(19)

(11)

EP 0 197 924 A1

(12)

(43) Date of publication: 22.10.1986 Bulletin 1986/43 (21) Application number: 84903903.0 (22) Date of filing: 15.10.1984

(51) International Patent Classification (IPC):  B21D 3/ 04( . ) (86) International application number: PCT/US1984/001661 (87) International publication number: WO 1986/002294 (24.04.1986 Gazette 1986/09)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (71) Applicant: NILSSON, Einar W. Bellefonte, PA 16823 (US)	(72) Inventor: NILSSON, Einar W. Bellefonte, PA 16823 (US)