BALL COCK Russian patent published in 2000 - IPC

Abstract RU 2156906 C2

FIELD: shut-off fittings; shutting-off flows of working medium. SUBSTANCE: cock has body with straight-way passage and seals located in it, plug which is swivel relative to vertical axis; plug is made in form of hollow sphere with straightway holes; cock is also provided with hollow cylinder located coaxially relative to straight-way passage. Cylinder is rigidly connected with body by fastening member which passes through additional hole made in plug. Length of above- mentioned cylinder is lesser than that of inner surface of sphere. EFFECT: enhanced tightness and operational reliability of cock. 3 cl, 2 dwg

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RU 2 156 906 C2

Authors

Galaganov V.N.

Krylov A.I.

Naumov V.S.

Dates

2000-09-27—Published

1999-04-20—Filed