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Patent Searching and Data


Title:
LAMINATED TUBE AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2017/002937
Kind Code:
A1
Abstract:
Provided is a laminated tube (2) provided with: a first layer (21) obtained from a tungsten-containing first material; a second layer (22), which is formed on the outer circumferential surface of the first layer and is obtained from a second material having the property that transformation accompanied by expansion does not occur when cooled from a temperature that is at least 1000°C higher than the melting point to 25°C; and a third layer (23), which is formed on the outer circumferential surface of the second layer and is obtained from a third material having the property that transformation accompanied by expansion can occur when cooled from a temperature that is at least 1000°C higher than the melting point to 25°C.

Inventors:
HIRATA, Kourou (LTD. Technical Research Laboratory 1296-1, Higashitoyoi, Kudamatsu-sh, Yamaguchi 11, 〒7448611, JP)
TASHIRO, Hirofumi (LTD. Technical Research Laboratory 1296-1, Higashitoyoi, Kudamatsu-sh, Yamaguchi 11, 〒7448611, JP)
LIU, Huanan (LTD. Technical Research Laboratory 1296-1, Higashitoyoi, Kudamatsu-sh, Yamaguchi 11, 〒7448611, JP)
Application Number:
JP2016/069499
Publication Date:
January 05, 2017
Filing Date:
June 30, 2016
Export Citation:
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Assignee:
TOYO KOHAN CO., LTD. (2-12, Yonban-cho Chiyoda-k, Tokyo 47, 〒1028447, JP)
International Classes:
C23C4/16; B22D17/20; B32B1/08; C23C4/06; F16L9/14
Foreign References:
JP2002241920A2002-08-28
JPH08232058A1996-09-10
JPS62173215A1987-07-30
JP2004353045A2004-12-16
Attorney, Agent or Firm:
TOKOSHIE PATENT FIRM (Nishishinjuku KN Bldg, 22-27 Nishishinjuku 7-chome, Shinjuku-k, Tokyo 23, 〒1600023, JP)
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