SECTIONAL PISTON Russian patent published in 1994 - IPC

Abstract RU 2016298 C1

FIELD: pumps handling abrasive liquids. SUBSTANCE: fitted on support shoulder of core are rigid lining ring made of rubberized fabric and flexible sealing collar. Lining ring has reinforcement members made of cuts of cord threads in form of concentric arcs. Arcs are arranged in planes perpendicular to piston axis. Length of cord cuts is from 0.01 to 0.1 of piston mean diameter, and diameter of cord cuts is equal to 0.1 - 0.2 of their lengths. EFFECT: enlarged operating capabilities. 3 dwg

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RU 2 016 298 C1

Authors

Krivenko Ju.A.

Lovchev S.V.

Zateev V.S.

Dates

1994-07-15—Published

1992-09-29—Filed