Title: Containers

Abstract: This invention is a seal for a moulded plastics container for pressurised fluid, consisting of a resilient flap normally held closing an opening in the container wall by its resilience and by pressure differential. The container can be made by a compression moulding process in which the moulds are progressively closed after the material is injected.

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Inventors: Gauntlett, John Harry (Tadworth, UK)

Application Number: 382735
Filing Date: 1973-07-26
Publication_date: 1976-02-03
Assignee:
Primary Class(es): 222/490 222/511
Other Classes:
US Patent Ref:

2316516	Apr, 1943	Hammerstein	222/490.
3610477	Oct, 1971	Herzig	222/213.
3646856	Sep, 1972	Worndl	229/62.
3647386	Mar, 1972	Gilford	229/62.

Other Refs: 446,248

Jan, 1935	UK

Primary Examiner: Reeves, Robert B.
Assistant Examiner: Shannon, John P.
Attorney: Watson, Cole, Grindle & Watson