PROTECTIVE ENVELOPE MADE FROM COMPOSITE MATERIALS Russian patent published in 1997 - IPC

Abstract RU 2096678 C1

FIELD: erection and protection of pipe lines, containers, fuselages, etc. SUBSTANCE: outer and inner ferrules are fastened with intermediate layer of foam plastic reinforced with arch system which is made from crossing tapes of high-modulus fibres, some layers of inner ferrule are made from carbon fibre tapes doubled with elasto-flexible layers layer by layer. Other layers of envelopes are made from organic glass fabric whose warp threads are aramide fibers located in direction of spiral coils. EFFECT: enhanced reliability. 7 dwg

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RU 2 096 678 C1

Authors

Majorov B.G.

Smyslov V.I.

Ovchinnikova V.I.

Khomjakov P.S.

Aleev V.A.

Sobolev N.I.

Dates

1997-11-20—Published

1993-05-31—Filed