(19)

(11)

EP 0 093 754 A1

(12)

(43) Date of publication: 16.11.1983 Bulletin 1983/46 (21) Application number: 82903359.0 (22) Date of filing: 08.11.1982

(51) International Patent Classification (IPC):  E04H 12/ 22( . ) (86) International application number: PCT/SE1982/000372 (87) International publication number: WO 1983/001807 (26.05.1983 Gazette 1983/13)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 17.11.1981 SE 19810006811 (71) Applicant: EK, Sven S-532 00 Skara (SE)	(72) Inventor: EK, Sven S-532 00 Skara (SE)