Elastomeric pumps

Details Elastomeric pumps Elastomeric pumps

1974-12-24

1976-04-06

Reeves, Robert B.

Dispensing

Resilient wall

Supply container delivering to receiving chamber

222212, 417566, F04B 4300

Patent

active

039484203

ABSTRACT:
This invention provides the fluid-handling device which includes a curved base member of which the surface is closed upon its self, for example a truncated cone, and an elastomeric member adapted to receive and enclose the base member. The elastomeric member defines a number of chambers at its contact with the base member, these including an inlet chamber divided by a sloping partition integral with the elastomeric member, and a outlet chamber also divided by a sloping partition intergral with the elastomeric member. The elastomeric member also includes a dome adjacent the end or truncation of the base member, and this dome defines with the base member a chamber of variable volume, which is connected to the inlet and outlet chambers by suitable passageways which result in a pumping action when the dome is depressed and then released.

REFERENCES:
patent: 2562317 (1951-07-01), Krall
patent: 3102489 (1963-09-01), Corsette et al.
patent: 3162334 (1964-12-01), Miller
patent: 3486663 (1969-12-01), Humphrey
patent: 3752366 (1973-08-01), Lawrence

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