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 (JP)
TASHIRO HIROFUMI (JP)
LIU HUANAN (JP)
TASHIRO HIROFUMI (JP)
LIU HUANAN (JP)
Application Number:
PCT/JP2016/069499
Publication Date:
January 05, 2017
Filing Date:
June 30, 2016
Export Citation:
Assignee:
TOYO KOHAN CO LTD (JP)
International Classes:
C23C4/16; B22D17/20; B32B1/08; C23C4/06; F16L9/14
Foreign References:
| JP2002241920A | 2002-08-28 | |||
| JPH08232058A | 1996-09-10 | |||
| JPS62173215A | 1987-07-30 | |||
| JP2004353045A | 2004-12-16 |
Other References:
See also references of EP 3318655A4
Attorney, Agent or Firm:
TOKOSHIE PATENT FIRM (JP)
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