Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Patent
1992-05-21
1994-03-01
Aftergut, Karen
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Shaping against forming surface
264302, 264304, 264310, 425256, 425425, 425435, 425447, 425DIG47, B29C 3302, B29C 4104, B29C 4118, B29C 4146
Patent
active
052904997
ABSTRACT:
An apparatus (10) for molding a thin-wall plastic shell includes a powder box (12) and a mold box (14). The powder box (12) is positioned to an operative position wherein an opening (18) in the powder box (12) is brought in proximity to the mold surface (20) of the mold. A contoured selective charge application panel (36) has a gasket (30) about the end thereof and the selective charge application panel (36) is extended vertically from the opening (18) at variable heights to perfect a sealed surface at the opening (18) and the periphery (22) of the mold surface (20) to mask vertically extending waste surfaces (14a, 14b).
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Aftergut Karen
Davidson Textron Inc.
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