Hot fill plastic container with invertible vacuum collapse surfa

Details Hot fill plastic container with invertible vacuum collapse surfa Hot fill plastic container with invertible vacuum collapse surfa

1991-03-18

1992-08-25

Weaver, Sue A.

Bottles and jars

Closures

Cap type

215 1C, 220675, 220771, B65D 140, B65D 2310

Patent

active

051411210

ABSTRACT:
A hot-fill PET container which includes opposed hand grip sections in the sidewall enabling the container to be grasped between the thumb and fingers of one hand to facilitate handling of the container and pouring of liquid from the container. Each hand grip section includes an outwardly bulged surface having an outside edge and an integral hinge enabling opposite bulged surfaces to invert and collapse inwardly toward each other to accommodate internal forces tending to collapse the container sidewall inwardly due to filling of the container with liquid at an elevated temperature and subsequent cooling of the liquid.

REFERENCES:
patent: 4205788 (1989-02-01), Akiho
patent: 4381061 (1989-04-01), Cerny et al.
patent: 4804097 (1989-02-01), Alberghini et al.
patent: 4863046 (1989-09-01), Collette et al.
patent: 4877141 (1989-10-01), Hayashi et al.
patent: 4890752 (1990-01-01), Ota et al.
patent: 4946053 (1990-08-01), Conrad
patent: 4993565 (1991-02-01), Ota et al.

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