METHOD OF PRODUCING BALL VALVE Russian patent published in 1994 - IPC

Abstract RU 2016315 C1

FIELD: valving. SUBSTANCE: layer of antifriction component is interposed between cuts of coaxial pipes. A part of the cuts of the pipes is deformed in two coincided semi-forms. The blank so obtained is removed from the semi-forms and surfaces to be mated are fitted to each other by rotation of the ball. EFFECT: simplified method. 3 dwg

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RU 2 016 315 C1

Authors

Bukreev S.F.

Teslenko S.F.

Bojtsov V.I.

Tikhomirova M.V.

Bukreeva I.I.

Dates

1994-07-15—Published

1991-04-09—Filed