Filter element and its production
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United States of America Patent
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May 19, 1992
Issued Date -
N/A
app pub date -
Jul 21, 1987
filing date -
Dec 24, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention provides a filter element made wholly of fluorocarbon resin and production thereof. As the filter element is wholly made of fluorocarbon resin, it has an excellent chemicals resistance, and temperature resistance and is free from metal leaching. Though it has been difficult to produce such a fluorocarbon filter element free from leakage, in the present invention it can be produced at high yield.
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