(19)

(11)

EP 0 636 201 A1

(12)

(43) Date of publication: 01.02.1995 Bulletin 1995/05 (21) Application number: 92905717.0 (22) Date of filing: 07.02.1992

(51) International Patent Classification (IPC):  E01F 9/ 011( . ) E02D 27/ 42( . ) E02D 5/ 80( . ) E04H 12/ 22( . ) (86) International application number: PCT/SE1992/000073 (87) International publication number: WO 1993/016260 (19.08.1993 Gazette 1993/20)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU MC NL SE (30) Priority: 05.02.1992 SE 19920000322 (71) Applicant: A-Kit AB S-161 43 Bromma (SE)	(72) Inventor: EHLEN, Keith S-178 38 Ekerö (SE) (74) Representative: Sedvall, Bengt Gustaf, et al  B. Sedvall Patentbyra Box 7182 S-103 88 Stockholm S-103 88 Stockholm (SE)