EP 0274285 B1 19910703 - VALVE ASSEMBLY FOR A VACUUM PACKAGE
Title (en)
VALVE ASSEMBLY FOR A VACUUM PACKAGE
Publication
Application
Priority
EP 87400040 A 19870109
Abstract (en)
[origin: EP0274285A1] - A vacuum valve for a container, produced as a single piece of plastic material and comprising a base (1) delimiting an orifice (2) and a stopper (3) intended to close the said orifice (2) and attached to the said base by means of a connection tongue (4) joined to the periphery of the said base. - This valve is characterised in that the said base (1) comprises a peripheral zone (5) which is provided in order to be welded onto the said package, and in that that part of the said peripheral zone (5) which is covered by the said connection tongue, folded over when the stopper is housed in the said orifice (2), comprises a recess (24) enabling the corresponding part (4A) of the said connection tongue (4) to be received at least partially therein. - Production of a weldable valve which is simple and easy to manufacture. <IMAGE>
IPC 1-7
IPC 8 full level
B65D 47/08 (2006.01); B65D 79/00 (2006.01); B65D 79/02 (2006.01); B65D 81/20 (2006.01)
CPC (source: EP US)
B65D 47/0842 (2013.01 - EP); B65D 79/0087 (2020.05 - EP US); B65D 79/02 (2013.01 - EP); B65D 81/2038 (2013.01 - EP); B65D 2251/1016 (2013.01 - EP); B65D 2251/20 (2013.01 - EP)
Designated contracting state (EPC)
AT BE CH DE ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0274285 A1 19880713; EP 0274285 B1 19910703; AT E64914 T1 19910715; DE 3771195 D1 19910808; ES 2022903 B3 19911216; GR 3002248 T3 19921230
DOCDB simple family (application)
EP 87400040 A 19870109; AT 87400040 T 19870109; DE 3771195 T 19870109; ES 87400040 T 19870109; GR 910400486 T 19910704