DEVICE FOR THREADED JOINING PIPELINES WITH CUTTING IN RING Russian patent published in 1994 - IPC

Abstract RU 2015442 C1

FIELD: mechanical engineering. SUBSTANCE: union and a coupling nut compress a ring cutting in the pipe. An annular inner groove is made in the front part of the ring on the side of the joint. Diametrically located cuttings which depth is no more than half the ring width are made in the back side of the ring. EFFECT: improved structure. 4 cl, 1 tbl

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RU 2 015 442 C1

Authors

Malyshev V.S.

Ioffe G.S.

Jatskevich A.A.

Dates

1994-06-30—Published

1991-03-26—Filed