Plastic vent valve for containers

Details Plastic vent valve for containers Plastic vent valve for containers

1998-02-17

1999-06-01

Cronin, Stephen K.

Receptacles

Closures

With condition responsive vent or valve

220303, 220374, 220370, 22020328, B65D 5116

Patent

active

059081295

ABSTRACT:
A plastic vent valve (1) for containers for transporting and storing liquids has a cylindrical valve housing(2) which is made as a threaded plug (3) and is screwed onto a screw cover (8) for closing an opening of a plastic inner container of a palletized container. The valve has a valve membrane (4), a surge disk (5), a surge cover (6), and a sealing cap (7).

REFERENCES:
patent: 2622762 (1952-12-01), Parsons
patent: 3179122 (1965-04-01), Wasdell
patent: 4091179 (1978-05-01), Szabo
patent: 4136796 (1979-01-01), Dubois et al.
patent: 4922954 (1990-05-01), Blomquist et al.
patent: 5152419 (1992-10-01), Yanagi
patent: 5388615 (1995-02-01), Edlund et al.
patent: 5499654 (1996-03-01), Shefte
patent: 5649639 (1997-07-01), Dolvet et al.

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