Discharge control valve

Details Discharge control valve Discharge control valve

1987-04-06

1988-10-11

Shaver, Kevin P.

Dispensing

Jarring and/or vibrating

Hand manipulable shaker type

222502, 222547, 222559, B65D 4700

Patent

active

047764937

ABSTRACT:
A general purpose valve is provided to control the discharge of particulate material. An overlying plate with a first, through aperture, cooperates with an underlying plate having a solid surface and a second through aperture. The first aperture is in vertical alignment with the solid surface on the underlying plate. Structure is provided to vary the vertical spacing between the overlying and underlying plates to selectively commence, terminate, and vary the rate of flow of particulate material.

REFERENCES:
patent: 442766 (1890-12-01), Brennan, Jr.
patent: 2486200 (1949-10-01), O'Connor
patent: 2631567 (1953-03-01), Gilson
patent: 3107702 (1963-10-01), Gex et al.
patent: 3135427 (1964-06-01), Siegburg
patent: 3718164 (1973-02-01), Stewart
patent: 4131193 (1978-12-01), Musschoot
patent: 4398578 (1983-08-01), Walters et al.
patent: 4546872 (1985-10-01), Musschoot
patent: 4685504 (1987-08-01), Bond et al.

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