EP0442723A1 - Fabric stack shingler - Google Patents
Fabric stack shingler Download PDFInfo
- Publication number
- EP0442723A1 EP0442723A1 EP91301165A EP91301165A EP0442723A1 EP 0442723 A1 EP0442723 A1 EP 0442723A1 EP 91301165 A EP91301165 A EP 91301165A EP 91301165 A EP91301165 A EP 91301165A EP 0442723 A1 EP0442723 A1 EP 0442723A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stack
- conveyor
- workpieces
- roller
- holding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004744 fabric Substances 0.000 title abstract description 10
- 230000007480 spreading Effects 0.000 claims abstract description 4
- 238000003892 spreading Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 12
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 2
- 230000000295 complement effect Effects 0.000 claims 2
- 230000003247 decreasing effect Effects 0.000 claims 2
- 230000008569 process Effects 0.000 description 9
- 238000000926 separation method Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/66—Advancing articles in overlapping streams
- B65H29/6654—Advancing articles in overlapping streams changing the overlapping figure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H3/00—Separating articles from piles
- B65H3/46—Supplementary devices or measures to assist separation or prevent double feed
- B65H3/60—Loosening articles in piles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/20—Location in space
- B65H2511/22—Distance
Definitions
- This invention relates generally to the handling of flexible planar objects, and more particularly to the shingling of such objects when presented in stack form.
- a workpiece stack can be created by repeatedly folding a piece of fabric onto itself and then cutting a single pattern clear through all layers of the multiple-folded cloth. This produces a stack comprised of flexible planar objects of uniform size, oriented such that all edges of each object are juxtaposed with the corresponding edges of each immediately adjacent object. This arrangement produces a stack with ends defined by the two outermost planar objects, and sides defined by the juxtaposed edges of the several juxtaposed objects, which sides are all approximately perpendicular to the two parallel planes containing the end members of the stack.
- the foregoing and additional objectives are accomplished to shingle a stack of the type previously described.
- the present invention subjects the stack to a two-part process.
- the first step in the process forms an initial shingle and the second step further decreases the amount of overlap between adjacent workpieces.
- each workpiece is exposed as each underlying workpiece is displaced relative to its immediate neighbor during the shingling process.
- the stack is first placed on the platform of the rough shingler assembly.
- a clamp or similar means, is applied to the stack, preferably nearer to one end, such that the workpieces are immobilized relative to one another within a region near the clamp.
- the rough shingler then bends the stack.
- each workpiece shifts laterally relative to adjacent workpieces at the end of the stack past the bend and opposite the clamp.
- the clamp prevents any such shift or displacement within the region of the stack to which it is applied.
- the other end of the stack is clamped. The first clamp is released and the stack is then unbent. The initial displacement has been carried through the entire stack.
- This process may be repeated indefinitely, so long as the top workpiece in the stack continues to overlap the bottom workpiece and both clamps firmly hold both top and bottom workpieces. The longer the workpieces relative to the distance between the clamps and the thickness of the stack the more the stack can be shingled.
- the rough shingled stack is next treated by a spreader assembly.
- the spreader assembly includes at least one roller subassembly positioned above a conveyor belt on which the partially shingled stack is riding.
- the axle of the roller subassembly lies in a plane parallel to the conveyor and at an angle perpendicular to the direction of the conveyor belt.
- the stack is positioned upon the conveyor so that its open side faces the roller subassemblies and the direction of the conveyor. In the open side of a shingled stack each underlapping workpiece is exposed. In the closed side, each underlapping workpiece is hidden.
- a preshingled stack is driven under a roller subassembly or series of subassemblies.
- the subassembly is lowered so that the rollers of the subassembly are brought into contact with the open side of the stack.
- the rollers operate to recline and further shingle the stack. They do so by a combination of roller rotation in the same direction as the direction of the stack in combination with the application of pressure onto the shingled stack.
- Figure 1 illustrates one arrangement of the preferred embodiment. This arrangement demonstrates a close spacial proximity that is appropriate for rough shingler assembly 100 and spreader assembly 200, in view of the close temporal proximity in which the two assemblies operate during the particular shingling process disclosed herein, as well as in the overall manufacturing process.
- a fabric workpiece stack is placed upon rough shingler platform 110.
- the rough shingler platform 110 comprises two adjoining subplates, primary subplate 112 and secondary subplate 114.
- the axis 116 of the platform 110 joins the two subplates 112 and 114.
- a primary clamp 118 is positioned to clamp a stack 122 of objects against the primary subplate 112 and a secondary clamp 120 is positioned to clamp the same stack 122 against the secondary subplate 114.
- the sides of the stack which will be offset in a shingled fashion are preferably parallel to the axis 116.
- Figures 2A through 2F show the sequence of steps taken by the rough shingler 100.
- Figure 2A shows that a workpiece stack has been delivered to the platform 110. This may be done through any standard means such as by a conveyor.
- the stack 120 straddles the axis 116 and is positioned under both primary clamp 118 and secondary clamp 120.
- the primary clamp 118 is activated to firmly grasp the stack 122.
- the activation of the clamps may be controlled by mechanical, pneumatic, hydraulic or other means and is preferably automatically controlled. This action holds the workpieces in the stack immobile relative to one another in the region near to the primary clamp 118.
- the secondary subplate 114 is rotated about the axis 116 bending the workpieces.
- the subplate 114 may be controlled by mechanical, pneumatic, hydraulic or other means. These control means are preferably automatically actuated in sequence with the clamps. Any suitable control means may be used.
- Each workpiece is bent around the axis 116. However, each workpiece that is successively farther from the platform 110 is bent through an arc having a larger radius of curvature. Accordingly, because each workpiece is the same length the ends of the stack positioned over the secondary subplate 114 are displaced from one another. The larger the angle that the secondary subplate rotates through, the larger the displacement of the ends of the stack 122.
- the ends will be displaced whether the secondary subplate 114 is rotated upward or downward (as shown). It should be noted that if the subplate 114 is rotated upward the open end of the stack will be at the opposite end of the stack. Depending upon the characteristics of the workpiece attempting to rotate the subplate 114 up may tend to buckle the fabric and fail to shingle the stack 122.
- Figure 2D shows that the secondary clamp 120 is activated to firmly grasp the stack 122. This action holds the workpieces in the stack immobile relative to one another in the region near to the secondary clamp 120.
- Figure 2E shows that the primary clamp 118 is deactivated. The workpieces are no longer immobile relative to one another over the primary subplate 112.
- Figure 2F secondary subplate 114 is returned to its starting position parallel to primary subplate 112. Because the workpieces are no longer bent through various radii of curvature the amount displacement between the ends of the stack 122 held by the secondary clamp 120 is transferred throughout the stack 122.
- Additional displacement of the workpieces may be obtained by repeating that part of the process described above, so long as previous displacement has not removed any workpieces from the areas subject to detachable affixation by clamps 118 and 120 and so long as the top workpiece still overlies at least in part the bottom workpiece.
- the rough shingling operation may not be able to achieve sufficient shingling for suitable handling in subsequent operations.
- the spreader assembly 200 is used to spread the shingled stack out even more.
- the rough shingled stack is transported from the rough shingler 100 to the spreader assembly 200.
- the stack may be transported by any known method such as a conveyor.
- the spreader assembly 200 shown in Figure 3 comprises a conveyor 210 which transports the stack 122 therethrough. Additionally, roller assemblies 220 are utilized to spread out the fabric.
- the roller assemblies include a roller 222 driven by a belt 224 in the direction of the conveyor 210 and supported by a moveable arm 226. Positive pressure is exerted against the conveyor 210 by the roller 222 through an air cylinder 228. Springs, weight or other means may be used.
- the open edge of the stack 122 is driven under the roller 222 by the conveyor 210.
- the stack 122 forces the roller 222 to rise up and ride along the stack 122. Because the workpieces are compressible, a small wave is developed due to the pressure of the roller 222 on the stack 122. This wave is pushed through the stack thereby increasing the amount of shingling (spreading out the stack 122).
- the size of the rollers 222 are preferably selected to have an appropriate angle of attack to the stack 122 based upon the amount of shingle expected. Thus, rollers of different sizes can be used throughout a single shingle spreader assembly as shown in Figure 3.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
- Pile Receivers (AREA)
- Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
- Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
Abstract
Description
- This invention relates generally to the handling of flexible planar objects, and more particularly to the shingling of such objects when presented in stack form.
- Industrial manufacturing of a garment currently requires an inordinate amount of time to handle material that will eventually comprise a garment. In excess of 80% of the time spent on any one garment may go to material handling. Sewing, for example, represents a surprisingly small proportion of manufacturing time, relative to handling. One area of the process that is particularly time-consuming is separation of a stack of fabric workpieces to allow easy subsequent handling of individual workpieces.
- A workpiece stack can be created by repeatedly folding a piece of fabric onto itself and then cutting a single pattern clear through all layers of the multiple-folded cloth. This produces a stack comprised of flexible planar objects of uniform size, oriented such that all edges of each object are juxtaposed with the corresponding edges of each immediately adjacent object. This arrangement produces a stack with ends defined by the two outermost planar objects, and sides defined by the juxtaposed edges of the several juxtaposed objects, which sides are all approximately perpendicular to the two parallel planes containing the end members of the stack.
- By automating the process by which such stacks are separated, increased efficiency in handling fabric workpieces can be obtained. However, numerous difficulties are encountered in attempting to automate the separation of flexible planar objects. Unlike the rigid planar objects to which much of the prior art is addressed, stacks of flexible objects easily lose a workable shape if their movement is not strictly controlled. Thus, flexible objects cannot be expected to "fall into place" of their own accord, a characteristic upon which art such as U.S. Pat. Nos. 4,008,890 (PULDA) and 4,049,259 (VENTZ) depends.
- Much of the prior art also relies on minimal cohesion between juxtaposed planar surfaces. Where the planar objects are characterized by more substantial coefficients of friction, however, individual sheets are more likely to clump together, resisting current methods of separation. Although some of the art has addressed the "clumping" contingency, it does so only on an "as needed" basis.
- It is an object of the present invention to prepare stacks of flexible planar objects for subsequent automated separation by shingling the stack. Once the stack is shingled, an edge of each individual workpiece is exposed for easier handling. A further objective is to carry out this function in a manner which at all times controls the stack such that neither the stack nor the flexible planar objects composing said stack lose a workable shape. Additionally, the present invention is designed to prevent clumping entirely so that special time-consuming measures to separate clumps are avoided. Additional objectives, advantages and features of the present invention are explained as part of the following detailed description.
- The foregoing and additional objectives are accomplished to shingle a stack of the type previously described. The present invention subjects the stack to a two-part process. The first step in the process forms an initial shingle and the second step further decreases the amount of overlap between adjacent workpieces. As a result, each workpiece is exposed as each underlying workpiece is displaced relative to its immediate neighbor during the shingling process.
- To achieve this goal, the stack is first placed on the platform of the rough shingler assembly. Here, a clamp, or similar means, is applied to the stack, preferably nearer to one end, such that the workpieces are immobilized relative to one another within a region near the clamp. The rough shingler then bends the stack. To accommodate the fold while conforming to the shape of surrounding workpieces, each workpiece shifts laterally relative to adjacent workpieces at the end of the stack past the bend and opposite the clamp. However, the clamp prevents any such shift or displacement within the region of the stack to which it is applied. To maintain the displacement, the other end of the stack is clamped. The first clamp is released and the stack is then unbent. The initial displacement has been carried through the entire stack.
- This process may be repeated indefinitely, so long as the top workpiece in the stack continues to overlap the bottom workpiece and both clamps firmly hold both top and bottom workpieces. The longer the workpieces relative to the distance between the clamps and the thickness of the stack the more the stack can be shingled.
- Where the rough shingler cannot operate to provide sufficient shingling, further processing is necessary. To complete the shingling process, the rough shingled stack is next treated by a spreader assembly. The spreader assembly includes at least one roller subassembly positioned above a conveyor belt on which the partially shingled stack is riding. The axle of the roller subassembly lies in a plane parallel to the conveyor and at an angle perpendicular to the direction of the conveyor belt. The stack is positioned upon the conveyor so that its open side faces the roller subassemblies and the direction of the conveyor. In the open side of a shingled stack each underlapping workpiece is exposed. In the closed side, each underlapping workpiece is hidden.
- A preshingled stack is driven under a roller subassembly or series of subassemblies. As the conveyor carries the stack beneath a roller subassembly, the subassembly is lowered so that the rollers of the subassembly are brought into contact with the open side of the stack. The rollers operate to recline and further shingle the stack. They do so by a combination of roller rotation in the same direction as the direction of the stack in combination with the application of pressure onto the shingled stack.
- The preferred embodiment of the invention is described in detail below in conjunction with the illustrations in which:
- Figure 1 is a perspective view of the rough shingler assembly in combination with the spreader assembly;
- Figure 2A through 2F show the steps necessary to rough shingle a stack of fabric workpieces; and
- Figure 3 shows a side view of the spreader assembly with the second roller subassembly engaged.
- Figure 1 illustrates one arrangement of the preferred embodiment. This arrangement demonstrates a close spacial proximity that is appropriate for
rough shingler assembly 100 andspreader assembly 200, in view of the close temporal proximity in which the two assemblies operate during the particular shingling process disclosed herein, as well as in the overall manufacturing process. - In this arrangement, a fabric workpiece stack is placed upon
rough shingler platform 110. Therough shingler platform 110 comprises two adjoining subplates,primary subplate 112 andsecondary subplate 114. Theaxis 116 of theplatform 110 joins the twosubplates primary clamp 118 is positioned to clamp astack 122 of objects against theprimary subplate 112 and asecondary clamp 120 is positioned to clamp thesame stack 122 against thesecondary subplate 114. The sides of the stack which will be offset in a shingled fashion are preferably parallel to theaxis 116. - Figures 2A through 2F show the sequence of steps taken by the
rough shingler 100. Figure 2A shows that a workpiece stack has been delivered to theplatform 110. This may be done through any standard means such as by a conveyor. Thestack 120 straddles theaxis 116 and is positioned under bothprimary clamp 118 andsecondary clamp 120. In Figure 2B, theprimary clamp 118 is activated to firmly grasp thestack 122. The activation of the clamps may be controlled by mechanical, pneumatic, hydraulic or other means and is preferably automatically controlled. This action holds the workpieces in the stack immobile relative to one another in the region near to theprimary clamp 118. - In Figure 2C the
secondary subplate 114 is rotated about theaxis 116 bending the workpieces. Thesubplate 114 may be controlled by mechanical, pneumatic, hydraulic or other means. These control means are preferably automatically actuated in sequence with the clamps. Any suitable control means may be used. Each workpiece is bent around theaxis 116. However, each workpiece that is successively farther from theplatform 110 is bent through an arc having a larger radius of curvature. Accordingly, because each workpiece is the same length the ends of the stack positioned over thesecondary subplate 114 are displaced from one another. The larger the angle that the secondary subplate rotates through, the larger the displacement of the ends of thestack 122. - The ends will be displaced whether the
secondary subplate 114 is rotated upward or downward (as shown). It should be noted that if thesubplate 114 is rotated upward the open end of the stack will be at the opposite end of the stack. Depending upon the characteristics of the workpiece attempting to rotate thesubplate 114 up may tend to buckle the fabric and fail to shingle thestack 122. - Figure 2D shows that the
secondary clamp 120 is activated to firmly grasp thestack 122. This action holds the workpieces in the stack immobile relative to one another in the region near to thesecondary clamp 120. Next, Figure 2E shows that theprimary clamp 118 is deactivated. The workpieces are no longer immobile relative to one another over theprimary subplate 112. Lastly, in Figure 2F,secondary subplate 114 is returned to its starting position parallel toprimary subplate 112. Because the workpieces are no longer bent through various radii of curvature the amount displacement between the ends of thestack 122 held by thesecondary clamp 120 is transferred throughout thestack 122. - Additional displacement of the workpieces may be obtained by repeating that part of the process described above, so long as previous displacement has not removed any workpieces from the areas subject to detachable affixation by
clamps - Where the workpieces are short in length, such as for blue jean patch pockets, the rough shingling operation may not be able to achieve sufficient shingling for suitable handling in subsequent operations. In such circumstances, the
spreader assembly 200 is used to spread the shingled stack out even more. In the preferred embodiment of Figure 1, the rough shingled stack is transported from therough shingler 100 to thespreader assembly 200. The stack may be transported by any known method such as a conveyor. - The
spreader assembly 200 shown in Figure 3 comprises aconveyor 210 which transports thestack 122 therethrough. Additionally,roller assemblies 220 are utilized to spread out the fabric. The roller assemblies include aroller 222 driven by abelt 224 in the direction of theconveyor 210 and supported by amoveable arm 226. Positive pressure is exerted against theconveyor 210 by theroller 222 through anair cylinder 228. Springs, weight or other means may be used. - The open edge of the
stack 122 is driven under theroller 222 by theconveyor 210. Thestack 122 forces theroller 222 to rise up and ride along thestack 122. Because the workpieces are compressible, a small wave is developed due to the pressure of theroller 222 on thestack 122. This wave is pushed through the stack thereby increasing the amount of shingling (spreading out the stack 122). The size of therollers 222 are preferably selected to have an appropriate angle of attack to thestack 122 based upon the amount of shingle expected. Thus, rollers of different sizes can be used throughout a single shingle spreader assembly as shown in Figure 3. - While a particularly preferred embodiment of this invention has been described above in detail, it is understood that this embodiment is illustrative only of the principles of this invention. Numerous equivalents, modifications and variations of the described structure will become readily apparent to those skilled in the art. Thus, the scope of this invention is limited solely by the claims appended hereto.
Claims (10)
- An apparatus for spreading a shingled stack of compressible workpieces, the stack having an open face such that each underlying workpiece is exposed, the apparatus comprising:a. a driven roller;b. conveyor means to drive the stack under the roller wherein the stack is oriented so that the open face of the stack contacts the roller first;c. moveable means to apply positive pressure to hold the roller against the conveyor means thereby causing the amount of overlap between successive workpieces in the stack to decrease.
- The apparatus according to claim 1 wherein the means to drive the stack comprises a conveyor driven in a direction.
- The apparatus according to claim 1 wherein the moveable means to apply pressure comprises a hydraulic cylinder.
- The apparatus according to claim 1 wherein the roller is driven in a complementary direction to the conveyor.
- An apparatus for shingling a stack having a plurality of compressible flexible planar workpieces, the stack further having a first end and a second end comprising:a. a rough shingler comprising:(1) means to activate a first means for holding the first end of the stack such that the workpieces are immobile relative to one another at the first end;(2) means for bending the stack coupled to the means for holding to form a displacement in the workpieces relative to one another at the second end of the stack;(3) second means for holding the second end of the stack coupled to the means for bending such that the workpieces are immobile relative to one another at the second end to thereby maintain the displacement;(4) means to deactivate the first means for holding; and(5) means for unbending the stack; andb. a shingle spreader comprising:(1) conveyor means coupled to receive a shingled stack from the rough shingler;(2) a driven roller positioned over the conveyor means; and(3) moveable means to apply pressure to hold the roller against the conveyor whereby the amount of overlap between successive workpieces is decreased.
- The apparatus according to claim 5 wherein the means for holding the first end and the means for holding the second end comprise clamps.
- The apparatus according to claim 6 wherein the means for holding further comprises a first automatic means to activate the clamps.
- The apparatus according to claim 5 wherein the means for bending the stack comprises a fixed primary subplate and a rotating secondary subplate joined together at an axis.
- The apparatus according to claim 8 wherein the means for bending further comprises a second automatic means to rotate the secondary subplate.
- A method of spreading a shingled stack comprising the steps of:a. moving the stack on a conveyor; andb. pressing on the stack as it moves along the conveyor with a roller driven to rotate complementary to the conveyor whereby the amount of overlap between successive workpieces is decreased.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US47947290A | 1990-02-13 | 1990-02-13 | |
US479472 | 2009-06-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0442723A1 true EP0442723A1 (en) | 1991-08-21 |
EP0442723B1 EP0442723B1 (en) | 1995-07-26 |
Family
ID=23904157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91301165A Expired - Lifetime EP0442723B1 (en) | 1990-02-13 | 1991-02-13 | Fabric stack shingler |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0442723B1 (en) |
JP (1) | JP2603570B2 (en) |
AT (1) | ATE125514T1 (en) |
CA (1) | CA2036146C (en) |
DE (1) | DE69111484T2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107915089A (en) * | 2018-01-05 | 2018-04-17 | 海宁市力天袜业有限公司 | A kind of socks production expands machine with cloth |
CN108517677A (en) * | 2018-02-28 | 2018-09-11 | 海宁市现代汽车座套有限公司 | A kind of automobile-used light-shading and sun cover production cutting apparatus |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110438789B (en) * | 2019-08-05 | 2021-11-05 | 张刚 | A high accuracy fabric cutting machine for cloth processing |
CN112048898B (en) * | 2020-09-18 | 2022-03-22 | 宇诚信用评价咨询(湖北)有限公司 | Textile material cutting device for spinning |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4008890A (en) * | 1975-01-29 | 1977-02-22 | Vanguard Machinery Corporation | Method and apparatus for transporting materials |
GB2061235A (en) * | 1979-10-23 | 1981-05-13 | Grapha Holding Ag | Conveying and diverting device for a stream of overlapping printed sheets |
EP0075121A1 (en) * | 1981-09-18 | 1983-03-30 | Ferag AG | Device for tearing apart asunder flat products, in particular printed matter delivered in an imbricated arrangement |
US4727784A (en) * | 1986-05-20 | 1988-03-01 | Bernal Rotary Systems, Inc. | Web cut blank piling method and apparatus |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS534231B2 (en) * | 1972-04-24 | 1978-02-15 | ||
US4214744A (en) * | 1978-06-08 | 1980-07-29 | Molins Machine Company, Inc. | Snubbing apparatus |
-
1991
- 1991-02-12 CA CA002036146A patent/CA2036146C/en not_active Expired - Fee Related
- 1991-02-13 JP JP3216699A patent/JP2603570B2/en not_active Expired - Fee Related
- 1991-02-13 EP EP91301165A patent/EP0442723B1/en not_active Expired - Lifetime
- 1991-02-13 AT AT91301165T patent/ATE125514T1/en not_active IP Right Cessation
- 1991-02-13 DE DE69111484T patent/DE69111484T2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4008890A (en) * | 1975-01-29 | 1977-02-22 | Vanguard Machinery Corporation | Method and apparatus for transporting materials |
GB2061235A (en) * | 1979-10-23 | 1981-05-13 | Grapha Holding Ag | Conveying and diverting device for a stream of overlapping printed sheets |
EP0075121A1 (en) * | 1981-09-18 | 1983-03-30 | Ferag AG | Device for tearing apart asunder flat products, in particular printed matter delivered in an imbricated arrangement |
US4727784A (en) * | 1986-05-20 | 1988-03-01 | Bernal Rotary Systems, Inc. | Web cut blank piling method and apparatus |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107915089A (en) * | 2018-01-05 | 2018-04-17 | 海宁市力天袜业有限公司 | A kind of socks production expands machine with cloth |
CN108517677A (en) * | 2018-02-28 | 2018-09-11 | 海宁市现代汽车座套有限公司 | A kind of automobile-used light-shading and sun cover production cutting apparatus |
Also Published As
Publication number | Publication date |
---|---|
DE69111484T2 (en) | 1996-03-07 |
JPH07304531A (en) | 1995-11-21 |
CA2036146C (en) | 1994-11-15 |
EP0442723B1 (en) | 1995-07-26 |
JP2603570B2 (en) | 1997-04-23 |
ATE125514T1 (en) | 1995-08-15 |
DE69111484D1 (en) | 1995-08-31 |
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