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(19)

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2 526 999

(13)

(51)

IPC

F17C1/06(2006-01-01)

(21) (22)

Application

2013135873/06, 2013-07-30

(24)

Start date

2013-07-30

(22)

Actual filing date

2013-07-30

(45)

Published

2014-08-27

(72)

Inventor

Sisauri Vitalij IraklievichAleev Vladimir Aleksandrovich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Tsentral'Nyj Nauchno-Issledovatel'Skij Institut Spetsial'Nogo Mashinostroenija

SHELL OF COMPOSITES FOR HIGH INTERNAL PRESSURE Russian patent published in 2014 - IPC F17C1/06

Abstract RU 2526999 C1

FIELD: machine building.

SUBSTANCE: proposed shell comprises cylindrical part 1 and convex bottoms. This shell is composed by the combination of circular tapes 4 on cylindrical part and helical crossed tapes 5 oriented in circumferential and helical directions. Said tapes are made of unidirectional threads bonded by polymer binder with flanges arranged in polar bores of bottoms. Extra variable-width circular layers 11 are arranged at bottom, in the zone of connection with cylindrical part, and distributed between spiral layers. Said width decreased from inner later to outer layer to make outer integral stepped-conical surface. Their common circular linear stiffness E_bh_b does not exceed appropriate stiffness of circular layers of cylindrical part E_ch_c, where E_b, E_c and h_b, h_c are reduced modules of elasticity of circular layers and their common depth at bottom and cylindrical part, respectively while axial length does not exceed 0.07r, where r is the shell cylindrical part radius.

EFFECT: enhanced performances and higher efficiency.

3 cl, 2 dwg

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RU 2 526 999 C1

Authors

Sisauri Vitalij Iraklievich

Aleev Vladimir Aleksandrovich

Dates

2014-08-27—Published

2013-07-30—Filed