EP 0408452 B1 19941019 - Assembling a block of PVC sheets by welding inside a cover which is not made of PVC.
Title (en)
Assembling a block of PVC sheets by welding inside a cover which is not made of PVC.
Title (de)
Zusammenfügen von PVC-Blättern zu einem Block mittels Schweissen in einem Einband, der nicht aus PVC besteht.
Title (fr)
Assemblage d'un bloc de feuillets en PVC par soudure à l'intérieur d'une couverture qui n'est pas en PVC.
Publication
Application
Priority
FR 8909509 A 19890713
Abstract (en)
[origin: EP0408452A1] The invention relates to a process for the high-frequency binding of a product consisting of PVC sheets and of a cover, the outside of which is not made of PVC, and to the product obtained by carrying out the said process. The process involves bonding a PVC sheet (5) inside the cover, arranging the stacked PVC sheets (1) on the cover (2) and welding the sheets (1) and cover by high frequency in the region of a folding line (7) by applying high-frequency welding means (6) on either side of this folding line (7). The invention is especially suitable for producing photograph albums or document holders. <IMAGE>
IPC 1-7
IPC 8 full level
B42C 9/00 (2006.01); B42C 11/06 (2006.01); B42D 1/08 (2006.01)
CPC (source: EP)
B42C 9/0093 (2013.01); B42C 11/06 (2013.01); B42D 1/08 (2013.01)
Designated contracting state (EPC)
BE DE ES IT
DOCDB simple family (publication)
EP 0408452 A1 19910116; EP 0408452 B1 19941019; DE 69013421 D1 19941124; DE 69013421 T2 19950518; FR 2649644 A1 19910118; FR 2649644 B1 19920605
DOCDB simple family (application)
EP 90402000 A 19900711; DE 69013421 T 19900711; FR 8909509 A 19890713