Non-stick treatment for elastomeric slit valves
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United States of America Patent
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Dec 12, 1995
Grant Date -
N/A
app pub date -
Dec 23, 1994
filing date -
Dec 23, 1994
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A non-stick treated valve including a pair of cooperating elastomeric surfaces positioned to engage each other to control fluid flow through the valve. A non-stick coating is applied to the cooperating surfaces to facilitate separation of the surfaces from each other during opening of the valve. The non-stick coating is in the form of an oily substance such as a fluid lubricant for forming a fluid film coating on the cooperating surfaces. In addition, the coating material is formed of a material which is dissimilar from the material forming the cooperating surfaces.
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