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Sumitomo Electric Hardmetal Corp. Patents
Assignee:
Sumitomo Electric Hardmetal Corp.
Address:
Hyogo, JP
No. of patents:
26
Patents:




Patent Number Title Of Patent Date Issued
D595751 Throwaway insert for metal cutting tool July 7, 2009
D595323 Throwaway insert for metal cutting tool June 30, 2009
D595322 Throwaway insert for metal cutting tool June 30, 2009
D589542 Throwaway insert for a pin mirror cutter March 31, 2009
D588616 Indexable insert of cutting edge for metal cutting tools March 17, 2009
D585467 Throwaway insert for a pin mirror cutter January 27, 2009
D579470 Throwaway insert for metal cutting tool October 28, 2008
D572279 Throwaway insert for a pin mirror cutter July 1, 2008
D556225 End mill November 27, 2007
D555683 End mill November 20, 2007
D553169 End mill October 16, 2007
7591209 Vibration suppressing cutting tool September 22, 2009
An object is to provide a vibration suppressing cutting tool which is inexpensive and can damp chattering extremely effectively, and which is simple in structure and is applicable to a wide variety of machining diameters and cutting conditions.The shank 2 of the holder 1 is formed wi
7544024 Coated cutting insert and manufacturing method thereof June 9, 2009
The present invention relates to a coated cutting insert having a substrate, a base layer which is formed on the substrate and an indicating layer which is formed on a portion of the base layer, characterized in that in this substrate, at least one surface serves as a rake face, at l
7527457 Surface-coated cutting tool May 5, 2009
A surface-coated cutting tool includes a base material on which formed an inner layer composed of a compound containing Al, at least one of elements Cr and V and at least one element selected from the group consisting of nitrogen, carbon and oxygen, and an outermost layer composed of
7524785 Cubic boron nitride sintered body April 28, 2009
The present invention provides a cubic boron nitride sintered body, which achieves both of superior chipping resistance and wear resistance. In accordance with a first aspect of the present invention, a cubic boron nitride (cBN) sintered body contains cubic boron nitride particles and a
7524148 Indexable insert April 28, 2009
A superhard sintered body containing cubic boron nitride is bonded to an apical angle part of a tool body having a polygonal shape, and an edge and a chip breaker are formed on the superhard sintered body. A chamfer is formed on the intersection between the upper surface and the side
7520701 Cbn cutting tool for high-quality, high-efficiency cutting April 21, 2009
It is an object to provide a CBN cutting tool using cBN-based sintered bodies which shows high resistance to chipping even when a hard ferric workpiece which is difficult to cut is cut at a high feed rate for high-speed, high-efficiency machining, and which can provide a machined sur
7500810 Insert with replaceable cutting edge and corner milling cutter with replaceable cutting edge March 10, 2009
A replaceable-blade cutting insert for corner milling cutters has a first and second surface; a third and fourth surface connected to a first side edge and a second side edge thereof respectively; and a fifth and sixth surface connected to a first edge and a second edge of the first surf
7498089 Coated cutting tool having coating film on base March 3, 2009
The present invention relates to a coated cutting tool equipped with a substrate and a coating formed on the substrate. The coating includes: a compound formed from elements Al and/or Cr and at least one element selected from a group consisting of carbon, nitrogen, oxygen, and boron;
7490536 Vibration-suppressing cutting tool February 17, 2009
A holder 1 has a shank portion 2 provided with a pocket 4 having the shape of a nearly rectangular solid. The pocket 4 is placed at a position relatively close to the tip of the tool. In the cross section of the shank, the pocket 4 has a width of 50% to 100% of the shank diameter or
7410707 Surface-coated cutting tool August 12, 2008
The present invention provides a surface-coated cutting tool comprising a coating film on a base, while the coating film comprises a hard layer constituted of a compound selected from a nitride, a carbonitride, an oxynitride and a carboxynitride of at least one primary element selected
7404399 Diamond tool, synthetic single crystal diamond and method of synthesizing single crystal diamond July 29, 2008
Various types of diamond tools are provided by utilizing the fact that a synthetic single crystal diamond for use in a tool having a nitrogen content of 3 ppm or less exhibits an enhanced hardness in a (100) plane in a <111> direction and simultaneously the reduction in defects.
7281884 Throw-away insert and milling cutter using a throw-away insert October 16, 2007
A throw-away insert includes: an upper surface; a bottom surface; two side surfaces formed with upper side surfaces and lower side surfaces; two end surfaces; four nose sections formed at the corners of the upper surface; a main cutting section formed from a ridge line positioned at the
7261497 Throw-away insert and milling cutter using throw-away insert August 28, 2007
A throw-away insert includes: an upper and bottom surface; two side surfaces; two end surfaces; a main cutting section formed from a ridge line positioned at the intersection between the side surfaces and the upper surface; a secondary cutting section formed from a ridge line positio
7131314 Material for diamond sintered body die and diamond sintered body die November 7, 2006
To provide a diamond compact die semi-manufactured product and a diamond compact die that do not crack during die processing.A diamond compact die semi-manufactured product includes a diamond compact and a holding ring. The holding ring is a cylinder composed of a tungsten alloy, and the
7081424 High-strength, highly thermally conductive sintered compact of cubic boron nitride July 25, 2006
The present high-strength, highly thermally conductive sintered compact of cubic boron nitride contains cubic boron nitride (cBN) grains and a binder binding the grains. More specifically, it is formed of at least 40% by volume and at most 85% by volume of cBN grains, and a binder co

 
 
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