Invention Bump for liquid media

Details Invention Bump for liquid media Invention Bump for liquid media

1988-08-03

1990-09-25

Shaver, Kevin P.

Dispensing

With discharge assistant

With movable nozzle interconnected therewith

222376, 222385, 22240219, 239334, B05B 1102

Patent

active

049587528

ABSTRACT:
The thrust piston pump of a delivery apparatus for liquid media and the like is provided with a valve arrangement in the suction passage. The valve arrangement has two valve seats acting in opposing manner and is associated with a single common valve body. This permits a rapid transfer of the valve body into the closed position engaging on the valve seat, particularly during operation in an inverted position. In addition, the discharge passage has a mechanically openably discharge valve which can be simply opened by displacing the actuating head of the pump with respect to a collar of the pump piston.

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patent: 4723692 (1988-02-01), Meuresch et al.

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