Process for making grained and foamed plastic article

Details Process for making grained and foamed plastic article Process for making grained and foamed plastic article

1990-10-16

1992-01-07

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264 77, 264115, B29C 4320

Patent

active

050789333

ABSTRACT:
A grained and foamed plastic article is fabricated by forming foamed plastic grains which are then covered with coating layers with a color different from that of the grains. The coated grains are then formed into a desired shape by heating them under pressure. The grained pattern formed thereby includes clear grain boundary lines which enhance the esthetic effect of the formed article.

REFERENCES:
patent: 2044585 (1936-06-01), Macht
patent: 3940464 (1976-02-01), Davis
patent: 3961839 (1976-07-01), Taylor
patent: 4031179 (1977-06-01), Tatzel et al.
patent: 4923657 (1990-05-01), Gembinski et al.

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