Global Patent Index - EP 0135734 B1

EP 0135734 B1 19870715 - METHOD AND DEVICE FOR CANCELLING THE BLOCKING OF PUNCHED-BAG STACKS

Title (en)

METHOD AND DEVICE FOR CANCELLING THE BLOCKING OF PUNCHED-BAG STACKS

Publication

EP 0135734 B1 19870715 (DE)

Application

EP 84109183 A 19840802

Priority

DE 3331069 A 19830829

Abstract (en)

[origin: ES8505289A1] To undo the interconnection caused at cut edges of stacks of plastics bags that have been stamped, at least those zones of each stack where stamping has taken place are continuously bent over at least one supporting edge by being pulled thereover.

IPC 1-7

B31B 1/74

IPC 8 full level

B31B 1/74 (2006.01); B31B 50/00 (2017.01); B31B 50/94 (2017.01)

CPC (source: EP US)

B31B 50/00 (2017.07 - EP US); B31B 70/16 (2017.07 - EP US); B31B 70/142 (2017.07 - EP US); B31B 70/988 (2017.07 - EP US); Y10T 29/49822 (2015.01 - EP US); Y10T 29/53683 (2015.01 - EP US); Y10T 225/336 (2015.04 - EP US)

Designated contracting state (EPC)

BE FR GB IT NL SE

DOCDB simple family (publication)

EP 0135734 A1 19850403; EP 0135734 B1 19870715; CA 1223900 A 19870707; DE 3331069 A1 19850314; DE 3331069 C2 19881110; DK 409884 A 19850301; DK 409884 D0 19840828; ES 535468 A0 19850516; ES 8505289 A1 19850516; JP S6072722 A 19850424; US 4589183 A 19860520

DOCDB simple family (application)

EP 84109183 A 19840802; CA 461545 A 19840822; DE 3331069 A 19830829; DK 409884 A 19840828; ES 535468 A 19840828; JP 17652484 A 19840824; US 64428084 A 19840827