Foam pump
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United States of America Patent
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Jul 8, 2014
Grant Date -
Aug 30, 2012
app pub date -
Jun 15, 2010
filing date -
Jul 29, 2009
priority date (Note) -
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Abstract
A foam pump is disclosed which includes a fluid cylinder, an air cylinder, and a mixing chamber. The mixing chamber includes a fluid throughflow axis, a fluid inlet and an air inlet. The fluid cylinder and the air cylinder both include a stroke axis which is substantially normal to the fluid throughflow axis. The fluid cylinder is adapted to draw a fluid therein in a priming stroke and to pump the fluid into the mixing chamber through the fluid inlet in a dispensing stroke. The air cylinder is adapted to draw air therein in a priming stroke and to pump the air into the mixing chamber through the air inlet in a dispensing stroke. The fluid inlet and the air inlet face in substantially opposite directions.
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