(19)

(11)

EP 0 752 034 A1

(12)

(43) Date of publication: 08.01.1997 Bulletin 1997/02 (21) Application number: 95912103.0 (22) Date of filing: 17.03.1995

(51) International Patent Classification (IPC):  E04B 1/ 08( . ) E04B 2/ 00( . ) (86) International application number: PCT/CA1995/000148 (87) International publication number: WO 1995/025855 (28.09.1995 Gazette 1995/41)

(84) Designated Contracting States: DE FR GB SE (30) Priority: 21.03.1994 CA 19942119486 (71) Applicant: O'Leary, Kevin M. Maple Ridge, British Colombia V2X 8x8 (CA)	(72) Inventors: O'LEARY, Kevin, M. Maple Ridge, British Columbia V2X 8X8 (CA) BIDINOST, Christopher, L. Langely, British Columbia V1M 1T5 (CA) (74) Representative: Boeters, Hans Dietrich, Dr.  Patentanwälte Boeters & Bauer, Bereiteranger 15 81541 München 81541 München (DE)