(19)

(11)

EP 0 706 596 A1

(12)

(43) Date of publication: 17.04.1996 Bulletin 1996/16 (21) Application number: 93918145.0 (22) Date of filing: 02.07.1993

(51) International Patent Classification (IPC):  E04B 1/ 82( . ) F42D 5/ 045( . ) E04B 1/ 98( . ) E04B 1/ 84( . ) (86) International application number: PCT/US1993/006319 (87) International publication number: WO 1995/001484 (12.01.1995 Gazette 1995/03)

(84) Designated Contracting States: BE DE GB NL (71) Applicant: SUPPRESSION SYSTEMS ENGINEERING CORPORATION Santa Clara, CA 95050-3030 (US)	(72) Inventors: GETTLE, Guy, L. Walnut Creek, CA 94595 (US) HOMER, Vincent, H., Jr. Orland, CA 95963 (US) (74) Representative: Holdcroft, James Gerald, Dr., et al  Graham Watt & Co., Riverhead Sevenoaks, Kent TN13 2BN Sevenoaks, Kent TN13 2BN (GB)