DE2805432A1 - EASILY OPEN CARTON PACK WITH INNER BAG - Google Patents

Description

ROBERT BOSCH GHBH
Stuttgart - Bad Gannstatt

Easily open carton pack with inner bag State of the art

By the French patent application Er. 74-31378 is an easily openable and resealable package has become known, which consists of an outer carton, a thermoformed from thermoplastic film that can be inserted into the upper edge of the outer carton like a plug Lid and below the lid an inner bag surrounded by the outer carton.

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The outer box consists of a blank with four fields for the vertical walls of a fuselage, under bottom flaps adjoining the mentioned fields, further on the upper limits of the fiumpffeider adjoining further Panels which are bent and glued against the inside of the vertical walls and have a height of substantially the height of the lid, as well as additional four fields linked to the latter. These four Fields are aligned perpendicular to the inside of the walls and thus form a flat, ring-like fastening flange, at which an edge region of a substantially planar occupies the cross-section of the outer carton Surface of the bag is glued.

The manufacture of the mounting flange is only under high technical effort feasible. A special deep-drawing and cutting device is used for deep-drawing the lid necessary. Finally, a device must be provided are used to insert the lid into the fuselage.

When removing the contents of the pack for the first time, the The lid is pulled out of the outer box and an opening is made in the flange along the flange using a sharp knife Bag cut. To close it again, the lid is reinserted.

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Through the BT-OS 14 86 395 a package has become known, which consists of an outer carton that can be seen along a weakening line and a resealable inner bag. A closing part is sealed or glued into one end of the inner bag and is provided with a removal opening is. A lid fitted into this removal opening is used to close it again after the content has been removed out of the bag. The inner bag is firmly connected to the outer carton at least in the area of the end part, so that neither when the inner bag is opened and the closing part is closed again, its orientation within the outer carton changes.

This pack is easy to handle. But because of the multitude of individual parts and the necessary to unite them Operations are also relatively expensive.

One pack known from US Pat. No. 3,083,889 only exists consists of an outer box and an inner bag that is at least attached to it and is accordingly cheap. However there are no provisions for easy opening and reclosing.

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Durh the DT-PS 11 72 105 a machine for producing a pack, which consists of an outer carton, an inner bag and a cardboard collar fastened within the inner bag, has become known. At the height of the collar, the outer box is divided into a lower body part and an upper lid part. To open it for the first time, the lid part is folded up and a corner of the bag is partially cut off using scissors, after which partial quantities of the contents of the pack can be poured out. To close it again, the remaining part of the tip is laid flat and bent over the collar, after which the cover part is folded down into its original orientation. The disadvantage is the effort for the collar, especially when to avoid the taste
Influencing the content odorless and therefore expensive
Cardboard must be used.

Advantages of the invention

The pack according to the invention is very cheap both in terms of packaging material on wall and the type of order. She is anyway apparently conveniently by means of a knife and sufficiently insensitive during storage and transport. A particularly dense one Reclosing is possible if the package is given a slip-on lid. Since this slip-on lid, however, As can already be deduced from the aforementioned, as a means of transport protection is not necessary, it can be used for many

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can be reused. That is correspondingly small Partial amount to be offset against a package.

drawing

J ¹ Xg. 1 a training match of the invention

appropriate packaging in diagonal representation and

Jig. FIG. 2 shows a detail of the pack according to FIG. 1

in cross-sectional representation.

Description of the invention

The pack 2 consists of an outer carton 5 and an inner bag 4-,

The inner bag 4- consists, for example, of one not shown Cut from gas-tight film and is made on a mandrel of known type and has a practical flat, closed end of the bag 5. .

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The outer carton 3 is made from a blank, which is not shown, made of cardboard or the like, around the inner bag 4 shaped around and in a manner described later with the latter glued together, at least in the area of the closed end of the bag 5.

The blank for the outer carton 3 is provided with lines of weakness 6, 7i 8, preferably in the form of perforations, in such a way that a flat outer carton closure 9 is created over the closed end of the bag 5 with one of the lines of weakness 6, 7? 8 at least partially delimited field 10. In the course of the weakening lines 6, 7, ₅ 8, several elongated recesses 11, 12, 13 are preferably provided, which are used to insert a sharp knife, not shown.

A bond 14 extends within the mentioned field 10 as close as possible to the weakening lines 6, 7? 8 approach or it crosses these weakling lines. The bonds 14, 15 can be made from any solvent-containing Adhesives or from so-called hot melt adhesives. Depending on the selected adhesive, this is applied to the blank for the outer carton 3 or applied to the end of the bag 5. If the bonds consist of hot-melt adhesive, the arrangement of a large number of nails is distributed in a pattern Express points are expedient.

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-Sf-

The described combination of inner bag 4 and outer carton 3 is filled and sealed in the usual way. To be opened by the consumer, the pack 2 is set up in such a way that the field 10 of the outer carton 3 delimited by the weakening lines 6, 7 *> 8 points upwards. A pointed knife is inserted one after the other into the recesses 11, 12, 13 and the end of the bag 5 is pierced in alignment with these. Then, in alignment with the weakening lines 6, 7 · 8, the outer carton and the bag end 5 are cut through in such a way that the field 10 with the portion of the bag end 5 glued underneath can at least be folded up along a hinge line provided _{between the weakening lines 6, 7, 5 8} 16. The recess 11 has the effect that the field 10 can be easily grasped for the now following folding up. The fold-up compartment has a removal opening the size of the field 10, through which the pack 2 can be emptied at will.

Instead of the hinge line 16, further, not shown Perforations are provided, whereby the field 10 can be completely separated from the outer carton 2.

By means of a snap-on lid (not shown) that can be reused one after the other for several such packs 2, the The removal opening must be closed.

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Claims (4)

Claims Easy-to-open pack, consisting of a weakening strip that has been prepared along its head part Outer carton and an inner bag attached to the outer carton at least in zones within the latter, characterized in that the inner bag (3) at least in the area of a field (10) on the inside the top surface of the outer carton (2) is attached, the of the prepared weakening lines (6, 7-8) for the Opening is delimited. 2. Pack according to claim 1, characterized in that the bond (14, 15) in the form of a pattern of several Glue points (14, 15). 3. Pack according to claims 1 and 2, characterized in that glue points in the area of the weakening lines (6, 75 8) are arranged. 4. Pack according to claims 1 to 3 »characterized in that that in the course of the Schwächungslxnien (6, 7-8) a handle opening (11) and on both sides of the same slot-like Recesses (12, 13) are provided for introducing a knife tip or the like. ORIGINAL INSPECTED 809849/0568