Sealing Ring
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United States of America Patent
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N/A
Issued Date -
Nov 18, 2004
app pub date -
Mar 23, 2004
filing date -
Mar 25, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A sealing ring has a support member and a sealing lip connected to the support member. The sealing lip rests against a machine part to be sealed. The sealing lip has a passage for the machine part, wherein the passage points to an air side of the machine part to be sealed and has a contact side provided with a return conveying device for a medium to be sealed at a medium side of the machine part. The return conveying device is an alternating twist structure that is formed by angularly staggered, crossing elliptical structures, crossing straight structures, sine-shaped structures, or arcs.
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