Global Patent Index - EP 0071229 A3

EP 0071229 A3 19830706 - METHOD OF MAKING CONTINUOUSLY FOLDED BOXES, AND APPARATUS THEREFOR

Title (en)

METHOD OF MAKING CONTINUOUSLY FOLDED BOXES, AND APPARATUS THEREFOR

Publication

EP 0071229 A3 19830706 (DE)

Application

EP 82106743 A 19820726

Priority

DE 3129496 A 19810727

Abstract (en)

[origin: EP0071229A2] 1. Process for the continuous production of folded boxes with a stuck-in removal window of flexible foil, in particular of plastic foil, in which pre-perforated folding blanks (1) are provided with a coating of adhesive and a flexible foil perforated with the intended window opening is stuck on to the adhesive coating, characterised in that the flexible foil is drawn from a supply roll (3) as unperforated strip (2), perforated corresponding to the window opening, cut to length and then stuck on to the folding blanks (1), whereby the steps take place in operative connection with one another.

IPC 1-7

B31B 1/82

IPC 8 full level

B31B 1/82 (2006.01); B31B 50/00 (2017.01)

CPC (source: EP US)

B31B 50/00 (2017.07 - EP); B31B 50/82 (2017.07 - EP US)

Citation (search report)

Designated contracting state (EPC)

AT BE CH DE FR GB IT LI LU NL SE

DOCDB simple family (publication)

EP 0071229 A2 19830209; EP 0071229 A3 19830706; EP 0071229 B1 19851113; AT E16468 T1 19851115; DE 3129496 A1 19830210; DE 3129496 C2 19831110; DE 3267424 D1 19851219

DOCDB simple family (application)

EP 82106743 A 19820726; AT 82106743 T 19820726; DE 3129496 A 19810727; DE 3267424 T 19820726