Device for filling bags
AssigneeFrancisco N.V.
InventorFrans van Keulen
Life of this patent
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Abstract
In a machine for filling bags, which bags are positioned one next to the other in a double web in which the bottom and sides are defined by joints between the two layers of the web, a diverging guiding means for guiding only one upper web edge and a means for pulling the other upper web edge away from the first edge are provided.
Claims9
In a device for filling bags formed from webs of material, wherein the webs are positioned with a pair of horizontally extending top and bottom edge portions and generally vertically oriented planar portions and wherein the webs are connected along their bottom edges and joints extend vertically upwardly from the bottom edges of the webs, the improvement comprising:
- a. a pair of endless transport belts;
- b. a first driving means for concurrently driving said belts;
- c. a pair of stationary guide members, each having a concave horizontal portion adjacent one of said transport belts, each of said horizontal portions opposed to each other to define a spout portion, the top edge of one web interposed between one of said guide members and one of said transport belts, the other web top edge remaining freely disposed within said spout portion;
- d. a pair of guide roller means, each said guide roller means to guide a transport belt along one of said guide members;
- and
- e. pulling means movably mounted in said spout portion for grasping said freely disposed web edge and pulling it in a direction traverse to said guide members to place the bag in a position ready for filling.
Dependencies are inferred from the claim text.