(19)

(11)

EP 0 087 433 A1

(12)

(43) Date of publication: 07.09.1983 Bulletin 1983/36 (21) Application number: 82902485.0 (22) Date of filing: 26.08.1982

(51) International Patent Classification (IPC):  B23D 49/ 16( . ) B23D 51/ 02( . ) (86) International application number: PCT/SE1982/000271 (87) International publication number: WO 1983/000836 (17.03.1983 Gazette 1983/07)

(84) Designated Contracting States: DE FR GB (30) Priority: 07.09.1981 SE 19810005301 (71) Applicant: Lindkvist, Gunnar Harry S-824 00 Hudiksvall (SE)	(72) Inventor: Lindkvist, Gunnar Harry S-824 00 Hudiksvall (SE)