EP 0868997 A2 19981007 - A device for the proper and free stacking of welded bags in a welding machine
Title (en)
A device for the proper and free stacking of welded bags in a welding machine
Title (de)
Vorrichtung zum korrekten und freien Stapeln verschweisster Beutel in einer Schweissmaschine
Title (fr)
Dispositif pour empiler proprement et anti-adhésif des sacs soudés d'une machine à soudage
Publication
Application
Priority
IT MI970674 A 19970324
Abstract (en)
A device for the proper and free stacking of welded bags in a welding machine (11), wherein the welding machine comprises at least a pair of opposed rolls (13) which feed a plastic tubular material (12), an upper welding device (15) and a lower welding device (16) which cooperate to execute the transverse welding of the plastic tubular material (12), a support (20) for stacking the welded bags (21) as they come out from the two welding devices (15, 16), said support (20) is positioned downstream of the welding devices and it carries needles (22) on which the bags (21, 21') are steadily positioned by means of a small upper press (23), said device comprises a driven transverse displacement element (25) which acts on the single bag (21') to be welded, and causes the backing of one of the free front end (27) of the bag, said displacement element (25) is positioned between the two welding devices (15, 16) and the support (20) and it acts every second bag, in order to displace one bag from the next one (21, 21'). <IMAGE>
IPC 1-7
IPC 8 full level
B31B 19/98 (2006.01)
CPC (source: EP US)
B31B 70/00 (2017.07 - EP); B31B 70/984 (2017.07 - EP US); B31B 2160/10 (2017.07 - EP US)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0868997 A2 19981007; EP 0868997 A3 19991229; EP 0868997 B1 20020619; DE 69806083 D1 20020725; DE 69806083 T2 20030116; IT 1290812 B1 19981211; IT MI970674 A1 19980924
DOCDB simple family (application)
EP 98200871 A 19980320; DE 69806083 T 19980320; IT MI970674 A 19970324