Transparent valve body for dense phase pump

Details Transparent valve body for dense phase pump Transparent valve body for dense phase pump

2009-01-14

2011-11-15

Kramer, Devon C (Department: 3746)

Pumps

Motor driven

Fluid motor

C406S090000

Reexamination Certificate

active

08057197

ABSTRACT:
A dense phase powder pump includes a valve body that houses one or more pinch valve elements. The valve body comprises a sufficiently transparent material to allow an operator to visually observe operation of the pinch valves.

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Office Action for Japanese Patent Application No. 2006-541591 dated Oct. 27, 2010. See p. 2, Regarding Reason 3.
English translation of Response to Office Action for Japanese Patent Application No. 2006-541591. See Remarks directed to Reason 3, Oct. 27, 2010.

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