公开(公告)号：US10603720B2

公开(公告)日：2020-03-31

申请号：US15026286

申请日：2014-10-08

Applicant: SUMITOMO ELECTRIC HARDMETAL CORP. ,  Sumitomo Electric Industries, Ltd.

Inventor： Taisuke Higashi ,  Tadashi Yamaguchi ,  Shinichiro Yurugi ,  Mari Sogabe

IPC: B22F7/06 ,  C22C26/00 ,  B23B27/20 ,  B22F5/00 ,  B24D3/06 ,  B24D18/00 ,  C22C29/00 ,  C22C29/02

Abstract: A bonded diamond body having a high bonded strength is provided. The bonded diamond body includes a sintered polycrystalline diamond body, a hard substrate, and a hard layer provided between the sintered polycrystalline diamond body and the hard substrate, the sintered polycrystalline diamond body containing a diamond grain and a sintering aid, the hard substrate containing tungsten carbide and cobalt, and the hard layer containing cobalt and a hard grain made of a carbide, a nitride, or a carbonitride having a Vickers hardness of 1100 Hv or more.

公开(公告)号：US10894305B2

公开(公告)日：2021-01-19

申请号：US16624982

申请日：2019-03-27

Applicant: SUMITOMO ELECTRIC HARDMETAL CORP.

Inventor： Takeshi Sato ,  Tadashi Yamaguchi ,  Shinichiro Yurugi

IPC: B24B53/12 ,  B24B53/017 ,  B24B53/047 ,  B24D5/06 ,  B24B53/14

Abstract: A dresser includes: a mount component; and a cutting edge component inserted in the mount component at a base end portion side, wherein the portion of the cutting edge component inserted in the mount component has one or more portions in each of which an area of a cross section is increased from the front end portion side toward the base end portion side in the insertion direction, and a ratio L1/M1 of a length L1 and a maximum value M1 is more than or equal to 2.1, where L1 represents a length of the portion of the cutting edge component inserted in the mount component and M1 represents a maximum value of a diameter of a circle having an area equal to the area of the cross section of the portion of the cutting edge component inserted in the mount component.

公开(公告)号：US12128482B2

公开(公告)日：2024-10-29

申请号：US16972162

申请日：2019-03-27

Applicant: SUMITOMO ELECTRIC HARDMETAL CORP.

Inventor： Hirotsugu Iwasaki ,  Jinning Li ,  Tadashi Yamaguchi ,  Shinichiro Yurugi

IPC: B23B27/14 ,  B22F3/12 ,  B22F7/00 ,  B22F7/06 ,  B22F5/00

CPC classification number: B23B27/14 ,  B22F3/12 ,  B22F7/008 ,  B22F7/06 ,  B22F2005/001 ,  B22F2302/406 ,  B23B2226/315

Abstract: A diamond joined body is a diamond joined body including a hard substrate and a polycrystalline diamond layer arranged on the hard substrate, wherein an area ratio of carbon grains in a region of the hard substrate is less than 0.03%, the region being a region enclosed by an interface between the hard substrate and the polycrystalline diamond layer and an imaginary line x in a cross section parallel to a normal direction of the interface, the imaginary line x being parallel to the interface on the hard substrate side and having a distance of 500 μm from the interface.

公开(公告)号：USD879847S1

公开(公告)日：2020-03-31

申请号：US29709169

申请日：2019-10-11

Applicant: Sumitomo Electric Hardmetal Corp.

Designer： Takeshi Sato ,  Tadashi Yamaguchi ,  Shinichiro Yurugi

公开(公告)号：US20160221080A1

公开(公告)日：2016-08-04

申请号：US15026286

申请日：2014-10-08

Applicant: SUMITOMO ELECTRIC HARDMETAL CORP. ,  Sumitomo Electric Industries Ltd.

Inventor： Taisuke Higashi ,  Tadashi Yamaguchi ,  Shinichiro Yurugi ,  Mari Sogabe

IPC: B22F7/06 ,  C22C29/02 ,  B22F5/00 ,  B24D18/00 ,  B24D3/06 ,  C22C29/00 ,  C22C26/00

CPC classification number: B22F7/064 ,  B22F5/00 ,  B22F7/06 ,  B22F2005/001 ,  B23B27/20 ,  B23B2226/315 ,  B24D3/06 ,  B24D18/0009 ,  C22C26/00 ,  C22C29/005 ,  C22C29/02 ,  C22C2204/00

Abstract: A bonded diamond body having a high bonded strength is provided. The bonded diamond body includes a sintered polycrystalline diamond body, a hard substrate, and a hard layer provided between the sintered polycrystalline diamond body and the hard substrate, the sintered polycrystalline diamond body containing a diamond grain and a sintering aid, the hard substrate containing tungsten carbide and cobalt, and the hard layer containing cobalt and a hard grain made of a carbide, a nitride, or a carbonitride having a Vickers hardness of 1100 Hv or more.

Abstract translation: 提供了具有高粘合强度的粘结金刚石体。 结合金刚石体包括烧结多晶金刚石体，硬质基底和设置在烧结多晶金刚石体与硬质基底之间的硬质层，含有金刚石晶粒的烧结多晶金刚石体和烧结助剂，含有钨的硬质基体 碳化物和钴，以及硬度为含有钴的硬质层和由维氏硬度为1100Hv以上的碳化物，氮化物或碳氮化物制成的硬质粒子。

公开(公告)号：USD879846S1

公开(公告)日：2020-03-31

申请号：US29709164

申请日：2019-10-11

Applicant: Sumitomo Electric Hardmetal Corp.

Designer： Takeshi Sato ,  Tadashi Yamaguchi ,  Shinichiro Yurugi

公开(公告)号：USD872780S1

公开(公告)日：2020-01-14

申请号：US29627926

申请日：2017-11-30

Applicant: SUMITOMO ELECTRIC HARDMETAL CORP.

Designer： Takeshi Sato ,  Tadashi Yamaguchi ,  Shinichiro Yurugi