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WO1997001435A1 - Produit et procede de plastification de documents - Google Patents

Produit et procede de plastification de documents Download PDF

Info

Publication number
WO1997001435A1
WO1997001435A1 PCT/US1996/010856 US9610856W WO9701435A1 WO 1997001435 A1 WO1997001435 A1 WO 1997001435A1 US 9610856 W US9610856 W US 9610856W WO 9701435 A1 WO9701435 A1 WO 9701435A1
Authority
WO
WIPO (PCT)
Prior art keywords
sheet
εheet
underlying
overlying
pouch
Prior art date
Application number
PCT/US1996/010856
Other languages
English (en)
Inventor
Carl B. Samuelson
Original Assignee
Samuelson Carl B
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 Samuelson Carl B filed Critical Samuelson Carl B
Priority to AU63405/96A priority Critical patent/AU6340596A/en
Publication of WO1997001435A1 publication Critical patent/WO1997001435A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/10—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/26—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer which influences the bonding during the lamination process, e.g. release layers or pressure equalising layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/41—Opaque
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/412—Transparent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2317/00—Animal or vegetable based
    • B32B2317/12—Paper, e.g. cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2323/00—Polyalkenes
    • B32B2323/10—Polypropylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2377/00—Polyamides

Definitions

  • This invention relates generally to products and processes for laminating flexible sheet material and, in particular, to a product and process for laminating such sheet material that is useful at low temperatures .
  • the present invention is concerned with lamination of sheet material such as paper or similar documents utilizing commonly available xerographic copiers, laser printers, plain paper facsimile machines, and the like, which utilize heat and pressure rollers in their operation.
  • lamination of documents is accomplished with specially designed laminating machines which are utilized only in large offices or job shops since they are too complicated and expensive for ordinary office use.
  • a special plastic pouch and leader system is utilized to obtain the rapid lamination of documents or other flat materials by utilizing the heat and pressure of the common office copier machines, facsimile machines, laser printers, or similar printing machines.
  • Such machines have at least one heated roller through which the paper sheet on which the copy image is formed is passed.
  • photographs, business cards, ordinary print materials, identification cards, and the like can be laminated utilizing common office copier machines. Since no additional machinery is involved, only the relatively inexpensive specially designed laminating pouch is required to obtain excellent laminated documents with the ordinary office copier types of machines.
  • This invention concerns a means and method for laminating flexible sheet material by feeding the item to be laminated after it has been placed in the "pocket/envelope" of the laminating package into the copy paper supply tray of the standard office copier, laser printer, or facsimile machine.
  • the toner of the machine is turned down to a minimum and a blank piece of paper is placed on the copying surface.
  • the copy machine is then activated and the pouch is fed by means of the leader which is either paper or a specially coated extension of the plastic sheet through the feed and ultimately through the heated rollers of the ordinary copy machine.
  • Crumrine et al. xerographic machinery is utilized for aerial reconnaissance. It shows the utilization of adhesive coated paper strip to protect and cover a further strip on which the paper image is formed.
  • a set of pressure rollers is used to set a transparent plastic web so that it adheres to the adhesive on a transfer strip and fixes the powder image thereon, forming a protective cover therefor.
  • U.S. 5,126,797 Forest et al. A tone image sheet is laminated using a transparent laminating sheet fed from a normal copy sheet supply of a copier printer or the like with the laminating contact with the toner image after the tone image has been formed on a receiving sheet. The resulting sandwich layer is fed through the fuser, laminating the image between the sheets.
  • the Cherian '326 patent describes bonding using pressure and heat applied through the use of a heated top platen.
  • a cover assembly for use with photographs comprising a flexible polyester sheet larger than the photograph with a central transparent viewing portion and outer frame portion, the cover assembly having a layer of adhesive on its rear surface along the frame portion to afford firm adhesion of the sheet to the edge portion of the photograph and to a surface to support the photograph and cover assembly along the surface but being removable from the ⁇ urface and photograph without damaging them.
  • a laminating pouch for laminating a flexible sheet material.
  • the pouch includes an overlying sheet formed of a film having an exposed side and an interior side, and a first surface area.
  • a low temperature heat seal adhesive is coated on the interior side of the overlying sheet.
  • the pouch also includes an underlying sheet formed of a film having an adjacent side positioned adjacent the low temperature heat seal adhesive and a distal side opposite the adjacent side.
  • the underlying sheet has a second surface area that is substantially the same as the first surface area of the overlying sheet.
  • An adhesion promoting coating is provided on the adjacent side of the underlying sheet for the purpose of promoting adhesion between the overlying sheet and the underlying sheet.
  • the laminating pouch is used for the purpose of laminating a flexible sheet material.
  • the flexible sheet material has a third surface area that is smaller than the first and second surface areas of the overlying and underlying sheets, respectively.
  • the overlying sheet can be permanently adhered to the underlying sheet with the flexible sheet material therebetween when the laminating pouch is subjected to temperatures between about 150 F and 300 F.
  • a release coating is used on the adjacent side of the underlying sheet for the purpose of permitting the underlying sheet to be separated from the adhered overlying sheet and flexible sheet material when the lamination is complete.
  • a process for laminating a flexible sheet material is also provided.
  • the invention accordingly comprises an article of manufacture possessing the feature ⁇ , propertie ⁇ , and the relation of elements which will be exemplified in the article hereinafter described, and the ⁇ everal steps and the relation of one or more of such ⁇ teps with re ⁇ pect to each of the other ⁇ thereof, which will be exemplified in the method hereinafter disclosed, and the scope of the invention will be indicated in the claims .
  • FIG. 1 is a side plan view of a laminating pouch constructed and arranged in accordance with the invention
  • FIG. 2 is a sectional view of the laminating pouch of FIG. 1;
  • FIG. 3 i a top plan view of a laminating pouch con ⁇ tructed and arranged in accordance with the invention illustrating placement of a flexible sheet material therein;
  • FIG. 4 is a top plan view of a laminating pouch constructed and arranged in accordance with the invention having a flexible ⁇ heet material therein; and, FIG. 5 is a top plan view of a fully laminated pouch constructed and arranged in accordance with the invention.
  • a laminating pouch constructed and arranged in accordance with the invention is indicated generally by reference numeral 2.
  • the laminating pouch 2 include ⁇ an overlying or top film ⁇ heet 14 and an underlying or bottom film ⁇ heet 4.
  • the film may be clear, opaque, matte, color tinted, ⁇ urface embossed or textured plastic.
  • Suitable films include, but are not limited to, polyester, polyethylene terephthalate, polyethylene naphthalate, nylon, polypropylene, vinyl, and the like. Suitable films are commercially available from 3M Corporation of Minneapolis, Minne ⁇ ota, and Preci ⁇ ion Coating ⁇ , Walled Lake, Michigan, and Arkwright Corp. of Fi ⁇ kville, Rhode I ⁇ land. In a preferred embodiment, a polye ⁇ ter film i ⁇ used.
  • the overlying sheet or layer 14 has a predetermined ⁇ urface area and a thickne ⁇ of between about 0.0005 and 0.010 inche ⁇ , preferably about 0.002 inch.
  • a laminating pouch 2 i ⁇ formed from the overlying ⁇ heet 14 it will be under ⁇ tood that the overlying ⁇ heet 14 will have an exposed side or top surface 16 adjacent the exterior of the pouch 2 and an interior side or bottom surface 18 adjacent the interior of the pouch 2.
  • the overlying sheet 14 can be coated on both the exposed side 16 and interior side 18.
  • the overlying film sheet 14 has a coating 42 of a low temperature heat seal adhesive on it ⁇ interior side 18.
  • the low temperature heat ⁇ eal adhe ⁇ ive be activated at temperature ⁇ between about 180 F and 300 F, preferably between about 180 F and 245 F, mo ⁇ t preferably about 180 F.
  • the precise adhesive that is used can be determined based on the type of equipment, such as a copier, printer, fac ⁇ imile machine, or the like in which it i ⁇ de ⁇ ired to use the particular laminating pouch 2.
  • ⁇ moother adhe ⁇ ive coating ⁇ 42 are required a ⁇ the ⁇ peed of the equipment increa ⁇ e ⁇ .
  • the laminating pouch 2 of the invention will only be useful in high speed copiers that make 100 to 150 copies per minute or more if the adhesive coating 42 is glas ⁇ smooth.
  • Suitable low temperature heat seal adhesives include, but are not limited to, ethylene vinyl acetate, acrylic, acrylic copolymer ⁇ , polye ⁇ ter, polye ⁇ ter copolymers, polyethylene- ethylene vinyl acetate, ethylene copolymers, low density polyethylene, high density polyethylene, and mixture ⁇ thereof.
  • Suitable adhesive ⁇ are available from Oliver Products Corp., Grand Rapids, Michigan and Baker Adhe ⁇ ives, Inc. of Newark, New Jersey.
  • the thickness of the adhesive layer is between about 0.0003 to 0.003 inches thick, preferably about 0.002 inch.
  • the adhesive layer 42 preferably includes an anti ⁇ static compound.
  • Anti-static compound ⁇ serve to minimize inclu ⁇ ion of dust particles before and during lamination.
  • Suitable anti-static compounds include, but are not limited to, quaternary ammonium salts.
  • the laminating pouch 2 also includes an underlying sheet or bottom film layer 4.
  • the underlying sheet 4 can be formed of any suitable heat stable, clear, matte, surface embo ⁇ sed, textured, or ⁇ mooth plastic film or sheet.
  • Suitable film ⁇ or ⁇ heets include, but are no limited to, polyester, polyethylene terephthalate, polyethylene naphthalate, polycarbonate, nylon, paper, board, polypropylene, vinyl, and the like.
  • Polye ⁇ ter tran ⁇ parent film ⁇ such as Mylar, available from E.I. Dupont, are particularly suitable.
  • the underlying sheet 4 has a predetermined surface area sub ⁇ tantially contiguou ⁇ with the predetermined ⁇ urface area of the overlying ⁇ heet 14 and a thickne ⁇ of between about 0.00092 to 0.010 inches, preferably about 0.004 inch.
  • the underlying ⁇ heet or film 4 may be heat ⁇ tabilized ⁇ o that it will not be deformed by heat from printing machine roller ⁇ , which generally operate at temperatures between about 180 Fahrenheit and 300 Fahrenheit.
  • the underlying ⁇ heet 4 When a laminating pouch 2 is formed from the underlying ⁇ heet 4, it will be under ⁇ tood that the underlying ⁇ heet 4 will have an adjacent ⁇ ide or top ⁇ urface 12 adjacent the low temperature heat seal adhesive layer 42 on the overlying ⁇ heet 14 of the pouch 2 and a di ⁇ tal ⁇ ide or bottom ⁇ urface 10 oppo ⁇ ite the adjacent side 12.
  • An adhesion promoting coating 32 is provided on the adjacent side 12 of the underlying sheet 4. As with the adhe ⁇ ive coating 42, the ⁇ moothne ⁇ of the adhe ⁇ ion promoting coating 32 mu ⁇ t increa ⁇ e a ⁇ the ⁇ peed of the equipment in which the laminating pouch 2 is to be u ⁇ ed increa ⁇ e ⁇ .
  • Suitable adhe ⁇ ion promoting coating ⁇ include, but are not limited to, ethylene acrylic acid, acrylic resin, polye ⁇ ter re ⁇ in, ultraviolet cured acrylate, ⁇ ilicone ⁇ ilicate, urethane, and mixture ⁇ thereof.
  • an ethylene acrylic acid coating is used.
  • the thickness of the adhesion promoting coating 32 is between about 0.00005 and 0.0010 inches.
  • the coating 32 on the adjacent side 12 of the underlying ⁇ heet 4 may be a relea ⁇ e coating.
  • a ⁇ ilicone relea ⁇ e coating may be provided.
  • the underlying layer 4 i ⁇ ⁇ eparated from the overlying layer 14 and flexible ⁇ heet material 26 after the lamination proces ⁇ is complete. The overlying layer 14 and the flexible sheet material 26 remain laminated together.
  • a friction enhancing coating 34 is provided on the distal ⁇ ide or bottom 10 of film sheet 4.
  • the friction enchancing coating 34 serves to increase the coefficient of friction of the underlying ⁇ heet 4 and provide traction for the laminating pouch 2 ⁇ o that it can be fed through roller ⁇ of a copier or printing machine or the like.
  • the friction enhancing coating 34 provides scratch resi ⁇ tance to the distal surface 10 of the underlying film 4.
  • Suitable friction enhancing coating ⁇ 34 include, but are not limited to, acrylic re ⁇ in, polye ⁇ ter re ⁇ in, ultraviolet cured acrylate, silicone ⁇ ilicate, urethane, and the like.
  • Such coating material ⁇ generally include incorporated ⁇ ilica, or clay fillers to enhance roughness and provide a disparate surface.
  • an acrylic or polyester resin coating i ⁇ used.
  • the friction enhancing coating ⁇ 34 can be formulated to provide a clear or matte ⁇ urface and to enhance the coefficient of friction of the underlying ⁇ heet 4.
  • the thickness of friction enhancing coating 34 is between about 0.00005 and 0.0004 inches.
  • Both the adhesion promoting coating 32 and the friction enhancing coating 34 may include an anti-static compounds.
  • anti-static compounds serve to minimize inclusion of dust particles before and during lamination.
  • Suitable anti-static compounds include, but are not limited to, quaternary ammonium salt ⁇ .
  • a front leader 6 is an extension of the underlying or lower film sheet 4 and is of the same thickness.
  • the leader 6 can either be an integral part of the bottom pla ⁇ tic ⁇ heet 4 ⁇ eparated by perforation 20, or alternatively, a ⁇ eparate paper leader or other heat ⁇ table material.
  • the leader 6 has a length of between about 1 and 5 inches, preferably about 3 inches.
  • the attaching means must be of a removable character so the leader 6 can be removed from the underlying sheet 4 when the lamination process is completed. Alternatively, the leader 6 can be cut from the underlying sheet 4. In a preferred embodiment, the right lead corner of leader 6 can be notched at 7 to indicate the lead end for convenience.
  • the overlying sheet or top film layer 14 with exposed ⁇ ide or top ⁇ urface 16 and interior ⁇ ide or bottom ⁇ urface 18 is joined to the underlying sheet or bottom film layer 4 along indicated edge 24. This is accomplished, for example, by ⁇ uch means a ⁇ heat sealing approximately 1/8 to 1/4 inch with adhe ⁇ ive 13 along the leading edge 24 of the top film layer 14.
  • a flexible sheet material or document 26 which has a surface area le ⁇ than the predetermined ⁇ urface area of the overlying sheet 14 and the underlying sheet , to be laminated is in ⁇ erted back side 28 up into the pouch 2 with the face 27 down, as shown in FIGS. 3 and 4.
  • the face 27 of the document or the part to be seen is adjacent the bottom film layer 4.
  • Document 26 leading edge 29 is snug to the heat sealed joint 24 between the bottom film layer 4 and the top film layer 14.
  • Document 26 preferably should be at least 1/8 to 1/4 inch smaller on each side than the pouch 2. The borders thus formed 44, 46, and 48 are necessary to ensure that the top film layer 14 properly adheres to the bottom film layer 4 along the edges 44, 46, and 48.
  • the finished laminated document 26 has an approximately 1/4 inch wide plastic film border or plastic frame resulting from the operation.
  • the setting on the toner level of the copier is adjusted to the lowest level and a copy bypass function is used if it is available.
  • a perfectly clean white sheet of paper is placed on the document glass and the entire glass covered. If the copier has a manual feed tray, the document pouch 2 is placed therein with the forward lead feeder fir ⁇ t with the notch 7 or indicia on the right, with the bottom film of the laminate ⁇ andwich on the lower ⁇ ide. In the event a copy machine print ⁇ on the underside of the page, reverse the sandwich, forward feed the leader on the bottom side of the sandwich top notch 7 on the left, pres ⁇ the copier operating button and the sandwich will feed through the copier.
  • the sandwich is placed in the main feed tray of the printer, forward feed leader fir ⁇ t, bottom ⁇ ide of the ⁇ andwich down, notch on top right, feed the blank page by entering a couple of carriage return ⁇ on the computer and ⁇ end the print command to the printer.
  • Some ⁇ oftware package ⁇ allow to print a blank page or form feed a single sheet using the bypass sy ⁇ tem.
  • the sandwich will feed through the printer.
  • the document pouch is placed in the plain paper feed tray with the forward feed leader first, bottom of the sandwich down, top notch right. Insert a clean white sheet of paper into automatic document feeder and pres ⁇ the copy key. The ⁇ andwich will now feed through the facsimile machine.
  • the pouch can be used with conventional laminating machine ⁇ .
  • lamination i ⁇ complete remove the forward and rear leader ⁇ 6 and 8 by tearing off at the perforation ⁇ 9 and 20 a ⁇ shown in FIG. 5.
  • the initially sealed pouch may be rerun through the copier, reversing end ⁇ to assure complete adhesion.
  • the bottom film layer has a heat activated adhe ⁇ ive on the top ⁇ ide.
  • the top heat activated adhe ⁇ ive coated layer 14 can be paper or paper board.
  • the bottom layer 4 could be paper or paper board in which ca ⁇ e the image ⁇ ide of document 26 would face top layer 14.
  • a ⁇ heet may be in ⁇ erted between the document and film layer ⁇ to serve as a shield for the document and may al ⁇ o be used to introduce specular effects, sparkling highlights and other ⁇ pecial effect ⁇ . Thus the document could later be removed from the lamination without destroying the document.
  • Bottom film layer has clear coating on the underside and 1/4 inch heat activated adhesive border around it ⁇ perimeter on its top side.
  • the top film layer remains the same with the heat activated adhe ⁇ ive over the entire underside.
  • Both top and bottom films can have 1/4 inch adhesive border around the perimeters.

Landscapes

  • Laminated Bodies (AREA)

Abstract

On plastifie des documents dans des machines à photocopier et à imprimer de bureau, dans lesquelles la poudre imprimante est fixée à l'aide de rouleaux chauds. On utilise une pochette (2) spécialement conçue à cet effet, comprenant une feuille (4) support réalisée dans un film tel que du polyester et scellée le long d'une ligne (20) transversale à une feuille (14) de recouvrement, laquelle est réalisée dans un polyester similaire ou différent, ou dans un autre matériau plastique, et pourvue d'un adhésif thermocollant sur sa surface (18) inférieure. La feuille support s'étend au-delà de la feuille de recouvrement, afin de former des bordures (20) guides que l'on peut détacher de la portion principale de la feuille le long de lignes de déchirement perforées. La bordure (6) guide peut éventuellement comporter des repères signalant un coin antérieur, afin de permettre l'orientation de la pochette dans le photocopieur, dans un sens et une position de surface appropriés. La pochette est dimensionnée de manière à être légèrement plus grande que le document à plastifier.
PCT/US1996/010856 1995-06-28 1996-06-27 Produit et procede de plastification de documents WO1997001435A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU63405/96A AU6340596A (en) 1995-06-28 1996-06-27 Product and process for laminating documents

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US49627895A 1995-06-28 1995-06-28
US08/496,278 1995-06-28
US67319296A 1996-06-27 1996-06-27
US08/673,192 1996-06-27

Publications (1)

Publication Number Publication Date
WO1997001435A1 true WO1997001435A1 (fr) 1997-01-16

Family

ID=27052054

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1996/010856 WO1997001435A1 (fr) 1995-06-28 1996-06-27 Produit et procede de plastification de documents

Country Status (2)

Country Link
AU (1) AU6340596A (fr)
WO (1) WO1997001435A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6544629B1 (en) 2001-05-24 2003-04-08 Bryan A. Netsch Food grade laminate
US6794004B1 (en) 2001-03-13 2004-09-21 Bryan A. Netsch Food package insert and decoder game
US6811646B1 (en) 2001-03-13 2004-11-02 Bryan A. Netsch Food package insert and decoder game

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3918188A (en) * 1974-03-14 1975-11-11 Transilwrap Co Inc Laminating pouch and integrated carrier
US4158587A (en) * 1977-09-26 1979-06-19 General Binding Corporation Method of producing laminated sheets using laminated pouch support
US4185405A (en) * 1977-04-05 1980-01-29 General Binding Corporation Prefabricated laminating packet with tab
US5058926A (en) * 1990-03-26 1991-10-22 Transilwrap Company, Inc. Lamination product for manufacture of identification card

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3918188A (en) * 1974-03-14 1975-11-11 Transilwrap Co Inc Laminating pouch and integrated carrier
US4185405A (en) * 1977-04-05 1980-01-29 General Binding Corporation Prefabricated laminating packet with tab
US4158587A (en) * 1977-09-26 1979-06-19 General Binding Corporation Method of producing laminated sheets using laminated pouch support
US5058926A (en) * 1990-03-26 1991-10-22 Transilwrap Company, Inc. Lamination product for manufacture of identification card

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6794004B1 (en) 2001-03-13 2004-09-21 Bryan A. Netsch Food package insert and decoder game
US6811646B1 (en) 2001-03-13 2004-11-02 Bryan A. Netsch Food package insert and decoder game
US6544629B1 (en) 2001-05-24 2003-04-08 Bryan A. Netsch Food grade laminate

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Publication number Publication date
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