(19)
(11) EP 1 697 617 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:
22.07.2015 Bulletin 2015/30

(45) Mention of the grant of the patent:
10.06.2015 Bulletin 2015/24

(21) Application number: 04789719.4

(22) Date of filing: 08.10.2004
(51) International Patent Classification (IPC): 
F01D 9/00(2006.01)
 F01D 11/00(2006.01)
(86) International application number:
PCT/CA2004/001810
(87) International publication number:
WO 2005/042926 (12.05.2005 Gazette 2005/19)

(54)

GAS TURBINE BLADE SHROUD WITH IMPROVED LEAKAGE CONTROL

DECKBAND EINER GASTURBINE MIT VERBESSERTER LECKSTEUERUNG

ENVELOPPE D'AUBE DE TURBINE À GAZ AVEC CONTRÔLE DE FUITE AMELIORÉ

(84) Designated Contracting States:
DE FR GB

(30) Priority: 28.10.2003 US 693961

(43) Date of publication of application:
06.09.2006 Bulletin 2006/36

(73) Proprietor: Pratt & Whitney Canada Corp.
Longueuil, Québec J4G 1A1 (CA)

(72) Inventor:
  • JUTRAS, M.
    Montreal, Quebec H1Y 3M2 (CA)

(74) Representative: Leckey, David Herbert 
Dehns St Bride's House 10 Salisbury Square
London EC4Y 8JD
London EC4Y 8JD (GB)


(56) References cited: : 
EP-A- 0 058 532
WO-A-03/027445
US-A1- 2003 047 878
 EP-A2- 0 058 532
WO-A1-00/70192
US-A1- 2003 047 878
   
       
    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).