(19)

(11)

EP 0 637 356 A1

(12)

(43) Date of publication: 08.02.1995 Bulletin 1995/06 (21) Application number: 92914369.0 (22) Date of filing: 13.07.1992

(51) International Patent Classification (IPC):  B32B 3/ 18( . ) E04B 1/ 76( . ) E04C 2/ 16( . ) (86) International application number: PCT/GB1992/001262 (87) International publication number: WO 1993/021404 (28.10.1993 Gazette 1993/26)

(84) Designated Contracting States: AT DE DK ES FR GB IT SE (30) Priority: 09.04.1992 GB 19920007865 (71) Applicant: Rockwool Limited Mid Glamorgan CR35 6NY Wales (GB)	(72) Inventor: SWALES, Steven Hadleigh, Suffolk IP7 6BQ (GB) (74) Representative: Jones, Helen Marjorie Meredith, et al  Gill Jennings & Every, Broadgate House, 7 Eldon Street London EC2M 7LH London EC2M 7LH (GB)