(19)

(11)

EP 0 118 429 A1

(12)

(43) Date of publication: 19.09.1984 Bulletin 1984/38 (21) Application number: 82902949.0 (22) Date of filing: 07.09.1982

(51) International Patent Classification (IPC):  B23Q 1/ 01( . ) B23Q 5/ 40( . ) B44B 3/ 02( . ) B23Q 1/ 03( . ) B44B 3/ 00( . ) B44B 3/ 06( . ) (86) International application number: PCT/US1982/001199 (87) International publication number: WO 1984/000911 (15.03.1984 Gazette 1984/07)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (71) Applicant: DAHLGREN ENGRAVING SYSTEMS INCORPORATED San Francisco CA 94110 (US)	(72) Inventors: CLAIRE, Edward, W. Oakland, CA 94618 (US) ALBIN, Rodney San Francisco, CA 94127 (US)