Self-cleaning nozzle construction for aspirators

Details Self-cleaning nozzle construction for aspirators Self-cleaning nozzle construction for aspirators

1980-07-14

1982-09-07

Bell, Jr., Houston S.

Fluent material handling, with receiver or receiver coacting mea

Filling or refilling of dispensers

141 67, 141311A, 141392, 7386411, 222108, B65B 304

Patent

active

043478751

ABSTRACT:
There is disclosed a nozzle for aspirating and precision dispensing liquid, the nozzle being designed to influence liquid remaining on the exterior of the nozzle after aspiration, to move away from the vicinity of the dispensing portion of the nozzle. Optionally the nozzle is part of a disposable container that includes a compartment for storing the liquid that is aspirated and subsequently dispensed.

REFERENCES:
patent: 3494201 (1970-02-01), Roach
patent: 3500689 (1970-03-01), Band
patent: 3713775 (1973-01-01), Schmitz
patent: 3732734 (1973-05-01), Avakian et al.
patent: 3757585 (1973-09-01), Heller et al.
patent: 3766785 (1973-10-01), Smernoff et al.
patent: 3832135 (1974-08-01), Drozdowski et al.
patent: 4023716 (1977-05-01), Shapiro
patent: 4072330 (1978-02-01), Brysch
patent: 4237095 (1980-12-01), Suovaniemi

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