(19)

(11)

EP 0 898 628 A1

(12)

(43) Date of publication: 03.03.1999 Bulletin 1999/09 (21) Application number: 97916101.0 (22) Date of filing: 19.03.1997

(51) International Patent Classification (IPC):  E04B 1/ 76( . ) E04D 13/ 16( . ) E04B 7/ 00( . ) E04D 15/ 06( . ) (86) International application number: PCT/US1997/004447 (87) International publication number: WO 1997/043497 (20.11.1997 Gazette 1997/50)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB IT LI NL SE (30) Priority: 14.05.1996 US 19960645993 18.09.1996 US 19960716592 (71) Applicant: OWENS CORNING Toledo, Ohio 43659 (US)	(72) Inventors: WENRICK, Dennis, K. Oviedo, FL 32765 (US) NEIFER, Don, A. Granville, OH 43023 (US) JANICKI, Richard, T. Oaklawn, IL 60453 (US) (74) Representative: West, Alan Harry, et al  R.G.C. Jenkins & Co. 26 Caxton Street London SW1H 0RJ London SW1H 0RJ (GB)