SEALED DOOR LEVELING SYSTEM
United States Patent 3488883
US Patent References:
Vulcanizer head
- - 1688570
Closure
- - 2108238
High-pressure steam kiln
- - 2583073
Closure for pressure vessels
- - 2601936
Hinge
- - 2941236
Vulcanizer head
- - 1688570
Closure
- - 2108238
High-pressure steam kiln
- - 2583073
Closure for pressure vessels
- - 2601936
Hinge
- - 2941236
Inventors:
Clements, Harry Ernst
Piegza, John H.
Piegza, John H.
Publication Date:
01/13/1970
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Export Citation:
Assignee:
WELDING & STEEL FABRICATION CO
Primary Class:
Other Classes:
220/817, 220/298, 220/291
International Classes:
F16J13/12; F16J13/20; F16J13/00; B65D43/16