RELEASABLE SEALING DEVICE

摘要

1447708 Dispensing liquids EDELEANU GmbH 23 Jan 1974 [25 Jan 1973] 03202/74 Heading A4T [Also in Divisions B8 and F2] A device for controlling vapour escape whilst a liquid is being fed to an inlet 5 through a filling pipe 1 comprises an annular portion 2 leading to a vapour outlet 8 and an elastic sealing member 4 for engaging the inlet 5. The sealing member 4 may be inflatable through an inlet line 7, or may comprise a generally frusto-conical resilient member, Fig. 2 (not shown), connected between the portion 2 and a duct 6 to define an inflatable space.