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(11)

EP 2 556 513 A1

(12)

(43) Date of publication: 13.02.2013 Bulletin 2013/07 (21) Application number: 10849578.9 (22) Date of filing: 05.04.2010

(51) International Patent Classification (IPC):  G21G 4/00(2006.01) (86) International application number: PCT/US2010/029954 (87) International publication number: WO 2011/126473 (13.10.2011 Gazette 2011/41)

(84) Designated Contracting States: 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 SE SI SK SM TR (71) Applicant: Miltec Corporation Stevensville, Maryland 21666 (US)	(72) Inventor: BLANDFORD, III, Joseph, Bernard Stevensville, Maryland 21666 (US) (74) Representative: Schlief, Thomas P.  Patentanwälte Canzler & Bergmeier Friedrich-Ebert-Straße 84 85055 Ingolstadt 85055 Ingolstadt (DE)