Controlled dispensing device

Details Controlled dispensing device Controlled dispensing device

2007-05-22

2007-05-22

Ngo, Lien M. (Department: 3754)

Dispensing

With plural openings or discharge guides

C141S127000, C222S134000

Reexamination Certificate

active

11081307

ABSTRACT:
A dispensing device that can economically and reliably dispenses predetermined quantity of fluids accurately comprising an elongated rod with one or more through holes formed perpendicularly through its axis defining one or more fluid flow paths. Adjacent to each through hole is an angular fluid flow path with one section generally parallel to the through hole and another section generally perpendicular to the through hole. In the preferred embodiment, the through holes and the angular fluid flow paths are positioned alternately through most of the length of the elongated rod. The elongated rod slides within a base component that has corresponding openings to enable accurate and reliable dispensing of predetermined quantity of fluids through the controlled dispensing device.

REFERENCES:
patent: 2765962 (1956-10-01), Perkins
patent: 3072303 (1963-01-01), Monk
patent: 3442304 (1969-05-01), Theys et al.
patent: 4366918 (1983-01-01), Naka
patent: 4602657 (1986-07-01), Anderson et al.
patent: 4979639 (1990-12-01), Hoover et al.
patent: 7069963 (2006-07-01), Friberg et al.
patent: 7108024 (2006-09-01), Navarro

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