Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
CEMENTED CARBIDE TOOL AND METHOD FOR FORMING THE SAME
Document Type and Number:
Japanese Patent JP2012091318
Kind Code:
A
Abstract:

To provide a method for sintering a blank in an atmosphere having, generally, at least partial pressure so as to adjust the depth of a binder concentration zone as a method for generating a product having further favorable characteristics (and product itself), (and attained product).

There are provided a cemented carbide tool 20 and a method for forming the same in which a base substance 30 having the non-layered binder concentration zone having a substantially uniform thickness extending inwardly toward a bulk region as sintered is formed by being sintered in the atmosphere having at least the partial pressure, temporarily nitrogen partial pressure to be coated.


Inventors:
LIU YIXIONG
BOTBYL DONALD A
GRAB GEORGE P
GREENFIELD MARK S
Application Number:
JP2011282756A
Publication Date:
May 17, 2012
Filing Date:
December 26, 2011
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
KENNAMETAL INC
LIU YIXIONG
BOTBYL DONALD A
GRAB GEORGE P
GREENFIELD MARK S
International Classes:
B23B27/14; B22F3/24; B22F7/00; B23P15/28; C22C1/05; C22C29/00; C22C29/02; C22C29/08; C23C14/06; C23C16/34; C23C16/36; C23C16/40; C23C30/00
Domestic Patent References:
JPH0693473A1994-04-05
Foreign References:
US5716170A1998-02-10
US5955186A1999-09-21
Other References:
JPN6013026205; JISハンドブック 工具-1980 , 19800412, 第505-510頁, 財団法人 日本規格協会
Attorney, Agent or Firm:
Atsushi Nakajima
Kato Kazunori
Katsuichi Nishimoto