Self-contained fluid dispenser

Details Self-contained fluid dispenser Self-contained fluid dispenser

1981-09-08

1984-05-08

Scherbel, David A.

Dispensing

Collapsible wall-type container

Plural container and/or compartment

222131, 2223865, 222183, 220 85B, B67D 506, B67D 1100

Patent

active

044469918

ABSTRACT:
A self-contained fluid dispenser comprising an elongated tubular expandable unit of elastomeric material having a closed end and an opposite open end, the open end being provided with a neck piece having a recess for sealingly supporting a valve and valve support plate, the material around said recess being thickened to prevent significant stretching around the valve support, the tubular unit being tapered to provide a thinner wall at the closed end thereof to insure complete filling of the unit. One embodiment includes an annular flange portion for sealing the neck piece to the valve support. One embodiment comprises a plurality of annular ribs made separately or as an integral part of the tubular unit for controlling the shape and pressure of the expanded tubular unit.

REFERENCES:
patent: 3876115 (1975-04-01), Venus, Jr. et al.
patent: 3940026 (1976-02-01), Kain
patent: 4222499 (1980-09-01), Lee et al.
patent: 4324350 (1982-04-01), Thompson

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