SEALING RING FOR PUMP SHAFT Russian patent published in 2000 - IPC

Abstract RU 2149300 C1

FIELD: sealing technology. SUBSTANCE: sealing ring is formed by winding the expanded graphite tape whose surface are embossed. These surfaces are also provided with continuous grooves along tape; grooves on one surface are located between grooves on opposite surface; depth of grooves does not exceed half thickness of tape but is no less than depth of embossing. Sealing ring is formed in closed volume at specific load ranging from 1 to 3 MPa. EFFECT: enhanced reliability. 2 cl, 3 dwg

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RU 2 149 300 C1

Authors

Lashitskij A.P.

Epishov A.P.

Kleptsov I.P.

Avdeev V.V.

Shkirov V.A.

Dates

2000-05-20—Published

1998-08-04—Filed