Process for producing molded articles with uneven pattern

Details Process for producing molded articles with uneven pattern Process for producing molded articles with uneven pattern

1988-10-06

1990-02-06

Lowe, James

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

264132, 264247, 264259, B29C 4514

Patent

active

048987069

ABSTRACT:
A process for producing a synthetic resin molded article having a pattern formed on its uneven surface, which comprises fitting a patterned film or sheet to a mold and injecting a thermoplastic resin, wherein said mold has engraved therein such an unevenness that said patterned film or sheet undergoes extension of from 5 to 120% upon resin injection, and said patterned film or sheet is a polycarbonate film or sheet having a thickness of from 0.1 to 1 mm. The resulting molded article has a clearly outlined pattern on the uneven surface.

REFERENCES:
patent: 3122598 (1964-02-01), Berger
patent: 3176057 (1965-03-01), Peters et al.
patent: 4016235 (1977-04-01), Ferro

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