Plastic pump, and method for manufacturing same
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United States of America Patent
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Jul 18, 2023
Grant Date -
Aug 6, 2020
app pub date -
Apr 15, 2020
filing date -
Jan 7, 2013
priority date (Note) -
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Abstract
A plastic pump comprises a complete body having an inner body made of a fluorine resin and an outer body made of a plastic material by molding the plastic material in a first mold after fixing a pre-manufactured inner body to the first mold, an impeller made of a fluorine resin material by means of injection molding, and an impeller cover made of a plastic material by molding the plastic material in a second mold to protect the impeller, and a fluid transporting path is lined with the fluorine resin of the inner body.
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