(19)

(11)

EP 2 231 476 A1

(12)

(43) Date of publication: 29.09.2010 Bulletin 2010/39 (21) Application number: 07873688.1 (22) Date of filing: 21.12.2007

(51) International Patent Classification (IPC):  B64D 39/00(2006.01) (86) International application number: PCT/US2007/088608 (87) International publication number: WO 2009/082400 (02.07.2009 Gazette 2009/27)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (71) Applicant: The Boeing Company Chicago, IL 60606-2016 (US)	(72) Inventors: CANNON, George E., Jr. Kechi, Kansas 67067 (US) CANTOR, Adam M. Wichita, Kansas 67230 (US) OLMSTEAD, Olin K. Winfield, Kansas 67156-9496 (US) WHARTON, Patrick M. Kechi, Kansas 67067 (US) (74) Representative: McLeish, Nicholas Alistair Maxwell et al Boult Wade Tennant Verulam Gardens 70 Gray's Inn Road London WC1X 8BT London WC1X 8BT (GB)