HEAT INSULATION PIPE

WIPO Patent Application WO/2011/062237

A1

Disclosed is a heat insulation pipe which can prevent the cold storage property from deteriorating and a cold spot from occurring as well as prevent the workability from deteriorating. The heat insulation pipe is provided with a pipe main body which is substantially formed into a cylindrical shape and which allows low-temperature fluid to pass therethrough, a plurality of heat insulation portions (3, 3) which surround the pipe main body as a single layer in the circumferential direction and which are aligned in the longitudinal direction, internal connecting portions (41) which are disposed on the inner side in the radial direction between the adjacent heat insulation portions (3, 3) so as to be in contact with the adjacent heat insulation portions (3, 3) and which are composed of a heat insulation fibrous material, external connecting portions (42) which are disposed on the outer side in the radial direction between the adjacent heat insulation portions (3, 3) so as to be in contact with the adjacent heat insulation portions (3, 3) and which are composed of a heat insulation rubber material.

UEDA SHIN (JP)
NOMOTO TETSUSHI (JP)
YANAGIHARA SEIDO (JP)
SUEDA YOSHIKAZU (JP)

PCT/JP2010/070596

May 26, 2011

November 18, 2010

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MITSUBISHI HEAVY IND LTD (JP)
NIPPON REINETSU CO LTD (JP)
UEDA SHIN (JP)
NOMOTO TETSUSHI (JP)
YANAGIHARA SEIDO (JP)
SUEDA YOSHIKAZU (JP)

F16L59/147

JPS5644290U	1981-04-21
JPH1113988A	1999-01-22
JPS6158717B2	1986-12-12
JPH07280174A	1995-10-27
JP2001108189A	2001-04-20

FUJITA, Takaharu et al. (JP)
Takaharu Fujita (JP)

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