Preform and method of forming container therefrom

Details Preform and method of forming container therefrom Preform and method of forming container therefrom

1989-04-11

1990-05-22

Seidleck, James

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

264532, 264535, 4285428, B65D 2500, B29C 4908

Patent

active

049276808

ABSTRACT:
A blow molded container which is formed of a polyester resin which has formation and shape characteristics wherein it may be hot filled with a liquid at a temperature on the order of 180.degree.-185.degree. F. with a maximum volumetric shrinkage of no greater than 1 percent. The container is formed from a specially configurated injection molded preform which is initially stretched axially only on the order of 25 percent, after which the preform is inflated and blow molded within a blow mold to a configuration which resists vacuum collapse or paneling of the body.

REFERENCES:
patent: 4330579 (1982-05-01), Ota et al.
patent: 4406854 (1983-09-01), Yoshino
patent: 4469775 (1984-09-01), Branchadell
patent: 4618515 (1986-10-01), Collette et al.
patent: 4649068 (1987-03-01), Collette
patent: 4725464 (1988-02-01), Collette
patent: 4755404 (1988-07-01), Collette

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