(19)
(11) EP 2 855 854 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:
07.04.2021 Bulletin 2021/14

(45) Mention of the grant of the patent:
03.03.2021 Bulletin 2021/09

(21) Application number: 13827123.4

(22) Date of filing: 20.05.2013
(51) International Patent Classification (IPC): 
F01D 5/18(2006.01)
F02C 7/12(2006.01)
 F01D 25/12(2006.01)
(86) International application number:
PCT/US2013/041776
(87) International publication number:
WO 2014/025440 (13.02.2014 Gazette 2014/07)

(54)

AIRFOIL MANUFACTURING METHOD AND AIRFOIL

HERSTELLUNGSVERFAHREN EINER SCHAUFEL UND SCHAUFEL

PROCÉDÉ DE FABRICATION D'UNE AUBE ET AUBE ASSOCIÉE

(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: 31.05.2012 US 201213484767

(43) Date of publication of application:
08.04.2015 Bulletin 2015/15

(73) Proprietor: Raytheon Technologies Corporation
Farmington, CT 06032 (US)

(72) Inventors:
  • BEATTIE, Jeffrey S.
    South Glastonbury, Connecticut 06073 (US)
  • JACQUES, Jeffrey Michael
    East Hartford, Connecticut 06118 (US)
  • PIGGUSH, Justin D.
    La Crosse, Wisconsin 54601 (US)

(74) Representative: Dehns 
St. Bride's House 10 Salisbury Square
London EC4Y 8JD
London EC4Y 8JD (GB)


(56) References cited: : 
EP-A1- 2 193 859
US-A1- 2004 151 587
US-A1- 2005 274 478
US-A1- 2010 129 217
 US-A1- 2003 228 221
US-A1- 2004 202 542
US-A1- 2008 219 855
US-A1- 2012 027 619
   
       
    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).