Pump diaphragm
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United States of America Patent
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Jul 30, 2013
Grant Date -
Dec 22, 2011
app pub date -
Jun 21, 2010
filing date -
Jun 21, 2010
priority date (Note) -
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Abstract
A diaphragm assembly for a fluid driven diaphragm pump includes a piston having an inflexible core. This core includes a hub with a plate extending radially from about the periphery of the hub. The piston further includes a unitary diaphragm body molded with the inflexible core in situ. The unitary diaphragm body has a plurality of connective tendons extending through the plate. A thermoplastic coating extends about the inflexible core between the core and the molded unitary diaphragm body having a thermally miscible surface with the thermoplastic coating. An inflexible backing plate extends in juxtaposition with the diaphragm.
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