(19)

(11)

EP 0 847 468 A1

(12)

(43) Date of publication: 17.06.1998 Bulletin 1998/25 (21) Application number: 96929641.0 (22) Date of filing: 02.09.1996

(51) International Patent Classification (IPC):  E04B 1/ 14( . ) E04C 2/ 04( . ) E04B 1/ 76( . ) (86) International application number: PCT/SE1996/001082 (87) International publication number: WO 1997/009495 (13.03.1997 Gazette 1997/12)

(84) Designated Contracting States: AT BE CH DE DK FI FR GB IE LI NL SE (30) Priority: 01.09.1995 SE 19950003017 (71) Applicant: Lättklinkerbetong AB 444 21 Stenungsund (SE)	(72) Inventor: JOHANSSON, Bengt S-444 52 Ucklum (SE) (74) Representative: Bergentall, Annika Maria, et al  Cegumark AB, P.O. Box 53047 400 14 Göteborg 400 14 Göteborg (SE)