Pressurized portable elastic membrane liquid container

Details Pressurized portable elastic membrane liquid container Pressurized portable elastic membrane liquid container

1979-11-19

1982-04-20

Scherbel, David A.

Dispensing

Resilient wall

With container handle or handgrip

222215, B65D 3700

Patent

active

043254985

ABSTRACT:
In a preferred embodiment, a pressurized portable elastic membrane liquid container having an expandable circular elastic membrane of which a central location thereof has an integrally molded handle extending upwardly and a boss of increased thickness of the membrane extending downwardly from a bottom face of the membrane from beneath the handle, with the boss extending radially outwardly from said central location for a distance of about one-half radius of the circular elastic membrane, and with an additional boss in the form of a circular ridge extending upwardly from a top surface of the membrane with the ridge extending above a plurality of mold injection points located in juxtaposition to an outer periphery of said circular elastic membrane, the membrane being of polyisopreme base rubber and including an ozone inhibitor.

REFERENCES:
patent: 3880323 (1975-04-01), Viehe
patent: 3929262 (1975-12-01), Viehe
patent: 3989170 (1976-11-01), Viehe
Plastics Engineering Handbook, Frados; Van Nostrand Reinhold Co., N.Y., 1976, pp. 116, 117 and 646-649.
Plastics Materials, Brydson; Newnes-Butterworths, London, 1975, pp. 129, 242, 243.

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