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(11)

EP 2 763 751 A1

(12)

(43) Date of publication: 13.08.2014 Bulletin 2014/33 (21) Application number: 11770980.8 (22) Date of filing: 06.10.2011

(51) International Patent Classification (IPC):  A62C 13/22(2006.01) (86) International application number: PCT/US2011/055091 (87) International publication number: WO 2013/052055 (11.04.2013 Gazette 2013/15)

(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 (71) Applicant: Alliant Techsystems Inc. Minneapolis, Minnesota 55344 (US)	(72) Inventor: SAMPSON, William P. North Ogden, Utah 84414 (US) (74) Representative: Lang, Johannes  Bardehle Pagenberg Partnerschaft mbB Patentanwälte, Rechtsanwälte Prinzregentenplatz 7 81675 München 81675 München (DE)