Plastic and nonmetallic article shaping or treating: processes – With severing – removing material from preform mechanically,... – Flash or sprue removal type
Patent
1996-11-05
2000-09-05
Heitbrink, Jill L.
Plastic and nonmetallic article shaping or treating: processes
With severing, removing material from preform mechanically,...
Flash or sprue removal type
264257, 2643281, 26432815, 26432816, 425543, 425549, B29C 4514, B29C 4572
Patent
active
061138274
ABSTRACT:
An apparatus and method for molding and curing silicone includes a press, one nozzles operatively engaged to the press, a liquid cooled manifold plate disposed to cool the nozzles, a heatable top platen having nozzle receptacles therein to receive the nozzles therein and a mold plate having a mold cavity therein. The mold plate and top platen are oriented for placement in the injecting position to allow the top platen to contact the mold plate while the nozzles are inserted into the nozzle receptacles of the top platen so that silicone is injected into the mold plate and into the mold cavity. The apparatus may be placed in the curing position when the top platen is heated and contacts the mold plate to allow silicone injected in mold plate to cure. The apparatus may be placed in a home position where the mold plate is uncontacted by the heated top platen which is uncooled by the manifold plate in the home position.
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