(19)

(11)

EP 0 112 864 A1

(12)

(43) Date of publication: 11.07.1984 Bulletin 1984/28 (21) Application number: 83901953.0 (22) Date of filing: 03.06.1983

(51) International Patent Classification (IPC):  E04B 1/ 343( . ) (86) International application number: PCT/SE1983/000226 (87) International publication number: WO 1984/000045 (05.01.1984 Gazette 1984/01)

(84) Designated Contracting States: AT BE CH DE FR GB LI NL SE (30) Priority: 18.06.1982 SE 19820003791 (71) Applicant: ERIKSSON, Hans S-681 00 Kristinehamn (SE)	(72) Inventor: ERIKSSON, Hans S-681 00 Kristinehamn (SE)