Manually operated sprayer

Details Manually operated sprayer Manually operated sprayer

1978-08-09

1980-11-18

Marbert, James B.

Fluid sprinkling, spraying, and diffusing

Including supply holder for material

Moving solid surface engages material to be sprayed

222321, 222533, B05B 943

Patent

active

042341272

ABSTRACT:
A manually operated sprayer which comprises a pump mechanism including a secondary valve having a valve body normally pressed against a valve seat by a compression spring and valve-sealing means designed temporarily to obstruct the flow of a liquid even after the valve body slides in liquidtightness along the inner wall of a tubular piston and is released from the valve seat, and wherein the valve-sealing means of the secondary valve is integrally formed with the valve body, and slides in liquidtightness along the inner wall the tubular piston for a prescribed distance to be brought into an annular groove formed in the inner wall of the tubular piston, thereby taking the form of a skirt-like strip to be released from the liquidtight condition.

REFERENCES:
patent: 3148806 (1964-09-01), Meshberg
patent: 4017031 (1977-04-01), Kishi et al.
patent: 4051983 (1977-10-01), Anderson

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