Title:
超硬質構造物とその製造方法
Document Type and Number:
Japanese Patent JP6585179
Kind Code:
B2
Abstract:
A superhard polycrystalline construction (30) comprises a first region (34) comprising a body of thermally stable polycrystalline superhard material having an exposed surface forming a working surface (4), and a peripheral side edge (6), a second region (32) forming a substrate to the first region, and a third region (36) at least partially interposed between the first and second regions wherein the third region comprises a material more acid resistant than polycrystalline diamond material having a binder-catalyst phase comprising cobalt, and/or more acid resistant than cemented carbide material.
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Inventors:
Nedlet, Kang
Cedaie, salehi
Cedaie, salehi
Application Number:
JP2017545337A
Publication Date:
October 02, 2019
Filing Date:
February 26, 2016
Export Citation:
Assignee:
ELEMENT SIX (UK) LIMITED
International Classes:
E21B10/46; B23B27/14; B23B27/18; B23B27/20; C04B35/528
Domestic Patent References:
| JP2007514083A | ||||
| JP52107243A | ||||
| JP2004291040A | ||||
| JP2010099916A | ||||
| JP60145973A |
Foreign References:
| US20060266558 | ||||
| US20080206576 | ||||
| US20090071727 |
Attorney, Agent or Firm:
Hiroyuki Nagai
Yukitaka Nakamura
Yasukazu Sato
Satoru Asakura
Kazuma Kojima
Yukitaka Nakamura
Yasukazu Sato
Satoru Asakura
Kazuma Kojima