(19)

(11)

EP 0 687 354 A1

(12)

(43) Date of publication: 20.12.1995 Bulletin 1995/51 (21) Application number: 94909624.0 (22) Date of filing: 23.02.1994

(51) International Patent Classification (IPC):  F42C 19/ 12( . ) F42B 3/ 13( . ) F23Q 13/ 00( . ) (86) International application number: PCT/US1994/001606 (87) International publication number: WO 1994/019661 (01.09.1994 Gazette 1994/20)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 26.02.1993 US 19930023075 20.12.1993 US 19930170658 (71) Applicant: QUANTIC INDUSTRIES, INC. San Carlos, CA 94070-4084 (US)	(72) Inventors: WILLIS, Kenneth, E. Redwood City, CA 94062 (US) RICHMAN, Martin, G. Salinas, CA 93907 (US) FAHEY, William, David Cupertino, CA 95014 (US) RICHARDS, John, G. San Jose, CA 95136-2669 (US) (74) Representative: Allman, Peter John, et al  MARKS & CLERK, Sussex House, 83-85 Mosley Street Manchester M2 3LG Manchester M2 3LG (GB)