(19)
(11) EP 0 514 480 A1

(12)

(43) Date of publication:
25.11.1992 Bulletin 1992/48

(21) Application number: 91904760.0

(22) Date of filing: 05.02.1991
(51) International Patent Classification (IPC): 
C22C 38/ 00( . )
C22C 38/ 52( . )
(86) International application number:
PCT/US1991/000779
(87) International publication number:
WO 1991/012352 (22.08.1991 Gazette 1991/19)
(84) Designated Contracting States:
AT DE ES FR GB IT SE

(30) Priority: 06.02.1990 US 19900475773

(71) Applicant: CARPENTER TECHNOLOGY CORPORATION
Reading, Pennsylvania 19601 (US)

(72) Inventors:
  • HEMPHILL, Raymond, M.
    Wyomissing, PA 19610 (US)
  • WERT, David, E.
    West Lawn, PA 19609 (US)
  • NOVOTNY, Paul, M.
    Mohnton, PA 19540 (US)
  • SCHMIDT, Michael, L.
    Wyomissing, PA 19610 (US)

(74) Representative: Hale, Stephen Geoffrey, et al 
J.Y. & G.W. Johnson Furnival House 14/18 High Holborn
London WC1V 6DE
London WC1V 6DE (GB)

   


(54) HIGH STRENGTH, HIGH FRACTURE TOUGHNESS ALLOY