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(19)

RU

(11)

2 563 330

(13)

C2

(51)

IPC

F16J15/20(2006-01-01)

(21) (22)

Application

2013159290/06, 2013-12-30

(24)

Start date

2013-12-30

(22)

Actual filing date

2013-12-30

(45)

Published

2015-09-20

(72)

Inventor

Safonov Valerij Grigor'EvichSedov Mikhail PetrovichShraer Iosif Izrail'Evich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Zavod Asbestovykh Tekhnicheskikh Izdelij"

PACKING Russian patent published in 2015 - IPC F16J15/20 

Abstract RU 2563330 C2

FIELD: machine building.

SUBSTANCE: invention relates to soft packing impregnated by polymer materials, intended for operation in glands with axial tension. The packing includes the fibre base impregnated by polymer and surface with shoulders. The fibre base is made out of the material, which density is below the density of the impregnation polymer, at that the shoulders are made with density exceeding the density of the other packing part.

EFFECT: invention increases sealing ability of the packing by increasing density of its sealing surface.

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RU 2 563 330 C2

Authors

Safonov Valerij Grigor'Evich

Sedov Mikhail Petrovich

Shraer Iosif Izrail'Evich

Dates

2015-09-20—Published

2013-12-30—Filed

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