Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Patent
1994-04-28
1995-09-05
Housel, James C.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
To produce composite, plural part or multilayered article
26433111, 249156, B41B 1160
Patent
active
054476755
ABSTRACT:
A thermoplastic mold for creating large sheets of building materials from recycled plastic. The mold is adapted to be used with a platen press, and has an adjustment feature for defining a mold cavity of a selected thickness. A pair of shims are preferably used to establish the mold cavity, wherein the cavity has a depth identical to the thickness of the shims. The top member or lid of the mold has an integrally defined passageway for allowing a cooling fluid to be circulated therethrough to cool the mold after a molding process. In the one embodiment, the lid has a pair of flanges extending over and engaging the shims, and an alternative embodiment the lid comprises a rectangular plate having handles defined at selected locations in the upper surface for facilitating removal of the lid from mold recess. The sheets can be colored on one or both sides by inserting a thin sheet of colored thermoplastic material in the mold prior to pressing.
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Housel James C.
Pyon Harold Y.
Recycled Plastics, Inc.
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