DE2512136A1 - PACKING FOR INDIVIDUAL GOODS - Google Patents

Description

PATENT ADVOCATE DR. HANS-GUNTHER EGGERT ₁ DIPLOMA CHEMIST

5 COLOGNE 51, OBERLÄNDER UFER 90

Cologne, March 19, 1975 Eg / Ax / 19

The Procter & Gamble Company, 3o1 East Sixth Street, Cincinnati, Ohio / USA

Packing for single goods

The invention relates to a pack for a plurality of articles, in particular one for the formation of Bulk displays suitable pack.

One of the major efforts in the packaging industry is to make packs available that can for the storage and display of a large number of articles or individual goods, e.g. product boxes, suitable. The previous devices of this type are based on the premise that the display pack itself must be suitable for handling the articles contained therein in the entire distribution chain, i.e. they must be strong, stable and taut.

In this sense, US Pat. No. 3,519,125 to the applicant proposes a tightly and tightly encased pack, for the typically opaque packaging materials, e.g. Kraft paper, as well as tear strips which allow the top of the pack to be severed and removed during the Floor serves as a low-walled exhibition tray.

Various packs that can be used for transport as multiple packs and to form a display suitable, are also made taut, clear

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Scratched foils formed from polymers. For example US Reissue Patent Specification 27 2 i 2 describes a typical pack made of a low-walled, relatively rigid base or tray and one that tightly encloses the packaged goods by heating shrunk-on PVC film. Packs wrapped tightly under tension are also known with openings that show the price on the top or bottom of the packaged goods contained therein through the outer shell, tear strips that tightly enclose the packaged goods can be opened Pack facilitate, and rigid bottoms or trays within the pack that facilitate handling of the packaged goods after opening the outer cover.

A sleeve that wraps around the packaged goods under tension and completely covers it, as is known with these Devices has two major disadvantages. 1) As these packings are in the distribution chain without additional To use protection, they inevitably require more and stronger material than it is for a pack suitable for retail store use, but which would be required lacks the structural strength required for use in most distribution systems is. 2) The skin-tight enclosure of the cartons in the pack by the wrapping material makes the removal the boxes, especially the first box, difficult. By attaching tear strips and the like. this problem is only partially solved.

Another approach that was followed in the case of the packs mentioned above is the formation of a Pack suitable for handling, for example, in a retail store and for the formation of mass

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However, it lacks the structural strength required to support it easily To be able to use protection in the entire distribution chain. Preferably such a pack would be the Does not significantly hinder removal of the enclosed boxes and is consistent with their limited uses be made from the smallest possible quantities of material. Such a pack could, for example used to house and handle part of the contents of a larger shipping container will. A large shipping container designed for use in shipping a number of packages according to would be particularly well suited to the invention is described in BE-PS 796 445 of the applicant.

When a large number of bins are stacked in multiple tiers for bulk display purposes the stack formed may be unstable, so that it is necessary or appropriate to use means provide that increase the stability of the display

after or prevent the upper layers from becoming / outside in Move the tilt position. It has already been found that the "tendency to overturn" can be reduced or eliminated can by inserting a retaining strip or tie between the layers of such a mass display is, whereby the individual container of a layer by frictional effect by the downward directed Force exerted on the tie by the layer or layers of containers above it will be held together.

In the present description, the term "carton" is used to denote a container for a Single product as it is normally sold in retail stores. The term "pack" denotes all iumittel for the joint handling of a large number of

Cardboard boxes, and the term "container" or "bundle" 509841/0251

is for a "eraanoebälter ^ or container for a plurality of P & okungaE]! gsl3raaGht _B sub flem term" tendency to tilt ^11, the tilt eioes stack of cartons to instability Saad _s wena more stacks of boxes in parallel, juxtaposed generally vertical columns -Be _s extend the inclination of the upper layers of the stacks * sioa outwards in such a way as to understand au.

Applicants' US Pat. No. 3,826,363 "describes one Pack for accommodating a large number of individual items in a right-angled group are arranged, The package includes a flexible hose that extends vertically upwards along the Extends outsides of the group, rests substantially snugly against the outsides of the group and substantially is de-energized, which means that the individual items can be easily removed from the package when at rest can. A bottom part lies at least under the corners of the underside and is connected to the hose. A pair of handles for lifting the package and the goods contained therein are on one pair more opposed Sides of the hose provided. When the handles are lifted, the tense flexible hose in the circumferential direction, so that it tightens around the goods contained therein and compresses them and gives them a significantly increased structural stability. The present Invention is an improvement on the invention which is the subject of the aforementioned United States patent 3 826 363 is.

The invention accordingly provides a pack which is suitable for handling its contents in a retail store and for forming stable checkout displays, requires minimal amounts of material and is easy to form, and from which the contents 509841/0251

can be easily removed.

The objects set by the invention are achieved by a trough-shaped or box-shaped storage unit Display pack made from a stretchy, elastic, normally limp and preferably transparent Material, e.g. a polyethylene film, which is wrapped in a hose that wraps around the Sides of a group of boxes extending and at least partially below the bottom of the group of boxes lies. The packaged groups of individual goods formed in this way are stable and can be stacked on top of one another They form a stable display stack that has no tendency to tip over. Means to Grips are provided on the individual box-shaped pack and are preferably through the film itself formed as a result of the peel and heat seal patterns used in assembling the package Application. The film usually has little in it (when the pack rests on a flat surface) or no tension around the group of boxes, so that the boxes can be removed freely and unhindered is when the pack rests on a flat surface, as is the case, for example, with the formation of the top pack in a stack of such packs is the case. The position of the gripping means is chosen so that that by exerting a lifting force on them at the same time a tension in the circumferential direction to act comes, whereby the material is tightened and thereby stretched and the forces developed in it are distributed in this way that the cardboard boxes against each other in the circumferential direction pressed and sufficient frictional forces are developed between them to break the group of individual packs and to unite the cartons into a coherent unit that is handled closed while it is still possible that

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Cardboard boxes one after the other from the group according to loading. love to see if the safflower box is on a rests flat surface.

The invention is described in detail below with reference to the drawings

Pig.1 shows in perspective a pack according to an embodiment of the invention.

Pig.2 and Pig.3 show the assembled one in perspective Parts of the embodiment shown in Pig.1.

Pig.4 is a perspective view showing the usage the embodiment shown in Pig.1 of the invention and the tightening or tensioning of the package during lifting as a closed unit illustrated.

Pig.5 is a perspective view showing the use the embodiment of the illustrated in Pig.1 Invention after the lifting and illustrated in Pig.4 during the free and unhindered removal of a box upwards and outwards, for example for the Retail sales illustrated.

Pig.1 illustrates an embodiment of the invention. A number of cartons 10 are arranged in a group that forms a right-angled parallel piped with a height H, a width B and a depth D. Under the group of cardboard boxes 10, a base 11 made of corrugated cardboard or the like. but this is not absolutely necessary. The cardboard boxes 10 are surrounded by a web of stretchable, elastic and slack and preferably transparent material 12. The material 12 can consist of a cross-linked shrink film made of polyethylene of about 76 η thickness or of any of other materials,

which are known in the packaging sector as stretchable, elastic, slack and sufficiently firm and therefore here not be listed. The web 12 is dimensioned so that an edge 16 extends around the width and depth of the Group of cartons 10 extends and allows the edges 13 and 14 to overlap in such a way that that a seam in area 15 by heat sealing, adhesives, solvents or any other means can be formed, who are known to be enable the formation of a proper seam in the material 12, so that a tubular casing is formed that extends around the side of the group of cardboard boxes. If desired, the cover can be made without a seam are formed and for example from a portion of a blown film or the like. exist.

The material 12 has along the edges 13 and 14 preferably such a dimension that it extends over a distance A, which preferably corresponds to at least half the height H of the group, vertically upwards may extend along the cartons 10 and extend under the support 11 for a distance B, generally corresponds to about 1/3 to 1/2 of the depth D of the group.

The shim 11, when used, preferably has the same size as the bottom of the group of cardboard boxes or · is slightly smaller than this bottom, so that it does not bother if the hose is taut around the group of cardboard boxes in the circumferential direction while it is being lifted is pulled and tensioned. This is discussed in more detail below. The washer consists of generally made of materials similar to corrugated cardboard used in the formation of a ^ usual casing for the cartons to be handled would be used. Ss must, however not necessarily be rigid and therefore only needs to be made of a sheet of plastic film or a

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Paper sheets exist, as was used to form "retaining sheets ⁵⁵ within a mass display. The object is to prevent the cartons 10 from sliding under the cartons 10 through the otherwise open part of the pack. Of course, there are many other possibilities, For example, the backing sheet can have approximately the same size as the otherwise open area of the bottom of the pack and be attached to the material 12 by gluing to be arranged and secured so that they form a base for at least a portion of each carton 10.

As detailed below, an embodiment of the invention is also possible in which among some or all Cardboard boxes 10 do not have a support for a sheet like the backing sheet 11. This washer can be omitted entirely and is therefore not shown in FIGS. 4 and 5.

FIGS. 2 and 3 illustrate the manner in which the backing sheet 11 (if any) and material 12 can be placed around the group of cartons 10 and secured. As shown in particular in FIG. 2, the cardboard boxes 10 can be arranged in the desired group and placed on their upper sides, that is, they can be reversed from the position shown in FIG. 1. The backing sheet (if used) is then put into place. The material 12 is then placed around the sides of the group of cartons so that it extends vertically along these sides by a distance A and the edges IJ and 14 overlap, whereupon with the aid of the means already mentioned in the area 15 between the edges a Seam is formed. The material 12 is preferably only slightly or not tensioned in the circumferential direction during the formation of the seam. The circumference of the casing or the tube can be greater than the circumference of the group of cardboard boxes, for example by about 13 mm , when using polyethylene film with a thickness of 76 η. Part of the shell material protrudes around a

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Section B beyond the Aufleeeblatt 11.

As Fig.3 shows, the over the edges of the group parts of the material 12 protruding from the two opposite sides, which have the width dimension W folded down until they reach the bottoms of the boxes 10 or the support sheet 11 (if used) touch. By this folding, the remaining parts of the material 12 that were originally on the Edges of the group of cardboard boxes protruded downward against the plane of the group's floor or support sheet 11 (if used) folded so that they are wing-shaped protrude beyond the group of cardboard boxes 10 in the manner shown. The multipack is completed by the wing-shaped parts are folded down and glued to one another and to the part of the material 12 which is arranged on the surfaces that form the depth dimension D of the group of cartons. this is preferably done by heat sealing in the triangular areas, which are designated in Figure 1 with 19, however, it is of course also possible to bond in other ways with the aid of adhesives or solvents or by any other means known to be used for setting or gluing the material 12 are suitable. All of these measures are referred to below under the collective term "Heat sealing" summarized.

As Fig.1 shows, the latter measures of folding and heat sealing on two opposite Faces of the group of cardboard boxes formed a rectangular area 18, one of the dimensions B has a corresponding height and consists of two layers of material 12 and two triangular areas 19, each of which consists of three thicknesses of material 12.

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According to the iürfinäung a designated 19a is limited only part ·, however, the triangular portions 19 heat-sealed to this limited part 19a and the heat sealing of this rope preferably extend to all three layers to überdeckender- _s lying within the range 19th In this context, by considering the figure, in particular Fig.1 to Fig.3, it becomes clear that the triangular area delimited by 19 does not only extend to the overlapping parts of the material 12, which originally over a distance B over the group of Cardboard boxes protrude and after the formation of the first group of gaps form two layers of the region 19 from the state shown in FIG. 2 to the state shown in FIG specified part of the material 12.

According to the invention, the heat-sealed portion 19a is preferably generally curved and more general Egg or teardrop shape with the larger or wider end generally pointing upwards (as indicated by the orientation illustrated in Figure 1) and the narrow or pointed end to the wider end opposite. The region 19a can also be of a generally rounded, generally triangular shape be considered. Further, the heat-sealed parts 19a are folded so that the larger or upper End parts also generally merge into one another or generally converge and the narrow or lower end parts of the heat-sealed parts 19 a generally diverge and move towards opposite lower corners of the pack extend. It should be emphasized that: 2 although the heat-sealed Parts 19a preferably at their upper ends * become wider and narrower at their lower ends

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and this training "better voltage distribution." results in a heat-sealed part 19a symmetrical in the longitudinal direction, but also with one in the longitudinal direction symmetrical shape of the heat-sealed parts 19a, a useful construction can be obtained. Further, the heat-sealed parts 19a may be completely curved, i.e. not a straight edge part have, or they can have edge parts, in particular lateral edge parts, which are straight. For example For example, the heat-sealed parts 19a may have side edge parts, the rectilinear rays generally extending from the adjacent lower corner of the group of cardboard boxes. Although you can straight edges may be advantageous, however, stress-increasing corners, interruptions or sharp edges preferably to avoid delimited edges.

It has also been found to be advantageous and preferable that no edge of the heat-sealed part 19a abuts an edge of the area 19, since a weakening or stress concentration results when an edge of the heat-sealed part 19a coincides with an edge of the area 19 and tears each Layers of material 12 adjacent these collapsing edges may result. Accordingly, the heat-sealed part 19a preferably lies completely within the region 19 'which completely surrounds the part 19a. As already mentioned, the material 12 is preferably placed around the group of cartons 10 with little or no tension. Due to this fact, each carton 10 is not jammed and can easily be removed from the top and the outside of the pack when the finished package shown in Fig . 1 is placed on the part of the material that was under the group of cartons t, and on the (possibly used) backing sheet 11 rests. However, if a

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The mass display is formed by a stack of such packages, the mass display is stable, and the Packs prevent the packs from diverging and the tendency to tilt, without any additional tie or the like. required are.

Pig.4 illustrates how the package according to the invention is handled. A lifting force acts on the at the bottom of the rectangular area 18 on each side of the group of boxes. This edge serves thereby as a means of lifting and forms a handle. There is little or no tension in the circumferential direction is present in the material 12, a hand can easily get into the space between the cardboard boxes 10 and the Material 12 are pushed and exert the lifting force. The material becomes through the attack of the lifting force in particular in the area of the rectangular part 18 and in the two layers of material below it of the areas 19 under the heat-sealed parts 19a and to some extent the whole Material 12 including material 12 in the heat-sealed portions 19a and even above moved up and dragged. As a result of this shifting and pulling, part of the material 12 is gathered together or placed in gaps and the material 12 stretched and tensioned in the circumferential direction. Due to the Because of the extensible, elastic and pliable nature of the material 12, a distributed tension initially arises therein at the lower corners, from which the tension gradually spreads upwards, as if through the pull lines shown in FIG. 4 are indicated. By the cardboard boxes become the developed hoop tension compressed, as a result of which the frictional forces between their surfaces are possible, the cardboard boxes 10 as a rigid enough block to manipulate them in the same way as if they were

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would be enclosed within a rigid package such as a corrugated cardboard box. The shape of the Heat-sealed portion 19a limits upward displacement, pulling up and gathering of the overlying two inner layers, while they are the occurrence of this shift upwards, of pulling up and generally allows gathering and bunching under this heat-sealed portion, thereby increasing the handle height set and the distribution of the tractive forces trained is directed so that the desired training is increased by pressure forces that act on the individual goods in the group.

As already mentioned, the use of the support sheet 11 is optional. The support sheet 11 can be omitted if the parts of the material lying under the cardboard boxes 10 have a dimension B, the is so large that at least a portion of each carton 10 stands on the material 12. This requirement too can be disregarded if the hoop stress that arises when lifting the pack the cardboard boxes 10 held together with sufficient force are to prevent a carton 10, which is not held from below, from sliding out before a substantial upward movement of the outer edges of the groups takes place. The "blocking force" or "holding force", which is required to achieve this increases as the coefficient of friction increases less between the surfaces of the cardboard boxes. Certain boxes have one the way they are made sufficient coefficient of friction to omit both of the above-mentioned prerequisites. Other Cardboard boxes require additional treatment, for example with a sticky coating such as he did for example is generally applied to larger paper sacks so that they can be stacked on a stacking plate

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can be stacked (usually as a container adhesive referred to) in order to be suitable for use in a pack according to the invention, in the under Some containers do not have a backing sheet 11 or a flexible film 12. The minimum requirement is of course, that some of the material 12 (or any element attached to the material 12) is at the corners lies under the group of cardboard boxes.

As previously mentioned, the material 12 is preferably initially applied with little or no tension around the group placed by cardboard boxes 10. In addition, as already mentioned, the material 12 is preferably stretchable, resilient and pliable and expediently essentially slack, so that when the on the by gathering and bundling of the areas 18 formed handle lifting forces are lifted and the pack rests again on an underlying support surface, a substantial relaxation of the gathered together and bundled areas 18 takes place and the package generally again has the appearance shown in FIG accepts. A complete relaxation does not necessarily take place, and the rest of the uplifting Areas 18 as well as remaining deformations and traction lines in 'the areas 19 and in the entire material 12 as well some residual tightening of the material 12 and lengthening of the tube part and its upper part Edge 16 can be left behind. Due to this fact, if the one shown in FIG finished package on the part of the material 12 under the group of cardboard boxes and on the (possibly used) washer sheet 11 rests, each carton 10 no longer wedged, so that it is just as easy when cannot be more easily removed from the pack upwards and outwards, as shown in FIG. 5 - shown is,

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As previously mentioned, the packaging material 12 is preferably transparent so that a stack or group of stacks of the packages can be mass displayed
can be used without the need to individually stack boxes at the display location.

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Claims (13)

Claims 1) \ Pack for a variety of items such as cartons v. S or the like. Which the packaging of the items for the Dispatch, storage and their display as a closed unit, while the individual goods are can nevertheless be easily removed from it as individual parts for subsequent handling, with each Individual good at least one basic part in the form of a has generally upright parallelpipedona and the multitude of individual items with the basic parts are ordered in a tightly packed rectangular group, indicated by an evenly wide tubular sheath made of stretchable, elastic and flexible material (12) with a die Group of individual goods enclosing part that is closed in the circumferential direction around the group and from the lower edges of the sides of the group extending vertically upwards and substantially snug against the Outer sides of the group and is dimensioned in the circumferential direction so that it is at least as large as the group and therefore by the enclosed group of individual goods essentially not tensioned and is tightened when the bottom of the group rests on a surface so that the individual goods (10) can be easily lifted upwards out of the package and removed for handling as individual goods, when the pack is at rest, and with a protruding part that extends over the a lower edge extends out and on / opposite pair of sides of these edges inwardly so to each other is folded to form a bottom portion which extends generally perpendicularly inwardly of the group from üinzelHÜtern enclosing part extends and rests against at least every corner of the floor of the group, and two end tabs extending from the side Bottom part parallel in opposite directions 509841/0251 extending to the lateral pair of lower edges, with each end flap having a central, generally rectangular one Has region (18) which is formed by a single layer of material (12) and on both sides by a pair of adjoining, generally triangular areas (19) adjoining, generally triangular areas (19) is flanked, which are formed by the material (12) folded to double thickness, each end flap folded along a lower edge of the group of items towards the part enclosing the group is and lies over one end face of the group of individual goods and with which the group enclosing Part in only one part of each triangular area (19) is glued so that by forming a pair of handles which are connected to the part enclosing the group of individual goods and of which one on each of two opposite end faces in the middle between two lower corners is arranged at a distance from the edges upwards, means are formed, which upon the action of a Lifting force on the handle lifting the package and the enclosed group of items as closed unit to allow such a distance that tensile stresses in the sheath (12) between the handle and the adjacent lower corners are generated and distributed from there upwards in such a way that that resultant components are formed which are directed inwardly towards the group of items and cause at least the bottom part of the shell to stretch tightly around at least the part of the group, which is limited by the base part of the enclosed items (10), and the items with a Force compresses, which is sufficient. To the group by frictional forces, which between neighboring items (10) designed to hold tightly together and thereby hold the pack together while lifting one 509841/0251 to give significantly increased structural strength and stability. 2) Pack according to claim 1, characterized in that the handles are gathered from upwardly gathered and folded Parts of the middle parts (18) of the end flaps (19) and the underlying parts of the the group of individual goods (10) enclosing shell exist .. 3) Pack according to claim 1 and 2, characterized in that the casing material (12) consists of a heat-sealable There is plastic film and the adhesive connection is formed by heat-sealed parts (19a), the through each layer of the triangular areas (19) and into the underlying triangular area of the extend the group enclosing part. 4) Pack according to claim 1 to 3, characterized in that each heat-sealed part (19a) is a distance has to the lower edge upwards, so that it is possible, the parts gathered upwards to lift the middle area and the parts below it, making parts of the inner ply each triangular area (19) between the gathered parts of the rectangular areas (18) and the adjacent lower corners of the group of items and the underlying parts of the Group of items (10) enclosing shell are gathered up and training of tensile forces running in the circumferential direction in the part enclosing the group of individual goods above the lower corners and along the sides of the group. 5) Pack according to claim 1 to 4, characterized in that that the heat-sealed parts (19a) have a generally curved shape. 6) Pack according to claim 1 to 5, characterized in that that the heat-sealed parts (19a) have a generally elongated shape, of 'the Hypotenuse of the triangular areas (19) are spaced inwards and angled upwards converge and diverge downwards. 7) Pack according to claim 1 to 5, characterized in that each heat-sealed part (19a) is generally oriented towards an adjacent lower corner of the group of items, 8) Pack according to claim 1 to 7, characterized in that each heat-sealed area (19a) bounded by two diverging rays emanating from an adjacent lower corner of the group start from individual goods. 9) Pack according to claim 1 to 6, characterized in that one of the hypotenuse is adjacent Edge of each heat-sealed part (19a) is generally linear and parallel to the hypotenuse. 10) Pack according to claim 1 to 6, characterized in that each heat-sealed part (19a) has a generally oval shape or teardrop shape. 11) pack according to claim 1 to 6, characterized in that each heat-sealed part (19a) has a generally rounded triangle shape. 12) Pack according to claim 11, characterized in that the generally triangular shape between includes two rays emanating from one end corner of the pack. 13) Mass display consisting of a variety of Packs made of transparent material 50 9841/0251 according to claim 1 "to 12, which are stacked on top of each other and form stable stacks" which do not tilt have a tendency. 509841/0251 Blank page