Dispenser with an energy storage member and an overload preventi

Details Dispenser with an energy storage member and an overload preventi Dispenser with an energy storage member and an overload preventi

1992-03-16

1994-02-01

Kashnikow, Andres

Dispensing

Collapsible wall-type container

With wall-collapsing means

222105, 222326, 2223865, 222390, B65D 3528

Patent

active

052825493

ABSTRACT:
A dispenser comprises a housing, a product-containing bag disposed within the housing, and a valve for discharging product from the bag. An energy-storing member, in the form of a gas-filled bellows, or a cellular foam element, is disposed beneath the product-containing bag and is raisable thereagainst to pressurize the product within the bag. An overload preventing mechanism prevents energy-storing member from being excessively compressed. The valve and product-containing bag are removable as a unit from the housing to enable an identical refill unit to be installed.

REFERENCES:
patent: 2477875 (1949-08-01), Hutchason
patent: 3195168 (1965-07-01), Roberts
patent: 3561644 (1971-02-01), Works
patent: 3815787 (1973-01-01), Spies
patent: 4193513 (1977-04-01), Bull, Jr.
patent: 4293353 (1981-10-01), Pelton et al.
patent: 4429811 (1984-02-01), Bakeman
patent: 4899910 (1990-02-01), Tabei et al.
patent: 4991742 (1991-02-01), Chang
patent: 5042696 (1991-08-01), Williams
patent: 5139178 (1992-08-01), Arch et al.
patent: 5143259 (1992-09-01), Williams
patent: 5174473 (1992-12-01), Mavelli
patent: 5186361 (1993-02-01), Williams
Article: "Urethane Replaces Rubber to Soften Ride", Machine Design Jun. 7, 1990, vol. 62, No. 12 (p. 68).

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