(19)

(11)

EP 0 836 733 A1

(12)

(43) Date of publication: 22.04.1998 Bulletin 1998/17 (21) Application number: 96922296.0 (22) Date of filing: 03.07.1996

(51) International Patent Classification (IPC):  B67D 7/ 06( . ) G09F 3/ 16( . ) G09F 23/ 00( . ) B67D 7/ 42( . ) G09F 3/ 20( . ) (86) International application number: PCT/NO1996/000162 (87) International publication number: WO 1997/002554 (23.01.1997 Gazette 1997/05)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: LT LV SI (30) Priority: 05.07.1995 NO 19950002663 25.01.1996 NO 19960000297 16.04.1996 NO 19960001503 (71) Applicant: Alvern ASA 0230 Oslo (NO)	(72) Inventor: ALVERN, Stein Houston, TX 77056 (US) (74) Representative: Delmar, John-Ake, et al  P.O. Box 26 133 100 41 Stockholm 100 41 Stockholm (SE)