SEAL DISK WITH A PLURALITY OF HARDNESSES
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United States of America Patent
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Issued Date -
Mar 27, 2014
app pub date -
Sep 27, 2012
filing date -
Sep 27, 2012
priority date (Note) -
Abandoned
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Abstract
A seal disk for a fluid flow control valve, such as a fluid regulator, has a body formed of elastomeric material having a first hardness at a seal face and a second hardness spaced apart from the seal face along the thickness. The elastomeric material is softer at the seal face and harder spaced away from the seal face.
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