FABRICATION OF TUBULAR SECTION FROM MINERAL COTTON AND TUBULAR SECTION MADE THEREBY Russian patent published in 2015 - IPC F16L59/04 F16L59/14 

Abstract RU 2540128 C2

FIELD: process engineering.

SUBSTANCE: invention relates to fabrication of tubular section from mineral cotton. Proposed process comprises the steps that follow. Thin strip 1 is sawn from green board of mineral cotton and said strip is cut in length in compliance with preset wall depth of section being fabricated. Said strip is wound on rod 2 to get multilayer cylinder. Said rod with wound cylinder is placed in forming device and processed therein. Prior to winding of strip 1 on rod 2 and/or at winding said strip on rod, granulated material 3 of high heat insulation properties is applied on said rod between plies of mineral cotton.

EFFECT: simple fabrication, netter heat insulation.

4 cl, 1 dwg

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RU 2 540 128 C2

Authors

Kh'El'T Tuomo

Dates

2015-02-10Published

2011-06-15Filed