Pressure regulating diaphragm
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United States of America Patent
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Aug 26, 1980
Issued Date -
N/A
app pub date -
Jan 22, 1979
filing date -
Apr 7, 1976
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A pressure regulating diaphragm comprises a central base plate section in the form of a hard disc, a peripheral sealing section having the form of a ring located concentrically with said plate section and an intermediate section located between said peripheral sealing section and said central base plate section, said intermediate section consisting of a film having a thickness of from 10 to 100 microns and made of a plastic resistant to chemicals and defining a deformable, flexible portion, whereby a desired shape can be obtained therein.
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