WO1995028234A1 - Structure de cadre - Google Patents

Structure de cadre Download PDF

Info

Publication number
WO1995028234A1
WO1995028234A1 PCT/US1995/004281 US9504281W WO9528234A1 WO 1995028234 A1 WO1995028234 A1 WO 1995028234A1 US 9504281 W US9504281 W US 9504281W WO 9528234 A1 WO9528234 A1 WO 9528234A1
Authority
WO
WIPO (PCT)
Prior art keywords
frame
tubular members
members
reinforcing
silk screen
Prior art date
Application number
PCT/US1995/004281
Other languages
English (en)
Inventor
William G. Krug
Original Assignee
Krug William G
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Krug William G filed Critical Krug William G
Priority to AU22801/95A priority Critical patent/AU2280195A/en
Publication of WO1995028234A1 publication Critical patent/WO1995028234A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/14—Details
    • B41F15/34—Screens, Frames; Holders therefor
    • B41F15/36—Screens, Frames; Holders therefor flat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/06—Stencils
    • B05C17/08—Stencil holders

Definitions

  • This invention relates to structural frames for holding and supporting panels. More particularly, the present invention relates to frames which are impervious to deleterious environmental effects and distortional forces. In a further and more specific aspect, the present invention concerns a frame for supporting and carrying a silk screen panel during the process of creating a silk screen image.
  • the art of silk screen printing is a well known printing method employing a silk screen consisting of a mesh stretched over a frame.
  • the mesh is treated in various manners to produce areas of closed mesh (masked areas), and leave areas of open mesh.
  • the silk screen is placed over a substrate on which a pattern is to be printed. Ink is pressed through the screen in the areas of open mesh and prevented from reaching the substrate in masked areas. This is conventionally accomplished by using a squeegee to uniformly coat the mesh with ink within the frame and introduce the ink in a desired pattern or image on the substrate.
  • the various manners of treating the mesh include a stencil method in which cut-outs are placed upon the mesh leaving open areas in the desired pattern, and a method similar to a photographic negative.
  • the mesh is coated on both sides with an emulsion.
  • the emulsion is baked to harden and bond it to the mesh.
  • a transparency of the image or a stencil of the pattern desired is placed over the emulsion coated mesh.
  • the emulsion is light sensitive and will denature upon exposure to light. Any areas covered by the stencil or image will be protected from exposure to light and therefore not denatured.
  • the covered mesh is subjected to light, with the light denaturing the emulsion in desired areas.
  • the silk screen is then washed to remove the emulsion in those areas. In this manner, the emulsion coated mesh forms a negative of the desired image.
  • the frame upon which the mesh is stretched supports and carries the mesh, and defines the area to be inked.
  • Conventional frames are constructed of wood to which the mesh is easily tacked. While silk screens have been customarily constructed with wooden frames, and adequately provide support for the mesh, they tend to become damaged, worn and generally rendered unusable in a short period of time. During and after silk screen printing, frames are subjected to many chemicals and fluids. Wooden frames are particularly susceptible to damage from repeated soaking, which causes warping and rotting. Other materials such as aluminum have also been tried, but they too become unusable after a short time due to the corrosive nature of the solvents and inks used.
  • the entire silk screen including the wooden frame is baked in an oven or like device to cure the emulsion.
  • This has a tendency to dry, and possibly crack and warp the wooden frame.
  • the silk screen is washed to remove the denatured emulsion, the dry wood of the frame may swell, weakening joints and distorting the shape of the frame. Distortion of the frame may result in an unsatisfactory print.
  • Frame distortion is also a potential problem with aluminum frames. Heating and cooling of the aluminum will cause expansion and contraction of the joints, again causing distortion of the frame. It can be seen that due to the harsh and often corrosive environment to which a silk screen frame is subjected, its useful life is often short.
  • Frames are also used for supporting panels other than silk screen meshes. These panels include canvases for paintings, posters, materials such as used in needle point or cross stitch, wood and the like. Frames used in any of these manners may be subjected to deleterious environmental and atmospheric conditions, although probably not to the extent of a silk screen frame. Over time, frames tend to become damaged due to high humidity causing rot and warpage, and temperature changes causing weakening of the joints and distortion of the frame.
  • Another object of the present invention is to provide a frame which is resistant to deleterious environmental effects.
  • Another object of the present invention is to provide a frame which is warp resistant. Still another object of the present invention is to provide a reinforced frame.
  • Yet another object of the present invention is to provide an improved silk screen.
  • Yet still another object of the present invention is to provide a silk screen frame which is reusable and which will last indefinitely.
  • a further object of the present invention is to provide a silk screen having a frame which will not distort under environmental influences.
  • a further object of the present invention is to provide a silk screen frame which is readily cleanable.
  • Yet a further object of the present invention is to provide a frame which utilizes recycled materials.
  • a further object of the present invention is to provide a frame which is inexpensive to produce.
  • a frame for supporting a panel and for being substantially impervious to deleterious environmental effects.
  • the frame includes a plurality of elongate tubular members formed of a material which is substantially inert to deleterious effects of a selected ambient atmosphere, the plurality of elongate tubular members joined to form a continuous hollow perimetric structure, and structural foam filling the tubular members to substantially retard distortion of the continuous hollow perimetric structure.
  • the plurality of elongate tubular members each have a first end and a second end, the first ends being joined to the second ends of adjacent ones of the plurality of elongate tubular members to form the continuous hollow perimetric structure.
  • the plurality of elongated tubular members are formed of high density plastic.
  • the frame includes a substantially rigid reinforcing member disposed within each of the plurality of tubular members, anchored in position by the structural foam.
  • the reinforcing members each have opposing ends and the reinforcing members are disposed within the tubular member with the opposing ends spaced apart from the opposing ends of adjacent ones of the reinforcing members.
  • the reinforcing members each includes a pair of elongate plates joined along longitudinal edges thereof at an angle.
  • a silk screen for use in silk screen printing.
  • the silk screen includes a frame which is substantially impervious to deleterious environmental effects has a top surface and a bottom surface, defines a central open area, and includes a plurality of elongate tubular members formed of a material which is substantially inert to deleterious effects of chemicals associated with silk screening, the plurality of elongate tubular members joined to form a continuous hollow perimetric structure, and structural foam filling the tubular member to substantially retard distortion of the continuous hollow perimetric structure.
  • a mesh is removably bonded to the bottom surface of the frame, stretched across the open area.
  • Fig. 1 is a perspective view of a silk screen constructed in accordance with the teachings of the present invention
  • Fig. 2 is a partial perspective view illustrating the structure of the frame
  • Fig. 3 is a sectional view taken along line 3-3 of Fig. 1;
  • Fig. 4 is a partial top view illustrating the corner structure of the frame
  • Fig. 5 is a partial perspective view illustrating attachment of a mesh to the frame
  • Fig. 6 is a partial perspective view illustrating removal of the mesh from the frame
  • Fig. 7 is a sectional view similar to Fig. 3, of an alternate embodiment of a frame
  • Fig. 8 is a partial perspective view similar to Fig. 2, illustrating the structure of yet another frame
  • Fig. 9 is a partial top view illustrating the corner structure of the frame of Fig. 8;
  • Fig. 10 is a top view illustrating a further embodiment of a silk screen, constructed in accordance with the teachings of the present invention;
  • Fig. 11 is a partial exploded view in perspective of a corner of the silk screen of Fig. 10;
  • Fig. 12 is a sectional view taken along line 12-12 of Fig. 11;
  • Fig. 13 is a partial cut-away view in perspective of a corner of the silk screen of Fig. 10, similar to Fig. 11;
  • Fig. 14 is a perspective view illustrating the step of injecting a structural foam
  • Fig. 15 is a sectional view taken along line 15-15 of Fig. 11;
  • Fig. 16 is a sectional view illustrating a further embodiment
  • Fig. 17 is a perspective view illustrating a step in the construction of a half frame
  • Fig. 18 is an exploded perspective view illustrating the completion of the half frame.
  • Fig. 19 is a partial view illustrating a half frame in use.
  • Fig. 1 illustrates a silk screen generally designated by the reference character 10.
  • Silk screen 10 is a structure including a frame 12 and a mesh 13 stretched tightly thereover.
  • Mesh 13 is a conventional and well known mesh having a plurality of openings, commonly numbering from 400-600 per square inch.
  • the technique of silk screen printing includes masking portions of mesh 13 to prevent any ink from passing through the masked areas. The unmasked portions of mesh 13 permit ink to be forced therethrough onto a media (not shown) below.
  • Frame 12 has a top surface 14, a bottom surface 15, an inner surface 17 and an outer surface 18.
  • Mesh 13 is generally secured around the periphery thereof to bottom surface 15 of frame 12. This is described in detail subsequently.
  • Silk screen 10 is placed over the media to be printed on, and ink is placed on mesh 13.
  • Frame 12 contains the ink within its border, and a squeegee is generally used to spread the ink uniformly over mesh 13.
  • Silk screen 10 is then removed and reused for the same print, or cleaned in preparation of a new print.
  • Frame 12 consists of segments 20 each having opposing ends 22 and 23. Segments 20 are joined with end 22 of one of segments 20 coupled to end 23 of an adjacent segment 20, completing a continuous circuit.
  • frame 12 will be a quadrilateral, however one skilled in the art will understand that substantially any polygon may be constructed.
  • the preferred embodiment illustrated in Figs. 1-4 is a quadrilateral, with ends 22 and 23 of segments 20 coupled at substantially right angles. Ends 22 and 23 are mitered at a substantially 45 degree angle to obtain the proper shape.
  • segments 20 each consist of a reinforcing member 24 disposed inside a tubular member 25.
  • Tubular members 25 each include opposing ends 27 and 28, an inner surface 29 and an outer surface 30.
  • Tubular members 25 are preferable square tubes, but it will be understood that other geometries, may be used. It has been found that high density polyethylene is substantially impervious to the effects of water, inks, cleaning solvents used in silk screen processes, temperature fluctuation and other deleterious environmental effects. Therefore, tubular members 25 are preferably formed from high density polyethylene.
  • tubular members 25 are preferably formed from high density polyethylene.
  • other relatively inert plastic materials may be used, such as polypropylene.
  • Tubular members 25 alone are not sufficiently rigid and strong to provide adequate support as a frame due to the high tension of mesh.
  • Reinforcing members 24, carried within each tubular member 25, provide rigidity. Since reinforcing members 24 are completely enclosed within tubular members 25, as can be seen in Fig. 3, they are protected from deleterious environmental effects. Therefore, in this embodiment, reinforcing members 24 are I-beams, preferably formed from extruded aluminum. Aluminum provides a light, strong reinforcement to tubular members 25. Reinforcing members 24 have opposing ends 32 and 33 corresponding to ends 22 and 23 of segments 20. Ends 32 and 33 are mitered to form the appropriate angle with ends 32 and 33 of adjacent reinforcing members.
  • ends 32 and 33 of reinforcing members 24 are separated by an expansion space 34 which permits longitudinal expansion of reinforcing members 24 due to temperature variation or the like.
  • segments 20 are coupled by welding tubular members 25 together forming corner joints 35.
  • Reinforcing members 24 provide rigidity and strength to tubular members 25, but do not aid in coupling segments 20 due to expansion space 34.
  • End 22 of one segment 20 is positioned adjacent an end 23 of another segment 20, such that mitered ends 32 and 33 of reinforcing member 24 are spaced apart in a substantially parallel relationship defining expansion space 34, and ends 27 and 28 of tubular members 25 engage one another.
  • a plastic weld known to those skilled in the art, couple ends 27 and 28 about expansion space 34, forming tubular members 20 into a continuous, hollow perimetric structure strengthened by reinforcing members 24 carried therein. Since tubular members 25 are substantially impervious to deleterious environmental effects such as corrosion, warping, expansion and the like, corner joints 35 remain strong and unaffected. Reinforcing members 24 provide rigidity and strength to frame 12, and due to the presence of expansion space 34, expansion of reinforcing members 24 during temperature fluctuations will not effect corner joints 35.
  • mesh 13 is removably bonded to frame 12 by an adhesive 37 applied to bottom surface 15 of frame 12.
  • Mesh 13 is placed onto bottom surface 15 in a direction indicated by arrowed line A.
  • the majority of the strain placed upon adhesive 37 is in an inward direction as indicated by arrowed line B.
  • the amount of adhesive 37 countering the strain corresponds to the width of segments 20 of frame 12. Therefore, the bonding strength of adhesive 37 in the inward direction is high and mesh 13 is securely held in position against this inward force.
  • a particular mesh After a particular mesh is finished with, it may be removed from frame 12 by peeling it off of bottom surface 15.
  • application of force in an upward direction as indicated by arrowed line C overcomes the bonding strength of adhesive 37.
  • the bonding strength of the adhesive is very low in this direction, since a very thin layer of adhesive secures mesh 13 to frame 12, and adhesives generally have low bonding strengths when employed on high density polyethylene.
  • the bonding strength in the upward direction is low, as opposed to the high bonding strength of the adhesive over an area the width of segments 20 in the inward direction of arrowed line B. It has been found that an adhesive commonly available under the name Super GlueTM is ideal for this application.
  • Frame 40 is substantially identical to frame 12, including a plurality of segments 42, each segment 42 including a tubular member 43 and a reinforcing member 44. Furthermore, segments 42 are joined in the same manner, with corner joints (not visible) formed by welding the ends of tubular members 43 together and leaving an expansion space (not visible) between the ends of reinforcing members 44.
  • Frame 40 differs from frame 12 in the configuration of reinforcing members 44.
  • reinforcing members 44 are square tubes formed from extruded aluminum. This embodiment illustrates that the reinforcing members of the present invention may be substantially any configuration which will provide the necessary rigidity and strength to the tubular members.
  • FIG. 8 A further embodiment of a frame generally designated 50 is illustrated in Figs. 8 and 9.
  • Frame 50 is substantially identical to frames 12 and 40, including a plurality of segments 52 each having opposing ends 53 and 54. As was described in connection with Fig. 1, segments 52 are joined with end 53 of one of segments 52 coupled to end 54 of an adjacent segment 52 completing a continuous circuit. Segments 52 each consist of a reinforcing member 55, disposed inside a tubular member 57.
  • Tubular members 57 are preferably square tubes formed from high density polyethylene, including opposing ends 58 and 59, an inner surface 60 and an outer surface 62. Tubular members 57 are joined at corner joints 63 by welding.
  • Tubular members 57 alone are not sufficiently rigid and strong to provide adequate support as a frame .
  • Reinforcing members 55 carried within each tubular member 57 provide rigidity.
  • reinforcing members 55 are completely enclosed within tubular members 57, as can be seen in Fig. 9, they are protected from deleterious environmental effects. Therefore, materials may be used which would ordinarily be effected by various environments.
  • reinforcing members were described as being formed from aluminum due to its light weight and strength. While aluminum is an ideal material, one skilled in the art will understand that substantially any material having adequate rigidity may be used.
  • frame 50 includes reinforcing members 55 fabricated from wood.
  • Reinforcing members 55 have opposing ends 64 and 65 corresponding to ends 53 and 54 of segments 52. Ends 64 and 65 are mitered to form the appropriate angle with ends 64 and 65 of adjacent reinforcing members 55. Ends 64 and 65 of reinforcing members 55 are separated by an expansion space 67 which permits longitudinal expansion of reinforcing members 55 due to temperature variation, moisture or the like.
  • segments 52 are coupled by welding tubular members 57 together forming corner joints 63.
  • Reinforcing members 55 provide rigidity and strength to tubular members 57, but do not aid in coupling segments 52 due to the presence of expansion space 67.
  • End 53 of one segment 52 is positioned adjacent an end 54 of another segment 52, such that mitered ends 64 and 65 of reinforcing members 55 are spaced apart in a substantially parallel relationship defining expansion space 67, and ends 58 and 59 of tubular members 57 engage one another.
  • a plastic weld known to those skilled in the art, couple ends 58 and 59 about expansion space 67, forming tubular members 57 into a continuous, hollow perimetric structure strengthened by reinforcing members 55 carried therein.
  • tubular members 57 are substantially impervious to deleterious environmental effects such as corrosion, warping, expansion and the like, corner joints 63 remain strong.
  • Reinforcing members 55 provide rigidity and strength to frame 50, and due to expansion space 67, expansion of reinforcing members 55 during temperature fluctuations will not weaken corner joints 63.
  • Silk screen 110 is a structure including a frame 112 and a mesh 113 stretched tightly thereover.
  • Frame 112 has a top surface 114, a bottom surface 115, an inner surface 117 and an outer surface 118.
  • Mesh 113 is generally secured around the periphery thereof to bottom surface 115 of frame 112. This is described in more detail subsequently.
  • Silk screen 110 is placed over the media to be printed on, and ink is placed on mesh 113.
  • Frame 112 contains the ink within its border, and a squeegee is generally used to spread the ink uniformly over mesh 113.
  • Silk screen 110 is then removed and re-used for the same print, or cleaned in preparation of a new print.
  • Frame 112 consists of segments 120 each having opposing ends 122 and 123. Segments 120 are joined with end 122 of one of segments 120 coupled to end 123 of an adjacent segment 120, completing a continuous circuit.
  • frame 112 will be a quadrilateral, however one skilled in the art will understand that substantially any polygon may be constructed.
  • the embodiment illustrated in Figs. 11-15 is a quadrilateral, with ends 122 and 123 of segments 120 coupled at substantially right angles. Ends 122 and 123 are mitered at a substantially 45 degree angle to obtain the proper shape.
  • mesh 113 is removably bonded to frame 112 by an adhesive (not shown) applied to bottom surface 115 of frame 112.
  • Mesh 113 is placed onto bottom surface 115 in a direction indicated by arrowed line AA.
  • the majority of the strain placed upon the adhesive is in an inward direction as indicated by arrowed line BB.
  • an adhesive commonly available under the name Super GlueTM is ideal for this application.
  • Other conventional adhesives such as Frame FastTM a trade grade glue currently used in the silk screen industry for affixing meshes to frames, can also be used.
  • segments 120 each consist of a reinforcing member 124 disposed inside a tubular member 125.
  • Tubular members 125 each include opposing ends 127 and 128, an inner surface 129 and an outer surface 130.
  • Tubular members 125 are preferable square tubes, but it will be understood that other geometries may be used. It has been found that high density polyethylene or polypropylene are substantially impervious to the effects of water, inks, cleaning solvents used in silk screen processes, temperature fluctuation and other deleterious environmental effects. Therefore, tubular members 125 are preferably formed from high density polyethylene or polypropylene. One skilled in the art will realize that other relatively inert plastic materials may be used.
  • Tubular members 125 alone are not sufficiently rigid and strong to provide adequate support as a frame, due to the high tension of mesh 113. Therefore, as with previous embodiments, tubular members 125 must be reinforced.
  • tubular members 125 are reinforced with reinforcing members 124, and a structural foam 126 such as polyurethane. Reinforcing members 124 are carried within each tubular member 125 to provide rigidity. Since reinforcing members 124 are completely enclosed within tubular members 125, they are protected from deleterious environmental effects.
  • reinforcing members 124 are H-beams, generally similar to the I-beams in previous embodiment, but rotated 90 degrees such that the web is parallel to the inwardly directed forced generated on frame 112. This orientation of reinforcing members 124 provides greater strength, thus supporting mesh 113 under greater tension without distorting.
  • Reinforcing members 124 have opposing ends 132 and 133 corresponding to ends 122 and 123 of segments 120. Ends 132 and 133 are squared off, and are spaced from ends 122 and 123. Ends 132 and 133 of reinforcing members 124 are separated by a space 134 which is large relative space 34 of previous embodiments. Space 134 permits longitudinal expansion of reinforcing members 124 due to temperature variation or the like and for additional reasons described below.
  • structural foam 126 is injected into tubular members 125, encapsulating reinforcing members 124.
  • Structural foam 126 provides additional strength and rigidity to frame 112 and anchors reinforcing members 124, preventing their movement, and thus eliminating rattles and other noise.
  • Use of structural foam 126 also fills voids within segments 120. The elimination of voids has the very desirable effect of preventing any fluids such as inks, solvents, etc. from entering and being captured within frame 112. Fluids caught within frame 112 may leak back out at any time. This can be disastrous if the fluids leak onto items being silk screened. Stained or otherwise ruined products can be expensive to replace.
  • Structural foams are generally available in many different strengths and weights, which permits the fabrication of frames having different strengths and weights. Generally, smaller frames can employ lighter foam while larger frames, which are inherently weaker due to a greater amount of stress placed on longer segments, require heavier foam. For example, in a 12x12 inch frame, a 10# foam may add sufficient strength alone, without any reinforcing members 124 (described below) while an 18x22 inch frame may require a 12# foam with reinforcing members 124, and a 23x31 inch frame may require a 20# foam with reinforcing members 124. It will be understood that heavier foams may be employed to provide great strength as foams currently are available with weights as great as 73#.
  • structural foam 126 is preferably introduced into tubular members 125 after reinforcing members 124 have been inserted and tubular members 125 have been joined to form a continuous circuit as described in previous embodiments.
  • a pair of small holes 135 are formed in tubular members 125 adjacent diagonal corners.
  • a nozzle 138 of an injection device 139 is inserted into one of holes 135 and structural foam 126 is injected until all voids are filled.
  • Uniform dispersal of structural foam 126 is aided by space 134 formed at the corners of frame 112 due to the absence of reinforcing members 124 extending along the entire length of tubular members 125. Space 134 allows structural foam 126 to disperse completely around reinforcing members 124. Holes 135 are then closed. It will be understood that a frame may be formed with no reinforcing members, the structural foam alone acting as a reinforcing means . In this instance, the foam would be injected in the same manner.
  • plugs 140 of the same material as tubular members 125 may be used to close holes 135.
  • the setting of structural foam 126 will bond to and retain plugs 140.
  • Plugs 140 may also be fixed and sealed into place by adhesives or application of heat to seal or weld them into place.
  • holes 135 are formed in bottom surface 115. Therefore, plugs 140 will be virtually undetectable after the adhesive has been applied and mesh 113 has been affixed.
  • Fig. 16 an alternate embodiment of a reinforcing member 142 is shown to illustrate that different configurations may be employed. In previous embodiments, reinforcing members have consisted of elongate plates coupled at an angle along longitudinal edges.
  • tubular members may also be used to strengthen and provide rigidity.
  • the tubular members may have a wide variety of profiles including square, round, or other. Referring specifically to Fig. 16, reinforcing member 142 is tubular and has a square profile. Reinforcing member 142 will fill with a structural foam 143 as it is injected.
  • a frame 150 is constructed in accordance with the teachings of the present invention, and cut in half, leaving cut ends 152 and 153.
  • frame 150 has been constructed without any reinforcing members as structural foam 158 alone is sufficient to give it strength and rigidity.
  • An elongate metal plate 154 preferably fabricated of aluminum and having opposing ends 155 and 157, is coupled to cut ends 152 and 153, completing half frame 160.
  • Structural foam 158 when set, is sufficiently hard and rigid to receive and retain screws 162 extending through ends 155 and 157 of plate 154. In this manner, plate 154 is coupled between cut ends 152 and 153, completing the continuous circuit of half frame 160. Since plate 154 is thin, there is no interference between bill 148 and half frame 160.
  • the present invention is capable of being exploited in any situation where a frame is needed for use in corrosive environments.
  • the present invention is particularly appropriate for use in the silk screening industry.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Screen Printers (AREA)

Abstract

L'invention concerne un cadre pour supporter un écran de sérigraphie. Ce cadre (12) comporte une pluralité d'éléments tubulaires allongés (20, 57, 125) réunis pour former une structure périphérique creuse et continue. Des éléments de renforcement (24, 44, 55, 124) sont placés à l'intérieur des éléments tubulaires (20, 57, 125) et les éléments tubulaires sont remplis d'une mousse rigide (126) pour limiter sensiblement les risques de distorsion de la structure périphérique creuse.
PCT/US1995/004281 1994-04-14 1995-04-07 Structure de cadre WO1995028234A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU22801/95A AU2280195A (en) 1994-04-14 1995-04-07 Frame construction

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US22767694A 1994-04-14 1994-04-14
US08/227,676 1994-04-14

Publications (1)

Publication Number Publication Date
WO1995028234A1 true WO1995028234A1 (fr) 1995-10-26

Family

ID=22854035

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1995/004281 WO1995028234A1 (fr) 1994-04-14 1995-04-07 Structure de cadre

Country Status (2)

Country Link
AU (1) AU2280195A (fr)
WO (1) WO1995028234A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3583466A (en) * 1969-12-17 1971-06-08 Polacoat Inc Adjustable screen frame for rear projection screen or the like
US4195681A (en) * 1977-01-12 1980-04-01 Arthur Shaw Manufacturing Ltd. Fly screens for windows
US4432174A (en) * 1981-07-14 1984-02-21 Sulzer Brothers Limited Self-supporting insulation element
US4452138A (en) * 1982-06-17 1984-06-05 American Screen Printing Equipment Co. Screen printing frame
US5040456A (en) * 1990-11-09 1991-08-20 U.S. Graphics Ltd. Screen printing frame
US5076162A (en) * 1990-10-04 1991-12-31 Goin Bobby G Expandable mesh frame

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3583466A (en) * 1969-12-17 1971-06-08 Polacoat Inc Adjustable screen frame for rear projection screen or the like
US4195681A (en) * 1977-01-12 1980-04-01 Arthur Shaw Manufacturing Ltd. Fly screens for windows
US4432174A (en) * 1981-07-14 1984-02-21 Sulzer Brothers Limited Self-supporting insulation element
US4452138A (en) * 1982-06-17 1984-06-05 American Screen Printing Equipment Co. Screen printing frame
US5076162A (en) * 1990-10-04 1991-12-31 Goin Bobby G Expandable mesh frame
US5040456A (en) * 1990-11-09 1991-08-20 U.S. Graphics Ltd. Screen printing frame

Also Published As

Publication number Publication date
AU2280195A (en) 1995-11-10

Similar Documents

Publication Publication Date Title
US5707903A (en) Decorative non-slip liner
US4681651A (en) Vacuum bag sealing system
JPS6138607A (ja) 濾過スクリーン
US4702783A (en) Adhesive technology
KR0128211B1 (ko) 마스킹방법 및 접착층을 형성시킨 마스킹 쿠션
GB2229964A (en) Three dimensional screen printing.
US4186660A (en) Screen-printing frame with plastic side bars bondable to fabric by surface-softening
US20020094404A1 (en) Liner
DE69710234D1 (de) Verfahren zum Verbessern der Druckqualität von Druckern mit wenigstens einer höheren Auflösung in einer Richtung
DE69724464D1 (de) Verfahren zum modifieren der oberfläche eines absorbierenden funktionelles materials, insbesondere für absorbierende artikel
WO1995028234A1 (fr) Structure de cadre
US2813050A (en) Plastic boats and methods of manufacturing same
US20080088056A1 (en) Flexible release agent-free, multiple-use materials employed for concrete pouring forms and methods of making and using the same
US6932883B2 (en) Screens for vibratory separators
US1580922A (en) Lamp shade and method of making the same
US6945168B1 (en) Apparatus and method for a silkscreen
US6990900B2 (en) Method and apparatus for stretching and mounting a screen printing screen
DE04253469T1 (de) Verfahren und System zur Reparatur von Glasoberflächen
WO2021069985A1 (fr) Sac de transport
ATE330914T1 (de) Verfahren zur bearbeitung der oberfläche einer glasplatte und nach diesem verfahren hergestellte glasplatte
JP4315310B2 (ja) 化粧合板の製法
CA2405368C (fr) Methode d'adhesion d'un materiau a un autre, et produit resultant
JP3020394B2 (ja) 外壁ボード間の継目処理方法
DE102005051968A1 (de) Transportband an Kassen in Verbrauchermärkten und Fitnessstudios mit Werbeaufdruck
CA2210020C (fr) Tamis ameliore

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AM AT AU BB BG BR BY CA CH CN CZ DE DK ES FI GB GE HU IS JP KE KG KP KR KZ LK LR LT LU LV MD MG MN MW MX NO NZ PL PT RO RU SD SE SG SI SK TJ TM TT UA UG US UZ VN

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): KE MW SD SZ UG AT BE CH DE DK ES FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
122 Ep: pct application non-entry in european phase
REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

NENP Non-entry into the national phase

Ref country code: CA