APPARATUS ADAPTED TO SPREAD FLAT AND SQUEEZE FREELY PROTRUDING END OF BAG LEFT AT UPPER PART OF FILLING MATERIAL

摘要

PURPOSE: To smooth out sacks over the corner portions and the whole folded portions by providing a pair of fingers inserted in a sack on disks rotatable against each other. CONSTITUTION: Framework 1 of a sack filling station contains a sealed loading funnel 2, a holding device 3 and an opener 4. An end of a finger 9 is affixed to the flat surface portion 10' of rotatable disk 10. Two pairs of fingers 9 and 9' are rotated by cylinder piston units 12 and move in the direction parting from each other, causing the sealed loading funnel 2 to start closing motion. The fingers 9 and 9' are rotated respectively in the facing direction against front and back walls, are brought into contact with this sack to smooth out the creases on the sack wall.