(19)

(11)

EP 0 137 780 A1

(12)

(43) Date of publication: 24.04.1985 Bulletin 1985/17 (21) Application number: 83901849.0 (22) Date of filing: 09.03.1983

(51) International Patent Classification (IPC):  A63G 3/ 00( . ) (86) International application number: PCT/US1983/000311 (87) International publication number: WO 1984/003477 (13.09.1984 Gazette 1984/22)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (71) Applicant: INTAMIN INC. Berkeley, CA 94707 (US)	(72) Inventors: SPIELDIENER, Robert CH-8704 Herrliberg (CH) SPIELDIENER, Reinhold CH-8704 Herrliberg (CH) SAIKO, Alfons CH-8942 Oberrieden (CH) (74) Representative: Daunton, Derek, et al  Barlow, Gillett & Percival 94, Market Street Manchester M1 1PJ Manchester M1 1PJ (GB)