Apparatus for making a bag with a bag mouth closure

Details Apparatus for making a bag with a bag mouth closure Apparatus for making a bag with a bag mouth closure

B - Operations, Transporting

29

C

93/62

B29C 65/78 (2006.01) B29D 22/00 (2006.01)

Patent

CA 1270688

Applicant: Formost Packaging Machines, Inc. Title: APPARATUS FOR MAKING A BAG WITH A BAG MOUTH CLOSURE ABSTRACT Apparatus for making a plastic film bag having bag mouth lips projecting beyond a heat-seal band closing the bag mouth and providing a stiffening patch bonded to the interior or exterior of a bag mouth lip between the heat-seal band and the bag mouth end for reclosing the bag mouth after the heat-seal band has been opened. For reclosing the bag mouth, the ap- paratus applies stiffening patches to a web of sheet material for making bags at the time that the bags are formed and filled by clipping from a strip of patch- making material patch pieces having pressure-sensitive adhesive on one side. The apparatus transfers such patch pieces from a rotary shear onto the bag-making material by an orbiting transfer member having a suc- tion pickup to pick up a patch piece and blowing means for subsequently detaching the patch piece from the transfer member and depositing it onto the web of bag- making material.

553332

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