LT - SHAPED MATERIAL FOR DOWNHOLE TOOL MEMBER, DOWNHOLE TOOL MEMBER, AND DOWNHOLE TOOL
EN - SHAPED MATERIAL FOR DOWNHOLE TOOL MEMBER, DOWNHOLE TOOL MEMBER, AND DOWNHOLE TOOL
Legal status
Patent not validated
Bibliographic data
Indications of the International Patent Classification (IPC)
(51) |
INT.CL. |
C22C 23/02 |
(2006.01) |
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C22F 1/06 |
(2013.01) |
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B21C 23/00 |
(2006.01) |
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E21B 33/12 |
(2013.01) |
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B22D 21/04 |
(2006.01) |
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B22D 21/04 |
(2013.01) |
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C22F 1/06 |
(2006.01) |
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C22F 1/00 |
(2013.01) |
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E21B 33/12 |
(2006.01) |
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B21C 23/00 |
(2013.01) |
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C22F 1/00 |
(2006.01) |
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C22C 23/02 |
(2013.01) |
European patent
(11) |
Number of the document |
3395972 |
(13) |
Kind of document |
T |
(96) |
European patent application number |
16879043.4 |
|
Date of filing the European patent application |
2016-12-26 |
(97) |
Date of publication of the European application |
2018-10-31 |
(45) |
Date of publication and mention of the grant of the patent |
2021-11-24
|
(46) |
Date of publication of the claims translation |
|
PCT application
(86) |
Number |
PCT/JP2016/088681 |
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Date |
2016-12-26 |
PCT application publication
(87) |
Number |
WO 2017/111159 |
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Date |
2017-06-29 |
Priority applications
(30) |
Number |
Date |
Country code |
|
2015255372 |
2015-12-25
|
JP |
Inventors
(72) |
KOBAYASHI, Fuminori , JP
OKURA, Masayuki , JP
TAKAHASHI, Takeo , JP
|
Grantee
(73) |
Kureha Corporation ,
3-3-2, Nihonbashi-Hamacho, Chuo-ku
Tokyo 103-8552,
JP
|
Title
(54) |
SHAPED MATERIAL FOR DOWNHOLE TOOL MEMBER, DOWNHOLE TOOL MEMBER, AND DOWNHOLE TOOL |
|
SHAPED MATERIAL FOR DOWNHOLE TOOL MEMBER, DOWNHOLE TOOL MEMBER, AND DOWNHOLE TOOL |