DE1586745A1 - Bottom closure arrangement for container - Google Patents

Description

5373 13

International Paper Company, New York N.Y. / UNITED STATES

Bottom closure arrangement for containers

The invention relates to containers, in particular to Bottom closure arrangement of cardboard containers.

Cardboard containers are used to a large extent to package one Wide variety of produce including food and beverage uses - and one well known cardboard container is the so-called gable top container shown in U.S. Patent 2.75o.o95. Such Containers are typically built or erected from blanks with a predetermined geometrical shape, which by a Roll of paper sheet raw material, the has a coating of a thermoplastic protective material such as wax or polyethylene. On the blanks embossing lines are also pressed in to the upper closing, To limit bottom closure and side wall elements of the assembled container. Usually a cardboard container will be used of this type assembled on an automatic machine by turning a blank into one on both ends open tubular body is folded and sealed, the bottom sealing walls of the blank are sealed together, the container is filled with the desired product and finally the closure walls of the gable-like upper side of the blank be sealed together.

Because the bottom of a cardboard box is particularly easily damaged it is very important - the bottom seal of the container to be designed so that this has sufficient strength and cornering strength to ensure the durability of the container

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to guarantee even under rough use or treatment. In a known container arrangement, a Bottom closure with sufficient strength achieved in that a number of bottom wall elements or tabs are provided which are folded, tucked in and sealed together to form a bottom that is numerous has overlapping layers of cardboard. This version of a bottom closure arrangement is used for containers those in US Patents 3.12o.333 and 3.12o.335 * shows are.

As shown in these patents, include Bottom closure elements four bottom walls or tabs with an approximately rectangular shape, two opposing main tabs and two opposing secondary lobes. The lengths of the main and secondary lobes differ mainly in that one main flap is provided with a one-in-one process and the other main flap with an overfold process, whereas the secondary lobes have no such processes. The secondary lobes are indicated by embossed lines in a central triangular section and two triangular connecting parts divided, one on each side of the central triangular section. The bottom lock will formed in that the opposing main and secondary lobes against each other and against the center of the container be folded. The folding of the secondary tabs has the result that each connector on each secondary tab under a corresponding one Part of each opposing main flap is folded so that the connecting parts on opposite Minor lobes, which are folded under the same main lobe, cooperate and a slit under each main lobe form. One of these slots forms a plug-in

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slot under the main flap with the overfold extension to receive the insertion extension of the opposite main flap when the two main flaps are brought close enough together. At the same time as the Eineteckfortsatz is accommodated in the insertion slot, the main flap with the overfold extension is placed on top of the main flap with the insertion extension so that the overfold extension overlaps the insertion extension. In addition, when the bottom closure assembly is completed, the edges of the fittings folded under the opposing main tabs are brought into close engagement without, however, squeezing the hands together and thereby compromising the durability of the container.

Due to the design of conventional bottom closure arrangements, special forming tools are needed and it must be maintained within tight tolerances when the Behälterroh linge with the matching shape of the braid cloth from a roll or sheet of cardboard to be separated. An automatic device for assembling the container with conventional bottom closures also had to be precisely adjusted to relatively narrow tolerances in order to ensure the correct formation of the insertion slot away from the Kebenlappen connection parts and also an exact adjustment of the insertion extension of the opposite main flap within the insertion slot.

After "of the present invention a strong, leak-resistant. Bottom closure is provided which can be interconnected close divides an existing automatic device which does not require the compliance with tight tolerances as in compiling conventional soil conditions

BATH ORiGINAL 009826/0396

Conclusions are needed. The bottom closure arrangement according to the invention also enables considerable savings on cardboard, as container blanks with the bottom closure elements are provided according to the invention, can be cut from a narrower cardboard roll than from one needed for container blanks that employ a conventional bottom closure arrangement of that described above Own execution.

The bottom closure according to the invention also has two opposing main lobes and two opposing secondary lobes, both of which have a rectangular shape, each of the two main lobes being provided with an overfold extension and the secondary lobes being made considerably shorter than the main lobes. By making the secondary lobes considerably shorter than the main lobes, there are numerous important advantages without compromising the strength and leak resistance, which are essential for a container suitable for the trade. To achieve these benefits without sacrificing strength and leak resistance, it has been determined that the length of each minor lobe should be on the order of 20-75 ^c /> the length of each major lobe, the upper limit of this percentage range being the size of the container depends, but in any case the maximum length of the secondary lobe is kept such that it allows an overlap instead of a pin-plug ratio between the two main lobes.

Every Ziebenlapperi is in the bottom seal according to the invention divided into a central trapezoidal part and two triangular connecting parts, one of which one on each side of the central trapezoidal part. During the production of the bottom closure according to the invention, the two secondary lobes and the

BATH 009826 / Ö396

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two main flaps folded towards the center of the container, and although the connectors are folded under the main flaps, they only extend by one because of their shortness relatively small piece against the middle of the. container, and there is thus no plugging required to the container put together according to the invention. The overfold processes The two main flaps are brought together by simply folding one over the other. As a result of the relatively small design of the connecting parts are also the edges of the under the opposite Main flap folded connecting parts far apart, when the bottom closure according to the invention is complete is compiled, whereby a potential impairment of the soil durability as a result of shyness or squeezing of the abutting connector edges, as with conventional bottom closures, completely avoided is"

Another from the relatively short length of the secondary lobes According to the invention, the resulting advantage is that BehälTerrohlinge with the short secondary lobes according to cut of the invention from a narrower cardboard web saving a considerable amount of cardboard. -This advantage was obtained when observing discovered that the short minor lobes enable the two rows of container blanks that are cut from their path may move closer together than conventional container blanks, so that the same number of Container blanks are separated from a narrower web can, ■

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The elimination of the insertion process not only reduces the scope or the difficulty of the compilation of the carton, it also simplifies the separation of the container blanks from the web and reduces costs for separation. With common bottom closures, the corners of the main lobe insertion process become common beveled to ensure proper insertion, and. despite minor or temporary changes in setting up the container manufacturing facility o Requires the creation of beveled major tab corners again cutting tools with relatively complex shapes to sever the container blanks from the web. These complex tools are not only expensive, but replacing them from time to time also causes the Production of an entire production line. In one embodiment of the invention, on the other hand, by the elimination of the plugging also no beveled main flap corners required. As a result, there will be no tools Required to cut off the beveled corners of the main flap, when converting a paperboard sheet into container blanks which is the bottom closure form of this embodiment to have.

Those skilled in the art can the following description and the accompanying drawings, readily seen that the principles of the invention advantageously applicable to containers which can be made of various sizes and made of various materials "

The invention will now also be based on the accompanying figures detailed, described, all from the description The details of the exercise and the illustrations or

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Features contribute to the solution of the problem within the meaning of the invention can and were included in the application with the will to be patented. .

Ee show:.

Figure T A is a plan view of one side of a known one , Container blanks;

Figure 1 B

Figure 2 A

Figure? B.

Figure 13 is a plan view of one side of a container blank fitted with a bottom closure assembly is provided according to the invention;

a top view of two rows of known container blanks, as they exist immediately after being separated from a paper tube;

a plan view of two rows of container blanks according to the invention as they are, immediately after they are separated from a cardboard tube;

Figure 5 A,

3 B, 3C »3D and + E views of alternative designs for the bottom extension of the lateral marginal flap in the bottom closure arrangement according to the invention from above;

Figure 4 A

a perspective view of a partially assembled known bottom lock from below;

Figure 4 B

a perspective view of a partially assembled bottom closure according to the invention from underneath;

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Figure 5A is a plan view showing the outside of a completely represents assembled known bottom closure;

Figure 5B is a plan view showing the outside of a completely assembled bottom lock according to the invention shows;

FIG. 6 A shows a sectional view along the line 6 A-6 A of FIG. 5 A, which shows the tabs of a known bottom closure in their completely assembled · set locations illustrated and

FIG. 6B shows a sectional view along the line 6B-6B of Figure 5 B showing the flaps of the bottom seal according to the invention in their fully assembled layers.

Reference is now made to the drawings in which like reference characters indicate like parts throughout the several views. In.Figur 1 A, a flat blank 1o is shown, from which a container with a conventional bottom closure is assembled. The blank 1o is divided into four body walls 1.1, 12, 13 and 14 and a lateral edge wall 15 by vertical embossed lines 21, 22, 23 _{t 24.} Each of the walls 11 to 15 is divided into three sections, namely a top section, a side wall section and a bottom section, by horizontal embossed lines 25 and 26 which run approximately perpendicular to the vertical embossed lines 21, 22, 23, 24. The upper sections 11a, 12 a, 13 a, 14 a, 15 a form the elements from which the known gable-like upper closure is formed, and the side wall sections 11 b, 12 b, 13 b, 14 b, 15 b represent the elements from which the side walls of the finished container are formed. The gable-like upper one

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Closure or the side walls are not explained further, since these parts of the blank 1o are known and in the explanation of the bottom closure according to the invention do not have to enter.

The bottom sections 11c, 12c, 13c, Hc, 15c of the blank 1 o together form the elements from which the bottom closure of a conventional container is assembled. Sections 11c and ^ c ^ are the main floor lobes, the sections 12c and 14c are the floor flaps and section 15c is the lateral edge floor flap “It is noted that the 'Lifting and main lobes are fairly rectangular in shape, whereby the secondary lobes are slightly shorter than the main lobes, mainly because of the extensions 11d and 13d the main lobe as explained in detail below one of these main lobe processes Hd forms an insertion process when the container is completely assembled, while the other main lobe process 13d has an overfold process forms in the fully assembled container. ■ "'." ■■

From Figure 1 A further shows that both corners of the one. Plug extension 11d are beveled, whereby the assembly of the bottom closure is facilitated in which the Extension 11d into a slot under the main tab 13c in the manner shown in Figure 4A is inserted. Furthermore, one corner of the extension 13d is beveled to the To prevent the accumulation of excessive cardboard layers, which would occur if the extension 13d touched the lateral edge floor flap 15c overlaps. The side edge tab 15c is also beveled to match the corner bevel on the extension 13d match, and from Figure 5A it can be seen that that these two beveled corners on the main lobe extension 13d. and carefully measured on the lateral edge flap 15c must be in order to prevent undesired overlapping in the finally assembled container.

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The secondary tabs 12c and 14c of the container 1 o are through Pairs of diagonal embossed lines 33 »34 and 31» 32 in triangular ones Central sections 51 and 41 divided between triangular connecting sections 52 * 53 and 42, 43 switched are. The spatial relationship of these middle and connecting sections is shown in Figure 4 A, in which the Blank 1o shown in a partially erected form is. Before the bottom closure is assembled, the blank 1o is deformed into a tubular body by the walls 11, 12, 13, 14 folded around the vertical embossed lines 21, 22, 23, 24 and the lateral closure or edge wall 15 and the vertical wall 11 are sealed together. Thereupon the Bodenversehluß of the tubular Container assembled by the major and minor flaps are folded around the embossed line 26 so that the central portions the flap is moved towards the center of the container and the opposing flaps are moved against each other.

The partially assembled Bodenversehluß according to Figure 4 A illustrates how the connecting portion 43 around the Emboss line 32 is folded to form part of a slot to form under the main tab 13c of the insertion extension 11d of the main lobe 11c receives. A completely assembled floor seal is shown in Figure 5A, from which it can be seen that the edges 45, 44 of the connection sections 43, 42 and the edges 54, 55 of the connection sections 52, 53 are folded under the opposing main flaps, which are brought into close contact when the soil closes is finally established. Here, the edge 45 of the connection section 43 and the xiand 44 of the connection section 42 brought into close contact, while the edge of the connection section 52 and the edge 55 of the connection

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. Sections 53 are brought into close contact. As a result of close proximity or close spacing of the opposite It is necessary to make the container blanks β rather precisely to be separated and stamped as well as a careful division of the automatic compilation unit to maintain, so that during the composition of the Bodenverchlueees the opposite connection edges Do not squeeze or push each other. ·

Reference is now made to FIG. 1B. This drawing shows a container blank 1 to 'which contains the bottom closure arrangement according to the invention. The blank 11o is divided into four body walls 111, 112, 113, 114 and a lateral edge _r or closure wall 115 by vertical embossing lines 121, 122, 123, 124. Each wall 111 to 115 is divided into three sections by horizontal embossed lines 125 and 126, which run approximately perpendicular to the vertical embossed lines 121, 122, 123, 124, namely a top section, a side wall section and a bottom section. The upper sections 111a, 112a, 113a, 114a, 115a form the elements of a gable-shaped upper closure, which can consist of any known design, such as that shown in FIG. 1A, while the side wall sections 111b, 112b, 113b, 114b, 115b form the vertical side walls in the fully assembled container.

The bottom sections 111c, 112c, 113c, 114c, 115c of the blank .11 ο together form the components of the bottom lock according to the invention. Sections 111c and 113c are the main iodine lobes, sections 112c, 114c are the love floor lobes, and section 115c is the lateral marginal floor flap, which are two minor floor flaps 112c and 114c

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diagonal by pairs of crease lines 133t 134 _t and 131 »132 divided into trapezoidal central portions 151 and 141! sindi switched between triangular connection portions 152, 153 and 142, 143 The spatial Yerhältnie.dieser intermediate portions and terminal sections is shown 4 B in FIG.

As shown in Figure 1B, the minor lobes 112c and 114c are designed to be significantly shorter than the major lobes 111c and 113c as measured from embossed line 126 to the lower edges of the lifting lobes and from the embossed line 126 to the lower edges of the extensions 11Id and 113d of the major lobes, thereby providing numerous unexpected advantages in the manufacture and assembly of containers with this arrangement. However, the extent to which the minor lobe length is to be kept shorter than the major lobe length is not critical because the minor lobe length, expressed as a percentage of the major lobe length, can be selected within the range of $ 2o to $ 75. Here, the secondary lobes and the main lobes have a rectangular shape in which the width of each rectangle is the same as the width of the body wall to which the bottom lobe is adjacent. The length of the main flap is chosen so that it is greater than half of its width, so that in the assembled position of the ^{bottom closure the edges (of} the two main flaps overlap to an extent that is so large that a relatively strong bottom for the If desired, the main bottom flaps of the invention can be of approximately the same length as the main bottom flaps of conventional bottom closure assemblies.

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I In the case of container blanks which are cut from a single Papplag ·, the lower limit of 2o # is the length of the minor bottom flaps relative to the length of the main flooring cloth according to the invention suitable for containers of one gallon (3E7 dm) _t one-half gallon ( 1.8 dnr), one quart (1.14 dm) and with XL one one capacity, but the upper "percentage limit depends on the size of the cross-section of the container. The upper percentage limit for the length of the Kebenboden lapperi is relative to the length of the main floor lobes here the order of 75 # for gallon container (3.7 äm ^) 69 $> for containers with a hai hen gallon (1.8 dnr), as well as for containers with a smaller-capacity, have the same cross-section as Quart container (1.14 x dm) In the present invention, the two most important factors in determining the upper percentage limit for the length of the lifting lobes relative to the length of the main lobes are to avoid d there is plugging in when assembling the bottom closure and the savings in container material. Examples of suitable secondary flap lengths for single-layer, thermoplastic-coated cardboard containers of various sizes are given in Table I below in inches or millimeters.

. '. · Table I ■

Lifting flap length Blank size ₍ maximum or preferably minimum

1.14 diAmd smaller t, 070 »21/32» 0.345 "

•,. 27.1 mm. 16.6 mm 8.6 mm

1.8 dm ⁵ 1.530 »11/16» 0.445 "

■ 38.8 mm 17.4 mm 11.1 mm

3.7 dm ⁵ . 2,300 »23/32» O, 615 "'

58.4 mm ■ - 18.3 mm 15.5 mm

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-__./■ Ee it is understood that when one approaches the lower and upper limits of the above ranges, certain properties " the container will be bought with the loss of other properties. At the lower. Limits of these ranges, for example, the savings It will also be understood that the exact amount of strength reduction is a function of a number of structural features, of which the minor lobe length is only one.

Reference is now made to Figure 4B. This drawing shows a container with a partially assembled one Bottom closure which is formed from a container blank with the arrangement shown in FIG. 1B. After the The blank 11o is made into a tubular shape, the bottom seal is assembled by removing the main and secondary lobes folded around the embossed line 126 so that the middle Moved portions of the flaps towards the center of the container and moved the opposing flaps towards each other will. The connecting sections 142, 143 and 152, 153 become also folded around the embossed lines 131 * 132 and 133, 134 so that that the inner surfaces of the connection sections are moved against the inner surfaces of the corresponding main tabs. Figure 4 B shows how der'Anschlussabschnitt 143 around the Embossing line 132 is folded so that it comes under the main tab 113c, and it is understandable that if one the secondary lobes 112c, 114c in length relative to the Main lobe 111c, 113c is sufficiently short, the slit, which is formed between the connecting portion 143 in its folded-under position and the main tab 113c extends only a short distance towards the center of the container. The consequence is that when assembling the floor covering

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Conclusion according to the invention it is not necessary that the overlapping parts or extensions 111d or 113d of the Main flaps are to be tucked into some slot, and that it is only necessary to put a main flap over the others to fold, as shown in Figures 4B, 5B, 6B. As a result of the relatively short length of the connection sections there is also a wide gap that separates the edges 145, * 144 and 154, 155 of the opposite connection Sections 143 »142 and 152» 153 separate after these are folded under the main flaps, thereby allowing is that the container blanks can be separated, embossed and erected with an accuracy that far is less critical than with conventional containers.

In addition to the advantages described above, if the secondary lobes are considerably shorter than the main lobes executes, a considerable saving in material is achieved, from which the container blanks are separated. this can be seen from a comparison of Figure 2A with Figure 2B. In Figure 2A, two rows 1a, 2a of container blanks Ιο- !, 1o-2, 1o ^ 3 are shown immediately after this from a web or roll of container material, e.g. can be that on both sides with one. thermoplastic material such as polyethylene or wax coated is. It is noted that between the two rows of blanks as a result of the complementary recesses in the bottom edges of the two rows of blanks there is some degree of nesting or engaging. However, this is with the exhaustion of the intervention or the Contempt to compare which with the bottom lock is achieved according to the invention, as shown in Figure 2B. There can be, due to the much shorter

• where mm \ Uk \ z

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Lengths of the secondary lobes, the two rows Tb, 2b of the hollow rings II0-I, II0-2, II0-3 nest much more closely or come together, thereby enabling the same number of blanks as shown in Figure 2A to be from can be separated from a narrower web of container material.

This is evident from a comparison of the total width W of the two rows of containers in FIG. 2A with the total width W ^{1 of} the two rows of containers in FIG. 2 B, W being smaller

as W is. '

A comparison of FIGS. 2A and 2B also reveals a further advantage of the invention. When cutting off container blanks with conventional bottom seals, it is common to bevel the corners of the main lobes, as is the case is shown in Figure 1A. To get those beveled corners too To create one, a special punching or cutting tool has been designed to remove the unwanted corners at the same time cut off, to which the blanks are separated from the web * The surfaces 27, 28, 29 in Figure 2 A show that tools with relatively intricate shapes are required to carry out the necessary corner cutting In contrast, the corners of the bottom closure elements are cut rectangular according to the invention, as this shown in Figure 1B. The consequence is that to manufacture the blanks according to the invention do not have any special corner cutting tools with intricate shapes are necessary. This is. clearly shown in Figure 2B, after which the only cutting tool other than that required to sever the blanks from the web, is the one which is excessively long avoids lateral edge floor flaps, as indicated by the rectangular surfaces that are

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train number 12ο are marked. However, it is noted that this tool has a simple rectangular shape compared to the complex shapes shown in Figure 2A »

Reference is now made to FIGS. 5A to 5E. These representations show a number of alternative embodiments for the shape of the side edge or closure bottom flap according to the invention. FIGS. 5 B, 5 6 and 5 D show different variants of a rectangular shape for the lateral edge bottom flap, with shapes 118 and 119 in FIGS. 5 B and 3 D illustrating minimum and maximum lengths and shape 115c in FIG. 3 C showing the preferred length . If desired, the outboard corner of a rectangular side edge bottom flap can be removed to create a beveled corner that abuts a complementary beveled corner on main flap 115c, as shown in Figure 1B, or against diagonally folded edge 171 of the As shown in FIG. , wise millimeters. are given. , ■

Table II preferred minimum O Blank size maximum 1/4 "
6.5 mm O 1.14 dm and smaller
Capacity ■ 15/52 »
11 i 9 mm 5/16 »
8 mm O 1.8 dm ⁵ . . 29/52 "
23 mm 5/8 »'
9.5 mm 5.7 dm ³ 1-21 / 52 "
42 mm.

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The preferred rectangular shape 115c, which is shown in Figure 3C is, is also shown in the erected container in Figure 5B, from which it can be seen that the bottom edge 161 is a occupies a distinct and separate position "in the collated container, thereby enabling it to be separated and so it can be sealed more effectively by removing the outside Bottom surface of the container ″ along a line which is defined by the edge 161, embossed or delimited is pushed in (staking).

If the bottom closure according to the invention is embodied so that there are secondary lobes which are considerably shorter than the main lobes, it is evident that there is considerably less container material in the bottom closure according to the invention than in conventional bottom closures of the type shown in Figure 1A, Um Now to ensure that despite the smaller amount of material the bottom seal according to the invention has a strength and leak resistance that is comparable to containers with conventional bottom seals, numerous cost increases are provided in the device for producing the bottom seal according to the invention. These innovations in the assembly and sealing of the bottom closure, which are described in detail in another patent application, provide the erected container with "a bottom surface which is perfectly flat, whereby the wear resistance and the leak resistance of the container are improved" A comparison of the figures 6 A and 6 B shows that the bottom surface of a conventionally set up container shown in Figure 6 A is characterized by a number of bulges that are caused by protruding areas or edges that _{correspond to the t} multiple layer areas of the bottom closure, whereas the bottom surface of the floor shown in Figure 6B

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Closure according to the invention is fairly flat. Since the Bulges in the bottom surface of a conventional container are subject to greater wear, the Asked container is relatively unstable and the sealing of potential leakage paths between inner folded Sections of the bottom seal will be more difficult. The elimination such bulges by the invention results in a container with outstanding durability. It understands that the formation of a flat bottom surface is not limited to containers that have the bottom closure according to the invention but that a flat bottom surface is a desirable feature for containers that have some variant have a bottom lock.

The idioms and expressions used above are for the purpose to explain the invention and do not represent a restriction.

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Claims (8)

Claims 1. Container made from a one-piece blank 'from foldable sheet material defined by a number of embossed lines in four adjoining body walls .and a side edge wall is divided, which is adjacent to one of the body walls, the body walls and the side Edge wall further by embossed lines in a group of upper closure elements, a group of side wall elements and a group of bottom closure elements, characterized in that the group of bottom closure elements first and second opposing rectangular main bottom tabs (111c, 113c) which are attached to the adjoin two opposite body walls, the width of the main floor lobes being equal to the width of the body walls and the length of the main floor lobes being greater than that Half of its width, so that the bottom edges of the main bottom lobes overlap each other when calibrating the bottom closure elements are in their assembled position, third and fourth opposing rectangular sub-floor tabs (112c, 114c) adjoining the other two opposing body walls, the width of the minor floor lobes the width of the main floor lobe and the The length of the lower floor lobe is considerably shorter than the length of the main floor lobe, and a lateral marginal floor lobe (115c), which is arranged next to the one lifting floor tab. · " 2. Container according to claim 1, characterized in that the length of the Iiebenbodenlappen is selected so that it is between about 2o <fi and 75 $ of the length of the main bottom flap. 009826/039 6 3. A container according to claim 1 or 2, d a d u r c h ge k e η η ζ ei without t that the sub-floor lobes through a '' Group of two diagonal embossed lines (131 »132 and 133» 134) in a central trapezoidal section (141, 151) are divided between two triangular connection sections (142, 143 and 152, 153) is switched on that The length of the secondary bottom tabs is such that when folding the connecting sections under the corresponding main bottom tabs to assemble the Bodenversehlußelements the Connection sections are so short that inserting the bottom edge of the two main bottom tabs is avoided in the slot between the connection sections and the opposite main floor flap is formed. 4 ο container according to claim 1, 2 or 3, characterized in that the lateral floor flap has a rectangular shape and a length equal to that of the adjacent, second sub-floor lobe is" . 5. A container according to claim 1, 2 or 3, characterized ge mark ei chnet that the lateral edge floor flap has a rectangular shape and longer than the 'neighboring one second sub-floor lobe is. 6. Container according to claim 5, d a d u r c h characterized, that the lateral marginal floor flap is longer than any secondary floor flap and shorter than any main floor flap is" - 7 «Container according to claim 4, 5 or 6, since d u r c h g e ke η nz ei c hn et that the lower corner of the lateral Marginal floor lobe not attached to the second sub-floor lobe is beveled. 009 82 6 / Q 39 8 8. Container according to one or more of the preceding claims Proverbs, characterized by: that the blank has a first group of four parallel embossed lines that divide the blank into five adjacent one another Divide walls that are a first, second, third and fourth Body wall of the same width and a side edge wall adjacent to the fourth body wall which is of a smaller width than the body walls, as well as having a second set of parallel upper and lower embossed lines that are roughly run perpendicular to the first group of embossed lines and the walls in the group of bottom closure elements, the group of side wall elements and the group of bottom closure elements split up """' ^iV " ^{S :} * ^: "^ 3826/0398