Plastic article or earthenware shaping or treating: apparatus – Shaping surface including means to release or remove product... – By means releasing article from interiorly placed shaping...
Patent
1979-03-19
1980-09-30
Hoag, W. E.
Plastic article or earthenware shaping or treating: apparatus
Shaping surface including means to release or remove product...
By means releasing article from interiorly placed shaping...
425441, 425471, B29C 1304, B29C 2300, B29C 116
Patent
active
042253020
ABSTRACT:
The mandrel includes a generally cylindrical but tapered outer molding surface for forming a sidewall portion of a tank from thermosetting resin and reinforcing material deposited thereon and a tank bottom mold for forming a bottom portion of the tank integrally with the sidewall portion. The tank bottom mold is shiftable to strip a completed tank from the tapered molding surface.
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Brooks Julius C.
Pfeifer Kenneth D.
Sommerkamp Robert M.
Hoag W. E.
Hudgens Ronald C.
Owens-Corning Fiberglas Corporation
Rose Paul J.
Wetmore Kenneth H.
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