(19)
(11) EP 3 476 819 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:
15.02.2023 Bulletin 2023/07

(45) Mention of the grant of the patent:
14.12.2022 Bulletin 2022/50

(21) Application number: 17199332.2

(22) Date of filing: 31.10.2017
(51) International Patent Classification (IPC): 
B22F 3/14(1968.09)
C04B 35/5831(1995.01)
C04B 35/645(1995.01)
B22F 5/00(1968.09)
 B24D 18/00(1985.01)
C04B 35/63(1995.01)
C22C 26/00(1985.01)
B22F 7/06(1968.09)
(52) Cooperative Patent Classification (CPC):
B22F 2007/066; B22F 3/14; C04B 35/5831; C04B 35/6303; C04B 35/645; C04B 2235/40; C04B 2235/402; C04B 2235/404; C04B 2235/405; C04B 2235/5436; C04B 2235/80; B24D 18/0009; C22C 2026/003; C22C 26/00; B22F 2005/002

(54)

PCBN COMPACT FOR MACHINING OF FERROUS ALLOYS

PCBN-BAUTEIL ZUR BEARBEITUNG VON EISENLEGIERUNGEN

PCBN COMPACT POUR L'USINAGE D'ALLIAGES FERREUX

(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: 25.10.2017 US 201715793098

(43) Date of publication of application:
01.05.2019 Bulletin 2019/18

(73) Proprietor: Diamond Innovations, Inc.
Worthington, OH 43085 (US)

(72) Inventors:
  • DUES, Lawrence Thomas
    Dublin, OH 43017 (US)
  • YUMOTO, Kenji
    Gifu-Ken, 503-0895 (JP)

(74) Representative: Murgitroyd & Company 
Murgitroyd House 165-169 Scotland Street
Glasgow G5 8PL
Glasgow G5 8PL (GB)


(56) References cited: : 
EP-A1- 2 266 730
US-A- 3 743 489
 JP-A- 2011 189 421
US-A1- 2005 226 691
   
  • YONGJUN LI ET AL: "Study of high-pressure sintering behavior of cBN composites starting with cBN-Al mixtures", JOURNAL OF MATERIALS RESEARCH, vol. 23, no. 9, 1 September 2008 (2008-09-01), pages 2366-2372, XP055376825, US ISSN: 0884-2914, DOI: 10.1557/jmr.2008.0316
  • THADDEUS B MASSALSKI (EDITOR): "Binary Alloy Phase Diagrams, Co-W (Cobalt-Tungsten)", BINARY ALLOY PHASE DIAGRAMS, AMERICAN SOCIETY OF METALS, US, vol. 2, 1 January 1990 (1990-01-01), pages 1257-1259, XP002438271,
   
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).