(19)

(11)

EP 0 698 173 A1

(12)

(43) Date of publication: 28.02.1996 Bulletin 1996/09 (21) Application number: 94929703.0 (22) Date of filing: 02.09.1994

(51) International Patent Classification (IPC):  E06B 7/ 02( . ) F24F 7/ 00( . ) (86) International application number: PCT/SE1994/000811 (87) International publication number: WO 1995/023906 (08.09.1995 Gazette 1995/38)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IT LI NL (30) Priority: 04.03.1994 SE 19940000748 (71) Applicant: Niemann, Hans-Dieter D-50169 Kerpen (DE)	(72) Inventor: ERIKSSON, Lars S-361 31 Emmaboda (SE) (74) Representative: Bjelkstam, Peter  Radjursvägen 11 S-131 42 Nacka S-131 42 Nacka (SE)