(19)

(11)

EP 1 677 972 A1

(12)

(43) Date of publication: 12.07.2006 Bulletin 2006/28 (21) Application number: 04795277.5 (22) Date of filing: 13.10.2004

(51) International Patent Classification (IPC):  B32B 7/12(1968.09) H05H 1/26(1974.07) (86) International application number: PCT/US2004/034090 (87) International publication number: WO 2005/037537 (28.04.2005 Gazette 2005/17)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 15.10.2003 US 685783 15.10.2003 US 685965 (71) Applicant: Brock USA, LLC Boulder, CO 80301 (US)	(72) Inventor: BAINBRIDGE, David, W. Golden, CO 80401 (US) (74) Representative: Weber-Bruls, Dorothée  Forrester & Boehmert, Pettenkoferstrasse 20-22 80336 München 80336 München (DE)