(19)
(11) EP 2 920 072 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:
11.11.2020 Bulletin 2020/46

(45) Mention of the grant of the patent:
02.09.2020 Bulletin 2020/36

(21) Application number: 13854460.6

(22) Date of filing: 14.11.2013
(51) International Patent Classification (IPC): 
F01D 5/14(2006.01)
B23P 15/04(2006.01)
(86) International application number:
PCT/US2013/069973
(87) International publication number:
WO 2014/078467 (22.05.2014 Gazette 2014/21)

(54)

FAN BLADE AND CORRESPONDING METHOD OF MANUFACTURING

FAN-LAUFSCHAUFEL UND ZUGEHÖRIGES HERSTELLUNGSVERFAHREN

AUBE ROTORIQUE DE SOUFFLANTE ET PROCÉDÉ ASSOCIÉ DE FABRICATION


(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: 19.11.2012 US 201261727786 P
30.09.2013 US 201361884295 P

(43) Date of publication of application:
23.09.2015 Bulletin 2015/39

(60) Divisional application:
20193959.2

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

(72) Inventors:
  • WORTH, Edwin M.
    Northville, Michigan 48168 (US)
  • TILLMAN, Thomas G.
    West Hartford, Connecticut 06119 (US)
  • SCHWARZ, Frederick M.
    Glastonbury, Connecticut 06033 (US)

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


(56) References cited: : 
EP-A2- 2 362 066
US-A- 5 299 353
US-A- 5 908 285
US-A1- 2005 254 955
US-A- 4 839 245
US-A- 5 603 603
US-A- 5 908 285
US-B2- 8 057 177
   
       
    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).