System for molding laminated articles of a thermoplastic resin
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United States of America Patent
Stats
-
May 10, 1994
Grant Date -
N/A
app pub date -
Apr 10, 1992
filing date -
Apr 23, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A resin article is made between an outer concave mold part and an inner convex mold part that can fit together so that respective surfaces form a substantially closed mold cavity. This is done by first lining the surface of the outer mold part with a liner sheet and then fitting the lined outer mold part to the inner mold part to form the substantially closed mold cavity. A portion of the surface of the inner mold part is positioned to form a pocket open inward into the cavity and this pocket is filled with a mass of fluent synthetic resin. The surface portion is then pressed inward while the parts are fitted together and without otherwise relatively moving the mold parts to force the resin mass from the pocket into the cavity until the inner-part surface portion lies substantially flush with the rest of the inner-part surface.
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