Shaft sealing ring
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United States of America Patent
Stats
-
Jan 13, 2004
Grant Date -
Aug 22, 2002
app pub date -
Feb 13, 2002
filing date -
Feb 19, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Provision is made in a shaft sealing ring, comprising a rotary support body, at least one sealing lip mounted on the support body and extending at least partly in radial direction, and a sealing surface offered by the sealing lip and contacting a stationary countersurface, for the sealing lip to consist of a material which is permeable to the medium to be sealed off and permits penetration of the medium to be sealed off from a surface of the sealing lip facing the sealed space to the sealing surface.
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