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(11) | EP 2 712 727 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
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| (54) | Method and apparatus for manufacturing spout-equipped bags |
| (57) Method and apparatus for manufacturing spout-equipped bags in which the lateral sides
of a bag (11) are gripped by a pair of grippers (3, 3), the bag is conveyed along
a conveying path, and a spout is attached to the bag mouth during the conveyance.
Unloading suction members (13) adheres by suction to a bag in a horizontal orientation
and takes out the bag (11); and then bag suction members (36) adheres to the bag (11)
and changes the bag into a vertical orientation, the bag is then rotated through a
predetermined angle, making the bag mouth horizontal. A transfer chuck (52) grips
the bag (11) and conveys it towards grippers (3, 3), and the bag is displaced a predetermined
distance horizontally and supplied to the grippers. The horizontal displacement distance
of the transfer chuck (52) is set in advance such that gripping margins on the bag
(11) for the grippers (3, 3) are made substantially equal on the left and right of
the bag (11).
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