Patent ID: 9365309
Filing Date: 2016-06-14
CPC Classification: B65B,B65H

Claim Text:
1. A preformed bag feeder for supplying successive preformed bags having a lower extremity and an upper extremity to a packaging machine having a transporter that moves the preformed bags horizontally along a trajectory in a vertical orientation through successive opening, filling, closing and sealing stations; said feeder comprising: a plurality of buckets containing the preformed bags; at least one fastening clamp for holding a preformed bag in a vertical orientation, located at a point aligned with the trajectory of the bags through the transporter; first means for picking up a preformed bag from one of the plurality of buckets and supplying the preformed bag to the at least one fastening clamp; a positioner movable between the at least one fastening clamp and the transporter for aligning the preformed bags with respect to horizontal and vertical reference lines, arranging them in a fixed position, the positioner comprising: