Method of removing blemishes in compression molded articles

Details Method of removing blemishes in compression molded articles Method of removing blemishes in compression molded articles

1997-04-21

1999-09-28

Loney, Donald

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

428328, 428357, 264 453, 264118, 264319, 215200, B32B 516, B27N 318, B65B 728

Patent

active

059585870

ABSTRACT:
A method of compression molding a closure having a base wall and peripheral skirt with internal threads, a thermoplastic resin blended with metallic particles wherein the particles are added in elliptical or spherical form. The metallic particles are provided in a carrier of resin which is then blended with the resin of the closure and the melt blend is extruded through a nozzle and cut into individual pellets. Each pellet is deposited into the cavity of a mold which is then closed to compression mold a closure.

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patent: 5397610 (1995-03-01), Odajima et al.
patent: 5468540 (1995-11-01), Lu

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