EP 0215394 B1 19891123 - APPARATUS AND METHOD FOR PRODUCING BAGS
Title (en)
APPARATUS AND METHOD FOR PRODUCING BAGS
Publication
Application
Priority
US 52892683 A 19830902
Abstract (en)
[origin: EP0215394A1] This application discloses an apparatus for perforating a plurality of web segments provided with holes received on stacking posts serving to retain the segments in a stack. The apparatus comprises a pair of simultaneously operable linear actuators (68) mounted on a support (70) located above the stack and through which support the output rods (74) project, a crosshead (76) fixed to the actuator rods, means (94) carried by said crosshead for compressing the stack, and means (84) also carried by said crosshead for perforating the stack, while compressed, to provide a line of weakness to facilitate separation of a portion of each web segment.
IPC 1-7
IPC 8 full level
B31B 1/96 (2006.01); B31B 1/98 (2006.01); B31B 19/98 (2006.01); B31B 50/96 (2017.01); B31B 50/98 (2017.01)
CPC (source: EP US)
B31B 70/00 (2017.07 - EP); B31B 70/16 (2017.07 - EP US); B31B 70/984 (2017.07 - EP); B31B 2160/10 (2017.07 - EP US)
Designated contracting state (EPC)
BE DE FR GB IT
DOCDB simple family (publication)
EP 0215394 A1 19870325; EP 0215394 B1 19891123; AU 3147584 A 19850307; AU 570707 B2 19880324; BR 8404370 A 19850730; CA 1225856 A 19870825; DE 3470012 D1 19880428; EP 0134711 A2 19850320; EP 0134711 A3 19850417; EP 0134711 B1 19880323; ES 535585 A0 19850601; ES 8505582 A1 19850601; GB 2145658 A 19850403; GB 2145658 B 19880629; GB 2179887 A 19870318; GB 2179887 B 19880615; GB 8420542 D0 19840919; GB 8620452 D0 19861001; JP H0649346 B2 19940629; JP S6076331 A 19850430
DOCDB simple family (application)
EP 86112290 A 19840813; AU 3147584 A 19840803; BR 8404370 A 19840831; CA 461154 A 19840816; DE 3470012 T 19840813; EP 84305500 A 19840813; ES 535585 A 19840831; GB 8420542 A 19840813; GB 8620452 A 19860822; JP 18083884 A 19840831