Closure assemblies
United States Patent 2982437
US Patent References:
Cover for high pressure liquefiers
- - 1958923

Closure locking device
- - 2338622

Tank closure fastener
- - 2655397

Adjustable ring clamp
- - 2689141


Inventors:
Thomas, Wheatley
Publication Date:
05/02/1961
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Assignee:
MISSION MFG COMPANY
Primary Class:
220/324
Other Classes:
292/256.670
International Classes:
F16J13/06; F16J13/00
Foreign References:
CH74742A