DEVICE FOR WORKING BALL PLUG OF VALVE Russian patent published in 1997 - IPC

Abstract RU 2076797 C1

FIELD: mechanical engineering. SUBSTANCE: device has axially movable tool mandrel and fixed supporting ring provided with an opening for basing the ball plug of a valve. The supporting ring is arranged above the tool mandrel. The diameter of the opening of the ring is defined by a relationship presented in the invention description. EFFECT: improved design. 2 dwg

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RU 2 076 797 C1

Authors

Karelin I.N.

Dashunin N.V.

Surin V.V.

Dates

1997-04-10Published

1995-07-20Filed