(19)

(11)

EP 0 199 718 A1

(12)

(43) Date of publication: 05.11.1986 Bulletin 1986/45 (21) Application number: 84904020.0 (22) Date of filing: 03.10.1984

(51) International Patent Classification (IPC):  B42D 15/ 10( . ) G01B 5/ 004( . ) (86) International application number: PCT/US1984/001579 (87) International publication number: WO 1986/002047 (10.04.1986 Gazette 1986/08)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (71) Applicant: KUHNS, Roger J. Lincoln, MA 01773 (US)	(72) Inventor: KUHNS, Roger J. Lincoln, MA 01773 (US) (74) Representative: Robinson, Anthony John Metcalf  Kilburn & Strode 30 John Street London, WC1N 2DD London, WC1N 2DD (GB)