(19)

(11)

EP 0 118 431 A1

(12)

(43) Date of publication: 19.09.1984 Bulletin 1984/38 (21) Application number: 82902964.0 (22) Date of filing: 07.09.1982

(51) International Patent Classification (IPC):  B23B 51/ 02( . ) (86) International application number: PCT/US1982/001223 (87) International publication number: WO 1984/000910 (15.03.1984 Gazette 1984/07)

(84) Designated Contracting States: BE CH DE FR GB LI NL SE (71) Applicant: MICRO INTERNATIONAL Johnson City TN 37601 (US)	(72) Inventors: ARPAIO, Jr., Jerry Johnson City, TN 37601 (US) HEATH, Derek, E. Johnson City, TN 37601 (US)