Herbas VPB

Print
EN | LT
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)
C22F 1/06 (2013.01)
B21C 23/00 (2006.01)
E21B 33/12 (2013.01)
B22D 21/04 (2006.01)
B22D 21/04 (2013.01)
C22F 1/06 (2006.01)
C22F 1/00 (2013.01)
E21B 33/12 (2006.01)
B21C 23/00 (2013.01)
C22F 1/00 (2006.01)
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
Date 2016-12-26
PCT application publication
(87) Number WO 2017/111159
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