(19)

(11)

EP 2 041 378 A1

(12)

(43) Date of publication: 01.04.2009 Bulletin 2009/14 (21) Application number: 07720055.8 (22) Date of filing: 26.06.2007

(51) International Patent Classification (IPC):  E04B 5/10(2006.01) E04C 3/07(2006.01) E04B 5/02(2006.01) (86) International application number: PCT/CA2007/001142 (87) International publication number: WO 2008/000075 (03.01.2008 Gazette 2008/01)

(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 (30) Priority: 26.06.2006 US 816348 P (71) Applicant: Casata Technologies Inc. Sault St. Marie ON P6A 5K8 (CA)	(72) Inventors: NACCARATO, John Sault St. Marie, Ontario P6A 5K8 (CA) SEVERINI, Joe Sault St. Marie, Ontario P6A 5K8 (CA) (74) Representative: Lunt, Mark George Francis  Harrison Goddard Foote Fountain Precinct Balm Green Sheffield South Yorkshire S1 2JA Sheffield South Yorkshire S1 2JA (GB)