Package making – With cover-adjunct application or formation – Adjunct comprising provision to allow access to contents,...
Patent
1992-07-20
1995-09-05
Larson, Lowell A.
Package making
With cover-adjunct application or formation
Adjunct comprising provision to allow access to contents,...
53251, 53282, 53299, 53319, B65B 6118
Patent
active
054470072
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The invention relates generally to a device for filling and closing liquid packs, and, more particularly, to a device for filling and closing packs for liquids, wherein there is an opening on the upper surface of the pack, and wherein the upper surface is adapted to be joined to a pouring device.
Devices already exist for filling and closing liquid packs like the afore-mentioned kind, wherein the entire upper surface of a pack is injected during an initial stage, whereupon liquid is filled from the oppositely disposed side, still open, of the casing which is closed first of all on one side by the lid, and the casing is then closed. With this, and with other known manufacturing machines, the process takes place along a conveyor device in a line. Thus, after an empty pack has been supplied, a cover is welded onto it, and than a cover is welded onto the next pack likewise, and so on and so forth, whereupon one pack after another is filled and finally closed.
It is true that a variation to these manufacturing machines has already been implemented, with a plurality of mutually adjacent mandrel wheels being arranged on a common axis of rotation, so that four casings, for example, are provided simultaneously with a lid which is injected thereon, whereupon the filling process and the like take place in four lines instead of one. These manufacturing machines are very expensive, however, particularly since four injection machines have to be provided on the four mandrel wheels.
SUMMARY OF THE INVENTION
The invention relates to a device for filling and closing packs for liquids, wherein on the upper surface there is an opening, and wherein the upper surface can be joined to a pouring device, the device having individual intermediate positions and an end position,
The aim of the invention is to create a filler and stoppering device of the afore-mentioned kind which can process a high number of packs reliably per unit of time.
This problem is solved according to the invention in that provided in the path of movement behind the feed conveyor is a transverse sliding conveyor, and provided between the feed conveyor and the carry off conveyor at a level beneath the base are transverse conveyors and entrainment devices for intermittently moving transportation boxes, and at a level above the transportation boxes is an intermediate conveyer, and characterised in that the filler and stoppering station are arranged in the region of the transverse conveyors at a level above the transportation boxes.
In the case of the device according to the invention, three conveyance directions are of importance in understanding the following description. Of these conveyance directions, the longitudinal conveyance direction is that of the feed conveyor, and is also termed the main conveyance direction. Extending transversely thereto is the transverse conveyance direction which is substantially vertical to the longitudinal conveyance direction. Both directions, namely the longitudinal conveyance direction and the transverse conveyance direction, are disposed in the horizontal planes. In addition, a third direction is provided which extends vertically to the longitudinal and transverse directions, this third direction being disposed in the vertical plane according to a preferred embodiment, of which particular consideration will be taken in that which follows. In the longitudinal direction of conveyance, the feed conveyor guides the open, empty packs into a base position. Thence a transverse sliding conveyor is responsible for pushing the row of at least two packs in the transverse direction of conveyance, i.e. transversely with respect to the first longitudinal conveyance direction.
A method is admittedly known in conveyance technology whereby machines are provided with a first conveyance direction which is vertical to a second one. However, the important feature in the device according to the invention is the fact that a row of at least two packs, preferably even eight or ten packs, is processed in stages. For th
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Deutschbein Ulrich
Knobloch Gerd
Liebram Udo
Reil Wilhelm
Dunn Michael L.
Larson Lowell A.
Moon Daniel
Simpson Robert P.
Tetra Laval Holdings & Finance S.A.
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