(19)

(11)

EP 0 126 764 A1

(12)

(43) Date of publication: 05.12.1984 Bulletin 1984/49 (21) Application number: 84900127.0 (22) Date of filing: 02.12.1983

(51) International Patent Classification (IPC):  E04F 15/ 04( . ) (86) International application number: PCT/SE1983/000423 (87) International publication number: WO 1984/002155 (07.06.1984 Gazette 1984/14)

(84) Designated Contracting States: AT BE CH DE FR GB LI NL SE (30) Priority: 03.12.1982 SE 19820006934 (71) Applicants: CARLSSON, Jan S-382 00 Nybro (SE) BJÖRKLUND, Christer S-382 00 Nybro (SE)	(72) Inventors: CARLSSON, Jan S-382 00 Nybro (SE) BJÖRKLUND, Christer S-382 00 Nybro (SE) (74) Representative: Lenz, Franz, et al  AWAPATENT AB, Box 5117 S-200 71 Malmö S-200 71 Malmö (SE)