EP0870626A1 - Verfahren zum Herstellen von einem Umschlag zum Halten von Dokumenten - Google Patents

Verfahren zum Herstellen von einem Umschlag zum Halten von Dokumenten Download PDF

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Publication number
EP0870626A1
EP0870626A1 EP98201098A EP98201098A EP0870626A1 EP 0870626 A1 EP0870626 A1 EP 0870626A1 EP 98201098 A EP98201098 A EP 98201098A EP 98201098 A EP98201098 A EP 98201098A EP 0870626 A1 EP0870626 A1 EP 0870626A1
Authority
EP
European Patent Office
Prior art keywords
folder
die cut
cut piece
lines
plastic material
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
Application number
EP98201098A
Other languages
English (en)
French (fr)
Other versions
EP0870626B1 (de
Inventor
Roberto Bertozzi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0870626A1 publication Critical patent/EP0870626A1/de
Application granted granted Critical
Publication of EP0870626B1 publication Critical patent/EP0870626B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C7/00—Manufacturing bookbinding cases or covers of books or loose-leaf binders
    • B42C7/002—Manufacturing loose-leaf binders, folders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42F—SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
    • B42F13/00—Filing appliances with means for engaging perforations or slots
    • B42F13/0006—Covers for loose-leaf binders
    • B42F13/0013—Covers for loose-leaf binders made of special materials

Definitions

  • the present invention refers to a manufacturing process of fileholder folders for documents.
  • plastic materials are very much used in the preparation and in the binding of catalogues, brochures, booklets, fileholders, covers, folders, copyholders for documents and for other stationery material.
  • the fileholders and the copyholders of documents are generally made of paperboard (the so called “pressboard") or of plasticized paperboard, realised for ornament or protection purposes; in such cases, the material is cut according to a die cut piece having defined dimensions (usually, a rectangle is obtained with dimensions suitable to hold letter size documents); then, the so obtained die cut piece is bent along two or more lines parallel to the shorter side of the rectangle in order to realise the folder back.
  • the bending is realised through a traditional creasing process of the die cut paperboard.
  • such a manufacturing process has several disadvantages; first of all, due to the fact that the fileholder folders are frequently opened and closed, the material is subject to quick wear and breaking in correspondence to the creasing lines, where, in addition, dust and soil are collected. Finally, such an operation deforms, because of time wear, the entire die cut paperboard, causing the undesired result of producing twists and bends of the covers.
  • a purpose of the present invention is to disclose a manufacturing process of the document folders, which overcomes the above mentioned disadvantages, or to disclose a manufacturing process of the document folders, which realises a product suitable to last without breakings or deformations due to wear.
  • Another purpose of the present invention is to realise the above mentioned process in a simple and inexpensive way, in order to use it within an existing system, without any need to use complex or particularly expensive technologies.
  • the manufacturing process of the documents folders comprises the use of recycled plastic material and an extrusion phase, completed by a calendering phase, instead of the creasing phase.
  • two soft plastic material castings are coextruded, inserted and amalgamated with the rigid plastic material to form two lines in order to ease the folder bending and to form two, more elastic, hinges.
  • Such operations are performed to realise two or more (than two) lines parallel to the shorter side of the die cut piece; the material can be bent along said lines in order to realise the folder back.
  • numeral 10 generally indicates a document folder
  • numeral 20 indicates the back of the folder
  • numeral 40 indicates the two cover surfaces, which define the space wherein the documents are placed.
  • numeral 30 indicates a plurality of bending lines, which are obtained on a die cut piece, which has been subjected to the manufacturing process of the present invention.
  • the die cut piece of the folder 10 is shaped to realise the cover 40 and the back 20.
  • a die cut piece of plastic material polyolefins, halogenated polymers, polyesters, polyamides, copolymers
  • the die cut piece has a rectangular shape with such dimensions as to obtain the two surfaces of the cover 40 of the folder 10 (suitable to hold, inside, the documents which usually have a standard size) and the folder back 20.
  • the plastic material is made of recycled plastic material.
  • the creasing lines 30, along which the bendings are obtained may be two parallel lines, also parallel to the shorter side of the rectangular die cut piece, said lines are spaced by a defined distance which is the width of the folder back 20 and, therefore, the thickness of the folder 10.
  • the creasing lines 30 can be four, in a two by two arrangement, with a more gradual shape of the corners of the folder back 20.
  • the creasing of the lines 30 is obtained by means of a traditional extrusion process of the die cut piece of recycled plastic material, whereby a section bar, or a similar product, is obtained with a cross section shape having the same shape of the opening through which the plastic material has been put through; obviously to achieve such a result, it will be necessary that the plastic material is in such conditions that it has a plasticity level suitable to complete the process.
  • two castings of soft plastic material are coextruted, inserted and amalgamated with the rigid plastic material to form two parallel lines 30.
  • said elastic hinges may be coloured with the same or different colours, in order to differentiate and make unique the product in respect to the known folders 10.
  • a further traditional calendering process completes the manufacturing operations; the main purpose is to provide the material with a continuous sheet shape, with its final dimensions, with the requested surface finish and with those characteristics of handling and stiffness, which are essential features of thin sheet laminated materials.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Sheet Holders (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Packaging Of Special Articles (AREA)
  • Packaging For Recording Disks (AREA)
  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
  • Making Paper Articles (AREA)
EP98201098A 1997-04-10 1998-04-07 Verfahren zum Herstellen von einem Umschlag zum Halten von Dokumenten Expired - Lifetime EP0870626B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI970822 1997-04-10
IT97MI000822A IT1291531B1 (it) 1997-04-10 1997-04-10 Procedimento di fabbricazione di inserti o cartelle utilizzati per la raccolta di documenti

Publications (2)

Publication Number Publication Date
EP0870626A1 true EP0870626A1 (de) 1998-10-14
EP0870626B1 EP0870626B1 (de) 2001-11-28

Family

ID=11376826

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98201098A Expired - Lifetime EP0870626B1 (de) 1997-04-10 1998-04-07 Verfahren zum Herstellen von einem Umschlag zum Halten von Dokumenten

Country Status (4)

Country Link
EP (1) EP0870626B1 (de)
AT (1) ATE209575T1 (de)
DE (1) DE69802603D1 (de)
IT (1) IT1291531B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2335942A3 (de) * 2009-12-21 2013-07-24 Herlitz PBS Aktiengesellschaft, Papier-, Büro- und Schreibwaren Ordner mit biologisch abbaubarer Kaschierfolie

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1054185A (de) * 1900-01-01
GB1214477A (en) * 1967-10-30 1970-12-02 Fouley Plastics Mfg Company Lt Improvements in or relating to books, book covers, folders or the like and hinge strips for use in book binding
DE3304480C1 (de) * 1983-02-10 1984-02-16 King Jim Co., Ltd., Tokyo Clip zum Zusammenhalten von Papierbögen od. dgl.
FR2683485A1 (fr) * 1991-11-12 1993-05-14 Dottel Jean Marc Classeur.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1054185A (de) * 1900-01-01
GB1214477A (en) * 1967-10-30 1970-12-02 Fouley Plastics Mfg Company Lt Improvements in or relating to books, book covers, folders or the like and hinge strips for use in book binding
DE3304480C1 (de) * 1983-02-10 1984-02-16 King Jim Co., Ltd., Tokyo Clip zum Zusammenhalten von Papierbögen od. dgl.
FR2683485A1 (fr) * 1991-11-12 1993-05-14 Dottel Jean Marc Classeur.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2335942A3 (de) * 2009-12-21 2013-07-24 Herlitz PBS Aktiengesellschaft, Papier-, Büro- und Schreibwaren Ordner mit biologisch abbaubarer Kaschierfolie

Also Published As

Publication number Publication date
ITMI970822A1 (it) 1998-10-10
IT1291531B1 (it) 1999-01-11
ATE209575T1 (de) 2001-12-15
DE69802603D1 (de) 2002-01-10
EP0870626B1 (de) 2001-11-28

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