Oral irrigation apparatus and method operable from a pressurized

Details Oral irrigation apparatus and method operable from a pressurized Oral irrigation apparatus and method operable from a pressurized

1994-06-07

1996-04-30

Kashnikow, Andres

Dispensing

Processes of dispensing

2221445, 222389, B67D 556

Patent

active

055116930

ABSTRACT:
An oral irrigating liquid dispenser (20) is disclosed which operates from a liquid pressure source (22) to dispense two liquids (54, 72) from an orifice (26). A valve member (24) moves to different positions to couple the source respectively to a piston face (64A), a conduit (60) and an outlet port (71). Flow control valves (80, 89) are provided to control flow from the orifice. Since no electrical power is involved the dispenser may safely be used in the presence of liquids and electrical grounds.

REFERENCES:
patent: 923550 (1909-06-01), Mikorey
patent: 2708600 (1955-05-01), Froidevaux
patent: 2867230 (1959-01-01), Bletcher et al.
patent: 3225759 (1965-12-01), Drapen et al.
patent: 4043337 (1977-08-01), Baugher
patent: 4265229 (1981-05-01), Rice
patent: 4564005 (1986-01-01), Merchand
patent: 4793331 (1988-12-01), Stewart
patent: 4875626 (1989-10-01), Buhler et al.
patent: 5004158 (1991-04-01), Halem et al.

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