Dual dispenser

Details Dual dispenser Dual dispenser

2006-06-13

2006-06-13

Hwu, Davis (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Including supply holder for material

C239S372000, C239S034000, C239S035000, C239S036000, C239S060000

Reexamination Certificate

active

07059540

ABSTRACT:
A universal cartridge that is useable in either a stagnant fluid environment or in a moving fluid environment with the universal cartridge floatable in a stagnant fluid environment and securable in a moving fluid environment with the universal cartridge having an inner housing having a diffusion port and an outer sleeve having a diffusion port with the housing and the sleeve mateable engaged with each other through frictional engagement to inhibit flow therebetween while permitting rotational displacement of the housing with respect to the sleeve to allow one to increase or decrease a dispersant transport area between a zone within the housing to a zone exterior to the housing through aligning a recessed diffusion port of the housing with a diffusion port of the sleeve with the diffusion ports inhibiting fluid flow therethrough but permitting dispersant transfer therethrough.

REFERENCES:
patent: 4293095 (1981-10-01), Hamilton et al.
patent: 4630634 (1986-12-01), Sasaki et al.
patent: 4702270 (1987-10-01), King, Sr.
patent: 5055183 (1991-10-01), Buchan
patent: 5407567 (1995-04-01), Newhard
patent: 6123842 (2000-09-01), Buchan
patent: 6244518 (2001-06-01), Pogue
patent: 6340431 (2002-01-01), Khan
patent: 1042234 (2000-11-01), None

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