Curved semi-rigid plastic rib closure for flexible containers

Details Curved semi-rigid plastic rib closure for flexible containers Curved semi-rigid plastic rib closure for flexible containers

1990-02-22

1991-12-17

Huppert, Michael S.

Dispensing

With recorder, register, indicator, signal or exhibitor

Audible

222212, 222484, 222494, B67D 532

Patent

active

050728555

ABSTRACT:
A self-closing squeeze container. A resilient curved plastic rib of a degree of flexibility which is used to tighten the mouth of the container with a suitable resilient return force of the rib. The rib is fastened to the ends of the mouth to keep the mouth closed under its own tension which can be overcome when the container is squeezed by hand strongly enough to flex the rib but not enough to stretch the mouth. This is done by using the force needed to retain the rib's resistance to being straightened out. Examples are given in collapsible and stand-up flexible containers including flip-top types, smooth-opening types, and audible, including audible-"snap"-action, varieties using the idea.

REFERENCES:
patent: 2181430 (1939-11-01), Hudson
patent: 2947448 (1960-08-01), Maddux
patent: 3486666 (1969-12-01), Herzig
patent: 3635376 (1972-01-01), Hellstrom
patent: 4124150 (1978-11-01), Moss
patent: 4592493 (1986-06-01), Smith
patent: 4836415 (1989-06-01), Grussmark
patent: 4928852 (1990-05-01), Guiffray

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