Shrinkage reduction of blow molded oriented pet bottle

Details Shrinkage reduction of blow molded oriented pet bottle Shrinkage reduction of blow molded oriented pet bottle

1980-09-18

1983-10-25

Silbaugh, Jan H.

Plastic article or earthenware shaping or treating: apparatus

Means applying electrical or wave energy directly to work

Radiated energy

425526, 425445, 432 77, 432124, B29C 2500

Patent

active

044116101

ABSTRACT:
A process and apparatus for heat setting side walls of biaxially oriented thermoplastic resin containers to reduce shrinkage of the container and container treated by the process. Heating is by infrared radiation while shielding portions of the container. The apparatus comprises container handling systems to provide a fully automated system capable of being incorporated in present container production lines.

REFERENCES:
patent: 2331702 (1943-10-01), Kopitke
patent: 2336822 (1943-12-01), Wadman
patent: 4036927 (1977-07-01), Stolki
patent: 4076071 (1978-02-01), Rosenkranz et al.
patent: 4219526 (1980-08-01), Mennert
patent: 4233022 (1980-11-01), Brady et al.
patent: 4264558 (1981-04-01), Jacobsen

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