Tag Archives: hardened

Non-crystal alloy formed workpieces with hardened surface and production thereof

Application Number  00128540 Application Date  2000.11.17 Publication Number  1300872 Publication Date  2001.06.27 Priority Information   1999/11/18 JP 327874/1999   International Classification  C23C8/00;C22C45/00;G02B6/36;A63B53/04   Applicant(s) Name  YKK Corp.   Address     Inventor(s) Name  Ofna Shinobu   Patent Agency Code  11038 Patent Agent  duan chengen AbstractA ceramic hard layer is formed on the surface of a… Read More »

Aged hardened toolsteel tungsten argon arc welding metal powder core surfacing welding rod

Application Number: 00124471Application Date: 2000.09.08Publication Number: 1281767Publication Date: 2001.01.31Priority Information: International: B23K35/30Applicant(s) Name: Beijing Polytechnic Univ.Address: Inventor(s) Name: Wei Qi;Chen Jingrong;Hu QiangPatent Agency Code: 11203Patent Agent: zhang yanhuiAbstract The composition of metal powder core of said invented surfacing welding rod is formed from (wt%) Co: 7-46%, Ni: 3-28%, Mo: 0-30%, Fe-Mo: 0-40%, W: 0-40%, Fe-W:… Read More »

Method for making non-sintered hardened body

Application Number: 00107061Application Date: 2000.04.25Publication Number: 1276355Publication Date: 2000.12.13Priority Information: 1999/6/7 JP 159811/99International: C04B28/18Applicant(s) Name: K. K. InaAddress: Inventor(s) Name: Susumi Hirohito;Maenami Yoteru;Sugie TsunekiPatent Agency Code: 31100Patent Agent: chen jianhuaAbstract The present invention provided a method for producing an unburned cured product which has a practical strength, by using a siliceous substance and a calcareous… Read More »

Locally heat-treated and hardened screw

Application Number: 00100158Application Date: 2000.01.12Publication Number: 1260450Publication Date: 2000.07.19Priority Information: 1999/1/13 US 09/229,435International: C21D1/19;F16B23/00Applicant(s) Name: Illinois Tool Works, Inc.Address: Inventor(s) Name: Mark D. Bayer;William A. Spulin;Mike StarozhitsgiPatent Agency Code: 72002Patent Agent: cheng weiAbstract A carbon steel screw has one or more portions which have been selectively hardened by selective heat treatment and quenching. In one… Read More »