Process for annealing thermoplastically-shaped plastics parts

Details Process for annealing thermoplastically-shaped plastics parts Process for annealing thermoplastically-shaped plastics parts

1984-09-24

1986-06-10

Thrulow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264235, 264346, 4251744, B29C 3508

Patent

active

045942048

ABSTRACT:
The present invention reduces within a short period of time the internal stresses in plastics bottles by annealing with infra-red radiation, in particular by specifically exposing critical points to radiation.

REFERENCES:
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patent: 3317642 (1967-05-01), Bailey
patent: 3326854 (1967-06-01), Jackson et al.
patent: 3445561 (1969-05-01), Huff et al.
patent: 4076071 (1978-02-01), Rosenkranz et al.
patent: 4079104 (1978-03-01), Dickson et al.
patent: 4260567 (1981-04-01), Poppe et al.
patent: 4264558 (1981-04-01), Jacobsen
patent: 4379099 (1983-04-01), Ota et al.
patent: 4482518 (1984-11-01), Brady, Jr.

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