Sealing device for sealing an annular space between two machine elements which are rotatable in relation to each other
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United States of America Patent
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-
Dec 22, 1992
Grant Date -
N/A
app pub date -
Apr 29, 1991
filing date -
Apr 27, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sealing device for sealing an annular space between two machine elements (2, 4) rotatable in relation to each other, comprising an elastic material sealing ring (8) and a counterface (36) engaged by a sealing lip (14) of the sealing ring. The sealing ring (8) has a main body (12) received in a groove (22) in one of the machine elements (2). The main body (12) of the sealing ring has, at least one of two side surfaces of the groove (22), at least one annular projection (18) engaging the opposite side surface of the groove.
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