Package making – Methods – Applying a partial cover
Patent
1998-05-19
2000-06-20
Johnson, Linda
Package making
Methods
Applying a partial cover
53 481, B65B 2100
Patent
active
060763310
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a method of packaging together series of containers, particularly bottles. The invention also relates to a device designed to carry out the method. The invention also relates to a holder, which is used when carrying out the method according to the preamble of the first claim, which relates to such a holder.
BACKGROUND OF THE INVENTION
As an alternative to boxes and crates particularly disposable holders for series of bottles have become customary in recent years. Such disposable holders consist of a blank provided with punchings and perforations and groovings respectively, possibly a folded blank made of particularly cardboard or corrugated cardboard and package together e.g. 2, 3, 4 or 6 bottles to be shipped from the producer or the distributor to the consumers.
It is true that such holders generally are adapted to their purpose and advantageous, but in certain cases strength and fatigue problems respectively do still arise, particularly in case it is desirable to combine minimal use of material with a maximal number of bottles, which accounts for a substantial total weight.
Another problem or at least a wish exists primarily among the producers, i.e. a simultaneous packaging together and handling of a maximal number of bottles, which is quick, reliable and economic. Special machine elements and special machine operations have been required so far in order to bring every part of a holder into the appropriate locking position. The machine equipment is often complicated and expensive and the application process slow and not entirely reliable.
Examples of already known holders and machine equipment designed to apply them onto containers are described in WO-9302941, EP-A3-150 944, NO-B127 963 and SE-B-356 479. The subject of the last document is extremely simple and has no special gripping means. The subject of the Norwegian document is limited to a continuous single-row-formation of container cans with a bead. An exact synchronization of the mutual position of the containers and the application elements is necessary for a functioning process. The fit and the tolerances have to be precise. The holder probably is not generally suitable for bottles and absolutely not for bottles having varying shapes. No special gripping means are used. The European patent document relates to an application of three-dimensionally shaped fairly complicated containers, which nevertheless have no locking means. The PCT document relates to a folding of a relatively complicated holder blank according to FIG. 1 into a shape shown in FIG. 2 with gluing, after which containers can be introduced in a way not described in detail. This is of course time consuming and does not allow a use of fast mechanical application equipment, and also, the reliability of the holders can be questioned. Special gripping means are not used in this case either.
SUMMARY OF THE INVENTION
The object of the present invention is to solve these problems, to counter-act them and to eliminate them as much as possible. Another object of the invention is also to develop the state of the art in this field in various respects. Still another object of the invention is to develop the use of safety and holding devices and vice versa in order to achieve a particularly fast and reliable application of holders onto a holder series formation. Another object is to be able to use in a very reliable way the same holders and the same equipment for different holder shapes and sizes.
These objects are attained according to the present invention by using a method of the type described in the introductory part of this text. Said objects are attained according to the invention also by means of a device of the type described in the introduction. Finally, said objects are attained according to the invention also by means of a holder of the type described in the introduction.
BRIEF DESCRIPTION OF THE DRAWINGS
Additional characterizing features and advantages of the present invention are set forth in the following description, reference being ma
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Granbakken Tore
Hansen Finn R.
Skogly Erik Harald
Dalwell AB
Johnson Linda
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