(19)

(11)

EP 0 103 612 A1

(12)

(43) Date of publication: 28.03.1984 Bulletin 1984/13 (21) Application number: 83900986.0 (22) Date of filing: 15.03.1983

(51) International Patent Classification (IPC):  E04H 1/ 12( . ) (86) International application number: PCT/SE1983/000087 (87) International publication number: WO 1983/003278 (29.09.1983 Gazette 1983/23)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 17.03.1982 SE 19820001663 (71) Applicant: ANDERSSON, Lennart S-423 00 Torslanda (SE)	(72) Inventor: ANDERSSON, Lennart S-423 00 Torslanda (SE)