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(11)

EP 1 843 956 A1

(12)

(43) Date of publication: 17.10.2007 Bulletin 2007/42 (21) Application number: 06701360.7 (22) Date of filing: 20.01.2006

(51) International Patent Classification (IPC):  B65F 5/00(2006.01) (86) International application number: PCT/SE2006/000090 (87) International publication number: WO 2006/080878 (03.08.2006 Gazette 2006/31)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 27.01.2005 KR 20050007421 (71) Applicant: Envac Centralsug Aktiebolag 117 84 Stockholm (SE)	(72) Inventor: KIHLSTRÖM, Christer S-532 94 Skara (SE) (74) Representative: Stenborg, Anders Vilhelm  Aros Patent AB, P.O. Box 1544 751 45 Uppsala 751 45 Uppsala (SE)