Clamshell type bag filler

Details Clamshell type bag filler Clamshell type bag filler

B - Operations, Transporting

65

B

226/17.4

B65B 5/00 (2006.01) B65B 39/02 (2006.01) B65B 39/04 (2006.01)

Patent

CA 1220458

ABSTRACT OF THE DISCLOSURE Bag-filling apparatus comprises gripping means for gripping flat bags adjacent to their top edges and side edges, vacuum cups for engaging the bag on opposite sides near its top edges and for pulling said top edges apart, and a filling pipe, which is provided with filling hopper halves, which are adapted to be pivotally movable about parallel axes by drive means. The filling hopper halves are hinged on respective axes which are transverse to the line which connects the grippers and the spreading members of the filling hopper halves have in cross-section laterally inverted, outwardly protruding or convex shapes the apices of which are disposed on the line which connects the grippers. The end edges and side walls of the filling hopper halves are in sealing contact with each other when the filling hopper halves are in their swung-in-position. As a result the cross-section of the opening defined by the spread-apart filling hopper matches the cross-section of the spread opening of the bag. Because the filling hopper halves are in snug contact with the inside surface of the bag, no passages are left through which dust can escape.

416055

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