TWI305737B - Precision-folded, high strength, fatigue-resistant structures, therefor and methods for their manufacturer - Google Patents

Description

1305737 (1) Description of the Invention [Technical Field of the Invention] The present invention relates generally to the design and precision folding of a material sheet and the manufacture thereof. More particularly, the processes of the present invention relating to the design, fabrication, and manufacture include, but are not limited to, the manner in which the sheets of material are prepared so as to be capable of being accurately folded and used in connection with the process to provide a high strength, fatigue resistant structure. Or the component is quickly folded from 2D to 3D. [Prior Art] - The problem often encountered with curved material sheets is that it is difficult to control the position of the elbow due to variations in bending tolerances and tolerance errors. For example, in the formation of an outer casing for electronic equipment, the metal sheet is bent along the first bending line within certain tolerances. However, the second elbow is typically positioned based on the first elbow and the tolerance error can be accumulated accordingly. Since there may be three or more elbows involved in the construction of the frame or attachment for the electronic component, the effect of the accumulated tolerance error in the bend may be significant. Moreover, the achievable tolerances will vary substantially depending on the bending equipment, its tool set, and the skill of the operator. One approach to this problem has been attempted to control the position of the elbow in the sheet of material by cutting into slits or grooves. Long slits and grooves can be formed very precisely in the stock sheet, such as by using a computer numerical control (CNC) device that controls a long slit or groove forming device such as ~laser, water spray, crush , blade or other tool. Referring to Figure 1, a sheet of material 21 is shown along a proposed bend line 2 5 -6- (2) 1305737 having a plurality of long slits or grooves aligned with the end-end 'delimited' relationship. Between the longitudinally adjacent long slits or pairs of grooves is a curved web, slat or strip 27 that is plastically deformed when the sheet is bent. The web 27 joins the sheets of material together into a single member. When a groove that does not penetrate the sheet of material 21 is used, the sheet of material is also bonded by the web of material behind each groove. The position of the groove or long slit 2 3 in the sheet of material 2 1 can be precisely controlled so that the groove or slit is positioned on the bending line 25 within a very close tolerance. According to this, when the material sheet 2 1 is bent after the process of cutting out the groove or the long slit, the elbow occurs at a position very close to the curved nickel 25 . Since the long slit can be accurately displayed on a flat piece of material, it is accumulated when compared to the process of forming a bend by a bending machine and making each subsequent elbow positioned by reference to the previous elbow. The errors in this bending process are far less. Despite this, even a material sheet bent based on a groove or a long slit has a problem. First, the stress in the curved web or strip 27 is rich and concentrated due to the plastic deformation of the web and the cutting of the long slit at both ends of the web 27. For trenches, the stresses on the material on or behind the back side of the trench are also rich and concentrated. As such, damage can occur behind the web 27 and/or the grooves 23. Furthermore, the groove or slit does not have to produce a curved web 27 directly along the bend line 25, and the process of cutting the groove is slow and inconsistent, especially when milling or spot cutting a V-shaped groove. . Therefore, there are commercial applications where trenches are not popular. As can be seen in the drawings A and B, if the material sheet 2 is cut as long as shown in (3) 1305737 23a or as shown in 23b, and then bent, curved web 2 7 a and 2 7 b will undergo plastic deformation and residual stress. For the long slit 23a, of course, the material will be completely removed or severed along the length of the long slit. For the V-shaped groove 2 3 b , there will be a thin web 29 between the groove 2 3 b and the outside of the protrusion of the head, but it will also be plastically deformed and have a very high stress. The elbow for cutting the V-shaped groove will normally be in the direction of closing the groove 2 3 b so that the two sides are polymerized with each other as shown in Fig. 1B. The load of the curved structure having a vertical force Fv & / or - horizontal force F η in Figures 1A and 1B will result in a weakened, long slit and/or groove and the plastically deformed strip or web 2 7 a, 2 7 b, and the elbow of the thin web 2 9 are placed under considerable stress. Structural damage can occur at lower levels of force than if a non-cutting slit or a non-cutting bend process is used. Another solution for sheet cutting to aid in bending has been used in this prior art. However, the cut-and-groove cutting technique used to create the elbow is primarily designed to produce visual or decorative effects for engraving applications. This visual result has been described as "embellished" and the elbow itself has been reinforced by a beam. This embroidered sculpture was exhibited at the Museum of Modern Art in New York at least until 998, and the cutting technique is described in published US Patent Application No. 2002/0184936, which was published on December 12, 2002. (The "Jitlin et al. application"). The engravings are also shown and described in the announcement of the 2000 World Contemporary Architects on page 15 20-35 | 标题 titled 'Office dA'. Figures 2, 2A and 2B of this illustration show the use of embroidered techniques An example. (4) 1305737 The office dA or Gitlin and others apply for self-blame Hongjin ^ one-mail post ~ the specific embodiment is not shown in Figure 2. The plurality of long slits 31 are formed in the material sheet 32 The long slits 3 1 are linearly offset from each other along a transverse line of the curved line 3 3 and laterally to each other. It can be seen that the long slit is a longitudinal weight TM to define which one will overlap. The ends of the long slits become curved slats, webs, strips or "embellished" '34. 2A and 2B show an enlarged side view of the end of the long slit in the sheet 32 of material, which has been bent 90 degrees along the bay sheet along the opposite sides of the sheet of material, and at 35 and 3 The 6 series is interconnected by the twisted strip or "embellished", 34, which is twisted or embroidered between the parts of the 9-inch material piece 3 5, 36. The New York modern art carving Architects of the Museum of Knowledge recognize that the elbow structure of the result is not very strong, and that they have partially broken into the hidden beam, which is welded into the sculpture at the inner vertex of each embroidered elbow.

Since the long slit 3] is parallel to the bending line 3 3, the strip 34 having a constant or uniform width dimension is twisted or plastically deformed throughout the length of the torsion so that it is at the end of a 90 degree elbow, The back side of one of the strips engages the other side 38 of the long slit 31 at position 37. This engagement lifts the sheet portion 35 upwardly away from the face 38 of the sheet portion 36, and the g-type opens the end of the long slit 4 and creates additional stress at the end of the slit. As a result of the twisting of the strips 34 and the lifting action at the end of the elbow, a gap G is created across the length of the long slit 31 between the sheet metal portion 35 and the surface 38. The twisted strip or embellishment 3 4 forces the sheet of material 3 5 away from the face 38 and stresses at both ends of the long slit 40 (only a long slit end 4 〇 is shown but the same stress will occur in Figure 2A) And another long slit end 40) of the long slit 31 shown in 2B (5) 1305737. At each of the long slits 3 1 along the length of the bending line 3 3 , a gap G is generated on the opposite sides of the line. Thus, at each long cut D, the strong ''white material sheet portion is spaced away from a long slit defining surface contact instead of being pulled into contact with the surface, and thus is fully supported by the surface. Again and more importantly, the long slit architecture of Figure 2 applies stress to each strip 34 to a very high degree. When increasing the length of the strip (the length of overlap between the ends of the long slit 31) in an attempt to reduce the stress from twisting along the length of the strip, try to elastically pull or clamp the sheet - the piece of material The power to resist one aspect is reduced. On the other hand, when the strip length 3 4 is reduced, the torsion acts on the constant width strip to form microscopic cracks, and the final stress is increased, and the twisted strips are applied. Excessive stress. This tends to compromise the strength of the elbow and leave an unloaded load elbow. - the vertical force applied to the sheet portion 35 (Fv in Figure 2B) will immediately load the twisted and stressed strip 3 4 and because there is a gap <3 ' the strip will be further under load The plastic deformation can be broken or torn before the sheet portion 35 is displaced to engage the surface 38 and rest on the surface 38. A horizontal force FH will likewise tend to overwhelm the longitudinally adjacent strips 3 4 (and cut in Figure 2B) before the gap G is closed and the sheet of material is supported by the opposing slit face 38. The strip 3 4). Another intrinsic problem in the long incision scheme of Figure 2-2B and the Gitlin et al. application is that the constant strip width cannot be varied independently of the distance between the long slits' and the strip width cannot be less At the thickness of the material, without -10 - (6) 1305737, extreme stress is applied to the strip. When the long slits 3 1 are parallel and longitudinally overlapped with each other, by definition, the strip width must be equal to the pitch or recess distance between the long slits. This limits the flexibility of the elbow design used to structurally load the strip. Again, the long slit terminates at every other long cut end, the end points being aligned and pointing to the other end. Therefore, there is no attempt to reduce the stress increase point and microcrack proliferation occurring at the end of the long slit, and the aligned long slit end can be broken under load. Thus, the sheet cutting architecture of Figures 2-2B can be readily employed for decorative elbows, but is not optimally suited for elbows that must provide effective structural support and fatigue resistance. The application of the Gitlin et al. also teaches the formation of a curved long slit (in Figures 10a, 10b), but the long slit is again parallel to a meandering bend so that the width of the curved strip is constant. The strip extends along the bending line and parallel to the bending line, without crossing, the strip is extremely twisted, and the long slit end point tends to direct microcracks and stress concentration to the next long slit 'and The application teaches the use of a long slit slit which causes the opposite sides of the long slit to engage at only the end of the elbow. Long cuts 'grooves, perforations' small pits and scribe lines have also been used as the basis for bending sheets of material in various patent systems. U.S. Patent No. 5,22,799, issued to U.S. Pat. The use of scribe lines and small dimples to fold metal sheets is used in U.S. Patent No. 4,6,8,1,161, issued to St. Louis. U.S. Patent No. 6, 〇37, issued to Brandon, uses grooves and perforations to bend the plastic. Sent to Yokoyama -11 - (7) 1305737

U.S. Patent No. 6 J 3 2,3 49 and PCT Publication WO 97/242 2 1 ' and U.S. Patent No. 3,75,419, issued to Grebe et al., issued to Fischer et al. The bending of corrugated cardboard using a cutting or punching method is shown in U.S. Patent No. 3,2,8,8,800. It has also been used to facilitate the bending of thick cardboard sheets by cutting the slits, as disclosed in U.S. Patent No. 5,6,92,6, 2, issued to the U.S. Patent No. 3,96, to Wood. 1 and '70' are issued in U.S. Patent No. 9 7 5,1 2 1 to Carter. A metal bending technique is disclosed in the published U.S. Patent Application Serial No. 2001/0010167 A1, which is directed to openings, grooving, etc., and uses large forces to produce controlled plastic flow and to reduce breakage and wrinkles. I However, in most of these prior art bending systems, the elbow forming technique substantially weakens the final structure' or fails to form a precision elbow, or bends by overwhelming the material on one side of the elbow. . Moreover, when the cut-off slits are used in these prior art systems, in addition to structural weakness and promotion of future structural failure points, the process of cutting the slits can result in a process of sealing a curved structure that is both expensive and difficult. Thus, these prior art methods are less suitable for fabricating structures that can contain a fluid or flowable material. The problem of precision bending and retention is even more important when bending metal sheets, and particularly metal sheets of considerable thickness. In many applications, it is highly desirable to be able to bend a sheet of metal with a small force by hand, such as a hand tool only, or a tool that only supplies power properly. Of course, the bending of this thick piece of metal leads to a big problem. In another aspect of the present invention, it is possible to overcome the disadvantages of prior art techniques for bending a sheet of material based on a slit of -12 - (8) 1305737 to eliminate the deficiencies of prior art metal fabrication techniques and the resulting structures. . It has been known that prior art techniques for producing rigid three-dimensional structures are processes for cutting and joining together components of sheets of material and non-material sheets. The use of jig assist and welding, clamping and adhesive bonding, or machining and the use of fasteners to join several discrete components has been widely used in the manufacture of rigid three-dimensional structures. For example, in the case of welding, there is a problem in the precision cutting and fixture assistance of the individual components; the labor and mechanical equipment required to process a large number of components, and the quality control and verification of most components. In addition, the welding has an inherent problem of deformation of the dimensional shape caused by the heat affected zone of the weld. Conventional metal welding systems having comparable material thicknesses are typically achieved by the use of components having beveled edges, which are typically caused by honing or a single point tool, which greatly increases the manufacturing time and cost. Furthermore, for joints whose load bearing geometry is completely dependent on welding, copper-zinc welding, or solder material, the fatigue damage of the metal affected by heat is unpredictable. Fatigue failure of the weld is usually compensated by adding a large number of welded components and the number and depth of the welds. Of course, the disadvantages associated with this extra design are excessive weight. With regard to adhering the sheets of bonding material and non-material sheets along the edges and sides of the discrete components, it is a problem to process and precisely position the components and hold or clamp them in place until the joining method is completed. Another prior art technique for the manufacture of three-dimensional structures is the rapid prototyping method. These include stereolithography and many other processes, and a computer-aided design system in-13-(9) 1305737 produces a design that represents the structure used to drive equipment in an increased or decreased material until Structure Completion The rapid prototyping techniques of the prior art are usually added or subtracted. The problem with deductive rapid prototyping is that they waste material, using a piece of material that can contain the entire part, and then require a very expensive high-speed machining center to precisely mill and cut by undesired material. component. There are various problems with the prior art rapid prototyping technology. In particular, most of these technologies are fully utilized in a very narrow range of materials. In addition, most of the need for a dedicated manufacturing apparatus for dispensing materials corresponding to the materials representing the parts. This additional rapid prototyping method is slow, and has a very limited proportion of the encapsulation of the part, and materials that are generally not structurally strong. Thus, generally in this prior art, a sheet that can be bent or a groove of a sheet of material has produced various bends that lack the precision and strength required for commercial structural applications. Thus, this prior art material sheet bending technique has been primarily classified into bending or decorative applications of small thickness metals, such as engraving. Therefore, in one of the arguments of the present invention, the important object of the present invention is to bend the sheet of material in a very precise manner, and further to produce an elbow capable of supporting a considerable load and resisting fatigue damage. Another object of this aspect of the present invention is to provide a method for accurately bending a sheet of material using a modified long slit technique which enhances the accuracy of the position of the buttock, the strength of the final structure, and the reduction of stress. Another object of the present invention is to provide a precision material sheet bending process and a -14 (10) 1305737 material sheet which has been cut with long slits or grooves for bending, and can be used for materials of various thicknesses. The bending of sheets and various types of non-compressible materials. Another object of the present invention is to provide a method for cutting a sheet of material for subsequent bending, which can be achieved by using only a hand tool or a power tool that facilitates bending, but does not attempt to control the position of the elbow. Another object of the present invention is to be able to bend a sheet of material into a three-dimensional structure of high strength with precise dimensional tolerances. Another object of the present invention is to bend a sheet of material into a precision three-dimensional structure that can be easily and inexpensively sealed. Thus, it is possible to contain fluid or flowable materials. In one of the arguments of the present invention, it is an object of the present invention to provide a new type of rapid prototyping and advanced rapid manufacturing technology using a wide-cut-based bending to enhance manufacturing and assembly techniques. A range of materials that contain a number of structurally strong visits, do not use special equipment found in any modern manufacturing equipment, and can be scaled up or down to the limits of the cutting process used. Another object of this aspect of the invention is to provide various features within the sheet of material to be bent' which aids in the precise additional alignment of the components before and after bending the sheet of material. It is a further object of the present invention to provide a method of manufacture having the function of a near net shape structural magic frame for a plurality of components that are arranged in a three dimensional space in a correct relationship, such as by the original The computer-aided design process is defined by the process. It is a further object of the present invention to provide a method of making a welded structure, -15 - (11) 1305737 which employs a relatively small number of separate components, and the edges of the structure are self-assisted by the clamp along the length of the bend, and The unbent edges provide features that aid in the assistance and clamping of the fixture in the preparation of the weld. In this regard, yet another object of the present invention is to provide an excellent method for welding a jig auxiliary material sheet, which strongly reduces the distortion and dimensional error caused by the welding process. Yet another object of the present invention is to provide a novel welded joint that provides a substantial load bearing characteristic that does not depend on the heat affected zone in all degrees of freedom, and thereby improves the load strength and cycle of the final three dimensional structure. Both of the 'fatigue strength'. Yet another object of the present invention is to provide a superior method for reducing the number of discrete components required to manufacture a strong, hard, and dimensionally precise three dimensional structure, and 2) essentially the desired three dimensional The various sides of the structure provide a method of positioning and clamping that can be achieved via the curved and unbent edges of the present invention to result in a lower cost, higher throughput manufacturing process. Φ A further object of the present invention is to provide a method for producing various molds for metals, polymers, ceramics and composites containing fluids, wherein the mold is formed from all sheets having long slits and bends, and can be solidified therein. The process is removed or left in place as a structural or surface component of the finished object. Still another object of the present invention is to provide a material sheet bending method which is designed to be used with an existing cut long slit device, and which allows the raw material sheet to be transported in a flat or coiled state and precision at a distal end position. Bending, and -16 - (12) 1305737 does not require the use of a bending machine' and in the interior of the attachment to enhance the combination or installation of components in or on the surface, the attachment is fixed to the blank It is then formed by bending the raw material sheet. Still another object of the present invention is to provide a precision folding technique that can be used to create accurate, precise, load-bearing folds in a sheet of material, including 'but not limited to metal, plastic' and composites. Another object of the present invention is to provide a precision folding technique that allows folding around a virtual bending line and requires very little force to accomplish the folding than conventional bending techniques. Another object of the present invention is to provide a precision folding technique that can be linearly scaled independently of the thickness or microstructure characteristics of the material. Another object of the invention is to form the geometry described herein. Shape, whether by any growth slit/removal process 'a cutting process, or by an additional process' and by any means to achieve the advantages described herein. Still another object of the present invention is to provide a precision folding technique which is used to fold a material that cannot be flattened, wherein the microstructure of the material remains substantially constant around the fold. The method and individual techniques for designing and precisely folding a sheet of material, the techniques of its manufacture, and the structure formed by the precise bending of the present invention have other advantageous features and objectives. This will be illustrated by the best mode for carrying out the invention. The description and the following description become apparent or more detailed. SUMMARY OF THE INVENTION -17 - (13) 1305737 In one of the arguments of the present invention, it is preferred to have a long slit but a curved strip defining the structure for the curved strip in the sheet of structural material, It causes the curved piece to have improved precision and substantially improved elbow strength at the elbow position. Briefly, in a preferred embodiment, the sheet of material is formed with a plurality of long slits that are positioned relative to a proposed bend line and the frame configuration allows the sheet of material to be precisely curved along the bend line. Preferably, the longitudinally adjacent long slits are equally spaced apart on opposite sides of the bend line at a recess distance less than one of the thickness dimensions of the sheet of material to define a curved bend that extends obliquely across the bend line. article. The slit has a slit size of less than about 0 to 3 times the thickness of the sheet of material, and preferably has an arcuate shape such that the raised side is closest to the bend line or the bend line so that the width of the strip The size is increased in both directions by the midpoint of the strip, or a constant width region. The long slit also preferably includes an end portion that resists crack growth to further reduce the likelihood of stress damage. Briefly, 'the method for precisely bending the sheet of material of the present invention comprises the step of forming a plurality of longitudinally extending long slits in a direction axially spaced apart from the sheet of material. The direction extends and follows a curved line. Connected to the bay curve 'to define a curved strip or web between adjacent end points of each pair of long slits. The long slit is further positioned at a recessed distance between the long slits on opposite sides of the long slit, the distance being equal to or less than the thickness of the sheet of material. The method can also include the step of bending the sheet of material along the bend line to create engagement of the raised precision edge of the material over the opposing sides of the long cut over the bend. -18 - (14) 1305737 In one embodiment, the step of cutting the long slits is achieved by longitudinally displacing along the bending line to form a long slit having a long slit end In part, the end portion is offset by the bending line to provide a pair of adjacent long slit portions on opposite sides of the bending line. The long slit defines a slanted curved strip extending across the bend line and has a minimum width in a range of 0.5 to 4.0 times the thickness dimension of the sheet of material and has a gradual increase in both directions away from the bend line The width. Preferably, the long slit is arcuately shaped and produces a continuous and progressive engagement of an edge with an opposing face such that the edge is resiliently clamped and secured against the root during a portion of the length of the long slit during bending. The surface is used to control the bending precision and enhance the strength of the bending piece. In another embodiment, the single long slit is provided with a curved strip that is configured to pull a piece of material on the distal side of the curved line toward the long cut 'to maintain the edge during bending - to - The engagement of the faces. A curved strip having an oblique guide of the central axis will produce this edge-to-face contact that intersects on one side of the bend line and faces the side of the long cut Q. The edge of the sheet of material may be combined with the end portion of the arcuate slit to define the slanted strip. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments embodiments The present invention will be described with respect to the preferred embodiments, which are to be understood as being limited to the particular embodiments. Rather, the invention is intended to cover alternatives, modifications, and equivalents, which are within the spirit and scope of the invention, as defined by the scope of the appended claims. Figure 3 now shows a portion of a sheet of material having a long slit or groove cut in accordance with the present invention. The arcuate long slits or grooves formed along the curved line 5 4 3 along the curved line 5 4 1 are formed to have a considerable radius (compared to the thickness of the sheet of material). The arcuate long slit 5 4 2 is preferably a longitudinal parental error or offset (up to an offset distance of 0 · D · which is along the curved line 5 4 3 and the parental substitution is on the opposite side of the curved line 5 4 3 Measured between the Luxin in the adjacent long incision). A long arcuate slit 5 4 2 defines a joint zone between the long slits, the joint zone being a curved strip 544; and a non-joining zone provided by the long slit 542 itself. Only the long slit 542 on the right hand side of Figure 3 shows the thickness of the slit or long slit, while the remaining long slits 542 are shown or taken in the form of a long slit formed by a blade or punching die and result in a zero slit. One of the widths of the long cut. In order to produce a precise bend of the sheet of material 541 along the bend line 543, the long slits 542 are spaced equidistantly spaced apart on opposite sides of the bend line 543. φ large: the ratio of the minimum transverse distance from the long slit to the long slit on the tii, or twice the distance from the long slit 5 4 2 to the curved line 5 4 3 is referred to as the "recessed portion"' J . The ratio of the recessed distance J will be less than about 1 relative to the thickness of the material in the apparatus and method of the present invention. That is, the recessed distance J is generally less than the thickness of a material. A more specific embodiment utilizes - Less than 〇. 5 material thickness of the recessed distance ratio. A more preferred embodiment utilizes a recessed distance ratio of about 〇. 3 material thickness, depending on the characteristics of the particular material used and the width of the strip, and The length of the long slit is determined. -20- (16) 1305737 The minimum width of the curved strip 5 4 4 will affect the force required to bend the sheet of material 'and the width can be further away by moving the long slit 5 42 The bending line 5 43 (increase J) or by longitudinal displacement of the position of the long slit (change OD), or both. The width of the generally 'sloping curved strip 544 is preferably selected to be larger than the material to be bent. Thickness, but can be used from about 〇·5 to about 4 times The minimum strip width of the material thickness range. Better than the minimum strip width is between 0.7 and 2.5 times the thickness of the material. In addition, the width dimension or slit of the long slit 542 should be selected to produce Lu Jing & Bending, in other words g tongue g / 'the long slit slit should be less than about 〇. 3 times the thickness of the material sheet, and better than 〇. 2 times the thickness of the material" If the slit The width and the recessed distance are too large, and the contact between the sheets of material on the opposite sides of the long slit 524 does not occur during the bending. This contact provides the actual bending fulcrum 'as explained below, so as to bend along The curvature of line 5 4 3 can be expected and precise. If the strip defines the structure without the groove of the sheet of material 'the groove will define a sloped, high-strength curved strip' but will not Edge-to-face contact and slip occurs unless the groove is deep enough to pass through and become a long slit during bending. If the slit width of the long slit is too wide, when the curved material is bent, The opposite direction of the long slit will not occur The intermeshing of the sides. As noted in the prior art method of cutting a long slit, this will result in direct further stressing of the curved strip during loading. The bending is defined between the longitudinally adjacent long slits 54 2 In the present embodiment, the curved strips are shown to be inclined with respect to the bending line 5 4 3 and not intersect in an alternating direction. Each long slit 542 has a center bow - 21 - (17) 1305737 The shaped portion 5 4 6 ' is offset from the bending line 5 4 3 by a center point 5 4 7 of the arcuate long slit. The end portion 5 4 6 may also advantageously be arcuate and have a much smaller radius of curvature This causes the long slit to extend back and forth along the curved portion 519 and finally terminate in the inwardly curved portion 515. As used herein, the term 'bow' will mean and include a circular arc and/or a series of longitudinally connected, tangential arcs having different radii. Thus, it will be seen that the curved strip 544 is tied to the curved line. Any of the sides of 54 3 is defined by the arcuate portion 5 4 6 and at the end of the strip by the arcuate end portion 5 48. A minimum strip width occurs at arrow 5 5 2 arcuate long slit portion 5 4 6 (shown in Figure 3 _ in the longitudinally adjacent long slit of the left hand pair). If the arrow 552 is drawn at the minimum width of the strip, the center line of the vertical guide is drawn. It should be seen that the centerline intersects the bending line at approximately the minimum strip width 5 52. The strip 544 is offset from the longitudinal strip axis 5 5 3 by the minimum strip width 5 5 2 in both directions. Thus, the curved line 5 4 3 — One of the material sheets 5 5 4 on the side is connected to the second material piece portion $ 5 6 on both sides of the opposite side by the strip $ 4 4 . The strip 544 is the smallest The increasing width of the width plane 552 in both directions causes the strip to pass over the bay curve to substantially reduce stress and increase fatigue resistance. Attached to the individual sheet portions 5 5 4 and 5 5 6. For further explanation, the strip 544a has been drawn with cross-parallel shading to demonstrate the progressive width of the strip along its central longitudinal strip axis. The borrower will continue to increase the strip width of the material piece portion 5 5 4 to the material sheet portion 5 5 6 which also increases the width of the strip tends to reduce the stress. At the oblique angle of the phase bending line 5 4 3 Positioning the central longitudinal axis (18) of the strip 5 5 * 1305737 5 5 3 causes the strip to be both twisted and bent, rather than merely twisted, which also reduces stress in the strip. The stress in the sheet is via The connecting material of the strip flows through the elbow. The main cause of fatigue failure is that the periodic stress in the tension flows through the twisting and bending strips and is substantially parallel to the large radius arcs 5 4 6 and 5 4 9 . The smaller radius arcs 5 5丨 and 5 4 8 provide a smooth transfer of the main stress-supporting free surface away from 5 4 6 and 549, but do not itself traverse m large stresses. In this way, the arcuate long slit is a similar part of a large circle that is much smaller than a circle or an arc, In view of the above, only the large radius arc (compared to the thickness of the material) is positioned in the stress field flow and the smaller radius arc is used as the joint so that the bending line enters to form the long slit. The distance between the planes of the bottom plane is minimized. Thus, it is highly probable that the long slit end of the stress caused by the microcrack will tend to not spread from one long slit to another length downstream of the bend. Preferably, and as preferred, the strip 5 44 C preferably has a minimum width dimension 5 5 2 = that provides the desired strip strength and then progressively disperses along the strip in any direction with any rapid divergence. Deviation, the divergent hair φ is generated when the strip terminates into the material sheet portions 5 5 4 and 5 5 6 . This structure avoids the problem of having an undesirably narrow strip waist at 552, because the waist will concentrate and destroy the bending and torsion forces, rather than making the force along the length of the strip. Ground distribution and access to the material piece 5 5 4 and 5 5 6 . The long incision 5 4 2 one of the tongue side faces 5 5 5 , that is, the bottom planar portion defined by the concave side of the arcuate long slit tends to be isolated by tension. This allows the tab to be ideally used to cut into the positioning features of the underlying plane. Attachments to -23- (19) 1305737 other joint geometry or alignment holes, or grooves are examples. Figure 4 illustrates the positioning of the water jet cutting or laser cutting 'fast boring perforations 506 and 565 on the tab 555 of the long slit 546. Rapid punctures are often irregular and can cause rupture fatigue in other locations. In Figure 4, the other two selected positions of the rapid puncture perforation are shown. Rapid piercing through holes is important to reduce the total cost of laser or water jet cutting because slow piercing is time consuming and costly. In contrast, the lip side surface 540 of the long slit 542, that is, the portion of the bottom plane that extends across the curved line 543 to the convex side of the long slit 542 is not isolated by tension. A good choice for the position of the quick puncture. _ Unlike the prior art technique for cutting long slits as illustrated in Figures 2, 2A and 2B, the long slit material sheet 541 of Figure 3 is used to produce edge-to-face of the sheet of material during bending on opposite sides of the slit 542. Cut the long incision in a way that engages each other. Such a 'long slit can be made with a blade or a mold, and essentially has a zero slit" or they can be produced by laser or water jet cutting, and have a large slit that still creates intermeshing, which is bent The thickness of the material piece depends on the thickness of the material. As mentioned above, the slit width is preferably no more than about 0.3 times the thickness of the material, and more preferably less than 2 times the thickness of the material 'and the recessed distance' is not more than about ??? 0 times the material The thickness is greater and preferably less than 0.5 times the thickness of the material, and preferably less than 2 times the thickness of the material. During bending, 'if appropriate, the slit width and the recess distance relative to the thickness of the material are selected'. As suggested above, one of the lip sides of the sheet of material slides or slides over the tab side S55 of the long slit W2. Long-24- (20) 1305737 One side of the incision. Thus, the lower edge of one of the lips 504 slides over one face of the tongue 555 at each of the long slits 542 during bending. Since the long slits are alternately positioned along the length or the curved line on opposite sides of the curved line 543, and since the long slit is laterally positioned at an equidistant distance from the curved line, the lip 540 The edge-to-face engagement of the tabs 5 5 5 creates an actual fulcrum during intermeshing during bending, which in turn produces a controlled bend at a substantial fulcrum that generally overlaps the bend line 543. As seen in more detail in Figure 20, the progressive sliding of a lower lip edge engages on a tongue face and will be further described in relation thereto. One of the most advantageous aspects of the present invention achieves the design and cutting of the material in such a manner as to form the strip and the edge-to-face engagement of the lip and the long-cut tongue, wherein The bending technique bends or folds to a substantial change in the microstructure of the material at the same angle or sharpness, and the microstructure of the material surrounding the elbow or fold is essentially unchanged. The strip-to-face engagement relationship of the strip and the long slit provides a combination of torsional and bending deformations when the material is bent, which substantially reduces the stress surrounding the bend and maintains the material around the bend The microstructure is essentially unchanged. When the prior art bending technique of the prior art is used, if the elbow is sharpened, the material has a substantial change in the microstructure surrounding the elbow. The geometry of the long slits 5 4 2 can be varied to accommodate a wide range of material properties. Thus, the geometry of the arcuate long slits 5 4 2 can also be changed when the pattern of the sheet of curved material is changed, or the thickness thereof is changed, or the strength characteristics of the elbow are modified. The length B of each long slit can be changed as it can be offset by the distance O.D., or along the longitudinal line of the curved line 5 43. -25- (21) 1305737 can also change the twist of the long slit, and can change the recess distance J ° between the long slits on the opposite sides of the curved line across the bending line. The geometry and orientation of strips 5 44 have an effect' which will also achieve the strength of the elbow and its suitability for various structures. The shape of the arcuate slit can also be varied without departing from the scope of the invention. Except for the precision produced by the edge-to-face contact on the tabs 5 5 5 on the opposite sides of the curved line 5 4 3 during bending, the edge maintained at the end of the bend The -to-face contact has a considerable strength. Thus, at the completion of a 90 degree elbow, the overlapping edges of the lip 540 on the face of the tongue 5 5 5 cause the lip 540 to support the curved web 5 4 on opposite sides of the bend line. Between 4. Not only will the web 544 be supported, but the load applied to the curved structure will also be supported by the edge of the lip 540 on each side of the tab 555. The edge-to-face engagement and support at the end of the elbow will generally extend along the entire length of one side of the long slit and by substantially the entire length of the other side of the long cut. It should be understood that if the piece of material 51 is bent or folded over 90 degrees, the edge of the lip 540 will lift away from the face of the tab 555 and the lower surface of the lip will pass through the lower edge of the tongue face. support. If the sheet of material is bent to less than 90 degrees, the lip edge will still engage the tab face almost immediately after the beginning of the bend, but only the lip edge engages the tab face. This support on one side of the long slit on the other side is considered to be "edge-to-face" engagement and support, as used in this specification and in the scope of the patent application. As will be described below, a non-ninety degree bend with complete support by the edges of the faces can be achieved by cutting the piece of material at various angles of -26-(22) 1305737. 9 〇 degrees, as shown in Figure 20 and more detailed description. Although the curved strip or web 544 has residual stress due to plastic deformation, and although the long slit causes a substantial portion of the elbow not directly in the long slit-based bending system of the present invention In combination, the long slits are formed and positioned to create an edge-to-face overlap that provides a better view of the curved structure than the conventionally cut slits or grooves of 1B and 2A and 2B. The structural strength of the geometry is considerable and strong. In fact, the curved strip of the present invention preloads the elbow to pull or clamp the length substantially throughout the entire bending process, and at the end of the elbow, substantially throughout the length of the entire long slit. The sides of the slit form an edge-to-face engagement. The preloading of the bend by the residual tension in the strip also tends to prevent vibration between the edges of the long cut which is preloaded against the face of the mat used on the other side of the long cut. Furthermore, since the edge portion is intermeshing with the face over a length of the length of the long slit, the forces Fv and FH (Fig. 2 Β φ ) on a curved piece 541 will not overwhelm or further plastically deform the curved strip. 544, as shown in Figure 2, 2 A, 2, prior art cutting long slit architecture. The load of the elbow is immediately supported by the edge-to-face engagement made by the long slit technique of the present invention, rather than only by the joint area of the cross section of a torsion and high stress strip> Figure 2, 2Α, 2Β The previous technical structure and the results of the Gitlin et al. application. It should also be noted that the continuous sliding between the materials on opposite sides of the long slit during the bending is intermeshing along the long slit from the intermediate 5 4 7 toward -27 - (23) 1305737 to the end point 5 4 8 . The face on one side of the long slit has the function of a cushion for sliding support during bending, which results in a more uniform one of the curved strips 454 and a less stress-filled bend. This sheet cutting technique can be used for less malleable sheets of material such as heat treated aluminum 606 1 or even some ceramic composites, plastics and sheets for thicker materials. As shown in FIG. 3, it is preferable that the curved strip 5 4 4 is formed with a central longitudinal strip shaft 5 5 3 which forms a small angle with the bending line 5 4 3 , preferably 2 degrees of 6 degrees or less. The smaller the angle is, the higher the torsional component of the resulting reed is' and the lower the bending component that occurs. Furthermore, the smaller the angle, the higher the bending radius. Hard materials that are not elegantly plastically deformed, such as hard polymers, hard metals, the more resilient ceramics, and some compositions, can tolerate a large radius of curvature in the elastically varying features. They also allow for a torsion or torsion spring that distributes over one of the long strips of material. The low angle strip provides two arguments. However, at the end of the bending of the sheet of plastically deformable material, the elastic φ deformation of the edge of the lip 540 against the surface of the tongue 555 will remain. This results in a residual elastic force that maintains the mutual engagement between the materials on opposite sides of the long slit. Thus, the elasticity of the sheet of material to be bent will tend to preload the edge of the overlapped sheet or hold the edge down against the support surface to ensure strength in the bend and load on the elbow. Reduce the increased stress of the curved strip. It can be seen in Figure 3 that the strip 54 4 is skewed in the opposite direction. However, the skewing of the end strip in the opposite direction does not require many of the advantages of the present invention. When the sheet of material 51 is an isotropic material, the skew of the strip longitudinally -28 - (24) 1305737 toward the central axis tends to offset the stress. If the material of the sheet of material is non-isotropic, the skew of the slanted strip in the same direction can be used to invalidate the embossing effect in the material indicating the order of selection. Another option is that for the isotropic material sheet, the skew in the same direction can produce a relative displacement along the bending line of the material sheet portion on the opposite sides of the bending line, and the displacement effect can be used for The three planes create a latching engagement, such as an interference fit or a lateral displacement produced by the borrower that creates a latch engagement with a tab and recess insertion. The geometry of the slanted strips is such that they bend and twist through a region that tends to reduce residual stress in the strip material at the end of the long slit or the strip is attached to the remainder of the sheet of material . Thus, the rupture hyperplasia is reduced and the need to enlarge the opening or curl at the end of the long slit is reduced. If the resultant structure is primarily intended for static loading or does not expect full load, no stress reduction termination operation is required in the arcuate long slits that produce the inclined strips. An important feature of the sheet cutting technique of the present invention is that the bending tool required for the curved material sheet 5 4 only needs to perform the bending and torsion forces of the bending strip 544 in this way; they do not need sufficient power to control the bending head. position. For electromechanical 'such as a bending machine, this bending machine needs sufficient force to clamp the material to be bent in order to control the position of the end point. However, in the present invention, the position of the elbow is controlled by the edge of an actual fulcrum, i.e., the lip 540, which pivots about the face of the tab 555 on opposite sides of the elongate slit. Therefore, the required bending tool only needs to be able to perform the bending of the strip 5 4 4 without the need to position the elbow. This is important in applications where high-strength power tools are not readily available, such as in outer space or on-site manufacturing of various structures or in assemblers without such high-power equipment. It also allows bending of equipment with low-strength materials,

For example, a corrugated cardboard bending machine, an air bag, a vacuum bending hydraulic pull cylinder having a folding bar, and a shape memory bending material to be used for bending a metal sheet, as will be described in more detail below. Also in the manufacture of various structures, 'strong, precise elbows are important, where physical proximity to dynamic bending equipment is not possible due to the geometry of the structure itself. This is especially true for the few elbows that have recently needed to close and latch the three-dimensional structure. Thus, it is also a feature of the invention that the strip can be modified to define a long slit or groove for the material to be bent or folded and the structure to be created. For example, it is possible to empirically test a piece of material that is given but has a different thickness and has a curved long cut design, wherein the geometry has been slightly changed, but the design

Contains a group of related curved geometries. The process can be repeated for different materials, and the empirical test data is stored in a database that can retrieve various designs based on the input of the sheet of material to be bent and its thickness. This process is particularly well suited for use with computer instruments in which the physical properties of the sheet of material are entered and the computer library of empirical data is a selection of the most appropriate curved geometry for bending the material. The software may also be interposed between the available materials when the material sheet is a material that does not contain any correct information or when the sheet has a thickness that does not store any correct data. The long slit or curved shape, and thus the design or structure of the connecting strip, may also vary along the length of a curved line to accommodate the thickness of the sheet of material along the bend or change along a curved line of curvature Variety. Another option is the -30- (26) 1305737 line strip architecture to accommodate non-linear loads. Although not as important as the strength and fatigue resistance of the present invention, the long slit or strip structure can be varied to provide different decorative effects in combination with improved strength and fatigue resistance. Another advantage of the proliferation of the sheet cutting system of the present invention is that the elbow or layer of the kiwi is quite sharp both internally and externally. A sharp elbow enables a curved structure to be strongly joined to another structure. As such, a bender bend tends to be rounded or have a significant radius at the bend. When a bending structure of a bending machine is engaged, for example, to a flat plate, and a force is applied to tend to rotate the curved structure around the arcuate elbow, the curved structure can be separated by the flat plate. This separation operation can occur more easily than if the elbow was sharp, such as that caused by the elbow using this long slit cutting scheme. The ability to produce sharp or curly bends or folds allows the process of the present invention to be applied to a variety of structures that have hitherto been formed only from paper or thin foil, i.e., many techniques applied to paper trim or origami structures. The complex three-dimensional origami structure and the science or mathematics used for its development have been developed after centuries of force. Although visually elegant, the paper-folding structure is generally not formed by a sheet of metal having a thickness greater than that of the foil. As such, paper-folded folded sheets typically do not support a large amount of load. A typical example of paper-foldings is the "Advanced Paper Folds" published by Debian Boursin in 2002 by the Buffalo Firefly Books in New York, and by Kunihiko Kasahara in 2002 by Sterling, New York, NY. The origami structure proposed in "The Ultimate Paper Folding". The present invention is thus capable of producing a new type of similar paper-folding design in which the cutting and bending methods described herein are used to replace the wrinkles of the paper-foldings. The sheet cutting or groove process of the present invention produces sharp bends and even allows the sheet metal to be folded up to 180 degrees or to be back to back. Thus, a metal sheet having a thickness far exceeding the thickness of the foil can be used to make a number of interesting paper plaque structures, and the resulting paper crease infrastructure will be able to support a large load. Another interesting design and manufacturing potential is achieved by using this long slit cutting architecture for rapid prototyping and rapid manufacturing, especially if the automated “pick and place” component combination is used. Rapid prototyping and rapid manufacturing are widely known and include the use of computer-aided design (CAD) and computer-aided manufacturing (CAM) designs to enable three-dimensional manufacturing. The designer first started with a virtual three-dimensional structure that he wanted. Using the present invention to enable rapid prototyping, the computer aided design software unfolds the three dimensional structure into a two dimensional sheet of material and then positions the long incision to bend the sheet of material to create the desired structure. The ability to use CAM to complete the same process in rapid manufacturing. Other types of software can be used to perform similar work. By selecting the recess distance and the width of the curved strip, the ability to precisely bend and modify the strength of the bend allows the designer to plan a long cut in the unrolled two-dimensional sheet of material in the design process, which can Subsequent processes are performed by cutting material sheets or long slits and bends to create a complex three-dimensional structure with or without additional components. Obviously, it is also familiar with the assembly of components on electronic circuit boards using high speed "pick and place" automated component processing techniques. As such, the assembly robot can pick up the components from the component supply, and then place them on a board or substrate or frame after -32 - (28) 1305737. The robot arm secures the component to the substrate using fasteners, solder inserts, and the like. This "pick and place" component has been largely limited by placing the component on a flat surface. Thus, after the "pick and place" assembly has been completed, the board must be placed in a three-dimensional housing. After the component is attached to the wall of the housing, an electronic housing typically cannot be folded or bent into a three-dimensional shape. Moreover, the prior art for bending lacks the precision necessary for the present invention to solve the problem of component or structural alignment. Therefore, pre-folding or bending the outer casing has limited the ability to use the pick and place robot to secure the electronic components in the outer casing. It should also be noted that the strips present between the long slits can advantageously be used as a conductive path across the elbow in electronic applications, and when forming the three-dimensional frame, or when the circuit board itself is folded into a more dense configuration. The possible precision allows the conductive paths or components on the board to be folded into alignment. However, the design and process of the present invention can be used to design, cut, and then form precision bends with relatively low strength. Thus, the order in which an electronic frame or casing is formed is shown in Figs. 5A - 5E. The component frame can be designed and cut from a flat sheet of material 8 2 1 and the robotic arm can be picked and placed at a high speed to quickly secure the component, C, to any or all of the six walls of a cube attachment. The housing or component frame can be easily bent into a three-dimensional shape after the pick and place process is completed. As shown in Figure 5A, the sheet of material 821 has a component C that is secured to the sheet of material prior to bending, preferably by high speed robotic arm technology. Material-33- (29) 1305737 Sheet 8 2 1 is formed with a plurality of long cuts of the structure of Figures 3 and 4, or a long cut with a less complex structure, such as the long cut of Figures 6-8, which will be below Detailed description. The long slits are produced by laser cutting, water jet cutting, die cutting, etc. while forming the designed slit member 8 2, the component receiving opening 823, the tab 824 and the support flange 826, and the tab receiving groove 827. square <> The material sheet 8 2 1 in Fig. 5B has been bent along the bending line 836 to have a long slit which produces a precise edge-to-face curve along the bending line, and causes a tab 824 to be displaced outward. Next, the sheet of material is bent along the curved line 8 3 2 in Figure % and then along the curved line in Figure 5d. 8 3 3 is bent over the component C, while the side flange 8 2 6 has been bent along the curved 鞸 8 3 4 . Finally, the frame end portion 8 3 6 is bent upward along the bending line 8 3 7 , and the tab 824 is inserted into the groove 8 27 ' so that the piece of material can be securely fastened around the component c into the three-dimensional electronic frame. 838. Obviously, in most cases, the 'complex component C will be bent to the material piece 8 2 1, and the component C can also be fixed to the frame 838 and fixed in the bending process in various steps. To the various surfaces of the frame. g Figure 5 A-5E also illustrates a basic design process that is performed by the material sheet bending method of the present invention. One of the most space-saving methods of supporting components is to mount them on the stock sheet. However, the use of conventional material sheet bending techniques does not allow the elbows and the intricate pieces of interlaced material to be partially taut. However, the bending process of the present invention can do this because the ability to design a very accurate long slit will produce an elbow at a precise location such that openings, slits, grooves, tabs, etc. will be in the curved structure, And the components that have been installed and precisely aligned to the joints of other structures. -34 - (30) 1305737 Furthermore, the precision planning of curved lines and frames or accessories is only one of the advantages. The structure itself can be used with relatively low strength and even bent by hand tools. The combination of the precise position of the bend line and the low-force bending allows for the design technique that has only been partially implemented to date. This technique involves selecting components that have the desired functionality and position them in a desired configuration space. Thereafter, a frame system is designed, for example, using computer aided design techniques to support the sheet portion of the frame that is designed to support the components. The bend line is positioned to create the portion of the support material sheet, and the frame is illustrated as a flat sheet of material having the necessary features and fold lines, as shown in Figure 5A. .  Although this technique has been previously described in CAD design literature, and CAE) and CAM software programs, 'they have not been effectively implemented with the simplest design so far, because the precision and low-force bending of the metal sheet is not practical. The present invention based on a cut-off slit enables the fabrication of the theoretical CAD or CAM design technique to be practical. Previous art CAD or CAM designs failed to physically achieve the same accuracy as the theoretical CAD or C A Μ model in real materials, such as failure to maintain the known bending tolerances. The bending precision that may be present in the present invention strongly increases the correspondence between the C A D or C A Μ model and the physical form that can be achieved for the sheet of curved material. Furthermore, the bending does not have to occur at the picking and placement or rapid prototyping position. The piece of material to which the component has been attached can be shipped with the formed and selected components to be used as a carry item for the shipping process. Once in an assembly position that may be remote from the design and cutting position, the frame or shell material sheet -35-(34) 1305737 positions the opening 580, or the opening 5 s 〇 can be positioned at the center position, and thereafter The latter holes are used together to join the two sheets of bent material together in a curvature that is not fixed or defined in the field. One application of k-inch in non-solid curved box beams is found in the aerospace industry. The 4〇4l T-6 or 6061 T-6, which is difficult to bend, is designed to have the desired long slit configuration and is then provided in a piece of material that has been cut as shown in Figure 6. The sheet of material is then formed in the field to provide a box beam having a curvature determined by the field, as determined by the curvature of one of the aircraft that must be modified. The two sheets of material forming the box beam are bent to fit under the damaged portion of one of the aircraft, and then the outer casing is thereafter attached to the central portion 572 of the curved box beam. The bending of the blade or finger 571 can be accomplished by a simple hand tool, or even by hand, and in the field by rivet fixing, which is used to hold the box shape by using pre-formed holes 58 as guiding holes. Curvature of the beam The hole is drilled into the blade or finger of the lower sheet of folded material. Thus, with a simple hand drill and a cutting pliers, a high-strength structural 4 04 1 T · 6 aluminum box shape _ beam can be custom formed and positioned as a structural component of an aircraft for subsequent The outer casing of the aircraft is fastened there. For example, this can be repaired on site even in combat situations so that the aircraft can fly to a location that can be repaired for durability. When the longitudinally curved box beam has a predetermined or conventional longitudinal curvature, the blade or finger 5 7 a And 5 7 1 b can be defined by a groove in which the fingers are interdigitated or engaged in the same plane. This will result in a smooth and unopened beam side wall. - 39 - (36) 1305737 A cylindrical member 6 3 1 as shown in FIG. The circular arcuate portion 618 of the sheet of material is sized to have a radius that engages the cylinder 631. The grooves 61 1 are closed upwardly and the edges defining the grooves abut each other, and the folds ό 14 - 61 17 allow the sheet of material to be folded into a square structure around the cylinders 63 1 . The resulting curved three-dimensional structure has a plurality of planar panels 636-639 that provide a surface against other easily attachable members or structures. The folded sheet of material 61 1 can be secured in place around the cylinder 63 1 by fasteners through openings 622 and 623. The groove or long slit 624 is constructed such that the folded sheet of material 61 is transformed into a high strength, hard structure surrounding the cylinder or strut 63 1 . The folding of the folded piece 611 against the vertical displacement to the strut 63 1 may be the result of interference between the arcuate edge 6 18 and the strut, and/or the use of fasteners, adhesives, welding, welding with copper-zinc alloy, and the like. 'And this assembly has many applications that address the problem of subsequent joining of structural members to a cylindrical structure. The examples of Figures 9 and 1 are not only a potential decorative package that is a structural transition element between a cylindrical and linear pattern. The long slit or grooved sheet of material designed and fabricated in accordance with the present invention and methods thereof can also be used to design and form corrugated panel or laminate assemblies. BRIEF DESCRIPTION OF THE DRAWINGS Figure 2 illustrates a two corrugated panel assembly that can be designed and fabricated using the apparatus and method of the present invention. This assembly is particularly effective in providing a high strength-to-weight ratio, and the material sheet folding technique of the present invention readily provides both the folding of the corrugated material sheet and the preparation of the attachment tab. In Figure 11, there is provided an attachment tab that can be extended through a long slit to join the sheet of corrugated material to the sheet of planar material, and in Figure 2, the result is -41 - (38) 1305737. High strength, fatigue resistant, and lightweight corrugated panel or laminate assembly for use in many applications. A corrugated panel assembly similar to that of Figure 11 can be made as shown in relation to the assembly of Figure 12. The folded corrugated material sheet 661 includes a plurality of fold lines and a plurality of tabs 66 3 . The tab 663 is formed from the sheet of material 66 in a manner similar to that described for the tab 649 and only the tab 663 includes a fastener receiving opening 664. In addition, the tabs 663 are folded down to a position close to the horizontal, rather than up to a position close to the vertical, as described with respect to the tab 649. In this horizontal position the tab 6 63 can be used to engage a second sheet of material 6 6 6 having a fastener receiving opening 669 therein. The sheet of material 6 6 6 is positioned such that the opening 66 7 is aligned with the opening 6 64 and a fastener is used to secure the two sheets together. As described in relation to Figure 11, the third sheet of material can be secured to the bottom of the sheet of corrugated material 66, although the figure does not show the securing tabs 664 on the bottom side of the sheet of corrugated material 661. As described above, by using the plurality of grooves or long slits 66 8 formed in accordance with the present invention, it is possible to re-form a corrugated laminate or panel assembly having a high strength, good fatigue resistance and light weight. Figures 3-1-7 illustrate another embodiment of a continuous corrugated panel or laminate that can be formed using the long slit material sheets and methods of the present invention. Further, the panel of Fig. 1 J·1 7 illustrates the strength advantage obtained by being able to make a sharp elbow or fold, which has a large load bearing capacity. Still further, the specific embodiment of Figures 13-1 illustrates the use of tabs to join the folded material sheets into a three-dimensional structure of high strength. Previous prior art techniques for forming corrugated panels or laminates have generally suffered from the inability to achieve a high degree or percentage of one of the panel materials for the entire panel material. In general, the purpose of the web fabrication is to separate the chord in order to achieve the minimum web quality necessary to accomplish the job. The I-beam is in a rolled or welded pattern' and uses a thicker top and bottom chord relative to the web between them. The present invention enables a type of corrugated structure that provides flexibility for a wide design to create a rigid, strong, low weight structure that can be made from a continuous coil that is transported in a lightweight coil form and that is easily formed in the field. The nature of the connection of this practicable embodiment avoids welding at all corners, which is particularly susceptible to damage. - The material sheet 721 has been cut with a long slit and using the present invention. It is shown in Fig. 13 in a flat state before being bent or folded. As will be seen, the plurality of substantially parallel curved lines 722 have a pattern of interlaced arcuate slits 723 that are positioned on opposite sides of the bend line to obliquely define the extended strips that are skewed in opposite directions. . The long incision 7 2 3 can take the best view of Figure 16. Also formed in the material sheet 723 is a plurality of tabs 724 extending outward from the tab portions of the long slits 723 and openings 725 of the plurality of keyholes. The opening 725 is positioned in an aligned relationship to the tab 724. It will be seen in Figure 16 that the tab 724 extends from the long slit 723 over the bend line 722. Thus, tab 724 is the extension of the side of the tab of long slit 723. The keyhole opening 7 2 5 is a slit or a negative tab in the side of the long slit 7 2 3 and is designed to receive the tab 724. In order to prevent the neck of the tab 724 from being obstructed by the upwardly facing surfaces on opposite sides of the long slit, a notch 730 is provided in the lip side of the long slit 723. Thus, the entire area of '7 2 5 and 730 is cut and dropped outside or -44 - (40) 1305737 is removed from the piece of material so that the tab 724 can be inserted into the groove 725/73. In Fig. 14, the flat sheet 721 of Fig. 13 has been folded into a continuous corrugated panel or laminate 726. The panel 7 26 includes a web portion 727 and a chord portion 72 8 . As will be seen in the panel 726, the chord 728 is in an end-to-end abutment relationship over the entire upper surface of the panel over the entire length of the panel to provide a continuous laminate or chord surface. This structure, for example, provides a panel 726 that provides substantial strength enhancement throughout the panel throughout the panel, wherein all of the webs are not joined by the chords on the top and bottom sides of the panel. The laminate or panel can be further strengthened by adding an additional material sheet (not shown) which will further improve the material of the string. The ratio of the mass to the entire laminate or panel quality is used for superior strength//hardness-to-weight ratio. Figure 15 illustrates the bending or folding scheme for the panel 7 26 in more detail. For example, starting with the end flange 7 2 9 , the web 7 2 7 a can be bent downwards and backwards at the bending line 7 2 2 a up to one of the lower sides of the panel. The sheet of material 72 is then bent forward on the bend line 7 22b and the chord 72 8 a extends in a longitudinal direction of the panel parallel to the flange 729. At the bending line 7 2 2 ^, the web 7 2 7 b is bent upwards and rearwardly to the bending line 7 22a, at which point the chord 7 2 8 b is bent forward and extends to the bending line 7 2 2b. The web 7 2 7 is then bent back to the bend line 722c at the bend line 722d. The bend continues along the length of the panel 726 such that a folded corrugated panel is created with a plurality of end-to-end chords on both the top and bottom of the panel separating the webs. For a high strength to counter-weight ratio, the quality of the slab material in the panel is quite high for the total quality of the panel. -45- (41) 1305737 The ability to fold a sheet of material 72i into a crimped layer using the cutting process of the present invention allows the p between the web 727 and the chord 72 8 to be relatively sharp and in a close, abutting relationship Positioning. For example, the panel of -17 has equal lengths of webs and chords, and establishes an equilateral ‘ each of which is approximately 1 20 degrees. As will be known, many other wrinkling geometries. While there are many ways to secure the folded panel 726 to a three dimensional configuration, a preferred method is to use the tab 724 of the web 721 and the snap keyhole opening 72 5 during the formation of the curved long slit. - for example, 'providing a protrusion by laser or water jet cutting of the tab to extend from the flange 729 outside the long slit tab into the web when the web 727a is bent downward and backward to the bending line 722b 7 2 4 a is held in the horizontal plane of the flange 7 29 . As best seen in Fig. 16, all of the plunging plate 728b and the snap opening associated with the tab 724a allow the tab 724a to be positioned in the opening 725. If each tab has an enlarged head or end point 314, the tab will be locked or caught by its port 7 2 5, although a wire saw component can catch or hang with an adjacent knot. This joining action resists the separation of the tabs by the snap openings of the top and bottom of the panel. The dimensions of the tabs and openings are not required and are not designed to create an interference fit. The attachment of the tab 724 and the opening 72 5 also occurs along the side of the panel 726, and as a result the panel is fastened in the form shown in Figure 14 without even additional fastening techniques, such as selective Adhesive, welding, welding with copper-zinc alloy. Sharp or ΐ 7 7 ] The triangle of the figure 1 may have a square cut into the material t 724a 727a ° , and the tabs 72 5 will use the 724 occlusal element in the plane and the best bottom folded - 46 - (42) 1305737 is formed in Fig. 17 by 'not showing the material curve of Figs. 13-16, but applied to a cylindrical member 74. 7 4 2 and the chord 7 4 3 are formed around the bending line, and this is selected such that the chord length on the inner diameter 7.4 is shorter than the chord on the cylindrical diameter 74 6 . The tabs and snap-in openings can be used to lock the chord and web in the structure, depending on the radius of the material. The final cylindrical structure can be, for example, a light or high strength cylinder or strut. In most embodiments of the invention, and particularly where the sheet has a substantial thickness, the beginning of the bend causes the lip of the long slit to begin to slide in the correct direction on both sides of the gravity cut. The face of the tongue. However, when the piece of material and the slit of the long slit are small or zero, the long slit material piece will occasionally move in the wrong direction, and thereby the fine is applied to remedy the problem 'which may make the length The tongue portion of the slit can be deflected in the direction in which it is expected to be properly bent. This solution is in 18 and 19. - Material sheet 6 8 1 The design and sheet of material of the present invention are used for opening and bending in one plane of the bending line 864. The bow 6 8 3 ' is formed to define a tab 6 8 4 that will slide along the opposing faces during the sheet of material about the bend line. In Figure 19, it can be seen that the sheet of material 68] is in fact bent in a meandering manner around the bend line 682, as indicated by the arrow 687, the sheet is displaced downward, the lower edge of the lip 689 or the corner 688 For cutting and bending, the position of the web curve is 7 4 1 and the desired frame and cylinder are made of a weight. Those materials will automatically resist the tight bending of the relatively thin section of the long section. The one produced in the figure shows the cutting technique. The long slit 6 8 2 bends one down. Because the tongue will be rolled up and (43) 1305737 engages the face 6 90 of the tongue in a manner that will slide along the face 690 to create the edge 688. The edge 68 8 on each side of the bend line 682 will be displaced upwardly to slide over the downwardly predetermined tab 684 such that the bend about the bend line 682 during the bending process is as expected along The face of the tab produces a sliding of the edge in the desired direction. When the sheet of material 861 is formed, for example, by using a stamping process for bending, and a long slit 638 is formed by a blade in the stamping process, the stamping die can also cause the tab 684 to be in a downward direction. The plastic line on the side of the curved line is deformed. During the bending, the edge 6.8 will be expected to slide along the face 690 in the appropriate direction so that the actual fulcrum on the opposite sides of the bend line will align along the curved line 862 The fulcrum produces a precise bend. The displaced tab will also prompt an operator to bend in the appropriate direction. While many of the applications of the present invention will be referred to as 9-turn elbows, some applications will be referred to as elbows at other angles. The apparatus and method of the present invention can cooperate with the elbow' while still maintaining the advantages of full edge-to-face contact. In Fig. 20, an elbow of about 75 degrees is illustrated. g As shown, a sheet of material 691 is formed with a long slit 692 that is cut at an angle a of about 75 degrees from one of the planes of the sheet of material 691. C is on the other side of the bend line 6 9 3 - the corresponding long slit is also cut at 75 degrees but is skewed in the opposite direction and is not shown for simplicity of the description). When bent down, the lower edge 694 of the lip 695 is folded over the face 696 of the tongue 697 and slides over the face 696. Once the bend reaches 1 〇 5 degrees, or the complementary angle of the long cut angle α, the lower surface 698 of the sheet of material immediately adjacent the edge 694 will be coplanar and evenly supported with the face 696 of the tongue -48 - (44) 1305737 Supported on the face 6 9 6 . Today's most commercial laser cutters with the power to cut both plastic and metal are used to produce sheet materials. However, rolling supply laser cutting equipment is commercially available, but today's equipment does not roll the cutting material back into a coil. Such a 'reel-type laser cutting equipment system' is not used or commercially available. In the context of the present invention, the advantage of a rolling feed cut combined with a coil mechanism is the ability to design, cut a large or complex, information-rich structure in CAD' and then these pre-built structures can Winding - lightweight form. Once in the coiled, lightweight form, they can be more conveniently transported on a platform truck or railcar or launched into the outer space. When in the position of use, the material is unfolded and bent or folded along the indicated bend line and structurally supported by a bowed long cut and a slanted strip cut into sheets of metal or plastic material. The material sheet cutting or trenching apparatus and method of the present invention can be incorporated into a tape winding process in at least three ways. A wide range of platform-type laser cutters are available throughout the industry. The first mode uses a web at one end of a platform-type laser cutter, a laser cutter in the middle, and a winding drum for re-forming a roll of partially cut material. The material is advanced through the system by hand and the pin or edge notch automatic counting component is cut into sheets of flattened material. The sheet of material is aligned in the χ and γ axes by physically engaging the cutting member with a clamp attached to the laser cutter platform. In this way, a segmented advancement involving alignment of the long slit assisted curved members of the present invention can occur. The novelty is combined with the automatic counting system and the unfolding and coiling of the -49-(45) 1305737 material - along with the application 1 of the cutting and bending generating member of the present invention, it is possible to precisely position the 'high-strength bending with low strength. Or a folded structure. The first method uses a well-known technique of power deployment, stopping, cutting, and power rewinding to advance a web through a laser cutter. The third mode is shown in Fig. 21. It employs a smooth, continuous web that is unfolded and re-wound. The sheet of material 7 is unwound from the supply coil 7〇2 and controls the action of the CNC cutter 7〇3 and/or the singular optical device to compensate for the rolling state of the material 701. The CNC cutter 703 can be a laser cutter or a water jet cutter, and shaped. The cutter is controlled and controlled to cut the desired long slit pattern into a sheet of material 7 〇丨. After the cutting, the material piece 701 is wound around the coil 704. Since the coiled stock sheet will typically have a coil shape in shape, a flattening step or a leveling device 7Q6 is used after the unwinding of the web 702. The raw material sheet 701 can be driven through the production line by means of a belt roller 7〇7 and a drive motor at the coils 7〇2 and 7〇4 and additionally at the roller 7 i 0 . _ First, the reason for not using the tape-type treatment is that the edge or contour of the slit member tends to be joined 'and the slit of the continuous layer is wound around the coil 7 〇 4 'especially when the low strength of the present invention' The long slit assisted curved member can be formed into a foldable tab or hem. The true effect of rewinding the material will tend to cause the cutting tab or hem to extend tangentially to the winding coil. A method can be used to deal with this problem. One method uses a thin, easily removable depending tab that is re-wound into a roll of metal and other hard material, the material having these low strength folding features of the present invention, and tends to be derived from the -50 - (46) 1305737 Then it is wound into a tangential extension of the coil. The second method is shown in Fig. 25, that is, a polymer web 7 0 8 is simultaneously wound on the coil 74. The web 708 should be rigid and not easily pierced, and the standard thickness is thin. Polypropylene and polyethylene are only two useful examples. One technique for increasing the throughput of a tape and reel processing system utilizes a laser cutter 730 having a plurality of laser beams for cutting the long slit assisted, low strength bending members of the present invention. A collapsible box beam such as that shown in Fig. 12 requires a plurality of curved auxiliary arcuate slits arranged in a direction parallel to the coil winding direction about a desired bending line. For example, a plurality of fiber lasers that are mechanically linked together can simultaneously produce all parallel bends. And the laser motion controller is a single mechanical system that is coupled to a single motion controller, while other lasers with independent motion actuation systems and motion controllers can generate all other cutting components, such as the slot The edge. The method and apparatus for the three tape and reel processing systems described above, in combination with the low bending strength and high strength bending members of the present invention, can be formed in a coiled shape when and where they are needed after being lightly stored or transported in the form of coils. The product of the category, which then unfolds and folds into an impressive structurally intact and decisive dimension, consists of beam, ladder, to building column and joist system. This technology has been used in space, military, commercial and residential structures, and many other industries where the cost and the effort to obtain a site location are very expensive and difficult when the parts are in an assembled state. The tape and reel production line of Fig. 2 can also optionally include a pair of hard-working die-cutting machines 79. Use the male and female stamping shapes to punch out the bow-length -51 - (47) 1305737 cuts and make the parts fall off. 'The die-cutting machine can also be used for flat and should use incremental material processing techniques, but preferably they are hard The rotary mold for machining 7 0 9 ° The advantage of the CNC cutting method for manufacturing the coil winding design folding structure is that the non-repetitive features are easily programmed into the cutting process. Regardless of whether it is intermittent or continuous, the advantage of the hard machining stamping or rotary die cutting method is that the repeating feature, particularly the arcuate long slit, can be efficiently produced. The use of CNC cutting combined with the hard machining stamping/die cutting to produce a coaxial system such that the two forming steps are between the development and rewinding of the process, the maximum benefit of maximum yield and flexibility can be reasonable. . In the combined system, such as that shown in Figure 21, each forming tool has its own advantages. Figure 2 illustrates a method that can be used to form a three-dimensional structure, particularly for use in locations where the structure is cut away from the structure and/or partially assembled prior to bending. A particularly interesting application is the creation of three-dimensional structures in outer space. This structure is currently assembled in outer space by three-dimensional modules; they are generally not actually manufactured in outer space. The problem of space assembly is that the module requires an undesired volume in the load of the rails too φ. So far, one of the problems in assembly in outer space is that the tools needed to form high-strength, three-dimensional structures are already very expensive and cumbersome. Another problem of assembling in space may be related to the high number of parts and the total number of high fasteners. On the one hand, the cumbersome and nearly completed modules have been launched and tied together. On the other hand, the intensive packaging of unassembled modules has resulted in a high total number of parts and a high total number of fasteners. One of the material sheets 70 1 of the coil 7 0 4 can be designed and set on a plurality of curved lines -52 - (48) 1305737 has a long slit or groove. As should be appreciated, the coil 7〇4 is a very compact structure for transporting material sheets. The sheet of material 7 will be formed with a long cut |~~-j, openings and tabs, and other desired structural features at a floor store with unlimited manufacturing equipment, for example, using a roll-to-roll line of Figure 2. Secondly, the coiled material sheet is transported to an outer space position by a spacecraft. The sheet of material 70 can then be unwound from the coil 74, and the sheet of material can be fabricated into a three-dimensional structure using a hand tool or a conventional power tool while it is being unfolded. This manufacturing is accomplished by bending the sheet of material along the bend line and by bending the tab into a snap, mark or automatic recording opening. The sheet of material is locked in a three-dimensional structure such as beam material 350. The beam can be sequentially joined to other structures to create a complex three-dimensional structure and residence. When using the sheet of material of the present invention to bend the long slit structure, each elbow produced in the form of a long slit will preferably comprise the edge-to-face support of the sheet of material which will cause the elbow to withstand considerable The load. - The method and apparatus for cutting long slits and grooves of the present invention ensure precise positioning of the opposing edges and openings of the sheet of material and the tabs to enable closure of the structure. If the structure to be formed requires waterproofing and long cuts, the elbow produced by the long cut may be filled or otherwise filled with an adhesive, such as by welding or by welding with a copper-zinc alloy. It is also possible to provide a wide variety of closed or tie-down designs that differ from the tabs and grooves, including welding and augmenting one of the edges and a side wall of the sheet along the adjacent edge of the sheet of material firmware. Figures 22A-22G show another form of box beam illustrating the flexibility of the apparatus and process of the present invention, i.e., a cross or self-supporting box beam. * 53 - (49) 1305737 The material sheet 801 is shown in Fig. 22A as cut along the bending lines s〇2 and 803. In addition, a plurality of transverse slits 8 〇 4 are provided which will be used to provide the beam cross struts portion 86. The material sheet 801 is bent in the order of Figs. 22b-22G into a cross struts box beam SO? (Fig. 22G). First, the side of the sheet of material having the cross struts portion 8 〇 6 can be bent to the position of Fig. 22B. Next, the sheet of material is bent along the bend line 8〇3 to create the cross stay 80 6 of Fig. 22C. The sheet of material is then bent about the bend line 802a to the position of Figure 22D. The sheet of material is bent around the bending lines 8 0 2 b and 80 2 c in FIGS. 2 2 E and 2 2 F, and the last side flange 8 05 is bent upward and the piece of material is wound around the bending line 8〇2d. Bending to produce the beam material 8 0 7 of Figure 2 2 G. Fasteners such as rivets or screws can be placed into the openings 80 8 and 8 09 (formed in the sheet of material 8 〇 1 in alignment recording) and can be used to secure the side flanges 85 5 to the box beams The rest of the structure produces a structure that will not bend or unfold. We will see that the beam material 80 7 is provided at its center or obtains an X-shaped cross-beam array extending along the beam to impart substantial strength to it. Thus, a very high strength to weight, internal tension box beam can be designed and formed from a single piece of material using the process of the present invention. As an optional step that can be added to many different structures formed using the apparatus and method of the present invention, a protective corner or shin guard 8 1 0 (Fig. 22G) can be attached over the curved corner 802 to perform a smoothing And / or decorative corner processing. Thus, the 'L-shaped shin guard 8 1 0 can be applied to the beam 807 as indicated by arrow 820 and secured to the appropriate -54 - (50) 1305737 position, for example by means of an adhesive or fastener. The shin guard 8 1 0 can be metal, plastic or even reflective to create a decorative effect, as well as provide impact protection, smooth the corner bends and/or seal or fit into the corner bends. The shin guard 810 can even surround the beam or other three-dimensional structure. The attached sill plate assists in the transfer of load across the elbow. In the cross-tensioned box beam 807 of Figures 22A-22G, the cross-stretch material sheet portion 806 is bent to an "X-shaped" configuration and then obtained or disposed within the folded beam. To provide an internal pillar. Another way of supporting a structure having adjacent walls in different flat φ faces is to use a slanted material sheet portion. Figure 23A-23E illustrates the use of a pendulum stay in another box beam. It also has a reduced weight cut pattern. In Fig. 23A, the material sheet 81 has been cut with a long slit by a plurality of bending lines 8 1 2 using the present invention. Material Sheet 8 1 1尙The opening or the weight-reducing opening 8 1 3 has been cut or stamped. In addition, in order to provide the struts of the folded wall of the beam, a plurality of pendulum material pieces 8 1 4 which are bendable around the bending line 815 have been provided. g In Fig. 23B, the outer pendulum portion 814 has folded or laid out the plane of the material piece 811 around the bending line 81 5, and in Fig. 23C, the outer side edge 816 of the material piece has been bent to the bending line 8 Vertical orientation. In Fig. 23D, the side wall portion 8 1 7 of the material sheet 8 1 1 has been bent around an elbow 8 1 2, and in Fig. 2 3 E, the other side wall portion 8 17 has been curved. Alternatively, the line 8 1 2 is bent to complete the box beam 8 1 8 . The final bending step, i.e., the structure of Figure 2D, is curved to the structure of the figure, causing the edge portions 816 to overlap and causing the outer pendulum portions 8] 4 - 55 - (51) 1305737 to overlap. The edge 8 16 and the outer pendulum portion 8 1 4 can be provided with fasteners 8 1 9 , when using the edge-to-face bending technique of the present invention, with high precision or accuracy, the opening is folded when the beam is folded The picture will become aligned or overlapped. Thus, a fastener such as a rivet or screw can be inserted into the opening 819 to secure the edge 816 together for deployment, and the outer swing portion 8 1 4 can be secured together to provide support between the mutually perpendicular walls and over The support of the pillar material becomes obvious, the number of the outer swing portion of the support can be increased by the number shown in the illustrative example, and the use of the outer swing portion to support different adjacent wall surfaces has been applied to many structures different from the box beam. . Turning now to Figures 24 and 25', the advantages of bending of the sheet of low strength material of the present invention can be illustrated. 84 1 ' is shown in Fig. 24, which has been formed with a long slit 8*42 along the curved line in the manner described above. The formation of the box 843 from the sheet of material 84 allows the technique to be easily accomplished. The sheet of material 8M can be placed in the opening of the mold 6 844. The four sides 80 of the box are simultaneously bent to the upright position. A driveable plunger 84 8 or a vacuum source is used to engage the vacuum source to apply a vacuum to the mold 8α. The sheet of material 841 is hardly clamped to the mold 846; only the sheet of material is positioned such that the bend line is in a snap-fit relationship with the opening 844 in the mold, such as by the corner of the opening 844 on the top surface of the mold (not Shown) completed. The indicator pin will engage the sheet of material 844 at the top of each of the sides of the material. Suspension of the opening Due to the possibility of 23E, it is not shown that the beam is supported against the beam. For example, in the implementation plane, a material sheet can be applied with a plurality of bows with a low force above, and with or without 841, with or without 841. The aptamer provides the indicator piece 841 (52) 1305737 depending on the material to be bent and its thickness, and the negative of the catheter at 9 is sufficient to pull the material piece 84 1 into the mold and thereby bend the side 84 upwardly. 'Or for thicker sheets of material and stronger materials, or use the plunger 8 4 8 for bending. The box 8 4 3 can be used, for example, as an electromagnetic shield for small circuit boards, such as found in hand-held mobile phones, and has been created by prior art techniques of progressive die stamping. The advantages of progressive die stamping are that it achieves sufficient precision' and it is suitable for low cost, high volume production. However, in the face of rapid changes in the towel market, the new shield design requires frequent replacement of the hard tool. This is particularly problematic at the end of the product's end of life. Here many changes have occurred before the final design was chosen. Another difficulty with relying on hard machining tools is that they must wait until the hard machining tool is available before they can rush to full load production. This can be as long as eight weeks, which is expensive in a market with rapid design changes and short product life. Yet another problem with this progressive die stamping is the need to handle the accessibility of the components below for diagnostics or repair. If a significant portion of a batch of wafers has drawbacks and may require repair, a two-piece electromagnetic shielding unit with a low profile anti-interference fence is used, soldered to the circuit, and a "shoe cover" is used for interference fit. Covered. The disadvantage is that the fence below takes some level of "real estate" away from the board, and the manufacture of the two components is always more expensive than a component. Another prior art approach to accessibility is to use a method of circular perforations in the containment cover that can be separated to allow one of the regions of the cover to be hinged up along one side. This method of perforated door members causes some electromagnetic leakage to be able to cut and reseal the cover. The box 8 4 3 of Fig. 2 shows a solution to the aforementioned problem using the technique of the present invention. Electromagnetic shielding made using the arcuate long slit assisted bending method can be quickly prototyped without the need for a CAD system for design and a C N C cutting process such as a laser cutter for hard machining. Folding to the desired shape can be easily accomplished using the hand tool or manufacturing equipment of Figure 24. The rush to full load production can be achieved immediately by laser cutting the initial throughput required to enter the mark. A lower cost stamping tool can be fabricated during the flashing phase to stamp the deflecting tabs tabs required for the disclosed geometry, which is initially supplied by a C N C cutting solution. In this way, the cost, the rush, and the production of the tenth can be reduced relative to the current example of waiting for a progressive cavity mold. Another advantage of the present invention is the built-in access door for maintaining the internal parts therein. By separating the strips bounded by the long slits 8 4 2 of the three sides of the shield 8 4 3 and the edges 850 of the rectangular box 8 4 3 of the low side corridor have been previously attached to the board 'the box 843' The panel 84〇 can be rotated 90 degrees by hinge to allow temporary maintenance access. When the repair is complete, the cover or panel 840 can be closed again and again soldered to the corner. Most metal alloys suitable for electromagnetic shielding will be used in this way for eight or more inlets and outlets before the hinged strip failure. A series of steps are shown in Fig. 25, wherein the material piece 861 having the long slit according to the present invention can be placed in a box using a pneumatic bag or a vacuum jig. The material sheet 86 is displayed in a flat form on the left side of the sequence of Fig. 25. -58- (54) 1305737 The material piece 8 6 1 is in fact a two identical piece of material which has been joined together at the outer edge of the side of the material piece 8 6 3 at a curved line 8 26 , such as when the box is formed It will become obvious. The sheet of material 861 can be transported to the left end of the sequence in the generally flat state shown, and then placed in the use position '3' into the three-dimensional box 865 shown to the right of the sequence. The in-situ forming of the box 865 can be easily accomplished by pneumatic or hydraulic means, since the bending of the sheet of material 861 only requires the minimum force required to bend the slanted curved strip. The spring-bending technique will employ a suction or vacuum clamp 8-64 that moves downward as indicated by arrow 866 to contact the planar center material sheet portion 867 of the sheet of material. A vacuum is applied to the suction clamp 8 6 4 and then moved apart to separate the clamp, as indicated by arrow 868, until the box 865 is fully inflated, as shown on the right hand side of Figure 25. Another way is to insert an expandable bladder 8 6 9 into the slightly expanded box ' as indicated by arrow 718. This insertion can be done before shipment or on site. The bladder 8 6 is then pneumatically or hydraulically expanded and the box is gradually expanded or bent until it is in the state shown on the right hand side of Figure 25. The box 865 can be secured to the structure shown on the right hand side of Figure 25, such as by welding, welding with a copper-zinc alloy, or by adhering the side panels 863 at the corners 728. Another advantage of the high precision bending or folding process of the present invention is that the geometry information can be embedded into the planar material while the low strength, high precision curved structure is being fabricated. This information can be transmitted at a very low cost, correctly and as expected, into an expected three-dimensional relationship. -59 - (55) 1305737 In the past, the conventions of symbols and geometries have been used to convey messages about structural assembly. One aspect of the present invention is that the bend or fold command can be applied simultaneously to a flat piece of material formed by bending a long slit or groove. Another option for folding instructions can be applied to the flat part via a second process such as printing, labeling, or labeling. Additionally, information can be embedded in a flat form that is intended to indicate an assembly process similar to a precision curved structure or a contiguous part from an unfolded prior art and future art manufacturing method. For example, a continuous pre-built wall structure can be formed from a single piece of material that is folded into a top and bottom support having upper and lower studs. All contemplated windows, doorways, and electrical boxes can be embedded into the flat part as physically geometrically shaped for subsequent folding and assembly into the building. A convention can be established that a circular aperture in the structure indicates an electrical conduit that will later be threaded through the aperture. A square hole with a rounded corner indicates the hot water copper tube that should pass through the wall. In this way, the feature is not only located in the flat portion' while it can be correctly translated into the correct three-dimensional relationship, and the most buckwheat & convention is communicated to traders 'they are not involved in the structure of the building Sexual establishment, where its activities intersect with the structure. Furthermore, the communication of this information is expected to be a victory for traders' activities so that they do not have to change and repair the structure as they thread through the lower structure of the building. Figures 26A-26E illustrate a specific embodiment of a column wall that can be folded using a sheet bending method of the present invention. lJ ^ η Figure 2 6Α- 26Ε' is not intended to indicate that the shape has been precisely positioned and designed to convey the opening of the animal, etc., but this information can be precisely positioned during the cutting process of the material sheet. It should also be noted that the sheet of folded material of Fig. 26 can be a column having a joint between -60-(56) 1305737 and the column between the joists, or a ladder having a cross member joined to the side rail. Turning to Fig. 26A, the sheet of material 90 i has been cut with a long cut along the plurality of curved lines to enable formation of a cylindrical wall or ladder structure. The long slit is formed and positioned as taught herein. In Figure 2 6 B, the last column or ladder cross-section 9 〇 3 side wall portion 902 has been 'left! The bending line 904 is folded upward by the flat material sheet 9〇1. The next step is to fold up an additional end wall or step portion 9 0 6 ' along bend line 907 as shown in Figure 2 6 C. In Fig. 2 6 D, the joist or ladder rail 90 8 is folded upwards along the bending line 9 0 9 , and the most. The joist/track strip 90 8 is then folded along the bend line 9 i ] in Figure 26E. This recent folding causes the opening 9 I 2 in the joist/track 908 to overlap the opening 913 (Fig. 26) in the side wall 902 of the inter-column/cross-belt 903 in an aligned or flush relationship. Fasteners such as rivets or screws can be used to secure the joists/rails 9 〇 8 to the inter-column/cross braces 903' and thereby secure the assembly in a three-dimensional form supported by a load. When used as a ladder, the rails 9 0 8 extend vertically, while the cross braces 9 0 3 are horizontal. When used as a column wall, the joists 9 水平 8 are horizontal ' and the inter-column 903 extends vertically. As will be appreciated, the cross/post and rail/joint will also be scaled appropriately for application. As noted above, most of the application of the cutting process and long slit material sheets of the present invention would require a plurality of long slits placed in an offset relationship along opposite sides of the desired bend line. This method will produce the most accurate or precise material sheet elbow 'because there will be two opposite and separate actual fulcrums, the -61 - (57) 1305737 actual fulcrum will accurately cause the position of the virtual fulcrum to fall on Between the actual fulcrums on the line. Although there is a slight bending precision loss, a technique can be employed which uses a single long slit and a curved strip, and its structural bending line produces a bending of the sheet of material beyond the edge-to-face engagement of the long slit portion. Figures 27 and 28 illustrate the single long curve. A sheet of material 941 is shown in Fig. 27 which has been cut with a wheeled drum casing substantially designated 942. As shown in Fig. 28, sheet 941 includes a long slit 943 for winding a line _ 946 944. As will be seen, there is no long cut on the curved line 946 facing the long slit. Nonetheless, the tab 944 includes a shoulder 947 of the second boundary 948 and is provided with a bow 949 of a long slit 943. It will also become apparent that the curved strip 948 is inclined relative to the curved line 964 in the opposite skew direction. When the tab 944 is bent into the page of Figure 27, the tilt 948 will flex and twist and simultaneously pull or pull the lip portion 925 on the side of the long slit to engage the tongue on the side of the long slit body. Thus, the slanted edge-to-face material sheet 94 1 has a partially opposite long slit or edge of another exemplary sheet of material having an arcuately curved long slit due to the inclined curved strip 94 8 , the proportional and the designed shape. To provide a curved strip that bends the roof to the surface. For example, for bending lines 95 6 9 4 3 a, by a partial long slit having a bow-shaped end point 9 5 8 , it is desired to bend the curved portion of the present invention along a material sheet incision to bend. Material curved ears 9 4 3 side curved narrow end portion of the mandrel 9 5 1 oblique strip 943 ear piece 95 3 is exactly scaled, its combination _ raw edge -, long slit 9 5 7 in one (58) 1305737 The end faces are opposite each other, which are combined with the arcuate end points 9 4 9 a to define a slanted curved strip 948a° at the opposite end of the long slit 943a, an arcuate edge portion 9 5 9 and an arcuate long cut □ End point 949 a is combined to define another opposing skewed strip 94 8 a. The resulting result of the strip 94 8 a is curved around the edge-to-face of the bend line 956. The long slit 943b is formed as a mirror image of the long slit 943a, and an arcuate edge and a local long slit are fitted to define an inclined curved strip 94 8 b. Similarly, the long slits 9 43 cooperate with an edge and a local long slit to define a curved curved strip 948c which is inclined to ensure edge-to-face bending. The last 'long slit 9 4 3 d cooperates with the long slit portion 690 to define a slanted guide curved strip 948d. The single long slit embodiment of the present apparatus and method as illustrated in Figure 27 is somewhat less precise in the desired bending line, but the loss of accuracy is small for many applications. In the frame illustrated in Fig. 28, a shaft 961 for the roller 962 passes through the openings 963, 964 and 965 (Fig. 27), and when the sheet of material 941 is bent into the three-dimensional outer casing 942 of Fig. 28, it must be aligned. Thus, the single long slit embodiment will result in an elbow that is still sufficiently precise to allow the openings 963, 964 and 965 to be aligned within a few thousandth of a turn to allow the shaft 96 to be inserted through the opening. The bending line termination or edge effect of the long slit cutting process and apparatus of the present invention is illustrated in FIG. A sheet of material 9 7 1 shows five curved lines 972-976. A long slit 981 is formed in the sheet of material along a curved line as described above. The design of the long slit configuration map should consider the material sheet -63 - (59) 1305737 971 982' because it can affect the positioning of the long slit. On the bending line 9 7 2, the long slits 9 8 are set to a length and spacing ' so that a partial long slit 9 8 1 a opens to the edge 9 8 2 of the sheet of material. This is an acceptable bend line termination strategy. On the bending line 9 73, the partial long slit 9 8 1 b opens again to the edge 982, but the partial long slit 9 8 1 b is sufficiently long 'to include the arcuate end point 987, resulting in a curved strip 984 The system is presented to face the curved strip 986. It can also be seen that the long slit 987 has a rectangular opening 988 that extends across the long slit. The opening 98 8 is _ in the central portion of the long slit 9 8 7 and thus will not significantly affect the curved strip 9 8 4 or 9 8 6 and will not affect the edge-to-face bending. On the curved line 197, the long slit 9 8 1 c has an arcuate end point 9 8 9 ' which defines a slanted curved strip 992 with the slanted edge portion 99 1 . A similar geometry is shown for the long slit 9 8 1 d and the edge portion 993. As noted above, the long slit of Figure 27 is also used with a sheet edge to partially define a curved strip. Finally, on the bend line 976, the arcuate edge portion 994 mates with the arcuate end 996 of the long slit g 98le to define the strip 997. Thus, the edge portion 994 requires a long slit configuration that reverses the long slit 9 8 1 e from the orientation of the long slit 981d and illustrates that the limited nature of the long slit needs to account for this edge effect when the long slit is configured. In most cases, the length of the long slit can be slightly adjusted to produce the desired bend line end or edge effect, which is further discussed in the present invention, as shown in Figure 3, which provides a useful To form a three-dimensional structure. The first step is to design a -64 - (60) 1305737 two-dimensional structure. This involves a substep 37〇a that originally imagined the design. To form a mourning, the design will usually be 'but not necessarily proceed to the step °7Qb or 3 70c' where CAD or computer-aided design takes place. The selection step of a sheet of material and its thickness can occur selectively before the CAD design step 370b or 370c or during the CAD design step or 370c. As can be seen in Figure 30, Cad design steps 307b and 307c can include sub-steps of various alternatives. Thus, a common method is sub-step 370b], in which the mourning design is built in 3-D CAD _ & then flattened. Another option is in step 3 70b2, which can be established by continuously bending the flange or portion of the sheet of material. We can also design and declare or position the bend line in 2 _ D, which is sub-step 370b3. The configuration of the appropriate or optimally designed long slit or groove can be made manually via the software at step 37〇b4 or at step 3 70b5. The design process of the present invention may also be based in sub-step 370c! based on a choice between a plurality of stored designs and/or parts, usually by computer or a CAD software program. Then if the correction is needed, the CAD system can | modify the selected part in sub-step 3 7 0 c 2 . To complete the new or desired design. Finally, in sub-step 3 7 0 c 3 ', the part is expanded into a flat state by the software. Once designed, the next step is a step 373 of cutting a long slit or groove, preferably by using a CNC controller to drive a blank cutting device. Thus, in sub-step 3 7 3 a, data representative of the flat part and the design long slit or groove is transferred by the CAD or CAM system to a C N C controller. The controller then controls the cutting and manufacturing equipment with -65 - (61) 1305737 • ^7 candied eJ and other forming steps. Therefore, in sub-step 3Mb, the flat part is formed using an additional (molding, casting, stereo effect lithography) or subtractive (cutting, cutting, splitting, punching, punching) fabrication techniques. The flat material sheet formed by freely 'can also be subjected to such as surface treatment, , 3. C, fixed parts of the components 3 7 3 d, test 3 7 3 e 4, and storage steps = usually in a flat or plate In the rolled state, the transport step 375 will typically occur before the bending or folding of the sheet of material in step 377. The long slit stock sheet is transported efficiently from the manufacturing location to a distal end in a flat or coiled state. Bending and assembly locations 〇 Bending or folding steps 3 77 Series precision and low strength. For most of the mouthpieces, 'curving along a complex bending line, and usually lasting until the two pieces of material are adjacent to each other, where they can The abutting portions of the sheet of material are joined together to produce a hard load bearing three-dimensional structure in step 379. Optionally, the structure can be secured in a three-dimensional, load-bearing structure by an enclosing step 'By joining the folded portions together. Encapsulation can be used for at least three strategies. In the present invention, the geometry of the long slit forming a fold angle does not inform the angle of the fold. (Although for a special angle of folding, such as the technique of using a long slit tilt angle as shown in Figure 20 to affect the maximum contact area of the edge-to-face engagement. The angle of each fold is substantially indicated by at least three joint planes. In some cases, 'there is no chance to join three orthogonal independent planes, so that another method of limiting the angle of rotation needs to be defined. One method is to fold the structure -66 - (62) 1305737 against a conventional angled The reference structure of the relationship 'and the angle is locked in place by means of an adhesive, a copper-zinc alloy weld, a weld, a soft joint, or a structural gusset attached to the inside or outside of the fold. Using an internal structure defining an angular form and bending the structure around the angle', that is, surrounding the internal structure. By reference numeral in the design and manufacturing process of Figure 30 376a, b refer to this second method. In the specific embodiment of the encapsulation, the inner part can be left in place (3 76b), or in some cases, it only contributes to the folding process and subsequent movement Except ( 376a) 〇 .  Other applications of encapsulation are enclosed in another structure. This is obtained by incorporating or enclosing a part or component. This is a guide for combining a folded material sheet structure of the present invention with a functional part that may or may not be formed by the present invention. For example, Figure 10 illustrates only one of the many 'catch-up' opportunities that are specifically characterized by the encapsulation of the invention. Thus, the cylindrical piece 6 3 1 is surrounded by a sheet of folded material 6 1 1 . Another type of encapsulation may occur when a connection portion between two or more modules of the invention is formed between the folded flat structures or between one or more components. The assembly includes the folded flat frame structure of the present invention. At least one structure. The three-dimensional positional accuracy of the components formed in the planar material of the present invention, combined with the enveloping nature of the closure or bonding process, enables a method of joining a plurality of components together at a very high success rate, There is no need for secondary cutting and assembly adjustments. This is in contrast to the ability of the present invention to align fastening components, such as holes, tabs and grooves. It is a method of joining together by surrounding. -67 - (63) 1305737 The process of the present invention may also include a repeating step of 380°. The ability to use the method to create inexpensive 3D parts provides the designer with the ability to reverse the design prior to determining a production design. The long-cut-based bending method and apparatus of the present invention can have high-precision bending tolerances. A CNC C machine can be used to control, for example, a laser, or a water jet cutter, a stamping or a punching mold. The original long slit is configured with extremely high precision, and the elbow made will be positioned with a tolerance of ± 〇 · 〇〇 5吋, and processed with micro-parts. This is better than using a bending machine and a highly skilled φ The operator can accomplish at least as good or better. An additional advantage of using a stamping mold is that the mold can be wedge-shaped, compressing the long slit either transversely or in the width direction of the slit. This will be in the long slit. Partially compressing the sheet of material for better fatigue resistance. When designing all slit widths to produce edge-to-face contact during bending, this transverse compression must also be considered. It may also follow laser or water jet cutting. Then, the long slit is compressed by a wedge-shaped stamping die to improve fatigue resistance. Further, when using the bending scheme of the present invention, these tolerance errors do not accumulate and a bending machine The case will accumulate. Alternatively, the long slit or groove can be cast or molded into a sheet of material or a cast three-dimensional member' and has a similar sheet-like extension or fold that needs to be folded. When forming materials in micro or very small dimensions, other forming methods commonly used in the field of microelectronics and MEM S, such as electron beam lithography and hungry methods, can be used to perform the extremely high accuracy geometry required by the present invention. Like manipulating a laser beam (or sheet of material) to make a curved groove or long slit. This electron beam can also be selectively controlled or designed into the desired structure -68- (64) 1305737 and used to cut trenches. Or long slits without the need to move the electron beam. This power requirement is currently the most practical for light thickness measurement tools for sheets of metal or plastic material. The manufacturing techniques in the method of the invention may also include, for example, correcting the long slit or groove, solvent Defects in etching, anodizing, and processing to prevent surface corrosion, and application of compliant coatings such as coatings, polymers, and various water-preventing compounds. In the above description, it will also be understood that another point of the method for precisely bending a sheet of material of the present invention comprises forming a plurality of numbers in a direction axially spaced along a direction extending along a curved φ line and immediately adjacent to a curved line. a step of longitudinally extending a long slit or groove so that the pair of longitudinally adjacent long slits. The curved narrow web is defined between the two. In one embodiment, each of the longitudinally extending long slits is formed by longitudinally extending long slit segments joined by at least one long slit section extending transversely. In a second embodiment, the long slit or groove is curved or has an end portion that is offset from the bend line to define a curved strip that is preferably inclined relative to the bend line and width increase. In two embodiments, the strip can produce a bend around the virtual fulcrum, ultimately engaging the edge-to-face of the sheet of material on opposite sides of the slit. The number and length of the curved strip webs and long slits or grooves can also vary widely within the scope of the invention. The width or cross-sectional area of the curved strip and the transverse divergence of the strip may also vary independently of the spacing between the long slits. An additional step of the method is to generally traverse the curved web of curved material along the bend line. The method of the present invention can be applied to various types of raw material sheets. In particular, it is more suitable for η and metal raw materials, g, such as Ming or steel, and can have a considerable thickness of -69 - (65) 1305737 and various twists (such as 2 吋 carbon steel, with T6 twist) 6061 aluminum, some ceramics and composites). However, with the method of the present invention, certain types of sheets of plastic or polymeric material and plastically deformable sheets of synthetic material are also suitable for bending. The nature of these materials is relative to a given temperature, and in the case of the present invention, fluctuations in temperature may require a particularly suitable material. The method and resulting long slit material sheet are more particularly suitable for precise bending away from the long slit cutter or groove cutter. Furthermore, the elbow can be precisely fabricated without using a bending machine. The sheet of material can also be bent with a bender and cut into long slits or grooves for later bending by the maker. This allows the stock sheet to be transported in a flat or nested configuration for bending away from the manufacturing location to complete the attachment. The bending machine elbow can be stronger than the unreinforced long incision elbow, so that one of the two elbows can be used to increase the strength of the final product, so that the bending machine elbow is positioned along the edge of the material piece. . The elbow having the long cut or groove can be only partially bent to open slightly outward so that the material piece can still be overlaid for transport. The curved product has overlapping edge-to-face engagement and support. This enhances the ability of the product to withstand loads from different directions without significantly increasing the stress on the curved strip. If further strength is desired, or for decoration, the sheet of curved material may be reinforced, such as by welding or otherwise attaching a slab or sheet of curved material along the bend line. It should be noted that one of the advantages of forming a long slit having essentially zero slits is that the curved web has less openings therethrough along the bend line. Thus, for decoration, it is less likely that welding or charging along the bend line is required. -70- (66) 1305737 It should be noted that although the straight elbow has been described so far, the bow elbow can also be achieved. A technique for producing a buckling bend line is shown in Figure 3, i.e., the exact same strip defining structure along a flexion bend line such that the virtual fulcrum falls on the desired curved centerline. The sheet of material 93 1 has been cut with identical long slits 932 which are positioned on opposite sides of the flexure bend line 93 3 and are folded into a corrugated panel. The long slit 93 2 is shown as having a central portion that linearly and deviates or flexes away from the end portion. However, the long slit 9 3 2 φ is designed as a curved line. When the radius of curvature of the bending line 9 3 3 is reduced, the length of the long slit 93 2 along the bending line 9 3 2 can be shortened to be closer to the curve. It should be noted that the corrugated material sheet 913 has a hat-shaped cross section generally found in corrugated panels that are rolled into shape. When used as a layer structure, this structure is not as desirable as the continuous panel of Figure 14 because the sheet material portion 93 4 contains only about half of the total panel quality, but in other applications. It has advantages and requires less material. The second technique uses a non-identical strip to define a long slit to design the shape of the curved strip, which produces a smooth buckling bend. The sheet of curved material will have a buckling surface on both sides of the bend line. If a stepped long slit is used, the longitudinally extending long slit segment can be shortened. The distribution and width of the curved strips may vary along a length of a given bend line for various reasons, including the exchange of local forces required for bending and the residual strength of the unreinforced bend. For example, an abutment member that may be formed at the same time as the curved strip of the present invention may be in close proximity to the bend line such that the nearest portion is optimally formed near the proximity member at a lesser frequency; ^ -71 - (67) 1305737 curved narrow The strip is formed with a thinner material' to maintain the planarity of the curved material. Finally, the curved structure of the present invention can be easily straightened. This allows the three dimensional structure to be disassembled or unassembled for transport to another location or for recycling to use the sheet of material. It has been found that the sheet of curved material is generally straight, or even subjected to a reverse bend, and thereafter the bay curve passes through 5 to ί or more cycles. This allows a structure to be bent or assembled at a location and then straightened, transported and re-bent at a second location. Easy straightening also allows the structure to be straightened and sent to a recycling center for repeated use of the sheet of material and the removed components. The words "upward" or "above", "downward" or "lower", "inside" and "outside" are used to refer to the present invention for convenience of description and precise definition in the scope of the appended claims. The above description of the specific embodiments of the present invention has been presented for purposes of illustration and description, and is not intended to be It is apparent that many modifications and variations are possible in the form of the above teachings. The specific embodiments are selected and described in order to best explain the principles of the invention and its application so that other skilled in the art can. The invention is intended to be limited to the specific embodiments of the invention, and the scope of the invention is defined by the scope of the appended claims. - (68) 1305737 Figure 1 is a fragmentary, top plan view of a sheet of material having long slits and grooves formed in accordance with a prior art technique. Figure 1 is a magnified piece of material when it is in a bent state, the sectional view of the piece is generally taken from the plane along the line in Figure 1 Ad A Figure 1 B is a material piece in Figure 1 Time-magnification, fragmentation profile 'which is generally taken from the plane along line 1 B · 1 B in Figure 1. Figure 2 is a fragment of a piece of material, a top plan view in which the prior art is used Another choice of the structure of the formation of the complex. A number of long cuts. Figure 2 A is a side view of the material sheet of Figure 2 bent to approximately one degree of 90 degrees. Figure 2B is a cross-sectional view taken generally from the plane along section line 2 B - 2 B in Figure 2A. Figure 3 is a fragmentary view of a fragment of a representative piece of material having a strip defining structure made in accordance with the present invention. Figure 4 is a fragmentary top plan view of the long slit of the architecture of Figure 3, which has been formed using a rapid piercing laser cutting technique. Figure 5A - 5 E top perspective view of a sheet of material made in accordance with the present invention The event is being bent into a framework for supporting components such as electrical components. Figure 6 is a fragmentary, top plan view of another alternative embodiment of a sheet of material prior to bending and forming a sheet of material similar to the second to form a curved box beam. Η 7 is a side view of a curved box-shaped beam made of two sheets of material -73 - (69) 1305737, and the mother material sheet is cut with a long slit as shown in FIG. Figure 8 is an end view of one of the beams of Figure 6. 0 9 is a top plan view of a sheet of material which is formed with the narrow strip structure and frame of the present invention for enclosing a cylindrical member. Figure 1 is a top perspective view of one of the sheets of Figure 8 bent along a bend line and mounted to enclose a cylindrical member. Figure 11 is a top perspective, exploded view of a corrugated assembly formed using a sheet of material formed in accordance with the present invention. Figure 1 is a top perspective, exploded view of a particular embodiment of a sheet of material formed in accordance with the present invention. Figure 3 is a top plan view of the sheet of cut material having a long slit, which is used to form a corrugated laminate prior to bending or folding. Figure 14 is a top perspective view of a sheet or sheet of corrugated material made using a sheet of long slit material of Figure 13. Figure 1 is a perspective view of a fragmentary fragment that is generally limited by the line of Figure 1-4, 5 _ 丨 5. Fig. 1 6 is a general borrower. Figure 1 3 section line 1 6 - 16 limited by the enlargement 'fragment, top plan. Figure 1 7 uses a similar diagram to 3 and! A brief, end view of a cylindrical member made of a corrugated sheet of material, which has been enlarged to define a cylindrical pattern. Figure 18 is an enlarged 'fragment, side view' of a long slit of a sheet of material in accordance with the present invention and has been displaced by a tab or tab to ensure predictable bending. -74 - (70) 1305737 Fig. 1 9 is a side view of the i 8 material piece during bending. Figure 20 is a longitudinal section of the material sheet having a beveled, point side view of the plane of the sheet of material and shown as a complementary angle during bending. Figure 2 is a side elevational view of a cut line of a web of tape material arranged in accordance with the present invention. Figures 22A-22G are top perspective views of a sheet of material made in accordance with the present invention which is bent into a cross-strut box beam. 23A-23E are top perspective views of a piece of material. It consists of a swaying struts' and in fact shows its swaying into a swaying box-shaped beam. Figure 24 is a top perspective view of an apparatus embodiment suitable for low force bending or folding of the long cut n w Φ, 丨θ gray knife mouth pieces of the present invention. Figure 2 is a top perspective view of another embodiment of a bending or folding process of Μ ρ 4 y. Figure 26 A 26E is a top perspective view of a sheet of material made in accordance with the present invention, which is bent into a wall-to-column/ladder. Figure 2 is a top plan view of a long slit of a sheet of material in accordance with the present invention and including a single long slit. Figure 28 is a top perspective view of the material sheet of the Figure 27, and the four pieces of the sheet are bent into a roller shell. Figure 29 is a fragment of the material sheet. #π _ „ _ .  The t η IX Xi η|3 plan view has a different curved line ending long slit structure. Fig. 30 is a flow chart of the interactive design, manufacturing and assembly process for the bending of the material of the different lengths of the j ^ ^ month slit of the present invention ~ SJ; -> ν±τ ϊη D® point flow chart. -75- (71) 1305737 Figure 31 is a top perspective view of a curved corrugated laminate or panel made in accordance with the present invention. Main component comparison table 2 1 : material sheet 2 3 : long slit 23a : long slit 23b : groove 25 : bending line * 2 7 : web.  2 7 a : web 27b : web 2 9 : web 3 1 : long slit 32 : material sheet 3 3 : bending line 3 4 : strip 3 5 : material sheet portion 3 6 : material sheet portion 3 7 : Position 3 8 : Face 40 : Open End Point G : Clearance . 1 : Recessed distance -76 - (72) (72) 1305737 3 5 0 : Beam material 5 4 0 : Lip side 541 : Material sheet 5 4 2 : Long slit 54 3 : Curved line 5 4 4 : Strip 5 4 4 a : strip 5 4 6 : arcuate part 547 : center point 5 4 8 : end point part 5 4 9 : curved part 5 5 1 : curved part 5 5 2 : arrow 5 5 3 : Center line 5 5 4 : Part 5 5 5 : Tab side 5 5 6 : Second part 5 6 0 : Piercing perforation 5 6 1 : Material sheet 5 62 : Bending line 5 6 2 a : Polyline 562b : Polyline 5 6 3 : Long slit 5 6 3 a : Polyline -77 - (73) (73)1305737 5 6 3 b : Polyline 5 6 4 : Long slit 5 6 5 : Piercing perforation 5 6 6 : Top 5 6 7 : Grooving 5 67a : Hailan trough 5 6 7b: Hai! J groove 5 6 8 : edge 5 6 9 : curved strip 5 7 1 : blade 571a : blade 571b : blade 5 7 2 : center portion 5 72a : U-shaped material sheet 5 72b : U-shaped material sheet 5 7 6 : Long slit 5 7 7 : Long slit 5 7 8 : Center portion 580 : Open □ 5 8 1 : Box beam 5 8 2 : Area 5 8 3 : Rivet 6 1 1 : Material sheet 6 1 2 : Polyline -78 - (74) (74)1305737 6 1 3 : Polyline 6 1 4 : Polyline 6 1 5 : Polyline 6 1 6 : Polyline 6 1 7 : Polyline 6 1 8 : Side edge 6 1 9 : Notch 62 1 : Tab 622 : Opening 623 : Opening □ 6 2 4 : Long slit 6 3 1 : Column 6 3 6 : Panel 6 3 7 : Panel 6 3 8 : Panel 6 3 9 : Table 6 4 1 : Material sheet 6 4 2 : Polyline 643 : Polyline 6 4 4 · Polyline 6 4 5 : Polyline 6 4 6 · Polyline 647 : Polyline 649 : Tab (75) (75) 1305737 6 5 1 : Long slit 6 5 2 : U-shaped slit 6 5 6: flat material sheet 6 5 7 : long slit 661 : corrugated material sheet 6 6 2 : fold line 6 6 3 : tab 664 : open □ 6 6 6 : material sheet 667 : opening 6 6 8 : long slit 6 8 1 : Box beam 6 8 2 : Bending line 6 8 3 : Long slit 6 8 4 : Tab 6 8 7 : Arrow 68 8 : Corner 6 8 9 : Lip 6 9 0 : Face 6 9 1 : Material sheet 6 9 2: long slit 6 9 3 : bending line 694 : lower edge 6 9 5 : lip - 80 - (76) (76) 1305737 6 9 6 : face 6 9 7 : tongue 69 8 : lower surface 7 0 ]: Material sheet 7 02 : supply coil 7 0 3 : cutter 704 : coil 706 : leveling device · 7 0 7 : belt roller - 7 〇 8: web - 7 0 9 : die-cutting machine 7 1 0 : Roller 7 2 1 : material sheet 7 2 2 : bending line 7 2 2 a : bending line 7 22b : bending line _ 7 2 2 c : bending line 7 22d : bending line 7 2 3 : long slit 724 : tab 724a : Tab 725: opening 7 2 6 : panel 7 2 7 : web section -81 - 1305737 : web: web chord part: chord: chord end flange grooved top head cylindrical Member web chord inner diameter outer diameter material sheet bending line: bending line: bending line: bending line: bending line bending line long slit side flange material piece (78) (78) 1305737 8 〇 7 : box beam 8 08 : Opening 809 : Opening 8 1 0 : Guard plate 8 1 1 : Material piece 8 1 2 : Bending line 8 1 3 : Opening 8 1 4 : Material piece part 8 1 5 : Bending line 8 1 6 : Outer edge 8 1 7 : Side wall portion 8 1 8 : Box beam 8 1 9 ·• Opening 8 2 0 : Arrow 8 2 1 : Material sheet 8 22 · Incision 823: opening 824: tab 8 2 6 : flange 8 2 7 : groove 8 3 1 : bending line 8 3 2 : bending line 8 3 3 : bending line (79) (79) 1305737 8 3 7 : Bending line 8 3 8 : Groove 8 4 0 : Panel 8 4 1 : Material sheet 8 4 2 : Long slit 8 4 3 : Box 844 : Opening 8 4 6 : Mold 847 : Side 8 4 8 : Plunger 849 : Catheter 8 5 0 : Edge 8 6 1 : Material sheet 8 62 : Bending line 8 6 3 : Side 8 64 : Fixture 865 : Box 8 6 6 : Arrow 867 : Material piece part 8 6 8 : Arrow 869 : Pouch 871 : arrow 872 : corner 9 0 ]: material piece - 84 _ (80) (80) 1305737 902 : side wall portion 9 0 3 : cross support 9 0 4 : bending line 9 0 6 : step portion 907 : bending line 9 0 8 : rail 909 : bending line 9 1 1 : bending line 9 1 2 : opening 9 1 3 : opening □ 9 1 4 : component 9 3 1 : material sheet 9 3 2 : long slit 9 3 3 : bending line 9 3 4 : material piece portion 9 4 1 : material piece 942 : outer casing 9 4 3 : long slit 9 4 3 a : long slit 943b : long slit 943 c : long slit 943 d : long slit 944 : lug 94 6 : bending line (81) 1305737 9 4 7 : shoulder 9 4 8 : strip 9 4 8 a : strip 948b : strip 948c : strip 9 4 8 d : strip 949 : Point portion 949a: arcuate end point 9 5 1 : central axis 9 5 2 : lip 953 : tongue 956 : bending line 9 5 7 : long slit 95 8 : arcuate end point 95 9 : edge portion 960 : long slit Part 961 • Axis 9 6 2 : Roller 963 : Open 964 : Open □ 965 · Open □ 9 7 1 : Material piece 9 7 2 : Bending line 9 7 3 : Bending line -86- (82) 1305737

9 7 4 : bending line 9 7 5 : bending line 9 7 6 : bending line 9 8 1 : long slit 9 8 1a · long slit 9 8 1b: long slit 9 8 1c · long slit 98 1 d : long slit 9 8 1 e : long slit 9 8 2 : edge 9 8 3 : arcuate end point 9 8 4 : strip 9 8 6 : strip 9 8 7 : long slit 9 8 8 : opening 9 8 9 : bow end 991 : edge Part 992: Strip 993: Edge Part 994: Edge Part 996: Bow End 9 9 7: Strip - 87 -

Claims (1)

1305737 Picking up, patent application scope Annex 4 A: No. 9 2 1 3 3 2 2 No. 7 Patent Application Chinese Patent Application Range Replacement of the Republic of China on August 14, 1997 Revision 1 ·- Kind for bending along a curved line a sheet of material comprising: a sheet of material having a plurality of long cuts formed through the sheet of material, at least two slits being positioned at a recessed distance between the long slits at a desired bend line On both sides of the opposite side, the recessed distance is less than about the thickness dimension of the sheet of material and each of the slits has a slit of less than about 0.3 times the thickness of the sheet of material. [2] The sheet of material of claim 1, wherein: the sheet of material is formed along the bending line in a longitudinal displacement position relative to each other with at least two slender long slits positioned immediately adjacent to the bending line, each length The slit has a long slit end portion such that one of the opposite sides of the curved line defines a curved strip adjacent the end portion of the long slit, the curved strip having a longitudinal strip extending across the curved line axis. 3. The sheet of material of claim 2, wherein: the longitudinal abutment end of the long slit defines a curved strip extending across the bend line; and the curved strip is formed to have a thickness equal to the thickness of the sheet of material最小. The minimum width dimension between 5 and about 4.0. 4. A piece of material as claimed in claim 2, wherein: 1305737 the end portion of the long slit is bowed and flexed away from the bend line. 5. A sheet of material as claimed in claim 2, wherein: the long slits are equidistantly positioned on opposite sides of the bend line, and the long slits are positioned in a longitudinally overlapping relationship to define the curved strip The longitudinal strip is oriented in an axial direction and extends at an oblique angle to one of the curved lines. 6. The sheet of material of claim 1, wherein: the edge-to-face engagement initially occurs at about a longitudinal center of the bend line and substantially along the length of the long cut during bending of the sheet of material extend. 7. A piece of material as claimed in claim 4, wherein: the long slit is symmetrical about its longitudinal center. 8. The sheet of material of claim 1, wherein: each of the long slits has an end portion, and the longitudinally adjacent long slit end portions define a curved strip extending across the bend line, the bend The strip is axisymmetric about a longitudinal strip. 9. A sheet of material as claimed in claim 1, wherein: each of the long slits has an end portion, and the longitudinally adjacent long slit end portions define a curved strip extending across the bend line, The curved strip is asymmetrical about a central strip axis. 10. The sheet of material of claim 1, wherein: the long slit has a different length along the bend line. π. The sheet of material of claim 1, wherein: the long slit is provided by a plurality of arcuate slits having arcuate ends that are staggered on opposite sides of the bend line and along the Bending - 2305737 line longitudinal displacement, the arcuate slit is raised in a direction toward the bend line and defines a curved strip having a narrow axis extending obliquely across the bend line. 12. The sheet of material of claim 1 wherein: the sheet of material is formed with a plurality of longitudinally overlapping long slits that are equidistantly positioned laterally from the transverse line to define the oblique guide. A narrow shaft. 1 3 . The material sheet of claim 12, wherein: the strip shaft is in the opposite oblique direction with respect to the bending, and the line is inclined. 1. The sheet of material of claim 1, wherein: each of the long slits has an end portion, and the longitudinally adjacent long slit end portions define a curved strip having an oblique extension a longitudinal strip axis that passes over the bend line; and the strip shaft is inclined in the same direction relative to the bend line to bend the sheet of material along the sheet of material on opposite sides of the bend line The bending line produces a relative displacement. 15. A sheet of material as claimed in claim 1 wherein: the sheet of material is provided by a sheet of material that will be elastically deformed only during bending, and the long slit has been designed to be 'small and small The angle of inclination determines the orientation of the curved strip and prevents the plastic sheet from opening more. 1 6 - The material sheet of claim 1 wherein: the long slit is designed to cause the edge-edge of the sheet to engage along one side of the long slit and along one side of the sheet of material Slide along the other side of the long slit during the bending period 1305737. 17- The sheet of material of claim 2, wherein: the slit is formed with a reduced stress structure at the end of the end portion of the long slit. 1 8 · A piece of material as claimed in claim 1 wherein: the piece of material is fixed in a coiled state. 1 9 _If you apply for material section 18 of the patent scope, where: The width of the curved strip is between about 2 and about 2.5 times the thickness of the sheet of material. For example, in the material sheet n of claim 1, wherein the ® Μ 位置 位置 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合 啮合a slit, the opposite sides of each of the bending lines of the plurality of bending lines: the sheet of material is bent along the plurality of bending lines to produce a three-dimensional knot 2 1 · a sheet of material as claimed in item 20 of the patent application The dimensional structure is a box-shaped beam. 2 2 _If the material of claim No. 20 is a piece of material, the S-dimensional structure is a cross-shaped box beam. 2 3 · Material sheet as claimed in item 20 of the patent scope The 3D structure is a frame for electrical components 2 4 · Material sheet as claimed in item 20 of the patent scope The 3-dimensional structure is a column wall surface. 2 5 · If you apply for the material of the 20th item of the patent scope, where: Where: Where: Where: Where: -4- 1305737 The three-dimensional structure is in the form of a paper-folding ornament. 2 6. A sheet of material as claimed in claim 20, wherein: the three-dimensional structure is a corrugated panel. 27. A sheet of material as claimed in claim 20, wherein: the three-dimensional structure is a corrugated cylinder. 2 8. A sheet of material for bending along a desired bending line, comprising: a sheet of material having formed therein a plurality of curved strip defining structures, the strip defining the structure for the sheet of material Defining at least one curved strip having a longitudinal strip axis that has been oriented and positioned to extend across the curve and the strip defining structure has been constructed and positioned to microscopically along the bend line A minimal change in the structure results in a bend of the sheet of material. 29 A sheet of material according to claim 28, wherein: the strip defines a structure with a long slit 'forming the long slit to extend through the sheet of material. 3. A sheet of material as claimed in claim 29, wherein: the long slit has a slit size and a recessed distance, and causes an edge of the sheet of material on opposite sides of the long slit during bending of the sheet of material To the face engagement. 3 1. A sheet of material as claimed in claim 28, wherein: the strip defines a structure groove that forms a depth of the groove such that it extends through the sheet of material. 32. For example, the material sheet of claim 31 of the patent scope, wherein 1305737 the groove is a slender bow groove. 33. A sheet of material as claimed in claim 3, wherein: the arcuate groove has a convex side facing the curved line. 34. A sheet of material as claimed in claim 31, wherein: the groove is formed in the same side of the sheet of material. 3 5 - A sheet of material as claimed in claim 28, wherein: the strip defining structure defines a strip having a width dimension that is along a longitudinal strip axis from a midpoint of the length of the strip Increase in both directions. 3 6 - A sheet of material formed by precise bending along a bending line, comprising: a plastically and elastically deformable sheet of solid material in which the ends of the curved material are along and immediately adjacent to each other The opposite end position is a plurality of lengthwise slits; and each of the long slits has a long slit end portion deviated from the bending line, and is defined obliquely extending across the bending line by a pair of longitudinally adjacent end portions Bend the strip. 37. The sheet of material of claim 36, wherein: the long slit is positioned on the staggered side of the curved line, and the end portion of the long cut is bowed and flexed away from the curved line to be obliquely defined Guided strip 'The strip is skewed relative to the bend line in the staggered direction. 38. The sheet of material of claim 36, wherein: the long slit is arcuate and has a convex side facing the curved line. 39. A sheet of material as claimed in claim 36, wherein: -6 - 1305737 the curved strip is oriented for both twisting and bending during bending of the sheet of material. 40. A sheet of material as claimed in claim 36, wherein: one of the curved strips has a width dimension that is greater than a thickness dimension of the sheet of material. 4 1 . The sheet of material of claim 36, wherein: the curved strip has a thickness dimension that increases as the curved strip extends away from the bend line. 4 2. A sheet of material as claimed in claim 36, wherein: the plurality of long slits define a plurality of curved strips that extend obliquely across the bend line in opposite directions with respect to the angle of inclination of the bend line. 43 ‘A piece of material as claimed in item 42 of the patent, wherein: the piece of material is an elemental piece of material. 44. A sheet of material as claimed in claim 42 wherein: the plurality of curved strips are skewed in the same direction to extend across the curved curve. 45. If you apply for the material of the 42nd item of the patent garden, the material piece is a non-isogonal material. 46. The sheet of material of claim 36, wherein: the long slits are positioned substantially equidistantly on opposite sides of the bend line to create a bend of the curved strip about a virtual fulcrum and generally The upper surface overlaps the bending line ±, and the distance between the long slits across the bending line is not more than about the thickness of the sheet of material. 47. The material sheet of claim 36, wherein: -7- 1305737 the long slit is formed to cooperate with the curved strip to face the long slit on the opposite sides when the bending of the sheet of material is completed The piece of material is displaced until it is no longer engaged. 48. A sheet of material as claimed in claim 36, wherein: the sheet of material is an anodized metal sheet. 49. The sheet of material of claim 36, wherein: the female long slit has an arcuate end portion at opposite ends of the long slit and the arcuate end portion is formed to flex in a direction away from the The bending line g 〇5 0. The material sheet of claim 49, wherein: the arcuate end portion extends to terminate an end point of at least the plastic deformation-shaped region of the curved strip. 5 1. A piece of material as claimed in item 36 of the patent application, wherein: the sheet of material defining the long slit has been compressed outward. 52. The material sheet of claim 36, wherein: the long slit is arcuate, and the φ tongue on the convex side of at least one long slit is laterally displaced from the material before bending the sheet of material. The plane of the sheet so as to be biased toward the direction of bending of the sheet of material. 53. A sheet of material as claimed in claim 36, wherein: a wear surface, a small depression, a profile, an opening, a flange, a tab and a groove are formed in the sheet of material. 54. A sheet of material as claimed in claim 36, wherein: the long slit is formed to pass over the sheet of material relative to the sheet of material (4). -8- 1305737 5 5 A sheet of material as claimed in claim 36, wherein: the sheet of material is a sheet of cast material in which the long slit is cast. 5 6 · A sheet of material as claimed in claim 36, wherein: the sheet of material defining the long slit has at least one of the following: corrected defects, electrolytic polishing, solvent etching, anodizing, treatment to reduce corrosion, and electroplating. 57. A sheet of material as claimed in claim 36, wherein: an elastomer layer is adhered to the sheet of material over the bend line. 5. A sheet of material as claimed in item 57 of the patent application, wherein. the elastomer Layer decoration. 5 9 · A piece of material as claimed in item 57 of the patent, wherein the elastomer layer is reflective. 6〇. A sheet of material as claimed in claim 36, wherein the sheet of material is a material having a thermally actuated shape memory. 6 1. A sheet of material as claimed in claim 36, wherein the sheet of material carries an adhesive strip thereon. 62. The sheet of material of claim 36, wherein a strip of protective material is secured to the material 6 3 above the bend line. The sheet of material of claim 62, wherein the sheet of material The protective strip is attached to one side of the sheet of material to be bent away from the side. 64. A sheet of material as claimed in claim 63, wherein: the protective strip is secured to one side of the sheet of material to be curved toward the side. The sheet of material is -9- 1305737 65. The sheet of material of claim 36, wherein: the sheet of material is formed to bend along a plurality of curved lines, each __ _ line having a complex length along itself a slit, the long slit is formed to produce an edge of the sheet of material on opposite sides of the long slit during the bending-to-surface spray $ 〇 66. The material sheet of claim 65, wherein: the plurality of curved lines The system has been positioned and oriented to form a hollow closed structure when the sheet of material is bent. 6 7. A sheet of material as claimed in claim 66, wherein: the plurality of curved lines are positioned and oriented to form a hollow curved beam when the sheet of material is bent. 68. The sheet of material of claim 65, wherein: the plurality of curved lines are positioned and oriented to form a corrugated structure when the sheet of material is bent. 69 'A sheet of material as claimed in claim 68, wherein: the edge of the sheet of material is formed to engage a flexing surface. 70. The sheet of material of claim 69, wherein: the edge of the sheet of material is formed to engage with a cylindrical surface, and the hollow closed structure is a plurality of flats between the plurality of curved lines of the sheet of material A polygonal structure formed by the surface. 7 1 · A sheet of material as claimed in claim 65, wherein: the sheet of material is formed with a plurality of attachment tabs along the plurality of curved lines. 7 2. The sheet of material of claim 71, wherein: the attachment tab includes a fastener receiving opening therein. -10- 13〇5737 73. If the attachment groove, 〇 74 · if the plurality of webs are bent into a two-body 'to provide the 15. - the first line of wire bending, the first material of the long slit And bending the second wire to bend, the second material is long cut a and bending the first hollow beam. 76. The sheet of material of the seventh aspect of the invention, wherein the tab is formed to extend through the second sheet of material to secure the first sheet of material. The sheet of material of claim 65 of the first known material sheet, wherein the bending lines are substantially parallel to each other and equidistantly spaced apart to have a zigzag cross section, and the upper planar material sheet is fixed to the material material One of the corrugated components. A hollow beam comprising: a web formed to form a plurality of long slits penetrating along a plurality of curved first material sheets along a plurality of first sheets of material, each of the bending lines of the sheet bending line positioning the length Cutting, and designing the wood structure to produce a bend along the bending line of the first material sheet, a sheet of material; a web formed to bend along the plurality of second material sheets to form a plurality of penetrations Long cut Q, which is positioned next to each bend line of the sheet curve and is designed to bend along the bend line of the second sheet of material, the two sheets of material; and the sheet of material and the sheet of material of the second sheet The hollow beam is fixed to form a hollow beam of claim 75, wherein: a long slit in the /th material sheet and a length of 1305737 in the second material sheet are formed to form during bending The edge-to-face engagement of the material on opposite sides of the long slit is engaged. 77. The hollow beam of claim 76, wherein: the long slit in the first sheet of material and the long slit in the second sheet of material are arcuate. 78* The hollow beam of claim 75, wherein: the first piece of material and the second piece of material are designed and secured together to form a hardened hollow beam. 79. The hollow beam of claim 75, wherein: the first sheet of material is formed with a long slit, the long slit being positioned to be along opposite sides of a line of curvature of the first substantially parallel sheet of material Extending; the first sheet of material is formed with a long slit that is positioned to extend along opposite sides of a pair of substantially parallel second sheet metal bending lines. 80. The hollow beam of claim 79, wherein: the first sheet of material comprises a plurality of grooves extending inwardly from opposite edges of the first sheet of material to a position immediately adjacent to a line of bending of the pair of first sheets of material. And the second sheet of material comprises a plurality of grooves extending inwardly from opposite edges of the second sheet of material to a position immediately following the line of bending of the pair of second sheets of material. 81. The hollow beam of claim 80, wherein: each of the first material sheet and the second material sheet are bent to have a U-shaped cross-section and are fixed together to form a Hollow box beam on all sides. 8 2. The hollow beam of claim 81, wherein the first piece of material and the second piece of material are bent to longitudinally flex along the bending line 1305737, the beam. 83. If the first one is fixed together to form a buckling four-sided hollow box shape, and the first together. The hollow beam of claim 82, wherein: the material piece and the groove in the second material piece are a layered cake-shaped material piece and the second material piece is fixed by a plurality of fasteners - a type of cross support a sheet of material having a plurality of penetrating slits formed therein, and the long cut is designed to be positioned on the inner side of the beam, when bent to a three-dimensional one of the box-shaped beams alternately 8 - - 84. The method comprises: forming a long slit along a plurality of bends, adjacent to the structure of each port, such that at least one of the cross braces is in the form of a corrugated laminate between the diametrically opposed corners of the cross struts And comprising a line bend, the material bending line positioning the long piece of material to be bent into - the part of the piece of material of the piece of material is extended by a piece of material formed with a slit, and is provided with a continuous plate and along the web Part, the piece part. a continuous sheet having a complex number penetrating the surface of the long cut sheet and a portion of the sheet material portion to be bent along a plurality of curved lines, the material being cut by a length α, Positioning the long opening next to each bending line to make the curved top and bottom side masks of the material sheet into a corrugated pattern to bend into a corrugated layer with a number of adjacent chord plates connecting the web material 8 6 · a frame for supporting a component, comprising: a sheet of material 'formed to bend along a plurality of curved lines, the material-13- 1305737 sheet formed with a plurality of long slits penetrating, followed by each bending The long slit is positioned and the structure of the long slit is designed to create a frame; at least one component 'fixed to the sheet of material; and the sheet of material is bent along the bend line to at least partially surround the sheet of material. 8 7 _ a method for cutting a piece of cutting material along a bending line, comprising the steps of: presenting in a second space on a piece of material comprising at least one bending line - designing a two-dimensional product; The sheet of material forms a plurality of long slits positioned relative to the bend line to define an obliquely extending at least one strip extending across the bend line, and the frame is configured to bend along the bend line and when bending the sheet of material The opposite sides of the long slit cause the edge-to-face engagement of the material. 8. The method of claim 8, wherein: during the forming step, when the arcuate slits alternately lie on opposite sides of the bending line, the convex side of the arcuate slit is closest to When the line is bent, the long slit is formed. 89. The method of claim 87, wherein: during the forming step, each of the long slits is formed with a long slit end portion offset from the bending line such that on opposite sides of the curved line One of the longitudinally adjacent long slit end portions defines a curved strip extending across the curved line, and during the forming step, a long slit having a width of all slits is formed, and the transverse recess distance between the long slits is The intermeshing of the sheets of material on opposite sides of the long slit occurs during bending. -14 - 1305737 90. The method of claim 89, wherein: the forming step is performed by forming a long slit having a long slit end portion, and the long slit end portion defines an oblique extension A curved strip that passes over the bend line. 9 1. The method of applying for the patent scope, item 89, wherein: The step of varying the cross-sectional area of the curved strip is accomplished by varying at least one of the distance between the long slits and the length of the long slits along the curved line. 92. The method of claim 8, wherein the method comprises the steps of: selecting a sheet of resilient and plastically deformable solid material for cutting prior to the forming step. 93. The method of claim 87, wherein: the forming step is performed by forming each long slit in a position to vertically overlap along the bending line; Each of the long slits is formed such that it has an arcuate end portion at each end of the long slit to define an obliquely extending curved strip between the end portions of the longitudinally adjacent long slits. 94. The method of claim 93, wherein: the forming step is performed by forming a laterally offset long slit on opposite sides of the curved line and causing the central material sheet portion to be substantially Parallel to the bending line. 9. The method of claim 9, wherein: the forming step is performed by forming a long slit having all slits, -15 - 1305737 and on one side of the long slit during bending and Each of the faces on the other side of the long slit produces an edge slip to position the edge to the face of the sheet of material in a supporting relationship on opposite sides of the long slit during bending. The method of clause 905, comprising the steps of: after the forming step, bending the sheet of material about a virtual fulcrum aligned with the bend line to produce plastic and elastic deformation of the curved strip. 97. The method of claim 87, wherein the forming step is performed by forming a plurality of substantially the entire length of the bending line on opposite sides of the bending line as defined in claim 87 The long slit is completed. 9. The method of claim 8, wherein the method comprises the step of: bonding the sheet of material about the bending line after the forming step. 99. A method for bending along a bending line to form a sheet of material, comprising the steps of: forming a plurality of curved strip defining structures in the sheet of material, the structure being positioned relative to the bending line for the sheet of material Defining at least one curved strip having a longitudinal strip axis, determining an orientation of the strip shaft, extending obliquely across the bend line, designing the strip defining structure and positioning to have an edge of the material - to - The face engages to create a bend of the sheet of material along the bend line. 100. The method of claim 99, wherein: -16 - 1305737 the forming step is accomplished by forming the strip defining structure as the long slit extends through the sheet of material. 1 0 1 • The method of claim 10, wherein: the forming step is performed by forming a long slit having a slit width dimension, and the recessing distance causes the long slit during bending of the sheet of material Edge-to-face engagement of the sheets of material on opposite sides. The method of claim 9, wherein: the forming step is performed by forming a strip defining a structure such as a groove, the groove being formed to a depth that does not extend through the sheet of material . 1 0 3. The method of claim 1, wherein the forming step is performed by the borrower forming the groove, such as a slender groove. The method of claim 1, wherein the forming step is performed by forming the arcuate groove to have a convex side facing the curved line. The method of claim 1, wherein the forming step is performed by forming the groove in the same side of the sheet of material. 106. The method of claim 99, wherein: the forming step is performed by forming a strip defining a long slit such as a bow, and forming one of the arcuate long cuts in the plane of the sheet of material after bending The tongue is defined on the concave side. 1 0 7 . A method for cutting a piece of cutting material for bending along a bending line, comprising the following steps '· -17- 1305737 selecting a piece of solid material for cutting; and forming a plurality of long slits along a desired bending line Having a long slit along the bend line staggered on the staggered side of the bend line, and during the forming step, forming each long slit such that a central portion is substantially parallel to the bend line and The bending line is laterally offset, and the end portion of the arcuate long slit at each end of the long slit is flexed away from the bending line such that the arcuate long slit of the abutting pair defines a curve that extends obliquely across the bending line The strips ' have an increased strip width dimension on both sides of a minimum width dimension. - 108. The method of claim 107, wherein: the forming step is performed using a laser cutting device to cut a long slit having a width dimension of the slit, and the opposite direction of the long slit during bending The material sheets are intermeshing on both sides. 1 〇9. The method of claim 1, wherein the forming step is performed using a water jet cutting device to cut a long slit having a slit width dimension, and the long slit can be used during bending. The material sheets are intermeshing on opposite sides. 1 1 〇. The method of claim 1, wherein the method comprises the steps of: bending the sheet of material along the bending line after the forming step. 1 1 1 _ The method of claim n, wherein: the forming step is performed by forming a long slit having a slit width dimension, and the cross recess distance between the long slits produces one of the long slits The edge of the sheet of material on the side is intermeshing with the surface of the sheet of material on the other side of the sheet of material -18 - 1305737; and the bending step is accomplished by bending the sheet of material about a virtual fulcrum, the virtual fulcrum being substantially The alignment is aligned with the bending line such that sliding engagement of the edges and faces of the sheet of material produces plastic and elastic deformation of the curved strip. The method of claim 1, wherein: the forming step is performed by forming the long slit along a plurality of intersecting bending lines; and the bending step is performed by bending the sheet of material The three-dimensional structure is completed. The structure has three phase-receiving regions extending to form an abutting relationship: and the following steps are performed to fix the three intersecting planar regions together to form a stable structure. 1 1 3 The method of claim 5, wherein the method comprises the steps of: filling the long slit with a material after the bending step and creating a sealing joint at the bending line. 1 1 4 If the method of claim 3 is applied, the filling step is accomplished by one of the following: (a) welding; (b) welding with copper-zinc alloy; (c) soldering; (d) entanglement of the mixture; and (e) the adhesive is filled. -19- 1305737 1 1 5 · The method of claim 11, wherein the method comprises the following steps: After the bending step, the sheet of material is straightened. 1 1 6. The method of claim 1, wherein the forming step is performed by providing a curved strip having a height of about 45 degrees and about 135 degrees relative to the curved line. The angle is directed to the longitudinal strip axis at opposite ends of a long slit. 1 1 7 · The method of claim 1, wherein: φ the forming step is performed by selecting a width dimension for the curved strip to produce a desired shape for bending the sheet of material To be acquainted. 1 1 8 · The method of claim 1, wherein: - the forming step is performed by selecting a minimum width for the curved strip. The size is greater than the thickness of the sheet of material to be bent. . The method of claim 107, wherein: the forming step is performed by selecting a minimum width dimension for the curved strip that is smaller than the thickness of the sheet of material to be bent. Φ 120. The method of claim 107, wherein: the forming step is performed by selecting a minimum width dimension for the curved strip, the size being about 〇. 5 to about 4 times the desire The thickness of the sheet of curved material is in the range. The method of claim 120, wherein: the selection step is performed by selecting a minimum width of the curved strip. The width is 〇. 7 to 2. 5 times the thickness of the material to be bent. between. 1 2 2 . The method of claim 1 of the patent scope wherein: -20- 1305737 The step of selecting the sheet of material and forming the plurality of long slits is completed to produce elastic deformation of the sheet of material only during bending. 123. The method of claim 1, wherein: the forming step is performed by sliding the edge-to-face engagement of the sheet of material on opposite sides of the long slit, when When the curved strip is twisted and bent, the sliding engagement progresses from the longitudinal center of one of the long slits to the end of the long slit. 124. The method of claim 107, wherein: during the forming step, selecting a minimum width of the curved strip, a distance of each long slit from the bending line, and a width of each long slit, to The composition produces a desired elbow strength and the thickness of the sheet of material and the force experienced by the elbow during use. 125. The method of claim 107, wherein: during the forming step, each of the long slits is less than the thickness of the sheet of material. 126. The method of claim 107, wherein: during the step of forming the long slit, the long slit is formed to have a geometry that tends to reduce residue in the sheet of material at the end of the long slit. stress. 1 2 7 . The method of claim 1 , wherein: the forming step is performed by forming the long slit along the plurality of bending lines to arrange the bending line to produce a cross brace when bending Forming the beam; and bending the sheet of material into a cross-strut box beam during the bending step. -21 - 1305737 1 2 8 . The method of claim 1 wherein the forming step is performed by forming the long slit along a plurality of bending lines to arrange the bending line for bending Forming a continuous corrugated laminate; and bending the sheet of material into a continuous corrugated laminate during the bending step. 1 2 9 The method of claim 1 , wherein: the forming step is performed by forming the long slit along a plurality of bending lines, and the bending line is arranged to generate a component support frame when bending And €> During the bending step, the sheet of material is bent into a component support frame. The method of claim 1 , wherein: the forming step is performed by forming the long slit along a plurality of bending lines, and the bending line is arranged to be generated when bending. The wall surface; and during the bending step, the material sheet is bent into a cylindrical wall surface. The method of claim 1 , wherein: the forming step is performed by forming the long slit along the plurality of bending lines, and the bending line is arranged to generate a ladder when bending; And during the bending step, the sheet of material is bent into a ladder. 1 3 2 - A method of forming a three-dimensional structure, comprising the steps of: forming a plurality of structures in a sheet of material that contribute to bending, the complex number contributing to the bending of the structure defining an oblique extension over the bending line at least ~ a strip' and a frame formation and positioning relative to the plurality of bend lines to create a bend of the sheet of material along the bend line; -22- 1305737 bending the sheet of material along the first bend line; along at least one additional bend line The sheet of material is bent until the two portions of the sheet of material are contiguous; and the two adjacent portions of the sheet of material are joined together to create a rigid load-supporting three-dimensional structure capable of supporting a three-dimensional load. 1 3 3. The method of claim 1, wherein: during the forming step, forming a long slit, which contributes to the curved structure, the long slit has a slit and produces an edge during the bending step _ to - face contact. 1 3 4 . A method for designing a three-dimensional structure, comprising the step of f columns: designing a plurality of structures placed in a material sheet to facilitate bending in a CAD system, and designing the complex number to contribute to the structure of the curved structure Positioning relative to the plurality of bend lines to allow the sheet of material to bend along the bend line; and forming the structure that facilitates bending in the sheet of material in exactly the same manner as designing the structure on the CAD system When the sheet of material is bent along at least two bend lines, the two portions of the sheet of material will abut and the abutment portions can be joined together to create a rigid load-supporting three-dimensional frame structure capable of supporting a three-dimensional load. 1 3 5 · A method of designing a product comprising the following steps: carefully designing the product in one dimension, wherein the product is made of a folded solid material sheet; and designing a long slit structure and Positioning at least two long slits to be formed in the sheet of solid material such that each long slit is in a laterally offset position on opposite sides of a desired bending line, and along the other long slit -23- 1305737 a longitudinal displacement of a bending line defining at least one strip extending obliquely across the bending line, and the tie frame is formed on opposite sides of the long slit during bending of the sheet of solid material The solid edges of the sheet of solid material are intermeshing. 1 3 6 - A method of manufacturing a product comprising the steps of: carefully designing the product in two dimensions on a sheet of material; designing at least two structures of slender long slits formed in the sheet of material Each slit is laterally offset laterally on opposite sides of a desired bend line and longitudinally displaced along the bend line relative to the other long slit, the equal slit defining at least an oblique extension across the bend line a rotating strip formed by the intermeshing of the solid edges of the sheet of material on opposite sides of the long slit during bending of the sheet of material; forming the long slit in the sheet of material, as designed and positioned And bending the sheet of material along the curve of the bay to form the product. 1 37. The method of claim 1, wherein the method comprises the additional step of: transporting the formed sheet of material in a flat state to bend the material at a distal location prior to the bending step sheet. 1 3 8 · The method of claim 163, which comprises the additional step of: bending the sheet of material ' at the distal end about a virtual fulcrum aligned with the bend line to follow the bend line The deformation of the sheet of material and the intermeshing of the solid edges of the sheet of material are produced. 1 3 9 · A method of folding an isometric sheet of material along a fold line, the package -24-1305737 comprising the steps of: forming a plurality of arcs on the sheet of material, each arc being between the ends of the arc Defining a plurality of joined regions, the arc being symmetrically and longitudinally spaced apart on opposite sides of the fold line forming a strip extending obliquely across the fold line; and folding the sheet of material along the fold line. 140. The method of claim 139, wherein: the forming step is performed by forming the arc to define a strip aligned in opposite directions along the fold line such that the sheet of material follows When the fold line is folded, the plane of the sheet of material on the opposite sides of the fold line is not displaced 〇1 4 1 · The method of claim 139, wherein: the arc is formed during the forming step A joint region extending obliquely across the fold line is produced in the same direction; and during the bending step, the sheet of material on the opposite sides of the fold line is allowed to be longitudinally displaced along the fold line. 14 2. A sheet of material formed to bend along a bend line, comprising: a sheet of material having at least two curved strips extending across the bend line, the strip having a line immediately adjacent the bend line a minimum width dimension and an increase in width dimension as the strip extends away from the sides of the minimum width dimension, and when the sheet of material is bent along the bend line, the strip is positioned relative to a desired bend line and The tie frame forms a plastic deformation of the strip at the bend line. -25- 1305737 1 43 - A method of bending a sheet of material that cannot be flattened along a bending line, comprising the steps of: forming a plurality of connected arcs on the sheet of material, each of the arcs establishing a sheet in the sheet of material a connecting region and a non-joining region, wherein the arc is symmetrically and longitudinally spaced along the bending line, wherein the connecting region forms a strip that passes over the bending line, and wherein the unconnected region has a deflecting tab, The tab is slightly deflected by the sheet of material when bent in one of the downward or upward deflections. The tab, when bent, helps to properly begin the edge of the unjoined region over the length of the bend line. Engaging; and bending the sheet of material along the bend line such that one of the sheets of material is planarly magnified along the bend line of the other plane of the sheet of material. 144. The method of claim 3, wherein the deflecting tendency of the tab prevents the tab from sliding below or above the opposing faces of the sheet of material, thereby maintaining the integrity of the bending process. 1 45. The method of claim 1, wherein the bending occurs in an opposite direction from the skewing tab. 1 46. A method for preparing a sheet of only an elastically deformable material along a curved line, comprising the steps of: forming a plurality of connected large radius arcs on the sheet of material, each of the arcs being formed on the sheet of material Establishing a connection region and a non-joining region, wherein the arc is symmetrically and longitudinally spaced along the bending line, and wherein the connecting region forms a strip that passes over the bending line, and wherein the bending line terminates in a A free surface that includes one of the outer edge and the inner edge. 1 4 7 . The method of claim 1, wherein the free surface of the 1305737 is an outer edge, and wherein the elbow terminates in one of: a. an outer edge about which the bend line is Or close to a vertical edge; b. - an interruption at the unconnected area of the curved line 'which is close to an elbow edge, and a strip between the interrupted portion and the edge of the elbow, such that the elbow Perpendicular to or nearly perpendicular to the bend line; c. a significant non-perpendicular angle relative to the bend line, where the angle of a bend line is used as one of the edges of the end strip: d. — the outer elbow edge of the strip , the system is close to the -r radius corner, where the nearest arc is rotated to form the strip at the edge of the elbow; and e _ - the arc of the terminal, which is rotated to the other side of the bend line so that Consistent with the curvature of a radiused corner, and thus forming the elbow - the final strip. 1 4 8 -- A method of designing a part made of a sheet of material that cannot be crushed and used to bend along a curved line, comprising the steps of: bending the line along a proposed bending line in a spaced and inclined relationship The sheet is carefully planned to have at least two curved strips such that when the sheet of material is bent, the sheet of material will be plastically deformed by both twisting and bending, thereby causing the bend to readily strengthen the material along the bend line. 149. A method of making a machine comprising the steps of: manufacturing at least one component of the machine, wherein the component is made by a sheet of solid material that is elastically and plastically deformable by the method. The following steps are included: 1305737 a. Forming two smear long slits through the sheet of material such that each long slit is laterally offset on opposite sides of a desired bend line and along the other long slit The bending line is longitudinally displaced, and the long slit having the width of the slit has an intermeshing of the solid edges of the sheet of material on opposite sides of the slit during bending; and b. a virtual alignment with the bending line The fulcrum bends the sheet of material ' to create plastic and elastic deformation of the sheet of material along the bend line and the intermeshing of the solid edges; and assembling all of the components required to complete the manufacture of the machine. 1 550 - a method of designing a product comprising the steps of: carefully designing the product in two dimensions, wherein the product is made of a sheet of solid material that is elastically and plastically deformable; At least two lengthwise long slits are formed in the sheet of material such that each long slit is laterally offset on opposite sides of a desired bend line and longitudinally displaced along the bend line relative to the other long slit to define a slope Extending at least one strip across the bend line, the long slit having a slit width dimension to create intermeshing of the solid edges of the sheet of material on opposite sides of the slit during bending of the sheet of material. 1 5 1 . A method of designing an accessory comprising the following steps: 1) carefully designing the accessory in two dimensions, wherein the accessory is made of a sheet of solid material that is elastically and plastically deformable; Forming at least two slender long slits in the sheet of material such that each long slit is laterally offset on opposite sides of a desired bend line and longitudinally displaced along the bend line relative to the other long slit Defining the slanted extension -28-1305737 through at least one strip of the bend line, the long slit having a slit width, and the recess distance dimension producing a solid edge of the sheet of material on opposite sides of the long slit during bending Engage each other; and 3) repeat step 2 as many times as necessary for the number of bends included in the attachment. 1 5 2. A method of making an attachment from a sheet of resiliently and plastically deformable solid material comprising the steps of: 1) forming at least two stencil long slits through the sheet of material such that each long slit is desired to be bent The opposite sides of the line are laterally offset on both sides, and are longitudinally displaced along the bending line relative to the other long slit, the long slit having a slit width, and the recessed distance dimension is generated on the opposite sides of the long slit during bending The solid edges of the sheet of material are intermeshing; 2) repeating step 1 as many times as necessary for the number of bends included in the attachment; and 3) bending each virtual pivot of the wrapper aligned with each of the bend lines The sheet of material 'creates the plastic and elastic deformation of the sheet of material along each of the bend lines and the intermeshing of the solid edges. 153. A method of making a part made of a sheet of non-compressible material for bending along a bend line, the method comprising the steps of: bending a line along a proposed bend line in the sheet of material in spaced and inclined relationship At least two curved strips are created such that the sheet of material will be plastically deformed by both twisting and bending when the sheet of material is bent, thereby making the bending easier and strengthening the material along the bending line. 1 5 4 - a sheet of material formed to bend along a bend line, -29 - 1305737 comprising: a sheet of material having a length formed through the sheet of material and positioned next to a desired bend line a slit 'and a curved strip at each end of the long slit' extending obliquely across the bend line, and the tie is configured to create a bend of the sheet of material along the bend line such that substantially The edge-to-face engagement of the sheet of material is caused on the opposite sides of the long slit during the entire bending of the sheet of material. 1 5 5 If the material of the patent range 1st, $4., is suitable for: the side of a curved strip is defined by the edge of one of the sheets. 156. The sheet of material of claim 155, wherein: the long slit has a arcuate end portion at each end, and an end portion and an edge of the sheet of material define an obliquely extending curved strip. 1 5 7 · A piece of material as claimed in claim 5, wherein: the piece of material has been bent along the bend line. 1 5 8 - a method of bending a sheet of material, the sheet of material being formed by bending along a bending line, the method comprising the steps of: forming a long slit through the sheet of material, the long slit being relatively opposed a bending line positioning 'and a curved strip at each end of the long slit, the oblique strip extending obliquely across the bending line, and the tie forming a bend along the bending line to cause the material sheet to be substantially The edge-to-face engagement of the sheet of material is caused on the opposite sides of the long slit during the entire bending of the sheet of material. 1 5 9 · The method of claim 5, wherein: the forming step is performed by forming a long slit having an end portion, -30 - 1305737, one of each _ strip. The shape is completed by the shape of the strip. 161. It contains the desired curved long slit which is required to bend the edge -3 162. The fine extension extends over the curve away from 163. The shaped slit, 164. A curved side that extends obliquely across the bend line is defined. The method of claim 158, wherein: the step of forming the long cut by one edge of the sheet of material so that the edge of the sheet of material and an arcuate end point define a curved design The following steps are performed on the sheet of material for bending along a bend line: a long slit on a sheet of material is defined, the long slit being defined relative to a desired line and the frame defining a structure on the sheet of material at each end point A curved strip is positioned to extend obliquely across the bend line and to cause i-plane engagement of the sheet of material on opposite sides of a long slit substantially during the entire bending of the sheet of material. The method of claim 6, wherein: the cardiac planning step is performed by positioning the curved strips obliquely in the opposite skew direction, and intersecting one of the long slits in the bend Far side. The method of claim 1, wherein: the step of forming is performed by forming the long slit, such as an arcuate long ridge having a convex side positioned closest to the curved line. A method of designing a product comprising the following steps: The design of the product is carefully planned, wherein the product is made of a single piece of material; and 1305737 is designed with a long slit structure and positioned in the solid material sheet. a long slit formed that is positioned along a desired bending line in a laterally offset position and a curved strip at each end of the long slit, the oblique extension of the curved strip The bending line is crossed and the long slits and the curved strips are formed to engage the solid edges of the solid material sheet on opposite sides of the long slit during bending of the solid material sheet. 1 6 5 . A method of designing a sheet of material that is not intended to be flattened along a bend line, comprising the steps of: bending the sheet of material to substantially the same sharpness as compared to using conventional bending techniques. A long slit and a curved strip are carefully planned in a manner on each end of the long slit of the sheet of material such that when the sheet is bent to a given sharpness in the bend, the material is The microstructure suffers from minor changes. 1 6 6. The method of claim i6, wherein the method comprises the steps of: forming a sheet of material having the long slit and the curved strip; and bending the sheet of material along the bend line. -32-