Plastic article or earthenware shaping or treating: apparatus – Preform reshaping or resizing means: or vulcanizing means... – Including both heating and cooling means
Patent
1997-04-23
1999-09-28
Davis, Robert
Plastic article or earthenware shaping or treating: apparatus
Preform reshaping or resizing means: or vulcanizing means...
Including both heating and cooling means
425388, B29C 5110, B29C 5142
Patent
active
059584700
ABSTRACT:
A vacuum forming process and related apparatus are disclosed. The vacuum forming process and apparatus can be used for molding a thin sheet of thermoformable plastic into an accurate three-dimensional relief reproduction of an original artwork such that the plastic sheet carries a permanent image of the original work.
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Harding Glenn T.
Harding William D.
Liddle William
Davis Robert
Hallmark Cards Incorporated
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