HOPPER STRUCTURE, METHOD OF CONTROLLING THE EMPTYING OF SUCH A HOPPER STRUCTURE, AND A WASTE CHUTE HAVING SUCH A HOPPER STRUCTURE - Patent 1611035

(19)

(11)

EP 1 611 035 A1

(12)

(43)	Date of publication:
	04.01.2006 Bulletin 2006/01

(21)	Application number: 03713159.6

(22)	Date of filing: 31.03.2003

(51)

International Patent Classification (IPC):

B65F 1/14^(1968.09)
B65G 11/20^(1968.09)
E04F 17/12^(1968.09)

B65F 1/10^(1968.09)
B65G 65/30^(1968.09)

(86)	International application number:
	PCT/SE2003/000517

(87)	International publication number:
	WO 2004/087538 (14.10.2004 Gazette 2004/42)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
	Designated Extension States:
	AL LT LV MK

(71)	Applicant: Envac Centralsug AB
	117 84 Stockholm (SE)

(72)	Inventors:
	MEDIN, Calle S-113 55 Stockholm (SE) ELDERED, Kjell S-134 65 Ingarö (SE)

(74)	Representative: Stenborg, Anders Vilhelm et al
	Aros Patent AB, P.O. Box 1544 751 45 Uppsala 751 45 Uppsala (SE)

(54)	HOPPER STRUCTURE, METHOD OF CONTROLLING THE EMPTYING OF SUCH A HOPPER STRUCTURE, AND A WASTE CHUTE HAVING SUCH A HOPPER STRUCTURE