Pump for dispensing flowable material

Dispensing – Resilient wall – Supply container delivering to receiving chamber

Reexamination Certificate

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Details

C222S380000, C222S518000, C222S212000

Reexamination Certificate

active

06971553

ABSTRACT:
The invention relates to a dispensing device which can be used to dispense a metered volume of a flowable material such as a liquid, gel or paste product from a reservoir. The invention provides a pump for dispensing a flowable material from a container, the pump including a pump body which is deformable between a rest configuration and a squeezed configuration, the internal capacity of the pump body being substantially reduced in the squeezed configuration compared to the rest configuration.

REFERENCES:
patent: 3995776 (1976-12-01), Micallef
patent: 4776495 (1988-10-01), Vignot
patent: 4804115 (1989-02-01), Ball
patent: 5377880 (1995-01-01), Moretti
patent: 5454488 (1995-10-01), Geier
patent: 5971224 (1999-10-01), Garibaldi
patent: 6334522 (2002-01-01), Bougamont et al.
patent: 2618760 (1989-02-01), None
patent: 2714027 (1995-06-01), None
patent: WO 99/01770 (1999-01-01), None
patent: WO 99/02272 (1999-01-01), None
patent: WO 00/20294 (2000-04-01), None

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