Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Producing multilayer work or article
Patent
1996-03-19
1997-09-16
Timm, Catherine
Plastic and nonmetallic article shaping or treating: processes
Direct application of fluid pressure differential to...
Producing multilayer work or article
425388, 425384, B29C 5110, B29C 5142
Patent
active
056677472
ABSTRACT:
A vacuum forming process is provided for molding a thin sheet of thermoformable plastic into an accurate three-dimensional relief reproduction of an original artwork. The sheet of plastic has printed on one side thereof a permanent image of the original artwork. The process comprises:
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Harding Glenn T.
Harding William D.
Liddle William
Harding Product Supply Ltd.
Timm Catherine
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