SUPER-ELECTROCONDUCTIVE CABLE, COVERED HEAT-INSULATED PIPE, AND METHOD OF PRODUCING COVERED HEAT-INSULATED PIPE

WIPO Patent Application WO/2014/132765

A1

A super-electroconductive cable (1) is provided with the following: a conductor part (10) provided with a superconducting conductor layer (12); a heat-insulated pipe (20) having a multi-layered structure and for accommodating the conductor part (10); a reinforcing layer (at least a part of an interposed layer (30)) provided to the outer periphery of the heat-insulated pipe (20); and a main electrical insulating layer (50) formed by extrusion of an electrical insulation material onto the outer periphery of the reinforcing layer. The heat-insulated pipe (20) is of a shape that can be elongated or contracted, such as with a corrugated pipe, thereby giving the heat-insulated pipe (20) excellent flexibility. The heat-insulated pipe (20) to which the reinforcing layer is provided also has excellent mechanical strength, and the force when the main electrical insulating layer (50) is formed by extrusion onto the outer periphery of the heat-insulated pipe (20) is received by the heat-insulated pipe through the reinforcing layer. As such, the main electrical insulating layer (50) is favorably provided even though the heat-insulated pipe (20) may be a corrugated pipe or the like.

INAGAKI YOSHIHIRO (JP)
OHYA MASAYOSHI (JP)
HIROTA HIROFUMI (JP)

PCT/JP2014/052711

September 04, 2014

February 06, 2014

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SUMITOMO ELECTRIC INDUSTRIES (JP)

H01B12/14; H01B13/00

WO2007119654A1

2007-10-25

JP2012174405A	2012-09-10
JP2006059695A	2006-03-02
JP2011045169A	2011-03-03
JP2008287896A	2008-11-27

NAKATA, Motomi et al. (JP)
Nakada Motoki (JP)

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