(19)

(11)

EP 0 879 332 A1

(12)

(43) Date of publication: 25.11.1998 Bulletin 1998/48 (21) Application number: 97904696.0 (22) Date of filing: 05.02.1997

(51) International Patent Classification (IPC):  E04B 1/ 348( . ) E06C 9/ 02( . ) E04F 11/ 025( . ) (86) International application number: PCT/SE1997/000177 (87) International publication number: WO 1997/029259 (14.08.1997 Gazette 1997/35)

(84) Designated Contracting States: AT BE CH DE DK FI FR GB IE IT LI LU NL (30) Priority: 09.02.1996 SE 19960000486 (71) Applicant: Ebersjö, Hans 175 60 Järfälla (SE)	(72) Inventor: Ebersjö, Hans 175 60 Järfälla (SE) (74) Representative: Berglund, Stefan, et al  Bjerkéns Patentbyra KB Östermalmsgatan 58 114 50 Stockholm 114 50 Stockholm (SE)