Receptacles – Closures – Having means for securing or retaining closure in its closed...
Patent
1981-12-03
1983-10-25
Hall, George T.
Receptacles
Closures
Having means for securing or retaining closure in its closed...
220328, 220378, B65D 4500
Patent
active
044113722
ABSTRACT:
A lid for a pressure vessel which is seamless and which includes a peripheral groove in an outer surface formed by deforming the material of the lid, for example by a swaging process. The groove accommodates a seal, such as an O-ring.
REFERENCES:
patent: 2793787 (1957-05-01), Lescure
patent: 3187929 (1965-06-01), Shaw, Jr.
Basterfield Ernest P.
Basterfield Parker L.
Chern Developments Limited
Hall George T.
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