Stretchable oil seal and method of installation
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United States of America Patent
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Mar 13, 1990
Issued Date -
N/A
app pub date -
Jun 26, 1989
filing date -
Jan 28, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A fluid seal made of elastomeric material for use between an external stationary member and a rotating internal member avoids use of a customary pressed steel case. The seal may be stretched over an external flange on a rotatable shaft and recover from the elongation to the designed dimension at which the seal is to operate within the external stationary member. A specially formulated elastomeric composition accommodates elongation during stretching in excess of 300%.
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