PIPELINE REPAIR PROCEDURE AND DEVICE TO THIS END Russian patent published in 2014 - IPC F16L55/175 F16L55/172 F16L55/18 

Abstract RU 2525103 C1

FIELD: transport.

SUBSTANCE: device consists of flexible sheet material with two layers of hybrid textile impregnated with composite, of carbonate and Kevlar threads. Polyethylene ply is sprayed on hydride textile. Epoxy resin-based compound ply is arranged opposite polyethylene layer. One end of flexible sheet is composed of loops on both sides. Lengthwise metal plates are arranged inside every loop and on both there thereof and secured thereto. Besides that loops are equipped with tightener with through bore for bolts. Said tightener is composed of metal structure with U-like cross-section wit lengthwise slot accommodating loops with metal plates. Device with applied compound layer are cured in open air for tine required for impregnation of hybrid layers and partial solidification of the compound. Then, device is gripped by tightener and placed on pipeline section to be repaired and fitted to pipe by the side with compound. Then, it is locked by bolt joint and tightened. Tightening force is larger at central part that at ends.

EFFECT: expanded hardware means.

5 cl, 9 dwg

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RU 2 525 103 C1

Authors

Novikova Galina Aleksandrovna

Nikonenko Anton Dmitrievich

Jankovich Nebojsha

Kochetov Vladimir Ivanovich

Dates

2014-08-10Published

2013-06-27Filed