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METHOD FOR TREATMENT OF METAL SURFACE, AND SURFACE-MODIFIED METAL PRODUCT 新技術説明会

外国特許コード F110005013
整理番号 S2010-0290-C0
掲載日 2011年8月10日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2010JP073825
国際公開番号 WO 2011/092998
国際出願日 平成22年12月29日(2010.12.29)
国際公開日 平成23年8月4日(2011.8.4)
優先権データ
  • 特願2010-017567 (2010.1.29) JP
発明の名称 (英語) METHOD FOR TREATMENT OF METAL SURFACE, AND SURFACE-MODIFIED METAL PRODUCT 新技術説明会
発明の概要(英語) Disclosed is a method for treating the surface of a metal, which enables the improvement in surface properties such as surface hardness and wear resistance of a metal of interest in a simple manner and at low cost using only an extremely simple facility, and in which the deterioration of the metal can be prevented and therefore high value can be added to the metal. Specifically disclosed is a metal surface treatment method characterized by heating a metal (10) of which the surface is to be treated in a nitrogen gas atmosphere (S) in such a state where the metal (10) is embedded in a carbon source powder (12) comprising a carbon powder and a powder of iron or an iron alloy mainly composed of iron and containing carbon, whereby at least the surface of the metal (10) is nitrogenated or nitrogen is absorbed in at least the surface of the metal (10) to modify the surface.
  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • NATIONAL UNIVERSITY CORPORATION KUMAMOTO UNIVERSITY
  • 発明者(英語)
  • MORIZONO Yasuhiro
  • TSUREKAWA Sadahiro
  • SAKO Tatsuya
  • NEMOTO Hiroyuki
  • KAWANO Yuka
国際特許分類(IPC)
指定国 AE(UTILITY MODEL),AG,AL(UTILITY MODEL),AM(PROVISIONAL PATENT)(UTILITY MODEL),AO(UTILITY MODEL),AT(UTILITY MODEL),AU,AZ(UTILITY MODEL),BA,BB,BG(UTILITY MODEL),BH(UTILITY MODEL),BR(UTILITY MODEL),BW,BY(UTILITY MODEL),BZ(UTILITY MODEL),CA,CH,CL(UTILITY MODEL),CN(UTILITY MODEL),CO(UTILITY MODEL),CR(UTILITY MODEL),CU(INVENTOR'S CERTIFICATE),CZ(UTILITY MODEL),DE(UTILITY MODEL),DK(UTILITY MODEL),DM,DO(UTILITY MODEL),DZ,EC(UTILITY MODEL),EE(UTILITY MODEL),EG(UTILITY MODEL),ES(UTILITY MODEL),FI(UTILITY MODEL),GB,GD,GE(UTILITY MODEL),GH(UTILITY CERTIFICATE),GM,GT(UTILITY MODEL),HN(UTILITY MODEL),HR(CONSENSUAL PATENT),HU(UTILITY MODEL),ID,IL,IN,IS,JP(UTILITY MODEL),KE(UTILITY MODEL),KG(UTILITY MODEL),KM,KN,KP(INVENTOR'S CERTIFICATE)(UTILITY MODEL),KR(UTILITY MODEL),KZ(PROVISIONAL PATENT)(UTILITY MODEL),LA,LC,LK,LR,LS(UTILITY MODEL),LT,LU,LY,MA,MD(UTILITY MODEL),ME,MG,MK,MN,MW,MX(UTILITY MODEL),MY(UTILITY-INNOVATION),MZ(UTILITY MODEL),NA,NG,NI(UTILITY MODEL),NO,NZ,OM(UTILITY MODEL),PE(UTILITY MODEL),PG,PH(UTILITY MODEL),PL(UTILITY MODEL),PT(UTILITY MODEL),RO,RS(PETTY PATENT),RU(UTILITY MODEL),SC,SD,SE,SG,SK(UTILITY MODEL),SL(UTILITY MODEL),SM,ST,SV(UTILITY MODEL),SY,TH(PETTY PATENT),TJ(UTILITY MODEL),TM(PROVISIONAL PATENT),TN,TR(UTILITY MODEL),TT(UTILITY CERTIFICATE),TZ,UA(UTILITY MODEL),UG(UTILITY CERTIFICATE),US,UZ(UTILITY MODEL),VC(UTILITY CERTIFICATE),VN(PATENT FOR UTILITY SOLUTION),ZA,ZM,ZW,EP(AL,AT,BE,BG,CH,CY,CZ,DE,DK,EE,ES,FI,FR,GB,GR,HR,HU,IE,IS,IT,LT,LU,LV,MC,MK,MT,NL,NO,PL,PT,RO,RS,SE,SI,SK,SM,TR),OA(BF(UTILITY MODEL),BJ(UTILITY MODEL),CF(UTILITY MODEL),CG(UTILITY MODEL),CI(UTILITY MODEL),CM(UTILITY MODEL),GA(UTILITY MODEL),GN(UTILITY MODEL),GQ(UTILITY MODEL),GW(UTILITY MODEL),ML(UTILITY MODEL),MR(UTILITY MODEL),NE(UTILITY MODEL),SN(UTILITY MODEL),TD(UTILITY MODEL),TG(UTILITY MODEL)),AP(BW(UTILITY MODEL),GH(UTILITY MODEL),GM(UTILITY MODEL),KE(UTILITY MODEL),LR(UTILITY MODEL),LS(UTILITY MODEL),MW(UTILITY MODEL),MZ(UTILITY MODEL),NA(UTILITY MODEL),SD(UTILITY MODEL),SL(UTILITY MODEL),SZ(UTILITY MODEL),TZ(UTILITY MODEL),UG(UTILITY MODEL),ZM(UTILITY MODEL),ZW(UTILITY MODEL)),EA(AM,AZ,BY,KG,KZ,MD,RU,TJ,TM)
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