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2 057 981

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IPC

(21) (22)

Application

5057635/29, 1992-08-03

(22)

Actual filing date

1992-08-03

(45)

Published

1996-04-10

(72)

Inventor

Kalachev I.F.Zagirov M.M.Sitnikov A.N.Asfin F.M.

(73)

Holder

Tatarskij Gosudarstvennyj Nauchno-Issledovatel'Skij I Proektnyj Institut Neftjanoj Promyshlennosti

METHOD OF JOINING FEMALE AND MALE PARTS Russian patent published in 1996 - IPC

Abstract RU 2057981 C1

FIELD: mechanical engineering. SUBSTANCE: female part is fitted on the male part with cold interference. After fitting the mated surfaces are heated. The heating is carried out up to softening the parts at the depth of their roughness. EFFECT: enhanced reliability. 2 cl, 2 dwg

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RU 2 057 981 C1

Authors

Kalachev I.F.

Zagirov M.M.

Sitnikov A.N.

Asfin F.M.

Dates

1996-04-10—Published

1992-08-03—Filed

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