(19)

(11)

EP 0 535 132 A1

(12)

(43) Date of publication: 07.04.1993 Bulletin 1993/14 (21) Application number: 91912281.0 (22) Date of filing: 13.06.1991

(51) International Patent Classification (IPC):  F21S 8/ 06( . ) F21V 1/ 06( . ) (86) International application number: PCT/US1991/004220 (87) International publication number: WO 1991/019934 (26.12.1991 Gazette 1991/29)

(84) Designated Contracting States: AT DE ES IT (30) Priority: 18.06.1990 US 19900539854 (71) Applicant: A. SCHONBEK & CO. INC. Plattsburgh, N.Y. 12901 (US)	(72) Inventors: BAYER, Georg Plattsburgh, NY 12901 (US) SCHONBEK, Arnold Plattsburgh, NY 12901 (US) TUCKER, Daniel Chazy, NY 12921 (US) SCHONBEK, Andrew, J. Plattsburgh, NY 12901 (US) (74) Representative: Woodward, John Calvin, et al  Venner Shipley & Co. 20 Little Britain London EC1A 7DH London EC1A 7DH (GB)