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
1989-02-22
1990-01-23
Silbaugh, Jan H.
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
264 37, 264255, 264301, 264310, B29B 1700, B29C 3912
Patent
active
048956902
ABSTRACT:
Apparatus and a process for manufacturing plastic shells having decorative features thereon includes a method for casting thermoplastic material against a heated mold by use of a combination mask and container unit (hereinafter referred to as the combination unit) that is joined to a known heated mold to deposit a first semi-cured deposit on the mold from supplies of material in the combination mask and container; the mask is configured to have a plurality of wire reinforced foot portions with sealing edges configured to be aligned with the sharp edges of recesses in the mold surface defining the decorative feature; when the combination unit is inverted it casts material only on the recesses to form a semi-fused deposit of a first color. The combination unit is separated from the mold which is then processed to a higher fusion temperature and a base layer of contrasting thermoplastic material is cast thereon to be bonded to the recess material prior to cooling and stripping the mold.
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Gray John D.
LaRoche Wayne D.
Davidson Textron Inc.
Evans John C.
Kutach Karen D.
Silbaugh Jan H.
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