Dispensing – With discharge assistant – With discharge volume varying means
Patent
1989-09-26
1990-09-04
Olszewski, Robert P.
Dispensing
With discharge assistant
With discharge volume varying means
222 52, 222372, 222518, 222567, 403341, 403348, F16D 100, B05C 1100
Patent
active
049537563
ABSTRACT:
Modular apparatus for dispensing precise quantities of a fluid product comprising a dispensing unit, an actuator unit and mutually engageable locking means on each. A housing of the dispensing unit defines a reservoir which contains the fluid product to be dispensed under pressure. Within the housing is a ball-type valve mechanism. A deformable diaphragm isolates the reservoir from the valve to prevent (1) the undesirable entry of the fluid product into the actuator unit on operation and (2) the release of fluid product on disconnection of the modular unit. The diaphragm may be of a number of shapes, depending upon the operation of the dispensing unit. The dispensing unit is readily removable from the actuator unit and can be readily replace with another dispensing unit. The modular apparatus may also include readily exchangeable nozzles of various sizes.
REFERENCES:
patent: 2111168 (1938-03-01), Chansor
patent: 2329198 (1943-09-01), Hattan et al.
patent: 3355112 (1967-11-01), Shaffer et al.
patent: 3463363 (1969-08-01), Zelna
patent: 3781040 (1973-12-01), Lasko et al.
patent: 4347806 (1982-09-01), Argizzi et al.
patent: 4678100 (1987-02-01), Gelinas et al.
"Operating Instructions-725D Diaphragm Valve", 16 pages, Copyrighted 1983, by Electron Fushion Devices, Inc.
Breault John P.
Dickau Ewald F.
Le Mark T.
Loctite Corporation
Miller Eugene F.
Olszewski Robert P.
Welch II Edward K.
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