(19)

(11)

EP 0 082 865 A1

(12)

(43) Date of publication: 06.07.1983 Bulletin 1983/27 (21) Application number: 82902100.0 (22) Date of filing: 05.07.1982

(51) International Patent Classification (IPC):  E06B 1/ 60( . ) E06B 1/ 62( . ) E06B 1/ 64( . ) (86) International application number: PCT/SE1982/000235 (87) International publication number: WO 1983/000181 (20.01.1983 Gazette 1983/02)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL (30) Priority: 06.07.1981 SE 19810004185 (71) Applicant: HELLBERGS INDUSTRIER AB S-464 00 Mellerud (SE)	(72) Inventor: INGULF, Bo S-464 00 Mellerud (SE) (74) Representative: Grams, Klaus Dieter, Dipl.-Ing.  Patentanwaltsbüro Tiedtke-Bühling-Kinne- Grupe-Pellmann-Grams Bavariaring 4 D-8000 München 2 D-8000 München 2 (DE)