RU2387588C2 - Container - Google Patents

Abstract

FIELD: packing industry. ^ SUBSTANCE: container consists of bottom part and cover part. At the same time cover part comprises rectangular cover section joined along three edges with according ends, and along fourth edge it is connected to bottom part with the possibility of rotation. At the same time bottom part comprises a rectangular bottom section and four sections of side wall coupled with according edges of bottom part. Besides one of sections of bottom part side wall is arranged with the possibility of rotation around edge of bottom section, which joins this section of side wall to bottom section, and a connector is provided between two neighbouring sections of side wall. At the same time connector protrudes inside bottom part of container when container is in condition, in which it has approximately box-like shape. Invention also relates to stock intended for manufacturing of above specified conveyor. ^ EFFECT: container has simple design and provides for reliable storage of food products in it. ^ 22 cl, 6 dwg

Description

The present invention relates to a container made in accordance with the restrictive part of claim 1 of the claims.

It is known that such containers are especially used in fast food restaurants. They serve for the placement of food products, such as sandwiches or hamburgers. After placing a sandwich or hamburger on the bottom of the container, its lid is closed and the closed container is passed to the buyer.

Often, buyers do not immediately eat food purchased at fast food restaurants, but first move them to another place or eat along the way. Therefore, such containers must be made not only with the possibility of quick and convenient filling, but also provide reliable (especially without smudges) movement of food products and the subsequent convenience of their consumption.

The present invention is the creation of a container that meets all these requirements, using the simplest possible structural solutions.

This problem is solved by creating a container containing the characteristics of claim 1 of the claims.

The present invention is characterized in that at least one of the sections of the side wall of the bottom part is made to rotate around the edge of the bottom section connecting this section of the side wall with the bottom section. More specifically, this portion of the side wall is rotatable from an upward bend position, in which the bottom is box-shaped and closed to move the food product to the bend position outward or downward. In the downward bend position, in which the portion of the side wall can be particularly aligned with the bottom, it is possible to very easily place the food in or out of the bottom, since in this position the bottom is accessible not only from above in the vertical direction, but also from the side thanks to the side wall bent down.

Even better, if two, three or four sections of the side wall are rotatable around the edge of the bottom section connecting it to the corresponding section of the side wall. On the one hand, this provides additional access opportunities inside the bottom. On the other hand, each outwardly bent portion of the side wall in this position can be aligned with the bottom portion or bent at a small angle with respect to the bottom portion. In this case, the bottom portion and outwardly curved sections of the side wall form essentially a tray for the food product, the surface of which is the bottom portion, together with the surfaces of the outwardly curved sections of the side wall.

This “tray” has the largest surface if the entire bottom is made to fold into a flat position, in which in particular all sections of the side wall of the bottom are made to rotate or fold relative to the bottom. The larger the tray formed, the more efficient it can prevent parts of the food product, such as sauces and the like, from falling out or flowing out of the container.

Between two adjacent sections of the side wall, a connector is preferably formed. Such a connector has various advantages. Firstly, it can serve to transmit the displacement of the side wall portion when turning inward or outward to the adjacent side wall portion, whereby it participates in the displacement. Secondly, the connectors serve at least partially to seal the contact edges between two adjacent sections of the side wall in the folded position of the bottom to prevent parts of the food product from falling out or leaking out. Thirdly, the connectors when the bottom part is in the unfolded position in the form of a tray serve to increase the surface of this tray. In particular, the connector can be made on each corner, on which there are two sections of the side wall of the bottom part adjacent to each other.

The connector preferably has a fold line along the bisector of the angle between two adjacent portions of the side wall. This helps to fold the connector inward when turning a portion of the side wall relative to the bottom.

It is especially advisable that the connector protrudes into the bottom in an approximately box-like position. In this way, the container may be better closed since the connector does not protrude out of the bottom. In addition, the connector inside the bottom can perform other useful tasks.

In a preferred embodiment, on the outer edge of the connector, i.e. there is a recess on the edge of the connector facing away from the bottom portion. When the corresponding sections of the side wall are turned upward relative to the bottom, the connector protrudes into the bottom, forming a recess. This recess may serve to secure a product in the container, such as food.

More specifically, the recess may be made approximately in the middle of the outer edge of the connector, preferably symmetrically with respect to the bisector of the angle between two adjacent portions of the side wall. Due to this, the two parts of the recess are located one on the other, on the sides opposite from the bisector, when the connector protrudes into the bottom, so that together they form an enlarged recess.

Also in a preferred embodiment of the invention, when the side wall portions are turned upward relative to the bottom portion, the recess is located at about half the height of the side wall portions relative to the bottom portion. The invention provides a particular advantage when securing in such a recess a heated or even hot food product that is held at a certain distance from the bottom portion. As a result, an air gap remains between the food product and the bottom section, which serves to insulate the food product from the bottom section. Thus, the food product remains hot longer, and it is more convenient for the user to use the container.

In a preferred embodiment, the dimensions of the bottom portion approximately correspond to the dimensions of the lid portion, or at least partially slightly inferior to them. Due to this, the container can be especially easily brought into the closed position in which the lid part covers the bottom part.

In a preferred embodiment, the three ends of the lid part are attached to each other, so that each of them is approximately perpendicular to the lid portion. This makes the lid part particularly resistant and gives it a box shape in which the lid part can overlap the bottom part.

To obtain the most stable lid part, two corresponding adjacent ends of the lid part are preferably glued to each other. Other types of compounds are possible.

In yet another improved embodiment of the invention, at least one end of the lid part has a fold line along the bisector of the angle between the edges connecting this end to the lid portion and the edge connecting this end to an adjacent end. Due to this, the corresponding ends can be bent or rotated to a position in which they lie on the plane of the lid portion, as a result of which these ends occupy a smaller volume.

In a more preferred embodiment, both opposite ends of the lid part have a fold line along the bisector of the angle between the edge connecting the corresponding end to the lid portion and the edge connecting the corresponding end to the adjacent end. Due to this, two opposite ends have the ability to rotate into a position in which they lie on the plane of the roof section, and they transmit this movement through the fold line of the middle end, so that it also turns out to be bent and laid on the plane of the roof section. Thus, the lid portion as a whole is configured to fold into a flat position in which all its components are flat and lie on top of each other. This, in turn, gives the advantage that with the bottom part, made with the possibility of flat folding, all the material for the container has the ability to fold in a flat position, in which a lot of containers can be compactly stacked in the stack. The resulting logistics-related benefits cannot be overestimated.

Fold lines can also be formed by punching the material at an appropriate location in the container. This possibility is technically easy to implement, i.e. you can pre-set the passage of the fold line and simplify bending along it due to weakening of the material.

To facilitate the movement of the product in the container, the container is preferably folded into a closed position in which the bottom part takes a box-like position and the lid part overlaps the bottom part. The advantage of overlapping the lid part of the bottom part is to prevent the pivoting portions of the side wall of the bottom part from turning outward, so that the bottom part is guaranteed to remain in a box-like position. As a result, the product in the container can be moved without the risk of unintentionally folding the container.

Even better, when the ends of the lid part in the closed position of the container are located outside approximately parallel to the plane of the side wall of the box-shaped bottom part. In this case, the ends double the corresponding side walls of the bottom, and an air gap may remain inside the double walls. Both of these factors significantly improve the thermal insulation of the container.

In a further preferred construction, one portion of the side wall is connected at the first edge to the lid portion, and at the opposite edge to the bottom portion. Thus, the axis around which the lid part can rotate relative to the bottom part is located on the upper edge of the side wall of the box-shaped bottom part. From this position, the lid part can be turned particularly easily so that it overlaps the bottom part.

In another preferred embodiment, at least one end of the lid is equipped with a gripping recess, which allows the user to grab the bottom in the closed position of the container with at least one finger, so that this part can be held when the lid is rotated upward relative to the bottom.

A particular advantage is provided by the gripping recess at the end of the end, which is located next to the edge connecting the lid part to the bottom part. In this case, the gripping recess is located as close as possible to the pivot axis connecting the lid and bottom parts, which gives a particular advantage when using the container, especially when turning the lid part up.

An aesthetically acceptable gripping recess is technically simple to form by rounding the corner of the corresponding end face.

Another improvement of the proposed container is that at least one side wall of the bottom part contains a locking tab, which is configured to be inserted into the locking hole or locking pocket on the lid part in the closed position of the container. The engagement of the locking tongue with the locking hole or the locking pocket limits the freedom of movement of the lid part relative to the bottom part in the closed position of the container, so that the container holds the closed position more reliably.

The container may also be formed from a single piece. Compared to the possible option, in which the lid part and the bottom part are made separately, the whole piece is easier and faster to produce. The blank in this case can be made, for example, with a stamping tool.

Production can also be simplified by manufacturing a container from a single symmetrical workpiece. As a rule, a huge number of different materials are suitable as a material for a container, i.e. not only bendable materials. However, to simplify the use of the container and its manufacture, bendable materials such as plastic, paper, cardboard or other cellulosic materials are preferred.

The following describes in more detail two preferred options for the proposed container with reference to the accompanying drawings, in which:

figure 1 depicts a blank for the proposed container;

figure 2 depicts a perspective view of a variant of the proposed container with bent side walls of the bottom;

figure 3 depicts a perspective view of the container shown in figure 2, with the side walls of the bottom part turned upward;

figure 4 depicts a container in section along the line IV-IV, shown in figure 3;

FIG. 5 is a perspective view of the container shown in FIGS. 2 and 3 in the closed position; and

Fig.6 depicts a perspective view of a second variant of the proposed container.

Similar parts in all the drawings have the same designation.

Figure 1 presents a top view of a flat preform 1 for a preferred embodiment of the container 2. The preform is preferably made from a bendable material, such as paper or cardboard. The workpiece can, for example, be stamped from a larger piece of the specified material.

At its smallest section, the blank 1 shown in FIG. 1 forms a pivoting edge 3. In the plan view shown in FIG. 1, the blank part to the left of the edge 3 is the lid part 4 of the container 2, and the blank part to the right of the edge 3 forms bottom part 5. As shown in the drawing, in this embodiment, the container 2 is made in the form of a single part, in which part 4 and part 5 is part of the integral blank 1.

Part 4 in the center contains a rectangular, in this case, especially square, lid portion 6, which later forms the upper side or lid portion of the container 2 in its closed position. Section 6 is pivotally connected to part 5 by means of an edge 3, which is one of the side edges of section 6. Edge 3 here can act as a pivot axis. At three other edges 7, 8, 9, section 6 is connected to the ends 10, 11, 12, namely, to two opposite side ends 10, 12 and a middle end 11 located exactly opposite the edge 3. The ends 10, 12 are equipped with adhesive protrusions 13, 14, separated by cuts 15, 16 from the end face 11.

Part 5 has a central bottom portion 17, which also has a rectangular, in this case, especially a square shape. Along its four edges 18, 19, 20, 21, section 17 is connected to the corresponding sections 22, 23, 24, 25 of the side wall, so that section 17 and sections 22, 23, 24, 25 together form a cross.

A connector 26 is formed between each two adjacent sections of the side wall. Each connector 26 has a substantially triangular shape with two edges 27, 28 of the side wall in contact with the adjacent section 22, 23, 24, 25, and the outer edge 29 facing to the side from section 17. In the center of the edge 29, a recess 30 is made. The recess 30, in this case almost semicircular, is located symmetrically with respect to two adjacent sections 22, 23, 24, 25.

In the center of the edges 27, 29, local cuts 31, 32 can be made, respectively, to facilitate the bending of the connectors 26 along the edges 27, 28. In addition, each connector 26 along the bisector of the angle between adjacent sections 22, 23, 24, 25 has a predetermined line 33 fold, the direction of which in particular can be predefined by perforation.

Each of the sections 22, 23, 24, 25 in the depicted embodiment is made with the possibility of rotation around the connecting edge 18, 19, 20, 21 relative to section 17. The section 25 closest to section 4 is adjacent to section 17 through edge 21, and the edge of section 25, opposite the edge 21, is the edge 3, which connects part 4 with the possibility of rotation with part 5.

As can be seen from the drawing, a step 34 is made in the region of the edge 3 on both sides of the workpiece. The presence of the step 34, made inclined in this case, leads to the fact that the longitudinal size of the section 17 is slightly smaller than the corresponding size of the section 6. This later contributes to the reception of the part 5 by part 4 in the closed position of the container 2.

In Fig.2 shows a perspective view of the proposed container 2, made of the workpiece shown in Fig.1. In the position shown in the drawing, the two ends 10, 12 of part 4 were turned upward 90 ° relative to section 6. Next, the protrusions 13, 14 were turned 90 ° in the direction of section 6 parallel to the edge 8 of section 6. Then, the end 11 was turned upward, so that it became perpendicular to both ends 10, 12 and section 6. Three ends 10, 11, 12 are firmly fastened to each other by gluing the protrusions 13, 14 with the end face 10, due to which part 4 retains the position shown in figure 2, in which each end face 10, 11, 12 is oriented perpendicular to section 6.

As can be seen from the drawing, at each end 10, 12 a rounded 35 large radius of curvature. Rounding 35 is made at the end of the ends 10, 12, which is located closest to the edge 3 connecting part 4 to part 5. Rounding 35 has a radius of curvature exactly corresponding to the height of end face 10, 12 relative to section 6. Rounding 35 serves to create a gripping recess on part 4.

In figure 2, part 5 is shown in a flat position similar to that shown in figure 1. When part 5 is in this “tray position”, section 17, sections 22, 23, 24, 25 and connectors 26 are located in a common plane, in which there is also a lid section. Due to the flat arrangement, the components of part 5, so to speak, form a “tray”, i.e. flat surface.

Figure 3 shows the container 2, already shown in figure 2. In contrast to FIG. 2, FIG. 3 depicts a state in which sections 22, 23, 24 of the bottom are rotated or bent upward around respective edges 18, 19, 20 with respect to section 17, so that each of them is perpendicular to section 17. For this, two opposite lateral sections 22, 24 (FIG. 2) may first be rotated upward 90 ° from the “tray position”. Then section 23 is also rotated upward 90 °. During this movement, two connectors 26 located adjacent to section 23 are folded so that their lines 33 are directed inward to part 5. Immediately after turning section 23 90 ° relative to section 17, the two halves of each connector 26 defined by line 33 lie in one plane on top of each other, as a result of which section 23 does not further turn. In the position of the container 2 shown in FIG. 3, the portion 6, the portion 17 and the intermediate portion 25 are located in a common plane.

Figure 4 shows a vertical section of the proposed container 2 along the line IV-IV, shown in figure 3. As can be seen from the drawing, sections 22, 24 are rotated respectively around the edges 18 and 20 relative to section 17 so that the sections 22, 24 are located almost perpendicular to it. In this position, part 5 takes an approximately box-like position, with the bottom of this box being formed by section 17, and the side walls by sections 22, 24.

Connectors 26 obliquely protrude inside the box-shaped portion 5. Since the recesses 30 are made in the middle of the outer edges 29 of the connectors, the recess 30 is located at about half the height of the sections 22, 24 in the box position of part 5.

Between the two recesses 30 is a product 36. It can be, for example, a sandwich or a hamburger. Since the product 36 is sandwiched between the recesses 30, it cannot move in part 5. More specifically, due to this, it cannot fall on the bottom portion 17. Thus, an air gap 37 remains between the product 36 and the portion 17, which serves to insulate the heated or hot product 36 from the container 2. The advantage obtained by this is that the product 36 cools more slowly, the walls 17, 22, 24 of the container 2 do not heat up, as a result of which the user can take them more freely.

Figure 5 shows the proposed container 2 in the closed position, in which part 5 is shaped like a box by turning all sections 22, 23, 24, 25 upward 90 ° relative to section 17. At all four corners of part 5, connector 26 projects inside of part 5 and can therefore hold the product 36 in part 5, as shown in FIG.

Then, part 4 is rotated around the edge 3 above the box-shaped part 5 so that part 4 overlaps part 5. This overlap is easier to perform due to the steps 34, the cross-sectional dimensions of part 5 are slightly inferior to the dimensions of the cross-section of part 4.

In the closed position of the container 2, the end of part 4 and the portion of the side wall of part 5 are located on parallel planes on each other on the three side walls of the container 2. The end face 10 is located above the portion 24 parallel to its plane, the end face 11 is located above the portion 23 parallel to its plane, and the end face 12 is located above section 22 parallel to its plane. Only one wall of the container 2, formed by section 25, remains single-layer. The remaining three sides of the container 2 are two-layer due to the overlap of the ends and sections of the side wall, and between the ends and the corresponding sections of the side wall there may be an air gap. The two-layer construction and the air gap also serve to insulate the container 2.

The presence of rounding 35 causes incomplete overlapping by the end face 10 of section 24 and the presence of a recess 38. The corresponding recess 38 is also located on the opposite side wall of the container 2, where the end 12 also does not completely cover the wall 22 due to the presence of a rounding 35. Corresponding sections 22, 24 of the part are visible in the recesses 38 5, which the user can grab. Holding the part 5 in this way, the user can turn the part 4 relative to the part 5 with the other hand. Thus, the recess 38 facilitates the use of the container 2.

Figure 6 shows a second variant of the proposed container 2, having two differences from the previous version. Both differences can be implemented in container 2 independently of each other.

The first difference between the container 2 shown in FIG. 6 and the previous embodiment is that the container 2 shown in FIG. 6 comprises a locking mechanism. For this purpose, at the edge of section 23, facing away from section 17, a locking tongue 39 is made having an elongated shape and located in the same plane with section 23.

Part 4 has a locking pocket 40 with which the tongue 39 can be engaged. The pocket 40 is made through a cut in the protrusions 13, 14, through which the tongue 39 can pass into the space between the protrusions 13, 14 and the end 11, when the part 4 is rotated over the part 5 to the closed position of the container 2. Also, the locking hole can be made by cutting in the edge 8 between section 6 and end 11, and tongue 39 may be engaged with said locking hole. The engagement of the tongue 39 with the pocket 40 or the locking hole limits the freedom of movement of the part 4 relative to the part 5, so that the movement of the container 2 in the closed position can be more secure.

Another difference of the embodiment shown in FIG. 6 with respect to the previous embodiment is that both opposite side ends 10, 12 of part 4 have a fold line 41. Each line 41 runs along the bisector of the angle between the edge 7, 9 connecting the end face 10, 12 with the portion 6, and the edge connecting the end face 10, 12 with the protrusion 13, 14 associated with it. The direction of the line 41 may, for example, be predefined by perforation. The corresponding end face 10, 12 can be folded along the line 41, so that it lies flat on the portion 6. Through the line 41, this folding movement is transmitted to the end face 11, so that it also rotates around the edge 8 relative to the lid portion and switches to the position in which it lies flat on section 6. Although the protrusions 13, 14 are glued to the end face 11, the container 2 can thus be folded into a completely flat position. In this position, the containers are very convenient to stack and move.

The proposed container 2 can be improved in many ways based on the options shown. No doubt, the container 2 can be used not only for food products, but also for placing and carrying other items 36. In addition, the shapes of the container 2 can be not only rectangular, as shown in this example. Sections 6, 17, for example, can also be round, triangular, polygonal or have any other necessary geometric shape. Section 5 and section 17 may also be of various shapes, which, of course, increases or decreases the number of side walls.

The bottom part in particular can also have only one section 22, 23, 24, 25, made with the possibility of rotation relative to section 17, and the remaining sections of the side wall are fixed motionless relative to section 17. The advantages of this configuration are that the rotation of the rotary section of the side wall provides access to the item 36 located in the container 2.

Claims (24)

1. The container (2) with the bottom part (5) and the lid part (4), which contains a rectangular lid section (6) connected along three edges (7, 8, 9) with the corresponding ends (10, 11, 12), and along the fourth edge (3) rotatably connected to the bottom part (5), which contains a rectangular bottom section (17) and four sections (22, 23, 24, 25) of the side wall, paired with the corresponding edges (18, 19, 20, 21) of the bottom section (17), and
at least one of the sections (22, 23, 24, 25) of the side wall of the bottom part (5) is configured to rotate around the edge (18, 19, 20, 21) of the bottom section connecting this section (22, 23, 24, 25) a side wall with a bottom section (17), and a connector (26) is made between two adjacent sections (22, 23, 24, 25) of the side wall,
characterized in that
the connector (26) protrudes into the bottom part (5), which is in a state in which it has an approximately box-shaped shape. 2. The container according to claim 1, characterized in that two, three or four sections (22, 23, 24, 25) of the side wall are rotatable around the edge (18, 19, 20, 21) of the bottom section (17), connecting the corresponding section (22, 23, 24, 25) of the side wall with the bottom section (17). 3. The container according to claim 1, characterized in that the bottom part (5) is made with the possibility of folding in a flat position. 4. The container according to claim 1, characterized in that the connector (26) has a fold line (33) extending along the bisector of the angle between two adjacent sections (22, 23, 24, 25) of the side wall. 5. The container according to claim 1 or 4, characterized in that a recess (30) is made on the outer edge (29) of the connector (26). 6. The container according to claim 5, characterized in that the recess (30) is made in the middle of the outer edge (29) of the connector (26) in particular symmetrically with respect to the bisector of the angle between two adjacent sections (22, 23, 24, 25) of the side wall. 7. The container according to claim 6, characterized in that the recess (30) is located approximately at the height of half of the side wall section relative to the bottom section (17) when placing sections (22, 23, 24, 25) of the side wall perpendicular to the bottom section (17) . 8. The container according to claim 1, characterized in that the dimensions of the bottom section (17) are approximately equal to the dimensions of the lid section (6) or at least slightly inferior to them. 9. The container according to claim 1, characterized in that the three ends (10, 11, 12) of the lid part (4) are attached to each other, so that each end is located approximately perpendicular to the lid section (6). 10. The container according to claim 1, characterized in that two adjacent ends (10, 11, 12) of the lid part (4) are glued to each other. 11. The container according to claim 1, characterized in that at least one end (10, 12) of the lid part (4) has a fold line (41) running along the bisector of the angle between the edge (7, 9) connecting the end (10) , 12) with a lid portion (6), and an edge connecting this end face (10, 12) with an adjacent end face (11), so that this end face (10, 12) has the possibility of folding into a flat position in which it is located on the lid plot (6). 12. The container according to claim 11, characterized in that in each of the two opposite ends (10, 12) of the lid part (4) there is a fold line (41) running along the bisector of the angle between the edge (7, 9) connecting an end face (10, 12) with a lid portion (6), and an edge connecting this end face (10, 12) with an adjacent end face (11) so that the lid part (4) is fully folding into a flat position. 13. The container according to claim 4 or 11, characterized in that at least one fold line (33, 41) is made by perforation. 14. The container according to claim 1, characterized in that it is made with the possibility of folding in a closed position, in which the bottom part (5) takes a box-like position and overlaps the lid part (4). 15. The container according to claim 14, characterized in that in the closed position of the container (2), the ends (10, 11, 12) of the lid part (4) are located outside the sections (22, 23, 24, 25) of the side wall of the bottom part (5) ) and are approximately parallel to their plane. 16. The container according to claim 1, characterized in that one section (25) of the side wall is connected by one edge (3) to the lid section (6), and the opposite edge (21) to the bottom section (17). 17. The container according to claim 1, characterized in that at least one end face (10, 12) of the lid part (4) has a gripping recess (38). 18. The container according to claim 17, characterized in that the gripping recess (38) is made at the end of one end (10, 12) located near the edge (3) connecting the lid part (4) with the bottom part (5). 19. A container according to claim 17 or 18, characterized in that the gripping recess (38) is made by rounding (35) one corner of the end face (10, 12). 20. The container according to claim 1, characterized in that at least one side wall (23) of the bottom part (5) contains a locking tab (39), which is arranged to be inserted into the locking hole or locking pocket (40) on the lid part (4) in the closed position of the container (2). 21. The container according to claim 1, characterized in that it is made of a single piece (1). 22. The container according to claim 1, characterized in that it is made of a symmetrical workpiece (1). 23. The container according to claim 1, characterized in that it is made of plastic or cellulosic material, in particular paper or cardboard. 24. Preparation of the container according to one of the preceding paragraphs.

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