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2 111 465

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IPC

(21) (22)

Application

96121675/28, 1996-11-10

(22)

Actual filing date

1996-11-10

(45)

Published

1998-05-20

(72)

Inventor

Pirogov S.P.Ponomareva T.G.Volzhakov A.A.

(73)

Holder

Tjumenskij Gosudarstvennyj Neftegazovyj Universitet

MANOMETRIC TUBULAR SPRING Russian patent published in 1998 - IPC

Abstract RU 2111465 C1

FIELD: mechanical engineering. SUBSTANCE: spring is manufactured with section variable in length. It consists of several tubes. Each of the tubes has constant wall thickness and relation of section half-axes. Wall thickness and size of section half-axes of tubes increase from spring vacant end to the secured one. EFFECT: extended functional capabilities of spring. 1 dwg

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RU 2 111 465 C1

Authors

Pirogov S.P.

Ponomareva T.G.

Volzhakov A.A.

Dates

1998-05-20—Published

1996-11-10—Filed

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