Plastic article or earthenware shaping or treating: apparatus – Preform reshaping or resizing means: or vulcanizing means... – Including shaping means comprising fluid pressure contacting...
Patent
1979-10-01
1981-07-28
Silbaugh, Jan H.
Plastic article or earthenware shaping or treating: apparatus
Preform reshaping or resizing means: or vulcanizing means...
Including shaping means comprising fluid pressure contacting...
264316, 425389, 425DIG19, 425DIG44, B29C 1704
Patent
active
042808049
ABSTRACT:
A vacuum tool for a vacuum bagging curing operation comprising a base on which is placed a one piece vacuum bag comprising a top sheet with a peripheral sealing means attached thereto which cooperate to seal the bag in a zipper-like fashion, thus enclosing workpiece therein for the vacuum curing operation. A vacuum manifold is attached to the base to connect the tool to a vacuum pump to create a vacuum between the base and bag.
REFERENCES:
patent: 2441097 (1948-05-01), Hicks
patent: 3146148 (1964-08-01), Mitchella et al.
patent: 3334383 (1967-08-01), Irvine
patent: 3666600 (1972-05-01), Yoshino
patent: 4117875 (1978-10-01), Hickey
patent: 4149578 (1979-04-01), Hickey
General Dynamics
Gilliam Frank D.
Silbaugh Jan H.
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