JPH07509680A - Palletizable blanks and structures for maintaining and capturing layers of containers, and packaging methods and apparatus using such blanks - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] palletizable blanks and structures for maintaining and capturing container layers; and Packaging method and apparatus using such a blank Keep at least two stacked container layers each connected to each other in minutes. Blanks made of sheets of paperboard or corrugated cardboard for producing holding and catching structures (blanks) or cut paper, and such retaining and capturing structures. Main departure The invention also relates to packaging methods and packaging devices using such blanks.

The present invention uses rigid plastic to form groups or packs of 4 to 6 pieces. Yogurt or the same material connected between each other through its upper collar This is widely applied in the field of two-layer packaging for type of grocery jars. It is not limited to the field of

Structures that maintain and capture the layers of yogurt or equivalent jars are already available. Are known.

For example, one known structure includes one per turn around the edge of the jar's layers. A strip blank or cut paper made of paperboard material that covers the jar while exhibiting folds. Therefore, it is configured.

Such a structure has drawbacks.

In fact, such a structure consists of stacked layers containing a large number of yogurt jars (e.g. 2 layers containing 12 jars each) can be easily captured or securely maintained. It is not possible to hold it.

Moreover, the manufacture of each blank requires a large amount of material, generally corrugated cardboard, for such construction. Requires consumption of roll or similar sheet material.

The invention achieves minimal packaging material consumption and thus optimized costs. , to securely maintain and contain two or more stacked container layers each containing a number of containers. In particular, the practical requirements are well known, in that they can be easily captured. A small stack of containers, such as yogurt jars, that are even more filling than those Blanks and packaging materials or structures for maintaining and capturing at least two layers, if The object of the present invention is to provide a packaging method and a packaging device for these layers.

The appearance of packaging materials is pleasing, and markings can now be made on the sides. There is.

Additionally, the packaging material of the invention can be easily and directly palletized, i.e. manually or can be automatically stacked and stored on pallets in a particularly stable manner. Ru.

It is also possible to mechanize the production of packaging materials, which significantly reduces time and costs. Saved.

To this end, the invention particularly provides containers that are connected to each other in the upper part of each layer. for manufacturing a structure for maintaining and capturing at least two stacked layers of In a blank made of a sheet of paperboard or corrugated board, the first folds parallel to each other A series of five faces connected to each other by lines, two end faces and one Three approximately rectangular surfaces including the central surface of one inner part connected to the adjacent substantially rectangular surface by the first fold line; It contains the same face of two T-shaped shapes, including the central leg, which can be used for an integral number of containers. symmetrically on each side of this leg, said upper edge of the generally rectangular surface having corresponding lateral dimensions. one upper crossbar extending in a lateral dimension corresponding to the length of one layer on the We provide blanks featuring:

In one advantageous embodiment, the first fold line is a main frame connected to the upper edge of the T-bar by a second vertical fold line; The wrapper is provided with a T-shaped surface that covers at least a portion of the container lid of the upper layer. It is intended to cover the

Advantageously, this main flap is for covering the entire top layer lid. , the end of the joint with the other side of the T-shape once the structure is formed around the layer. Comes with minutes.

In one advantageous embodiment, each side of the T-shape includes one main flap. Ru.

Advantageously, in the case of two main flaps, one of the main flaps The single or plural flanges are folded onto the lid of the lid along the second fold line. said lid of the container in the upper layer to form a structural lid when the container is folded. Also for covering a complementary part in relation to that of the other main flap. It is, One of the main flaps has a structure formed around the layer The end portion that joins the main flap of the other side facing each other at the point It has.

Advantageously, the two sides of the T-shape include a second fold line located opposite the second fold line; A secondary flap connected to the primary flap by a third fold line parallel to the second fold line. the primary flaps each having a joint termination portion formed by a flap; This secondary flap has, for example, an elongated, approximately trapezoidal shape, with an end surface shall have at least one elongated slot or semi-wet hole in its lower edge. It includes a portion of an elongated slot, and the central surface has at least one elongated slot. The width and length of these slots are equal to the cross-sectional width of the two side-by-side secondary flaps. and slightly larger than the height, and the portion of the slot or slot is relative to the third fold line. From this third fold line of the plane is elongated in parallel and at a distance corresponding to an integral number of containers. It is located in a remote location.

In an advantageous embodiment, any one and/or combination of the following arrangements furthermore: Ni used for -Only one of the T-shaped faces has a main flap, and the joint termination part is A tongue-shaped portion for interlocking with the upper portion of another T-shaped surface of the flap.

- one of the main flaps, called the first main flap, of the upper layer container; The other main flap is arranged to cover the entire lid, and the other main flap is arranged to cover the entire lid. It merely forms an adhesive tongue with the wrap.

- Two T-shaped faces are provided with main flaps, only one of which has a main flap, the other an abutment constituted by two ear-shaped end extensions for interlocking with the main flap of the A mating end portion is provided.

- By presenting a central cutout at the joint between the four containers, the upper collar can be inserted. A layer is formed by a group of containers connected to each other with each Each approximately rectangular surface has, at its upper edge, a point at which a structure has formed around said layer. (with a shape arranged to be inserted into the cutout and directly into the elongated slot) A small (also containing one foot) extending upwardly over a certain height at the corner. There is.

- each end face includes a foot at its upper edge and a slot at its lower edge; The central surface includes two legs on its upper edge and two slots on its lower edge. There is.

In this case, the lateral dimensions of the major surfaces are different, for example, one is approximately twice as large as the other. Yes; - each secondary flap includes, for example, a longitudinally centered cut; The cut forms a central cutout with an elongated shape once it is pushed in. Therefore, the free edge in the shape of a collapsed circle and the cut rejoining edge with a third fold line It shows.

The present invention also provides for the use of blanks such as those described above in the upper part of each of the layers. On the other hand, two groups arranged in parallel rows connected by group. of at least two layers of stacked parallelepipeds each composed of the same container In the packaging method, the bra is wrapped over itself around a mandrel. Forming an intermediate structure composed of links, horizontally spaced T-shaped surfaces fixing the two end faces on top of each other to form a directional wall; If necessary, the main flap or flaps of said T-shaped surface are spaced outwardly. to make From above the intermediate structure stiffened by the lateral walls, the wall soil is placed next to the group. The volumes of the two groups in the bottom layer can be adjusted by fitting the two adjacent rows. Introducing one or more containers onto a portion of the lower layer at right angles to this portion. Place the upper layer part of the If necessary, the upper layer can be fixed against each other, facing each other over the lid of the container. folding the main flap or flaps of the two T-shaped surfaces in a configuration; We also propose a packaging method featuring the following.

Such packaging methods are easily mechanizable.

Advantageously, containers of the same group have a central cutout at the joint between the four containers. are connected to each other through their upper collars, and the lateral walls have At the same time as the container group of the lower layer is introduced, with the foot attached, the corresponding foot is inserted. Insert the substantially rectangular surface of the foot into the cutout.

Such feet in particular allow better positioning of the top layer.

In one advantageous embodiment, a blank with a secondary flap is used to A protruding planar portion is formed perpendicular to the plane of the lid of the sublayer.

Advantageously, a cut is made in the secondary flaps which become opposite each other. For this purpose, tools can be introduced into these cuts to make the cuts, e.g. by gluing. Precisely adjust the two secondary flaps facing each other before or during fixation. Ru.

The invention also proposes a packaging device that makes use of the steps described above. more precisely In other words, the present invention uses the above-mentioned blanks to The same capacity of two groups tied together and arranged in parallel rows. For packaging of at least two layers of stacked parallelepipeds each consisting of a container in the device - under a horizontal mandrel with a rectangular cross section, under said mandrel; means for laying the blanks flat one by one at a distance from the underside of the - said mandrel having a rectangular cross section with a width equal to the width of said central plane; - The adhesive on the joint end portion and end face of said blank is used, - the lower part of the mandrel. Apply the center plane over the faces and wrap the series of faces around the mandrel to connect the end faces to each other. means for gluing on - a mat mounted on a continuously moving elevator chain; Consisting of interconnected surfaces on a horizontal shaper placed in the axis of the handle (means for introducing the lower part of the intermediate structure formed by - Contains multiple shape retainers in series, e.g. lower surface of shape retainer intake, horizontal mandrel Vertical sides exhibiting a shape retainer in the extension and for filling and discharging packaging materials said elevator chain, said elevator chain being provided with an upper surface for preparing and presenting an intermediate structure; - if necessary, pre-crushing means for the main face and the prominent planar parts of the face; - means for filling said intermediate structure; - the main surface and/or and means for applying a secondary flap. The company also proposes a packaging device featuring:

Advantageously, the blank includes a secondary flap, and the lid forming means includes a secondary flap. protruding intermediate structures relative to each other for fixing the faces on top of each other and closing the packaging material. A means for applying a flat section is included.

Advantageously, the device includes connecting two secondary flaps of the same intermediate structure to each other. Means are further included for aligning each other prior to application.

In an advantageous embodiment, the device includes a formed package for placing directly on a pallet. Means for automatically capturing the protruding planar portion of the dressing material is further included.

The present invention also provides a retention or capture package constructed using a blank as described above. It also proposes packaging materials or structures.

Similarly, and more precisely, the invention provides that each of said layers is arranged in parallel rows. Stacked flats of identical containers tied in groups against each other in the upper part In a structure for retaining and capturing at least two layers of row hexahedrons, paperboard or Made of corrugated sheet material, two opposing sides of these layers are a structure comprising two identical parallel sides for enclosing, each of said sides is a top horizontal bar with a length approximately equal to the length of the top layer and a width corresponding to an integral number of containers. a T-shaped shape having a height approximately equal to the height of said layer, including a downwardly extending central leg of said layer; , and the side edges of the two side legs facing each other are connected to the center leg. connected between each other by two lateral walls perpendicular to the plane, said lateral The opposite wall is arranged to fit between two parallel rows of the lower layer of the container. , and a partial or complete top where the top surface is missing or divided into two parts. We are proposing a structure characterized by including parts.

Advantageously, the structure includes an upper surface for only partially covering the container lid of the upper layer. There is.

Also advantageously, the structure includes a tailored handle.

In one advantageous embodiment, the structure has a lower surface connecting the lower ends of the central leg. , may or may not include two lateral flaps connected to and perpendicular to this lower surface. There may be cases where it is not.

In one advantageous embodiment, the upper surface has a lateral plane facing outwardly from the structure. parallel to and perpendicular to the joint between two rows of containers of the same layer. a protruding planar portion located away from the upper edge of said side surface; The transverse wall has a projection on the upper side of the structure at its lower edge facing outside the structure. A small section to accommodate a protruding flat section with the same cross-section as that of the protruding flat section. At least one elongated slot is provided between two rows of containers on the same layer. positioned away from the lower edge of the leg of the side wall at right angles to the joint. ing.

Advantageously, the upper part of the T-shaped part of the two side walls forms a top surface and a protruding flat part. Each of the upper horizontal bars is marked with a fold line called a second fold line to mark the upper edge of the upper horizontal bar. with main flaps connected to the horizontal bar, each main flap being connected to the horizontal bar. around the outer top edge on the corresponding side of the layer in a plane perpendicular or nearly perpendicular to the surface. each main flap is folded over the lid of the top layer of the container. It is intended to cover a complementary part in relation to that of the main flap. Also, a third fold parallel to the second fold line is formed on the opposite side to the second fold line. connected to the main flap by a line and in relation to the plane of the main flap; folded vertically out of the structure and thus secured opposite it. said protruding part perpendicular to said plane with the secondary flaps of the lateral main flaps It is terminated by a second flap forming a flat portion.

In one advantageous embodiment, the two parallel lateral walls are separated by a first fold line. Connected to the side edges with two side legs facing each other, each with one side. is attached to a first small plate facing the leg of the side wall and connected to the two side edges. and, on the other hand, with the ends glued on top of each other, e.g. to the first fold line. It is composed of semi-living plates that are symmetrical in relation to parallel straight lines. .

Advantageously, the maintenance structure has one or more upper layers transversely in a direction parallel to the side surfaces. Includes retention means to prevent directional movement.

In one advantageous embodiment, the containers of the same layer group have a junction between four containers. By presenting a central cutout in the parts, the parts are connected to each other through the upper collar. each platelet has a surface on its upper edge extending upwardly over a certain height. and once the structure has been formed around said layer (such as to be inserted into the cutout). and at least one foot disposed on the base.

The above-mentioned maintenance means are suitable for example to be inserted between the lower part of the container of the upper layer. It can be a foot-like part with a certain height.

Advantageously, the protruding flat part is centered, for example with a central and elongated formation. Contains a cutout for use.

The invention likewise makes it possible to obtain a packaging material as described above, and which also comprises a first A series of three planes connected to each other by fold lines, i.e. the central plane of a rectangle, and the center plane of the rectangle. This T-shaped face includes two side faces of a T-shaped face connected on both sides of the central face. A top crossbar extends across a lateral dimension corresponding to the width of one layer and further extends along a first fold line. at least two sides connected to said surface by a second fold line perpendicular to In blanks that also include lateral flaps, said lateral flaps are attached to the lower layer of the container. He also proposed a blank positioned to fit between two parallel rows of ing.

Advantageously, said lateral flaps are substantially rectangular and are closely spaced by said second fold line. by four secondary flaps connected on each side, two on each leg of the glyph face. It is configured.

In another advantageous embodiment, the central plane is defined by the second fold line. It includes two secondary flaps connected on either side of a central flap.

Advantageously, a small number (both in one T-shaped plane and in a third fold line parallel to the first fold line) is provided. Therefore, it is connected to the upper edge of the T-shaped horizontal bar and at least partially covers the lid of the container in the upper layer. It has a main flap that covers it.

The invention is intended to be read as an embodiment of the invention, given by way of example and without a limiting meaning. This will help you understand it even better. Please refer to the attached diagram below. Shining - Figure 1 shows a blank according to an embodiment of the invention for 16 yogurt jars. FIG.

- Figure 2 is a top perspective view of the packaging material obtained from the blank of Figure 1;

- Figure 3 shows another example of the invention for 24 yogurt jars on two layers FIG. 3 is a plan view of two vertically staggered blanks according to an embodiment of the invention;

- Figure 4 is a top perspective view of the packaging material obtained from the blank of Figure 3 during assembly; It is a diagram.

- Figure 5 is a perspective view of the packaging material of Figure 4 once manufactured;

- Figure 6 is a schematic side view of a pile of packaging material according to the invention;

- Figure 7 shows the present invention for 24 yogurt jars arranged on three layers. FIG. 7 is a plan view of a blank according to another embodiment;

- Figures 8 and 9 are respectively a schematic side view and a schematic side view of an embodiment of the device according to the invention; FIG.

- Figures 10.11 and 12 show on the one hand the folding of the surface around the mandrel; on the other hand to form a belt (see Figures 10 and 11), and on the other hand to form a yogurt jar FIG. 12 schematically shows the installation of the loop (FIG. 12).

- Figures 13 to 16 are top views of blanks according to another embodiment of the invention; Ru.

- FIG. 17 is a plan view of another embodiment of a blank according to the invention;

- Figure 18 is a schematic top view of a packaging material according to another embodiment of the invention; FIG.

- Figure 19 shows another blank that makes it possible to obtain a packaging material according to the invention. FIG. 3 is a plan view of two embodiments;

- Figures 20 and 21 show another embodiment according to the invention (blank and packaging material) fee).

FIG. 1 shows, for example, a sheet of paper made of recycled paper with a thickness of about 1 mm to about 4 mm. A blank 1 made of a surface type corrugated sheet is shown.

This blank is attached to each other by first fold lines 7.8.9 and 10 parallel to each other. It includes a series of five faces 2.3.4.5 and 6 connected to the .

More precisely, these five planes have a relationship with a straight line parallel to the first fold line. a substantially rectangular shape comprising two end faces 2 and 6 and one central face 4 having a symmetrical shape in relation to each other; It consists of three faces 2.4 and 6 of the shape.

The rectangular surface has two T-shaped parts with central legs designated 11 and 12, respectively. separated in two by two identical surfaces 3 and 5, this central leg is e.g. along the first fold lines 7.8 and 9.10 along the entire side edge of the substantially rectangular surface. It is connected to a nearly rectangular surface.

Each leg 11 and 12 is formed using the blank 1 and having a lateral dimension (width) corresponding to an integral number of containers to be packaged within the capture structure; .

The lateral dimensions corresponding to an integral number of containers are those belonging to the same layer and placed side by side. or the width dimension corresponding to the dimension of the vertical protrusion on one plane of the vertical side of the plurality of containers. It should be understood as

Generally, this dimension corresponds to the width of the two containers.

The two sides 3 and 5 of the T-shape are each on either side of the legs that are directly connected. symmetrically to the length of the container layer above the upper edges 7a, 4a and 6a of surfaces 2.4 and 6; It includes an upper crossbar 13,14 extending over a corresponding dimension.

T-shaped faces 3 and 5 are perpendicular to the first fold lines 7.8.9 and 10, respectively. A rectangular main flap connected to the upper edge of the T-shape by a second fold line 17.18. 15.16.

Each major flap is similar to the other major flap of the top layer container lid. and thus a second layer on the lid of the upper layer of the container. Flaps 15 and 16 are folded by folding along fold lines 17 and 18. This is for forming the lid of the structure formed using the blank l. Ru.

Thus, in the radius or transverse dimension of flaps 15 and 16, 1° and h are II +li is approximately equal to the width of the upper layer, and its length is, for example, Equal to the length of the top layer.

The main flaps 15 and 16 further include abutment portions 19 and 20, respectively. These joints can be fixed to each other, for example by gluing, and thus the packaging material stacked on top of each other so as to provide a nearly flat top surface of the packaging material upon formation of the and the main flap 1 on the opposite side of the second fold line in relation to the main flap. 5 and 16 are located within the extension of the planes.

In a preferred embodiment of the invention, which is more precisely described herein, the main frame Each wrap has a main line parallel to and corresponding to the second fold lines 17 and 18. a third fold line 23.2 opposite the second fold line in relation to the flap; 4 is provided with one secondary flap 21.22 connected to the primary flap. ing.

The secondary flaps 21 and 22 are identical and, for example, have an approximately elongated trapezoidal shape. child These secondary flaps extend over their entire length and advantageously extend over the length of the primary flap. It is tied throughout to the corresponding main flap.

More precisely, these secondary flaps are e.g. between about 4c+o and about 10cm. Height 1. are equal to the lateral length of the main flap and have a third a long base that coincides with the fold line, and a long base that is parallel to and centered in the longitudinal direction. , including short base sides 21a and 22a having a length equal to the width 14 of the leg of the T-shaped surface. I'm reading.

A second flap is likewise provided on each side of this minor base, 21a' on the one hand; outwardly and separated from said short base by a slot 22a'. 3 towards the fold 23 or 24 and the sides 15c, 15d and 21a'' and 22a'' in the extensions of 16c and 16d, respectively. two diagonal hanging ends of 21" and 28" respectively terminating in a vertical section; Contains.

Slots 21a' and 22a' may likewise be mere recesses.

The edges 15d and 16c of the main flaps are extensions of the side edges of the corresponding T-shaped surfaces. , and the opposite edges 15d and 15c are, for example, several millimeters apart. are separated from each other by a distance of

Similarly, the lower edges 13b and 14b of the T-shaped horizontal bar are connected to the substantially rectangular surfaces 2.4 and 6. For example, it is spaced apart by 1 cm from the lower edges 7a, 4a and 6a.

In embodiments more specifically described herein, each secondary flap is Furthermore, each includes one cut section 26 and 27, and this cut section Its lower edge coincides with the third fold lines 23 and 24, and its upper edge has a height of, for example, 2 cm. It is cut out in the shape of a crushed circle with small dimensions.

Note that the lower edges 2b and 6b of the end flaps 2 and 6 are formed by two juxtaposed Width greater than the thickness of the secondary flap1. and secondary flap height 1. from groove hole depth or the height of the recess 21'a and 22'a respectively). including a half-slotted hole opening downward and laterally outward, having a height approximately equal to l/do.

Slots 29.30 are actually 4 (±, identical) when partially stacked. The size of the flap that corresponds to one blank) is designed to interlock with the slot. .

The central surfaces 4 are juxtaposed, i.e. fixed to each other by surface-to-surface adhesive or the like. equal to the width 18 and the height of the slots 29 and 30, which is greater than the thickness of the two secondary flaps; It includes a slot 31 with a new height.

It should be noted that the end surfaces 2.6 and the central surface 4 have respective surfaces on their upper edges 2a, 6a and 4a. at right angles to slots 29, 30 and 31, each having a height equal to approximately 3 CITl, respectively. It includes positioned feet 32, 33 and 34. These feet are analogous to For example, it has an approximately circular shape formed by a rectangle terminating in a semicircle.

The presence of these feet is at the level of the force points of the horizontal bars 13 and 14 of the T-shaped surface. , which means the presence of rounded corners 13' and 14' as shown in Figure 1. ing.

Figure 2 shows the results obtained using the blank of Figure 1 designed for 16 jars 36. A maintenance and capture structure 35 is represented. These 16 jars 36 are stacked These containers constitute two parallel layers 37 and 38 of parallelepipeds are arranged in parallel rows 39, each group consisting of four The upper portions 40 of the loops are connected to each other.

A maintenance and packaging structure 35 surrounds two sides on either side of layers 37 and 38. It includes two identical and parallel sides 41, 42 for 3.44 is directly accessible and open, thus providing visual access to container 36. It is now possible to do so.

The packaging material 35 similarly has an upper surface for covering the lid 46 of the container 36 of the upper layer 38. It also includes 45.

The top surface 45 has a surface oriented outwardly from the structure and parallel to the plane of the sides 41 and 42. , the upper edge 4 of said side surface at right angles to the junction 50 between two rows 39 of containers of the same layer. 8 and 49 are included. .

Each side 41.42 has a T-shape of height approximately equal to the height of the two stacked layers. 1, with reference numbers 13 and 14 as in FIG. a horizontal bar and a downwardly extending central leg 11.1 having a width corresponding to an integral number of containers; Contains 2.

In Figure 2, the problem is two layers consisting of two groups of four yogurt jars. In the example, the length of the top horizontal bar on the side of the T-shape is approximately 4 yogurt jars. The width of the leg on this side is approximately the width of two yogurt jars. be.

As can be seen with reference to FIG. The side edges of 11 and 12 are fitted between two parallel rows 39 of the lower layer of the container. are connected to each other by two lateral walls 52 and 53 arranged so as to Ru.

The walls 52 and 53 may have two ends on their lower edges 52b and 53b. By stacking the two slots 29 and 3o in parts 2 and 6 and possibly in the middle It includes slots 54,55 formed by slots 31 in the central face 4.

These two slots have two secondary flaps 21 with sides glued to each other and It is positioned at right angles to the protruding portion 47 constituted by 22.

Slots 21'a and 22'a are perpendicular to the tops of elongated slots 54 and 55. I'm coming.

The protruding flat portion 47 is obtained by folding the cuts 26 and 27 downward. This cut includes a cutout 56 in the extension of the main flap. be inserted into the cutout and under the main flaps facing each other. It constitutes a small tongue-shaped portion 57 that includes a crown.

Here, one example of the invention corresponding to a structure for 24 yogurt jars on two layers To describe the variants, reference is made to Figures 3.4 and 5.

Basically, in the following, a new blank and a corresponding new packaging material and FIG. We will elaborate on the differences between the The remainder of the statement regarding the first one shall continue to apply. shall be

FIG. 3 shows, as in FIG. 1, first fold lines 107, 108, 10 parallel to each other. A series of five faces 102.103.104.9.110 connected to each other. A blank 101 made of corrugated cardboard sheet including 105 and 106 is shown.

More precisely, these five surfaces are three approximately rectangular surfaces 102, 104 and 1. 06 and two 1-shaped surfaces 103 and 105.

The two end faces 102 and 106 are now fully elongated slots 129 and 130. , whose upper legs 132 and 133 are as in the case of the blank of FIG. and is no longer located toward the ends but laterally inward of said surface.

The central blank 104 has two elongated slots 131, 131' and two legs 1. 34 and 134'.

The slots are arranged to correspond to the flat protrusions, while the feet are already As you can see, it is installed inside the upper collar of the yogurt jar (the cutout part It is arranged to be inserted inside.

Another difference that exists compared to the blank of FIG. 1 is that the rectangular main flap 115 and 116, and this flap 115 is twice wider than flap 116. be.

This arrangement allows the secondary flaps 121 and 122 to be eccentric, which These secondary flaps are glued together during the formation of the packaging material. A protruding flat section perpendicular to the junction between two parallel rows of todgers , and is thus described more precisely below with reference to Figure 6. As shown in Figure 3, it is possible to intertwine packaging materials.

FIG. 4 shows packaging material 135 being formed using blank 101.

The open intermediate structure 160 constituted by a blank is first of all a mandrel, for example. built around the ru.

With the end surfaces glued on top of each other to form walls 152, the structure is then illustrated as follows. The yogurt is transported to the yogurt jar loading station on a conveyor belt. .

The main flaps 115 and 116 are opened and outwardly spaced apart as shown in FIG. ing.

Next, from the top, two groups of 6 yogurt jars each in the bottom layer 1 61 and 162 are introduced.

Each group is formed by two rows of three jars X1, Xi (X3, X, respectively) or, equivalently, three rows of two jars Y, , Y, and Y It is formed by 3.

The jar has walls inserted between rows X1 and X2 on the one hand and between Xl and X4 on the other hand. Thus, each group straddles one wall.

In addition, the tongue-like parts 132, 133 and 134, 134' are attached to the four yogurt jars. simultaneously into the hollowed out portions 163 provided between the groups.

A top layer constructed in the same manner as the first layer is then placed on top of the bottom layer and The rounded tip particularly helps guide the positioning of this second layer in relation to the first layer. This makes it possible to maintain and fix the structure.

In addition, the main flaps 115 and 116 are placed on the lid of the yogurt jar in the upper layer. Glue the secondary flap before folding.

Then, for example, a spacing finger applied in the direction of the slit in the cutout. and each other by means of elongated cutouts 156 that are adjusted to face each other using a The secondary flaps are applied relative to each other by centering in the relationship .

Thus, a protruding surface perpendicular or nearly perpendicular to the plane of the upper surface 145 of the packaging material The packaging material 135 of FIG. 5 is obtained which presents a flat portion 147.

This protruding flat portion corresponds to slots 154, 154' and 154' in side walls 152 and 153. 155, 155' and perpendicular to the joining slit between rows Y and Y2. It is placed.

Thus, with such an arrangement, the cells stacked on top of each other as shown in FIG. It becomes possible to insert two packaging materials, and the protruding portion 1 of the lower packaging material 170 71 will fit into the slot 154 of the upper wrapping material 135.

The protruding portion of the packaging material 135' is the same as the protruding portion of the previous packaging material 135 or 170. can be placed indiscriminately on either side of the packaging material in relation to It can be seen that

Thus, the present invention may be used in its embodiments as more specifically described herein. to easily palletize packaging materials and lock them on top of each other at the same time. This makes it possible to make the assembly particularly stable.

The weight of the upper packaging material is taken up by the T-shaped sides and is not piled up. Excellent resistance to vertical compression of packed packaging materials as well as preservation of yogurt jars. protection is guaranteed.

FIG. 7 shows an embodiment of the present invention having the particular feature of allowing stacking of three layers of containers. Another embodiment of the blank 201 according to the present invention is shown.

For this purpose, the blank 201 is, for example, a surface with a height corresponding to the height of the two container layers. It has T-shaped cross bars 213, 214 for 203 and 205. By the way In the embodiment described above, a horizontal bar of a height corresponding to only one layer was shown.

Note that the remaining portion of the blank 201 is the same as the blank described with reference to FIG. It is the same.

An apparatus according to one embodiment of the invention will now be described.

8 and 9 are for supplying cut sheets or blanks 304, which are known per se. A device 301 for packaging a pack 302 of yogurt jars including a magazine 303 is shown. are doing.

Here again, in a manner known per se, from a parallelepiped horizontal mandrel 309 a distance At the departure table 3 up to station 308 where the blank is placed from below. 07, stack the cut sheets to be pressed flat one by one by the means 306. A suction or vacuum capture device 305 is provided for removal.

Glue is applied to the lower surface 311 of the end surface during loading into the station 308. A glue ejector 310 is provided for spraying (see FIG. 10).

The upper surface 312 of the secondary flap is, for example, later glued.

The intermediate structure for accommodating the packaging material is then moved to station 308 in the following manner. Made in

The side surface 314 of the mandrel 309 is exposed by means 313 such as a pneumatic bushing. Fold the T-shaped surface (schematically shown in dashed lines in FIG. 11). Here this ma The fold line 309 aligns precisely with the first fold line separating the central plane from the T-shaped plane. It has a lower layer 315 for the purpose of

Such folding allows very precise positioning.

Then, by bringing the cut paper close to the mandrel, the flat bottom of the mandrel is Press the main face 316 of the blank against the face 317 and press the end face 318.318' are folded on top of each other, so that their end surfaces are to be glued together. Ru.

Note that the device 301 has a size larger than that of the belt 322 configured by folding the surface. The height of the legs of the T-shaped faces placed at the four corners of a parallelepiped with slightly smaller dimensions. Regularly spaced teeth, such as four parallel teeth 321 with a height equal to an alternating elevator chain 319 with a series of shape retainers 320 There is.

The device includes horizontal sections of the intermediate structure thus formed on the vertical sides 323 of the chain. Contains a means of pressing in the opposite direction.

Therefore, the belt 322 can be fitted into a horizontally disposed shape retainer. become.

The alternating transfer to all subsequent stations of the packaging process is This is done by rotating the large gear 324 by 90 degrees.

Parallel to station 308, for example by a belt conveyor, first the lower part is The layer method is provided with means 325 for replenishing the pack 302 of yogurt jars in the upper layer. has been done.

Pre-folding of the main surface outwards and pre-folding of the protruding parts to open the intermediate structure means are provided at the station 326, for example by a spacing cylinder. .

In particular, the jar pack automatic introduction means 327 shown schematically in FIG. is the filling of the lower part with the intermediate structure and the filling of the upper part at the next station. Equipped for ten.

The device 301 further includes first folding the top flap over the lid of the top layer and then filling the top layer. means 328 for folding the protruding portions of the packaging material at the back against each other; A glue injector is included for gluing the protrusions.

These protrusions are pressed against each other at 329, forming two opposed protrusions. Prior to applying pressure to the protruding portion, the orifice 330 of the protruding flat portion is The act of aligning these parts by means of retractable centering means, etc. work will be done.

Once the packaging materials 331 are completed, they can be removed by hand or by the robot 332. A predetermined structure is used to directly constitute a pallet 333 by being mechanically grasped by a guided to the position of

Figures 13-16 show that once lifted to allow capture of packaging material, Lack of protrusions other than those obtained by peeling off the pre-cut portion at the point 2 represents another embodiment of the blank according to the invention with a flat lid;

Figures 13.14.15 and 16 each represent a series of five planes as described above, i.e. three approximately rectangular surfaces 405, 406 and 407 and two T-shaped surfaces 408 and 407; and 409 in the same manner, and these planes are parallel to each other by a first fold line 410. blanks 401, 402, 403 and 404 made of paperboard, connected to each other It shows.

The two sides of the T-shaped blank 401 in FIG. 13 are each perpendicular to the first fold line. to the length of the upper horizontal bars of the T-shape, to which they are connected by straight fold lines 414. a rectangular main portion 41 with equal length and a width equal to half the width of the central plane 406; 3 main flaps 411 and 412.

Note that each of the flaps 411 and 412 has a fold line 41 of the corresponding main flap. tied to the side opposite to 3, centered in relation to this side, and furthermore Another secondary flang, which is integrated, e.g. by gluing, in the formation of the packaging material. One secondary flap 415 is included to form a handle perpendicular to the flap. .

The flap 412 further includes two external ears 416 on either side of the secondary flap 415. , and these ears are integrated with another one, e.g. by gluing. consists of two end extensions for interlocking with two flaps 413. .

The two sides of the T-shaped blank 402 of FIG. 14 are each tied to its upper edge. one side is the main flap placed to cover the entire lid of the container in the upper layer. One flap 417 with a handle 419 and an adhesive tongue on the other. It includes a narrow main flap 418 forming a shaped portion.

For example, the handles 419 are each pre-cut so as to be pulled away from the plane of the lid. Includes two end portions 422 attached oppositely to the upper edge of the T-shaped crossbar. For example, in the center of an oval shape, the capturing tongue 421 crosses laterally from one side to the other. configured by orifice 420.

FIG. 15 shows a variant of the embodiment of FIG. 14, in which only one One main flap 423 is provided. This main flap is another one of the T-shaped flaps. Another fold line to serve as a gluing tongue to the top part of the book crossbar. an end tongue attached to the edge opposite the edge of fold line 414 by 424; It has minutes.

FIG. 16 shows two main flaps 425 with a width greater than half of the central rectangular surface 406. (which allows for coverage of the two flaps when folded on top of each other) Another variant of the blank 404 is shown. In addition, two flaps constituted by two oval-shaped orifices, each provided on the top of the One handle device for removing the longitudinal center strip of 426, which advantageously has an apex and a bottom at the level of the oval hole. A fold line 427 that almost forms a triangle whose sides are constituted by the fold line 414 is It is provided.

FIG. 17 is again shown connected together by first fold lines 434 parallel to each other. A cardboard box containing a series of five faces 429, 430, 431, 432 and 433 A blank 428 made of a sheet of plastic is shown.

The five planes are parallel to the first fold line 434 and are symmetrical to the blank! 11435 (represented by the dashed line in Figure 17). Three generally rectangular faces 429, 431, and 433 including end faces 429 and 433 and a central plane 432.

The rectangular surface again has an upper lateral surface extending over a dimension corresponding to the length of the container layer. Two identical faces 430 and 432 of the T-shape including the rod and the central leg The total height of T corresponds to the height of an integer number of containers.

In FIG. 17, surfaces 430 and 432 are either completely devoid of flaps or can also be reduced, for example by a quarter of the width of the structure, as represented in FIG. A rectangular flap 436 (dashed line in the figure) with a length equal to the length of the horizontal bar of the T-shape with a width of Contains. Advantageously, for example, a T-shaped lateral straddle is formed laterally on the packaging material. A handle 437 is formed by a reinforced paper tongue glued onto the rod. Equipped.

19-21 show other embodiments of blanks and packaging materials according to the invention. expressed.

FIG. 19 shows a series of three planes, a rectangular central plane 440, and the center of this central plane. A first fold line that is symmetrical and parallel with respect to the straight line 444 two identical lateral surfaces 44 in the form of a T-shape with the ends of the legs each connected; A blank 439 containing numbers 1 and 442 is shown.

Each leg 445 is connected by a second fold line perpendicular to the first fold line. on both sides of the legs so that the entirety of the link 439 is substantially incorporated into one rectangle. A substantially rectangular shaped plate having a width corresponding to the width of the wings 447 of the T-shaped horizontal bar. Connected to two side flaps 446. These lateral flaps Like the end faces of the blanks previously described, it includes an extra protruding portion 448.

These side flaps are designed to fit between two parallel rows of the bottom layer of the container. the ends 4 of which are placed opposite each other during assembly of the structure; 49 so that they can be fixed on top of each other, for example by gluing.

In other embodiments, the blank 439 is attached to the edge of the T-shaped crossbar. A rectangular flap 450 for at least partially covering the container lid of the upper layer is included therein. and/or by a second fold line perpendicular to the first fold line on either side of the central plane 440. a rectangular secondary flap connected to said central plane and having a width equal to the width of the T-shaped branch; 451 (indicated by a thin line in the figure).

Figures 20 and 21 show a T-shape with flaps 457 and 458 of the type described above. See FIG. 19, including two side surfaces 455 and 456 and a rectangular central surface 454. Blank 45 according to another embodiment of the same type as described in 2 and a packaging material 453 obtained with such a blank.

The blank 452 further includes a rectangular upper horizontal bar 461 having a length equal to the length of the horizontal bar. includes end flaps 459 tied together at edges 460 of the T-shaped faces of. centre The wrap 459 has a rectangular cutout 463 across the width of the upper layer and is foldable. Via line 464, another side 4 of the T-shape, itself without flaps. 56 is connected to a rectangular tongue 465 for fixation with an edge 466 at the upper end.

RG, 1 C two

Claims (36)

[Claims] 1. at least two stacks of containers (36) connected to each other in the upper part of each layer; Fabricating structures (35, 135) to maintain and capture the superimposed layers (37, 38) Blanks made of sheets of paperboard or corrugated poles for construction (semi-finished products 1, 101) , 201), - connected to each other by first fold lines parallel to each other; 5 consecutive faces (2, 3, 4, 5, 6; 102, 103, 104, 105, 1 06), that is, three approximately rectangular faces (2, 4) including two end faces and one central face. , 6; 102, 104, 106) and these approximately rectangular surfaces are separated from each other. one central leg, each connected to an adjacent substantially rectangular surface by said first fold line; It contains the same faces (3, 5; 103, 105) of two T-shaped parts, and this The leg has lateral dimensions corresponding to an integral number of containers, and the legs are symmetrically arranged on each side of the leg. one top on a lateral dimension corresponding to the length of one layer above the top edge of a generally rectangular surface; A blank characterized by elongated sections (13, 14). 2. Major flaps (15, 16; 115, 116) on at least one T-shaped face a second fold perpendicular to the first fold line. It is connected to the upper edge of the T-shaped horizontal bar by a line and covers the lid of the container in the upper layer. 2. Blank according to claim 1, characterized in that it is intended for purposes such as: 3. The main flap is for covering the entire lid of the upper layer. The blank according to claim 2, wherein 4. Claim characterized in that each T-shaped flap comprises a main flap. Blank according to range 2. 5. One of the main flaps is arranged above the lid of the upper layer of the container at the second fold line. structure when said flap or flaps are folded by folding along Another main part of the lid of the container in the upper layer is to form the lid (45, 145). be intended to cover parts that are complementary in relation to those of the flap; At least one of the main flaps has a structure formed around the layer. The terminal part that joins the main flap of the other side oppositely at the point 19, 20). Nku. 6. The joining end portion faces a second fold line on the opposite side of the second fold line. a second flap connected to said main flap by a third fold line parallel to said main flap; (21, 22; 121, 122), and the end surface (2, 6; 102, 106) has at least one elongated groove on its lower edge; holes (129, 130) or portions of elongated slots with a width greater than half-slot holes ( 29, 30), and the central plane (4, 104) has at least one thin Long slots (31; 131, 131') are included, the width and length of these slots are: Slightly larger than the width and height of the cross section of the two side-by-side secondary flaps, and the width of the slot The portion or slot is parallel to and from this third fold line of the plane. characterized by being positioned at a distance corresponding to an integer number of containers The blank according to any one of claims 4 and 5, wherein: 7. Each secondary flap has a cut rejoining edge with a third fold line and a It has one cut (26, 27) presenting a free edge in the shape of a rounded circle. , so that when the cut part is pressed, an elongated central hollowed out part is formed. 7. Blank according to claim 6, characterized in that: 8. Two ear-shaped flaps on only one side for interlocking with the other main flap. Claims characterized in that they are provided with a joint termination portion consisting of an end extension of Blank as described in box 4. 9. Only one of the T-shaped faces has a major flap, and the end of the joint A tongue-like part for the part to interlock with the upper part of the other side of the T-shape without a flap. The blank according to claims 1, 2 and 3, characterized in that it is a minute. . 10. One of the main flaps, called the first main flap, The other main flap is arranged to cover the entire lid of the vessel, and the other main flap is arranged to cover the entire lid of the container. characterized by forming only a tongue-like part for adhesion with the main flap of , a blank according to claim 3. 11. Upper collar by presenting a central cutout at the joint between the four containers. A layer is formed by a group of containers connected to each other via , each approximately rectangular face has a structure formed around said layer at its upper edge. having a shape arranged to be inserted into the cutout at a right angle to said slot; at least one foot (32, 33, 34; 132, 133, 134, 134'), A blank according to any one of claims 1 to 10. 12. Each end face has a foot (132, 133) at its upper edge and a foot (132, 133) at its lower edge. contains slots (129, 130), and the central surface has two holes on its upper edge. Two feet (134, 134') also have two slots (31, 31') on their lower edges. 12. Blank according to claim 11, characterized in that it contains: 13. Using the blank according to any one of claims 1 to 11, arranged in parallel rows connected in groups to each other in the upper part of each layer. a stacked parallelepiped each consisting of the same container of two croup placed A method of packaging at least two layers of the body, - by a blank (1) wrapped over itself around one mandrel; forming an intermediate structure consisting of - lateral walls spacing the T-shaped faces ( 52, 53) by fixing the two end faces (2, 6) on top of each other. and - if necessary, outwardly the main flaps (15, 16) of said T-shaped surface; to separate, - from above said intermediate structure stiffened by transverse walls, on said walls (52, 53); 2 of the lower layer by respectively fitting two adjacent rows of said group. introducing a container of two croup; - on top of the lower genus part and directly to this part, the upper tier part or parts; placing, and - if necessary, the top layer of container lids fixed against each other, facing each other; folding the main flap(s) (15, 16) of the two T-shaped surfaces in the state A packaging method characterized by: 14. Containers of the same group exhibit a central cutout at the joint between the four containers are connected to each other through their upper collars, and the lateral walls have foot-like sections. - At the same time as the introduction of the container croup of the lower layer, the corresponding hollow Inserting foot-like parts (32, 33, 34) with approximately rectangular surfaces into the opening parts; The packaging method according to claim 13, characterized by: 15. Claims 13 and 14 using blanks with secondary flaps In the packaging method according to any one of the above, the secondary flap is used to cover the upper layer. A wrapper characterized by forming a flat part projecting perpendicularly to the plane of the lid. How to wear it. 16. After cuts are made in the secondary flaps placed opposite each other, the fixed Said cover for precise adjustment of the two secondary flaps facing each other during anterior or fixation. 16. A method according to claim 15, characterized in that the tool is introduced into the cut. 17. Yogurt according to the method according to any one of claims 13 to 16. Application to jars. 18. Using the blank according to any one of claims 1 to 12, in parallel rows connected in groups to each other in the upper part of each layer. 6 stacked parallel planes each consisting of two groups of identical containers arranged In a device for packaging at least two layers of the body, - under a horizontal mandrel of rectangular cross section, at a distance d from the lower surface of this mandrel; means for guiding the blanks flat one by one on the rollers, - said mandrel having a rectangular cross section with a width equal to the width of said central plane; - means for gluing the joint termination parts and end faces of said blank; - the lower part of the mandrel; Apply the center plane onto the face and wrap the -ream face around the mandrel and connect the end faces to each other. means for gluing on - a man attached to a continuously moving elevator chain; A structure consisting of interconnected surfaces is placed on a horizontal shaper placed in the shaft of the drill. means for introducing the lower part of the intermediate structure formed by - a plurality of successive shape retainers; said elevator chain, comprising - a pre-crushing hand of the main face and the protruding planar part of the face; stages, - means for filling container groups into said intermediate structure, and - thus forming Applying the primary and/or secondary flaps to form a lid on a packaged packaging material Step, including; A packaging device characterized by: 19. The blank includes a secondary flap, and the lid forming means includes a second surface. the protruding flat surfaces of said intermediate structure against each other for fixing them on top of each other and closing the packaging material. Claim 18, characterized in that means for applying a flat portion are included. The device described. 20. Two secondary flaps of the same intermediate structure are glued together before being glued to each other. claim further comprising means for face-to-face coordination. Apparatus according to scope 19. 21. Automatically remove the protruding flat parts of the formed packaging material to place it directly on the pallet. Claim 19, further comprising means for dynamically capturing. 21. The device according to paragraph 20. 22. arranged in parallel rows (39) and clicked against each other in the upper part of each of said layers; At least two of the stacked parallelepipeds of the same container tied per loop In a structure (35, 135) for maintaining and capturing two layers (37, 38), Made of sheet material of paperboard or corrugated poles, two opposing sides of these layers two identical parallel surfaces (41, 42) for enclosing and the lid of the upper layer of the container. a structure comprising an upper surface (45) for covering at least a portion of the - each of said sides comprises a top horizontal bar having a length approximately equal to the length of the top layer; approximately equal to the height of said layer, including a downwardly extending central leg of width corresponding to the container; It has a T-shaped shape in height, with side edges on two side legs facing each other. , mutually by two lateral walls (52, 53) perpendicular to the plane of said central leg. said lateral walls fit between two parallel rows of the bottom layer of the container. - and the lid of the upper layer is partially or completely have a top surface that is divided into two parts or lacks a top surface in order to cover the That, (35, 135). 23. Claim 22, characterized in that it includes a tailored handle. Structure described. 24. The claim is characterized in that it includes a lower surface connecting the lower ends of the central legs. The structure according to any one of Clauses 22 and 23. 25. The lower shape includes two lateral flaps perpendicular to the lower surface. 25. Structure according to claim 24, characterized in that: 26. The top surface has a surface facing outward from the structure and parallel to and identical to the plane of the side surfaces. from the upper edge of said side, perpendicular to the joint between the two rows of containers in the same layer. includes a projecting planar portion (47) located at a distance; and in the lateral walls, on their lower edges facing out of the structure, located at right angles to the slots. A protruding surface with a cross section identical to that of the protruding flat part of the upper surface of this structure includes at least one elongated slot (54, 55) for accommodating a flat portion; The slots are perpendicular to the joint between two rows of containers on the same layer. characterized in that it is located away from the lower edge of the leg of the side wall in the form of a The structure according to scope 22. 27. T-shaped tops of the two side walls to form a top surface and a protruding flat portion Each of the crosspieces has a fold line, called a second fold line, attached to the upper edge of the upper crosspiece. It is provided with connected main flaps (21, 22; 121, 122), Each major flap is arranged in a plane perpendicular or nearly perpendicular to the plane of the crosspiece. Folded around the outer upper edge on corresponding sides, each major flap is Complementary in relation to that of the other main flap of the upper layer container lid The second fold line is for covering the second fold line, and the second fold line is connected to said main flap by a third fold line parallel to the second fold line; folded out of the structure perpendicularly in relation to the plane of said main flap and concealed; the front with the secondary flaps of the lateral primary flaps secured opposite it. terminating by a second flap forming said protruding flat portion perpendicular to said plane; The maintenance and acquisition arrangement according to claim 26, characterized in that Construction. 28. The protruding flat part is eccentric in relation to the cross section parallel to the side surface. Yes, the width of the major surface of one side is approximately the width of the major surface of the other opposite side. approximately twice as large, and that each wall has two legs on its upper edge or on its lower edge. Claim 26 or 2, characterized in that the top includes two slots. Maintenance structure according to paragraph 7. 29. Please note that the protruding flat portion includes a centering cutout (56). The maintenance structure according to any one of claims 26 to 29, characterized by: . 30. Two parallel lateral walls facing two side legs by a first fold line and on the other hand two opposite legs on the side. by a first small plate connected to the side edges of the and on the other hand glued on top of each other. Each of these parallel lateral walls is constituted by two semi-small plates with opposite ends. According to any one of claims 22 to 29, Maintenance structure as described. 31. prevents lateral movement of the top layer or layers in a direction parallel to the sidewalls; Claims 22 to 30, characterized in that they include maintenance means for maintaining the Maintenance structure according to any one of paragraphs. 32. Containers in the same group of layers have a central cutout at the joint between the four containers. are connected to each other through their upper collars, and each small plate The short plate and the half plate have a structure on their upper edge that extends upwardly over a certain height and has a structure on their upper edge. arranged to be inserted into the cutout once the structure has been formed around said layer; at least one foot (32, 33, 34; 132, 133, 13 4, 134') according to claims 22 to 31. The maintenance structure according to any one of the items. 33. at least two stacks of containers connected to each other in the upper part of each layer Sheets of paperboard or corrugated poles for producing structures for retaining and trapping layers In the blank made of by the plane of the series, i.e. the central plane of the rectangle and the edges of its legs on both sides of this central plane. is connected to this central plane, and its upper crosspiece corresponds to the width of one layer. two lateral planes extending across the dimensions and a first plane perpendicular to the first fold line; at least two lateral flaps connected to said surface by two fold lines; These side flaps are fitted between two parallel rows of the bottom layer of the container. A blank characterized in that it is arranged so as to 34. The lateral blank is generally rectangular and has a T-shaped surface due to the second fold line. Consists of four secondary flaps connected on each side, two on each leg of the 34. Blank according to claim 33, characterized in that it is 35. The central plane is connected on both sides of the central flap by the second fold line. Claim 32, characterized in that it comprises two secondary flaps that Blank listed. 36. at least one T-shaped surface with a third fold line parallel to the first fold line. connected to the upper edge of the T-shaped horizontal bar and at least partially covers the lid of the container in the upper layer. Claim No. 1 characterized in that it has a main flap adapted to The blank according to any one of Items 33 to 35.