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

1979-02-26

1981-04-07

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

215 1C, 264 85, 264519, 264572, 264235, 264346, 4251744, 425445, B29C 2500

Patent

active

042605679

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: 3291877 (1966-12-01), Clement
patent: 3555135 (1971-01-01), Paul
patent: 3849530 (1974-11-01), Wyeth et al.
patent: 4025594 (1977-05-01), Agrawal
patent: 4039641 (1977-08-01), Collins
patent: 4144298 (1979-03-01), Lee
patent: 4164298 (1979-08-01), Nishikawa et al.

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