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[0001] 1. Field of the Invention
[0002] The present invention relates to an apparatus for filling foil bags which are open on one side, wherein the foil bags are individually conveyed to a filling station.
[0003] 2. Description of the Related Art
[0004] An apparatus of the above-described type is used for filling bags of different sizes having a width of 40-300 mm and a length of 100-400 mm. Bags of this type are frequently manufactured of various plastic foils. The bags have a stepped filling opening through which the bags can be filled either manually or by a machine.
[0005] It is the primary object of the present invention to Provide an apparatus of the above-described type which makes it possible to quickly and securely fill the bags.
[0006] In accordance with the present invention, the foil bags are conveyed into the filling station in an inclined position with the stepped filling opening facing upwardly. A device for opening the stepped filling opening by blowing air is provided at the stepped filling opening.
[0007] Since each bag to be filled is individually conveyed with the stepped filling opening facing upwardly to a blowing device, the precise orientation of the bag on the conveyor is ensured. The edge located opposite the filling opening is positioned in a guided manner due to the influence of gravity at an appropriate stop angle. The same is true for the supplied product to be filled into the bag; the product slides into the foil bag to be filled and also comes into contact at the stop angle.
[0008] The foil bag advantageously has on the side facing away from the filling opening a flange or lug for hanging up the bag, wherein the flange is somewhat more stable and, thus, reinforces the precise contact with the stop angle. At the same time, after the bag has been fully processed and closed, a finished product which can be manipulated is obtained.
[0009] In accordance with an advantageous feature, a conveyor belt which acts from the top can be provided at the end of the device, wherein the conveyor belt conveys away in a controlled manner the strips which have been cut off, so that the strips and the finished product (bag with packaging) are not intermingled.
[0010] The various features of novelty which characterize the invention are pointed out with particularity in the claims annexed to and forming a part of the disclosure. For a better understanding of the invention, its operating advantages, specific objects attained by its use, reference should be had to the drawing and descriptive matter in which there are illustrated and described preferred embodiments of the invention.
[0011] In the drawing:
[0012]
[0013]
[0014]
[0015]
[0016]
[0017]
[0018] The apparatus illustrated in the drawing includes a machine frame
[0019] Provided at the beginning of the conveyor is a magazine with a collating device
[0020] As illustrated in
[0021] The foil bags
[0022] As can be seen in
[0023]
[0024] The various conveying directions are indicated by arrows.
[0025]
[0026] Compressed air, which opens the foil bag
[0027] While specific embodiments of the invention have been shown and described in detail to illustrate the inventive principles, it will be understood that the invention may be embodied otherwise without departing from such principles.