EP0408452A1 - Zusammenfügen von PVC-Blättern zu einem Block mittels Schweissen in einem Einband, der nicht aus PVC besteht - Google Patents

Zusammenfügen von PVC-Blättern zu einem Block mittels Schweissen in einem Einband, der nicht aus PVC besteht Download PDF

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Publication number
EP0408452A1
EP0408452A1 EP90402000A EP90402000A EP0408452A1 EP 0408452 A1 EP0408452 A1 EP 0408452A1 EP 90402000 A EP90402000 A EP 90402000A EP 90402000 A EP90402000 A EP 90402000A EP 0408452 A1 EP0408452 A1 EP 0408452A1
Authority
EP
European Patent Office
Prior art keywords
cover
pvc
sheets
binding
high frequency
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
EP90402000A
Other languages
English (en)
French (fr)
Other versions
EP0408452B1 (de
Inventor
Christophe Gandon
Gino Esnault
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.)
PANODIA SA
Original Assignee
PANODIA SA
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 PANODIA SA filed Critical PANODIA SA
Publication of EP0408452A1 publication Critical patent/EP0408452A1/de
Application granted granted Critical
Publication of EP0408452B1 publication Critical patent/EP0408452B1/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
    • B42C11/00—Casing-in
    • B42C11/06—Machines or equipment for casing-in by welding plastic materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C9/00—Applying glue or adhesive peculiar to bookbinding
    • B42C9/0093—Applying glue or adhesive peculiar to bookbinding by fusing, welding sheets together
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D1/00—Books or other bound products
    • B42D1/08—Albums

Definitions

  • the invention relates to a high frequency binding process for a work consisting of PVC sheets and a cover whose exterior is not made of PVC, as well as the work obtained by implementing said process.
  • the invention relates more particularly to a method of high frequency binding of a work in which the PVC sheets are pockets such as a photo album or a document protector.
  • the conventional processes used to link works made of plastic sheets such as photo albums or document protectors are thermal welding, ultrasonic welding and high frequency welding.
  • Thermal welding has a number of drawbacks, the main one being the thickness limitation of the welded material.
  • the weld obtained may have an appearance which does not favor the marketing of the product (burr, overflow ).
  • Ultrasonic welding has the disadvantage of being able to be used only in the context of the joining of materials of the same kind. Ultrasonic welding can also have a poor quality finish, particularly when it is used to make a weld that is too thick.
  • the most suitable technique that best meets the quality requirements of the binding produced is high frequency welding.
  • This technique consists in passing a high frequency electric current through the plastic, thus allowing the fusion of this plastic material.
  • This technique can therefore only be used in the context of the welding of sheets made of a relatively conductive plastic material.
  • the high frequency technique cannot be used with many materials such as polyethylene, polypropylene, polyester and in general, all plastics which do not have enough mobile electrons on their chain to allow current to flow through. .
  • French Patent No. 2,616,380 proposes a method of manufacturing a fixed pocket binding using a cover and sheets made of the same plastic material.
  • the process is simple but the connected works obtained have several drawbacks: the fold line on which the welding is carried out between the sheets and the cover has a rough and unsightly appearance, the use of plastics to constitute the cover does not allow the decoration of it only according to a relatively limited range of processes.
  • the invention provides a method of high frequency binding of a work consisting of PVC sheets and a cover whose outside is not PVC as well as a work obtained by said process.
  • the method is characterized in that it consists of gluing a PVC sheet inside the cover, placing the stacked sheets of PVC on the cover and welding the sheets and cover at high frequency fold line by applying high-frequency welding means on either side of this fold line.
  • the welding means used are the conventional means used in the field of bookbinding and consisting of two electrodes.
  • the binding process according to the invention is carried out when the PVC sheets are arranged flat on the cover.
  • the outside of the cover is covered by paper, leather, bonded leather or fabric.
  • the PVC sheets can be in the form of pockets closed on three on their side, pockets which, during the implementation of the method and more particularly of the welding step, will be divided into two independent compartments allowing the protection of documents such as photographs.
  • the cover consists of a paper covering on the outside of two plates of rigid or semi-rigid material interrupted at the fold line and inside a sheet of PVC. This makes it possible to stiffen the cover despite the fact that the PVC sheet placed inside said cover can perform this function alone.
  • the thickness of the material constituting the exterior of the cover at the fold line is less than 3 millimeters.
  • the invention also relates to a work consisting of PVC sheets and a cover obtained by the high-frequency binding process described above, that is to say having a cover whose exterior is made of a non-weldable material. by high-frequency and whose interior consists of a PVC sheet.
  • the outside of the cover of the book according to the invention is made of paper, leather, bonded leather or fabric.
  • the cover 2 is produced by placing two cardboard dishes separated from each other at the level of the space to be joined on a sheet of glossy printed paper 3 of slightly larger size by gluing the edge of this sheet of paper onto the inner face of the cardboard dishes then by gluing on the inside 4 of the cover a PVC sheet 5.
  • a stack of PVC sheets 1 constituting pouches is placed facing the cover and flat on it.
  • the high-frequency welding means 6 are arranged on either side along the fold line 7 so as to allow the passage of the high-frequency current allowing the melting of the plastic material and the constitution of the binding. When fusing PVC, the pockets tend to straighten.
  • the resulting work has a high quality binding with a PVC interior and a printed paper cover.

Landscapes

  • Business, Economics & Management (AREA)
  • Engineering & Computer Science (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Sheet Holders (AREA)
  • Making Paper Articles (AREA)
EP19900402000 1989-07-11 1990-07-11 Zusammenfügen von PVC-Blättern zu einem Block mittels Schweissen in einem Einband, der nicht aus PVC besteht Expired - Lifetime EP0408452B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8909509 1989-07-11
FR8909509A FR2649644B1 (fr) 1989-07-13 1989-07-13 Assemblage d'un bloc de feuillets en pvc par soudure a l'interieur d'une couverture dont l'exterieur n'est pas une feuille en pvc

Publications (2)

Publication Number Publication Date
EP0408452A1 true EP0408452A1 (de) 1991-01-16
EP0408452B1 EP0408452B1 (de) 1994-10-19

Family

ID=9383795

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900402000 Expired - Lifetime EP0408452B1 (de) 1989-07-11 1990-07-11 Zusammenfügen von PVC-Blättern zu einem Block mittels Schweissen in einem Einband, der nicht aus PVC besteht

Country Status (3)

Country Link
EP (1) EP0408452B1 (de)
DE (1) DE69013421T2 (de)
FR (1) FR2649644B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106696504A (zh) * 2017-03-10 2017-05-24 李琳波 一种包书膜及其加工工艺

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB647803A (en) * 1948-02-19 1950-12-20 Louis Shenfield Improvements in or relating to printed books
FR1015952A (fr) * 1950-04-04 1952-10-29 Imprimerie Et Librairie Berger Procédé de brochure ou de reliure, et produits obtenus par ce procédé
DE1486745A1 (de) * 1966-01-13 1969-07-17 Alfred Hansper Verfahren und Vorrichtung zum Heften von Papier und/oder Kartons
FR2428514A1 (fr) * 1978-06-13 1980-01-11 Doret Sa Ets Procede d'assemblage par soudure haute frequence d'au moins deux elements non soudables en eux-memes en haute frequence, ainsi que le produit obtenu

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB647803A (en) * 1948-02-19 1950-12-20 Louis Shenfield Improvements in or relating to printed books
FR1015952A (fr) * 1950-04-04 1952-10-29 Imprimerie Et Librairie Berger Procédé de brochure ou de reliure, et produits obtenus par ce procédé
DE1486745A1 (de) * 1966-01-13 1969-07-17 Alfred Hansper Verfahren und Vorrichtung zum Heften von Papier und/oder Kartons
FR2428514A1 (fr) * 1978-06-13 1980-01-11 Doret Sa Ets Procede d'assemblage par soudure haute frequence d'au moins deux elements non soudables en eux-memes en haute frequence, ainsi que le produit obtenu

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106696504A (zh) * 2017-03-10 2017-05-24 李琳波 一种包书膜及其加工工艺

Also Published As

Publication number Publication date
FR2649644B1 (fr) 1992-06-05
EP0408452B1 (de) 1994-10-19
DE69013421T2 (de) 1995-05-18
DE69013421D1 (de) 1994-11-24
FR2649644A1 (fr) 1991-01-18

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