Liner for dispensing container

Details Liner for dispensing container Liner for dispensing container

1992-02-03

1993-08-03

Kashnikow, Andres

Dispensing

Collapsible wall-type container

With wall-collapsing means

2223865, B65D 3428

Patent

active

052321266

ABSTRACT:
Liner for dispensing container, especially a self-pressurized container of the non-aerosol type. The liner is preferably plastic but not elastomeric, and is radially expandable and longitudinally essentially inextensible. The liner has an open end, a closed end, a sidewall extending from the open end to the closed end and a tip at the closed end. The liner has 12 to 20 side by side longitudinally extending pleats which form alternating peaks and valleys, with an acute apex angle not greater than 70.degree. at each peak. The pleats extend through the mid-section and the lower portion of the liner. The lower portion is tapered. The liner is about 0.1 to 0.3 inches thick at the tip. The average sidewall thickness is about 0.010 to about 0.02 inch over substantially the entire length of the sidewall. The liner as formed is pleated and has memory so that it returns to the pleated state when unstressed.

REFERENCES:
patent: 3731854 (1973-05-01), Casey
patent: 4387833 (1983-06-01), Venus, Jr.
patent: 4423829 (1984-01-01), Katz
patent: 4964540 (1990-10-01), Katz
patent: 5111971 (1992-05-01), Winer

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