Method of producing a hydrodynamic seal
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United States of America Patent
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-
Sep 24, 1985
Grant Date -
N/A
app pub date -
Sep 28, 1984
filing date -
Sep 28, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of producing a hydrodynamic sealing element is disclosed wherein washer-like sealing elements may be partially sliced from a cylindrical billet and formed to have an axially extending inner portion adapted to sealingly engage a rotating shaft. The inside surface of the axially extending portion is grooved to facilitate the sealing action. Grooving is accomplished by axial withdrawal action of the same cutting element that partially slices and forms the sealing element.
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