Plastic article or earthenware shaping or treating: apparatus – Preform reshaping or resizing means: or vulcanizing means... – Including product handling means
Patent
1990-10-25
1992-12-22
Woo, Jay H.
Plastic article or earthenware shaping or treating: apparatus
Preform reshaping or resizing means: or vulcanizing means...
Including product handling means
156425, 156446, 249163, 249177, 249210, 425470, B29C 3348
Patent
active
051733153
ABSTRACT:
A tool for using in aligning, fastening, supporting, and sealing adjacent sections of a mandrel having a curved outer surface is provided. This tool has a T-shaped cross section and includes a leg section that has a composite sheet extending through the middle of it and a top section that is integral with said leg section. The top section has a pair of grooves therein spaced apart from each other along the length of the tool where O-ring means fits in the grooves and seals the adjacent section of the mandrel gas tight.
REFERENCES:
patent: 4213641 (1980-07-01), Bennett
patent: 4364894 (1982-12-01), Mayumi et al.
patent: 4448628 (1984-05-01), Stott
patent: 4459171 (1984-07-01), McKinney
patent: 4492607 (1985-01-01), Halcomb
patent: 4786343 (1988-11-01), Hertzberg
Charlson Sandra M.
Kotula Steven J.
McCloy Michael R.
Davis Robert B.
Edwards David
Hercules Incorporated
Woo Jay H.
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