Process for producing resin molded article having diminished res

Details Process for producing resin molded article having diminished res Process for producing resin molded article having diminished res

1992-01-08

1993-11-09

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Utilizing plasma, electric, electromagnetic, particulate, or...

264 25, 264235, 264346, B29C 7102, B29C 7104

Patent

active

052599990

ABSTRACT:
A process for producing a resin molded article having a diminished residual stress, which includes heating an injection-molded article of a thermoplastic resin by means of a combination of far infrared radiation with far infrared ray having a frequency of from 10.sup.11 to 10.sup.14 Hz and hot-air flow, thereby to diminish a residual stress in the molded article in a short period of time.

REFERENCES:
patent: T909018 (1973-04-01), Siclari et al.
patent: 3555135 (1971-01-01), Paul
patent: 3761562 (1973-09-01), Skelham
patent: 4128379 (1978-12-01), Hartitz et al.
patent: 4339303 (1982-07-01), Frisch et al.
patent: 4594204 (1986-06-01), Heidenreich et al.
Patent Abstracts of Japan, abstract of JP-A 61-032 419 Mitsubishi Electric Corp.

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