(19)

(11)

EP 0 906 483 A1

(12)

(43) Date of publication: 07.04.1999 Bulletin 1999/14 (21) Application number: 97929658.0 (22) Date of filing: 19.06.1997

(51) International Patent Classification (IPC):  E04G 5/ 12( . ) E04G 21/ 28( . ) E04G 7/ 26( . ) (86) International application number: PCT/SE1997/001105 (87) International publication number: WO 1997/048863 (24.12.1997 Gazette 1998/03)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV RO SI (30) Priority: 19.06.1996 SE 19960002420 (71) Applicant: Jonsereds Miljösystem AB 433 89 Jonsered (SE)	(72) Inventor: NYLANDER, Bernt S-421 59 Västra Frölunda (SE) (74) Representative: Lindberg, Klas Valter Bo, et al  AWAPATENT AB, Södra Hamngatan 37-41, P.O. Box 11394 404 28 Göteborg 404 28 Göteborg (SE)