EP 0132715 A3 19860219 - CLOSURE HAVING A DEGASSING VALVE
Title (en)
CLOSURE HAVING A DEGASSING VALVE
Publication
Application
Priority
DE 8321798 U 19830729
Abstract (en)
[origin: EP0132715A2] 1. A seal (1) with a degassing valve for the filling and extraction apertures of fluid containers, a gas-permeable micro filter laminar disk (2) being secured by its outer edge surface inside an annular groove of the seal (1) below the degassing aperture, which is open on the outside, characterised in that the free space rising behind the disk fixing (5) is reduced in cross sectional area in the form of steps towards the centre line of the seal (1) ; forming an upper ring surface (3), the inner ring edge (6) of the surface (3) forming the lower aperture edge of the degassing aperture (4) and limiting the convex curvature of the valve disk (2).
IPC 1-7
IPC 8 full level
B65D 51/16 (2006.01)
CPC (source: EP)
B65D 51/1616 (2013.01); B65D 51/1644 (2013.01)
Citation (search report)
- [Y] GB 1146972 A 19690326 - POROUS PLASTICS LTD
- [Y] GB 952724 A 19640318 - SERVEL INC
Designated contracting state (EPC)
AT BE CH FR GB LI NL
DOCDB simple family (publication)
EP 0132715 A2 19850213; EP 0132715 A3 19860219; EP 0132715 B1 19871223; AT E31518 T1 19880115; DE 8321798 U1 19831201
DOCDB simple family (application)
EP 84108207 A 19840712; AT 84108207 T 19840712; DE 8321798 U 19830729