(19)

(11)

EP 0 141 815 A1

(12)

(43) Date of publication: 22.05.1985 Bulletin 1985/21 (21) Application number: 83903609.0 (22) Date of filing: 07.11.1983

(51) International Patent Classification (IPC):  E04B 1/ 70( . ) (86) International application number: PCT/SE1983/000380 (87) International publication number: WO 1984/001794 (10.05.1984 Gazette 1984/12)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL (30) Priority: 08.11.1982 SE 19820006321 (71) Applicant: Kullberg, Bengt Gustaf Adolf Ernfrid S-141 42 Huddinge (SE)	(72) Inventor: Kullberg, Bengt Gustaf Adolf Ernfrid S-141 42 Huddinge (SE) (74) Representative: Forsheden, Jarl Ragnar  L.A. Groth & Co. AB Västmannagatan 43 S-113 25 Stockholm S-113 25 Stockholm (SE)