Patent ID: 6868876
Filing Date: 2005-03-22
Classification: B65B,Y10T

Abstract:
1. A device for sacking bulk material, comprising: a product container for receiving bulk material and providing said bulk material to a filling funnel having an outlet through which said bulk material is directed into sacks positioned beneath said funnel; a dust filter for collecting bulk material dust that is entrained in ambient air collected from a region adjacent said outlet of said filling funnel; and a separator located upstream of said dust filter and downstream of said product container and being connected to said filling funnel via a first suction line for collecting said bulk material dust that is entrained in ambient air in said region while the bulk material passing through said funnel outlet is directed into sacks, said separator recovering a portion of bulk material from said entrained bulk material dust and returning said recovered portion to said product container through a supply line connected to a lower end of said separator, fine dust solids that are not recovered from said entrained bulk material dust being directed from said separator to said dust filter through a second suction line connected to an upper end of said separator.