Low capacity pump with enhanced compatibility
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 9, 2002
Grant Date -
N/A
app pub date -
Apr 12, 2001
filing date -
Oct 16, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A pump having a plastic body which includes first and second body ends. The first body end of the pump body defines a metering chamber and has an inlet valve including a valve seat and a ball disposed therein. The second body end of the pump body cooperates with a spray tube carrying an outlet valve positioned near a bottom end thereof and mounted for axial movement with respect to the pump body. A helical spring surrounds the spray tube wherein a top end of the spray tube defines a laterally extending shoulder of which the helical spring abuts at one end. Both the pump body and the ball of the inlet valve are fabricated from a transparent or at least translucent plastic material.
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