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2 016 308

(13)

(51)

IPC

(21) (22)

Application

4954546/29, 1991-06-13

(22)

Actual filing date

1991-06-13

(45)

Published

1994-07-15

(72)

Inventor

Zavojko A.M.Novikov I.I.Davydov V.S.

(73)

Holder

Leningradskoe Nauchno-Proizvodstvennoe Ob"Edinenie Khimicheskogo Mashinostroenija

SEAL FOR PLUNGER Russian patent published in 1994 - IPC

Abstract RU 2016308 C1

FIELD: mechanical engineering. SUBSTANCE: sealing ring is made of three parts which are enclosed by segments. Locking ring is made of three sectors. Each ring is squeezed by a spring which enters ring groove provided on outer cylindrical surface of the ring. Cylindrical hollows are provided in groove at points of matting of part of the rings between each other over the whole width of the groove. Matting points of the cylindrical surfaces of the groove and hollows are rounded. EFFECT: enhanced reliability. 10 dwg

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RU 2 016 308 C1

Authors

Zavojko A.M.

Novikov I.I.

Davydov V.S.

Dates

1994-07-15—Published

1991-06-13—Filed