Manual control dispensing pump for liquid containers
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 5, 1980
Grant Date -
N/A
app pub date -
Oct 30, 1978
filing date -
Nov 17, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Reciprocating manual dispensing pump comprising a delivery valve provided with a shutter and associated with the movable part of the pump, and a suction or intake valve comprising a single piston movable against a spring within a tubular body forming therewith a compression chamber, which is hydraulically connected with an expansion chamber of a larger cross-section in the piston defined by a resiliently deformable part with which the delivery valve shutter is associated for closing a delivery conduit in such a piston.
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Family
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Cited Art Landscape
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