Package making – Methods – Applying a partial cover
Patent
1991-03-14
1992-07-14
Gehman, Bryon P.
Package making
Methods
Applying a partial cover
53228, 53466, 53543, 206391, B65B 1108
Patent
active
051292114
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a pack containing a number of pack units, such as rolls of soft tissue paper or packs of nappies, etc., which are enclosed by a banderole-like pack sleeve.
Previously disclosed packs for goods, such as rolls of soft tissue paper, nappies and napkins, etc., are very costly for both shops and consumers and also involve inefficient and expensive handling, such as the manual production of so-called retail packs for assembly into sales packs, for example in the form of bags made of a plastics material and loosely stacked and tied units, the loading of packs onto trolleys, the transport of same to the pint of display, the breaking open of the packs, price-marking, stacking, and the return transport of the empty packaging materials.
The principal object of the present invention is thus in the first instance to make available a pack which, amongst other things, solves the problems referred to above and permits the automated production of said pack, without the risk of the pack breaking apart during handling of same with the associated danger of the pack units in question unintentionally becoming separated from the pack.
Said object is achieved by means of a pack in accordance with the present invention, which is characterized essentially in that, in the area outside pairs of pack units situated adjacent to one another, said pack sleeve is attached to a holding device running in an essentially straight path between the pack units.
A further object of the invention is to discover a method which solves the problem of manufacturing packs of the kind described in a simple and efficient manner.
Said further object is achieved by means of a method in accordance with the present invention, which is characterized essentially in that three pieces of packaging material are so arranged as to accept pack units to either side of a centrally situated piece of packaging material acting as a holding device, and as to be finally attached to one another at a certain distance from one another on opposing sides of the formed pack, so that the two outermost pieces of packaging material enclose all the pack unit and said centrally situated piece of packaging material in the manner of a banderole.
A final object of the present invention is to make available an arrangement which can be utilized in conjunction with the production of a pack in accordance with the present invention.
Said final object is achieved by means of a an arrangement in accordance with the present invention which is characterized essentially in that, to either side of a forming station intended to accommodate pack units, feed devices for the pieces of packaging material are situated in such a way that they are able, in conjunction with the movement of a group of formed pack units, to feed the pieces of material towards one another and in the direction of a jointing device with one of the pieces of material surrounded by pack units, and in that preferably compression and fixing devices for said group of pack units are provided.
The invention is described below as a number of preferred illustrative embodiments, in conjunction with which reference is made to the drawings, in which
FIGS. 1-6A illustrate different positions for an arrangement arranged for the production of packs which include a sleeve running in a vertical sense;
FIGS. 7-16A illustrate different positions for an arrangement arranged for the production of packs which include a sleeve running in a horizontal sense;
FIG. 17 illustrates a pack with a sleeve which extends along the circular peripheral surface of the pack unit; and
FIGS. 18 and 18A illustrate a pack with a sleeve which extends along the plane surface of the pack units.
The invention is clearly illustrated in FIG. 17, from which it will be seen that a pack 1, which lends itself to automated manufacture in a simple and efficient manner, and which includes a banderole-like pack sleeve 2 which is so arranged as to enclose in the manner of a loop a number of pack units 3, 3.sup.1, such as rolls of soft tissue paper or
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