Injection mold dwell cycle

Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Differential temperature conditioning

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264537, 425526, B29C 1707

Patent

active

043829058

ABSTRACT:
Method for the preparation of oriented hollow articles of moldable organic plastic material which is characterized by a rapid operating cycle and a final article free from objectionable capacity. The disclosure teaches an injection molding station for controlled removal of parisons after altering the heat content thereof under conditions avoiding crystallization and thereby freeing the injection station for the formation of a second parison.

REFERENCES:
patent: 4116606 (1978-09-01), Valyi
patent: 4261949 (1981-04-01), Spurr et al.
patent: 4313905 (1982-02-01), Haffle

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