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Title:
CONNECTING STRUCTURE FOR VACUUM HEAT INSULATION TUBE
Document Type and Number:
WIPO Patent Application WO/2015/122310
Kind Code:
A1
Abstract:
Provided is a connecting structure for a vacuum heat insulation tube with which the connecting portions of one vacuum heat insulation tube and another vacuum heat insulation tube can be connected so as to have the same diameter. The inner tube (81A) of one vacuum heat insulation tube is provided with a wide diameter, the outer tube (82B) of another vacuum heat insulation tube is provided with a narrow diameter to enable insertion into the inner tube (81A) of the one vacuum heat insulation tube, and the wide-diameter part of the inner tube (81A) and the narrow-diameter part of the outer tube (82B) are connected to each other by welding.

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Inventors:
NAKAYAMA RYO (JP)
YAGI MASASHI (JP)
MITSUHASHI TAKAHARU (JP)
TENG JUN (JP)
LIU JIN (JP)
NOMURA TOMOYA (JP)
Application Number:
PCT/JP2015/052871
Publication Date:
August 20, 2015
Filing Date:
February 02, 2015
Export Citation:
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Assignee:
FURUKAWA ELECTRIC CO LTD (JP)
International Classes:
F16L13/02; F16L59/20; F16L59/06; H02G15/34
Domestic Patent References:
WO1998036199A11998-08-20
Foreign References:
JPS52153091U1977-11-19
JPS50107524A1975-08-25
JPS6384494U1988-06-02
Attorney, Agent or Firm:
KUSHIBUCHI & ASSOCIATES (JP)
Patent business corporation クシブチ international patent firm (JP)
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