Plastic valve core
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 30, 1981
Issued Date -
N/A
app pub date -
Jul 2, 1980
filing date -
Mar 12, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A valve core or insides for a valve device, said core being made primarily of plastic such that its manufacturing costs are considerably reduced, the core being specially configured to allow for substantial air flow through the core while insuring good dynamic sealing.
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Cited Art Landscape
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