(19)

(11)

EP 0 824 622 A1

(12)

(43) Date of publication: 25.02.1998 Bulletin 1998/09 (21) Application number: 96909434.0 (22) Date of filing: 28.03.1996

(51) International Patent Classification (IPC):  E04B 5/ 04( . ) E04C 3/ 292( . ) F24D 5/ 10( . ) E04B 5/ 12( . ) E04C 3/ 293( . ) (86) International application number: PCT/SE1996/000400 (87) International publication number: WO 1996/031668 (10.10.1996 Gazette 1996/45)

(84) Designated Contracting States: DE DK FI FR GB IT NL (30) Priority: 04.04.1995 SE 19950001230 (71) Applicant: Hellsten, Mikael 311 92 Falkenberg (SE)	(72) Inventor: Hellsten, Mikael 311 92 Falkenberg (SE) (74) Representative: Bjellman, Lennart Olov Henrik, et al  DR. LUDWIG BRANN PATENTBYRA AB, Box 1344, Drottninggatan 7 751 43 Uppsala 751 43 Uppsala (SE)