METHOD FOR ALTERING SURFACE OF METAL, AND METALLIC PRODUCT

(19)

(11)

EP 3 205 742 B8

(12)	CORRECTED EUROPEAN PATENT SPECIFICATION
	Note: Bibliography reflects the latest situation

(15)	Correction information:
	Corrected version no 1 (W1 B1)

(48)	Corrigendum issued on:
	13.05.2020 Bulletin 2020/20

(45)	Mention of the grant of the patent:
	26.02.2020 Bulletin 2020/09

(21)	Application number: 15848710.8

(22)	Date of filing: 05.10.2015

(51)

International Patent Classification (IPC):

C23C 12/00^(2006.01)
C22F 1/00^(2006.01)
C23C 8/24^(2006.01)
C23C 8/02^(2006.01)
C23C 10/02^(2006.01)
C23C 10/30^(2006.01)
C23C 10/34^(2006.01)
C23C 12/02^(2006.01)
C23C 8/08^(2006.01)

C21D 1/06^(2006.01)
C22F 1/10^(2006.01)
C23C 8/26^(2006.01)
C23C 8/80^(2006.01)
C23C 10/28^(2006.01)
C23C 10/32^(2006.01)
C23C 10/36^(2006.01)
C23C 28/00^(2006.01)

(86)	International application number:
	PCT/JP2015/078129

(87)	International publication number:
	WO 2016/056491 (14.04.2016 Gazette 2016/15)

(54)	METHOD FOR ALTERING SURFACE OF METAL, AND METALLIC PRODUCT VERFAHREN ZUR VERÄNDERUNG DER OBERFLÄCHE VON EINES METALLS AUF EISENBASIS PROCÉDÉ DE MODIFICATION DE LA SURFACE D'UN MÉTAL À BASE DE FER

(84)	Designated Contracting States:
	AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30)

Priority:

07.10.2014 JP 2014206236

(43)	Date of publication of application:
	16.08.2017 Bulletin 2017/33

(73)	Proprietor: Air Water NV Inc.
	Amagasaki-shi, Hyogo 660-0091 (JP)

(72)	Inventors:
	FUJIKAWA Hisao Amagasaki-shi Hyogo 660-0091 (JP) MIYAMOTO Atsushi Amagasaki-shi Hyogo 660-0091 (JP) FUJITA Morihiro Amagasaki-shi Hyogo 660-0091 (JP)

(74)	Representative: Hering, Hartmut
	Patentanwälte Berendt, Leyh & Hering Innere Wiener Strasse 20 81667 München 81667 München (DE)

(56)

References cited: :

JP-A- H01 177 354
JP-A- S57 134 551
JP-A- 2006 249 486
JP-A- 2010 007 134
RU-C1- 2 010 886

JP-A- S57 134 551
JP-A- S63 274 753
JP-A- 2008 150 706
JP-A- 2013 185 220
US-A- 4 242 151

ZENG D ET AL: "Formation of hard surface layer on austenitic stainless steels via simultaneous chromising and nitriding by pack cementation process", APPLIED SURFACE SCIENCE, ELSEVIER, AMSTERDAM, NL, vol. 258, no. 12, 31 January 2012 (2012-01-31), pages 5175-5178, XP028464720, ISSN: 0169-4332, DOI: 10.1016/J.APSUSC.2012.01.167 [retrieved on 2012-02-08]
TIAN HUA: "Chromizing Subsequent Solid Solution Nitriding Multiple Process of 304 Stainless Steel", RECHULI JISHU YU ZHUANGBEI - HEAT TREATMENT TECHNOLOGY AND EQUIPMENT, JIANGXI SHENG KEXUEYUAN YINGYONG WULI YANJIUSUO, CN , vol. 27, no. 4 1 April 2006 (2006-04-01), pages 29-32, XP009504688, ISSN: 1673-4971 Retrieved from the Internet: URL:http://en.cnki.com.cn/Article_en/CJFDT OTAL-GWRC200604007.htm
FUJIKAWA H ET AL: "Advanced surface hardening techniques using gas process", DIFFUSION AND DEFECT DATA. PART B: SOLID STATE PHENOMENA, SCITEC PUBLICATIONS LTD, CH, vol. 118, 1 January 2006 (2006-01-01), pages 161-166, XP009504607, ISSN: 1012-0394, DOI: 10.4028/WWW.SCIENTIFIC.NET/SSP.118.161 [retrieved on 2006-12-01]

Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).