(19)

(11)

EP 2 550 411 A1

(12)

(43) Date of publication: 30.01.2013 Bulletin 2013/05 (21) Application number: 11760009.8 (22) Date of filing: 22.03.2011

(51) International Patent Classification (IPC):  E04B 1/32(2006.01) (86) International application number: PCT/US2011/029291 (87) International publication number: WO 2011/119515 (29.09.2011 Gazette 2011/39)

(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: 24.03.2010 US 659886 (71) Applicant: M.I.C. Industries, Inc. Reston, VA 20190 (US)	(72) Inventors: ANDERSON, Todd, E. Duncansville, PA 16635 (US) MORELLO, Frederick Johnstown, PA 15904 (US) (74) Representative: Zeller, Andreas  Jones Day Prinzregentenstraße 11 80538 München 80538 München (DE)