HEAT PIPE AND METHOD OF MANUFACTURING IT

WIPO Patent Application WO/2008/012960

A1

A heat pipe capable of being remarkably increased in service life by surely exerting sealing effect even under high temperature, and a method of manufacturing the heat pipe. A heat pipe remarkably reduced in cost by increasing productivity and capable of being increased in service life. In the heat pipe (1), an upper plate reinforcement part (50), intermediate plate reinforcement parts (52), reinforcement parts (55) with slits, and a lower plate reinforcement part (60) are fitted to each other in a steam diffusing flow passage (44) facing the peripheral areas of a refrigerant filling hole (4) and an air exhaust hole (5) to form a column structure. Since an external force from a press (75) is supported by the column structure composed of the upper plate reinforcement part (50), the intermediate plate reinforcement parts (52), the reinforcement parts (55) with slits, and the lower plate reinforcement part (60), such disadvantages can be prevented that an upper plate (2) or a lower plate (3) is damaged by the external force, and thereby an internal space (10a) is collapsed.

JPH11237193	PLATE TYPE HEAT PIPE AND MOUNTING STRUCTURE USING IT
JP3170051	Heat exhaust device

OHSAWA KENJI (JP)
TSURUTA KATSUYA (JP)
ARIMURA SHUICHI (JP)
KOTANI TOSHIAKI (JP)

PCT/JP2007/053509

January 31, 2008

February 26, 2007

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FUCHIGAMI MICRO CO (JP)
OHSAWA KENJI (JP)
TSURUTA KATSUYA (JP)
ARIMURA SHUICHI (JP)
KOTANI TOSHIAKI (JP)

F28D15/02

JPS53106135A	1978-09-14
JPH1131768A	1999-02-02
JP2000156445A	2000-06-06
JP2000249482A	2000-09-14
JP2002039693A	2002-02-06
JP2004077120A	2004-03-11
JP2004007712A	2004-01-08

USHIKI, Mamoru (Yusei Fukushi Kotohira Bldg.14-1, Toranomon 1-chom, Minato-ku Tokyo 01, JP)

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