Aspiration sprayer

Details Aspiration sprayer Aspiration sprayer

2005-05-24

2005-05-24

Hwu, Davis (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Including supply holder for material

C239S310000, C239S311000, C239S337000, C239S582100

Reexamination Certificate

active

06896203

ABSTRACT:
A low-flow-rate sprayer assembly is provided, wherein additive from a container is entrained in a stream of carrier fluid passing through a venturi. The pressures created by flow through the venturi actuate a release valve on the container and entrain the additive in the carrier fluid.

REFERENCES:
patent: 3831855 (1974-08-01), Mocarski
patent: 4802630 (1989-02-01), Kromrey et al.
patent: 4883086 (1989-11-01), Lejnar
patent: 5100058 (1992-03-01), Wei
patent: 5107893 (1992-04-01), Adkins
patent: 5180439 (1993-01-01), Allison
patent: 5323935 (1994-06-01), Gosselin et al.
patent: 5992690 (1999-11-01), Tracy

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