METHOD OF PRODUCING HEAT-INSULATING PIPE Russian patent published in 2006 - IPC F16L9/18 F16L59/14 

Abstract RU 2273787 C2

FIELD: pipeline engineering.

SUBSTANCE: method comprises setting the pipe inside the shell to define ring space, sealing ring space at the faces, and filling the space with heat-insulating material. The faces of pipes are sealed with detachable plugs. The pipe is provided with centering members. Before setting the pipe in the shell, they are mounted in the tank horizontally on the supports. By supplying fluid, the pipe and the shell become axially aligned. After setting the pipe in the shell, the tank is emptied and pipe and shell are dried.

EFFECT: reduced cost.

9 cl, 10 dwg

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RU 2 273 787 C2

Authors

Ibragimov Nail' Gabdulbarievich

Rakhmanov Rauf Nukhovich

Talypov Shamil' Mansurovich

Rakhmanov Marat Raufovich

Dates

2006-04-10Published

2003-01-17Filed