JP3198161U - Paper container with reinforced structure - Google Patents

Abstract

A paper container having a reinforcing structure at an upper edge is provided. A storage space, a peripheral wall that defines the storage space, an opening that communicates with the storage space, and an opening that is connected to the peripheral wall and defines the opening. The upper edge end portion 26 includes four side portions 27 and four side corner portions 28. Each of the side portions 27 includes a first straight line extending horizontally in a direction opposite to the opening 29, a vertical line connected to the first straight line, a vertical line connected to the vertical line, and the peripheral wall. And an inclined step extending in an oblique direction, and a second linear step connected to the inclined step and extending horizontally to the peripheral wall and attached to the first linear step. As a result, the paper container 20 has further advantages such as a reduction in deposition height, saving of paper material, excellent formability of the reinforced structure, and sealing using a sealing machine. [Selection] Figure 2

Description

  The present invention relates to a paper container having a reinforcing structure at an upper edge portion of the paper container.

  Paper containers such as general paper cups, paper plates, paper boxes, and the like are manufactured by folding paper materials in a state where many are cut into a specific shape, or by forming press bonding. In order to prevent deformation of the upper edge where the user grips too much, many manufacturers install a reinforced structure at the upper edge of the paper container. The structural strength of the upper edge portion is enhanced.

  For example, a paper packaging box described in Patent Document 1 (see Patent Document 1) has reinforcing wings including a guide surface 21, a holding surface 22, and an adhesive surface 23. Adhered to the outside of the box 1, the hollow reinforcing edge 2 is thereby formed. This design enhances the structural strength of the upper edge of the paper box, but the adhesive surface 23 cannot be adhered to the outer wall of the box 1 unless the reinforcing wings are long enough. Can not reduce the amount of paper material used.

  Moreover, the paper container (for example, refer patent document 2) described in patent document 2 is the 2nd outer folding piece 31, the 2nd folding piece 32, and the 2nd adhesive piece which incline slightly downward. 33, and the second adhesive piece 33 is adhered to the outer edge of the bottom surface of the second folded piece 30, that is, adhered to the outer wall of the formed container. For this reason, the above-mentioned paper container similarly has a problem that the amount of paper material used cannot be reduced, and furthermore, since the second outer folded piece 31 is inclined downward, the second outer folded piece 31 and In the hollow reinforced structure formed by the second folded piece 32, the deposition height of the paper container is increased and it is difficult to carry.

  Furthermore, the strengthening structure of the edge part of the paper container described in Patent Document 3 (see, for example, Patent Document 3) has an outer piece 11B, and the outer edge of the outer piece 11B is oppositely folded outward. The reinforcing piece 12B is extended, the long piece 14B is connected to the reinforcing piece 12B and the outer piece 11B, and the outer edge of the reinforcing piece 12B is directed outward and adhered to the outer surface of the paper box 10B. The piece 15B is extended. The reinforcing piece 12B is similarly adhered to the outer wall of the paper box 10B, and thus the above-mentioned paper box has a problem that the amount of paper material used cannot be reduced.

  Finally, in the paper container opening reinforcing structure described in Patent Document 4 (see, for example, Patent Document 4), the curved surface 11 is bent outwardly integrally from the upper opening of the container body 10A. Formed by stretching. The opposite folding edge 12 is positioned on the outer peripheral edge of the curved surface 11, the support piece 13 is formed by extending integrally from the opposite folding edge 12, and the adhesive portion 14 attaches the support piece 13 to the curved surface 11. A hollow ring 15 is formed between the curved surface 11 and the support piece 13 by being bonded and fixed. Such a reinforced structure having an arc-shaped hollow ring has a problem of lack of regularity. That is, when the paper material is left for a long time, the shape of the paper material slightly changes due to the elastic recovery force, and the processing is difficult.

  The above-mentioned conventional various paper containers can be stored only by covering the storage space in which food is put, cannot be sealed using a sealing machine, the application range is narrow, and there is room for improvement. was there.

Taiwan Utility Model Application No. 263918 Taiwan Utility Model Application No. M301016 Taiwan Utility Model Application No. M404828 Taiwan Utility Model Application No. M464422

  Therefore, the present inventor considered that the above-described drawbacks can be improved, and as a result of intensive studies, the present inventor has arrived at a proposal of the present invention that effectively improves the above-described problems with a rational design.

  This invention is made | formed in view of the above situation, Comprising: In order to solve the said subject, this invention aims at providing the paper container which has a reinforcement structure.

  In order to solve the above-described problems and achieve the object, a paper container having a reinforcing structure according to the present invention includes a storage space, a peripheral wall, an opening, and an upper edge end, and the peripheral wall is the storage A space is provided, the opening is communicated with the storage space, the upper edge end is connected to the peripheral wall, and the opening is provided, and the upper edge ends are opposed to each other. And four side corners connected to the two adjacent side parts respectively. Each of the side portions has a first linear step, a vertical step, an inclined step, and a second linear step. The first linear step extends horizontally in a direction opposite to the opening. The vertical stage is connected to the end of the first linear stage and extends vertically downward. The inclined step is connected to the end of the vertical step and extends in an oblique direction of the peripheral wall. The second linear step is connected to the end of the inclined step, extends horizontally on the peripheral wall, and is attached to the first linear step.

  Thus, a hollow reinforcing structure is formed between the inclined step and the first linear step, and the paper container according to the present invention has a certain structural strength. In addition, the second linear step is directly attached to the first linear step, not only to further strengthen the structural strength of the paper container, but also to reduce the amount of paper material used, without rebounding, Excellent formality.

  Further, since the paper container according to the present invention has the first linear stage and the second linear stage, it can be placed on a sealing machine stand for sealing, and the applicability is widened. Furthermore, the paper container according to the present invention also reduces the deposition height, reduces the volume, and makes storage and transportation convenient.

  In the paper container having the reinforcing structure according to the embodiment of the present invention, the ratio of the length of the second linear step to the length of the first linear step of each side portion is about 1: 2 to 3: 4. Yes, thereby maintaining the structural strength of the paper container and increasing the formality.

  In the paper container having a reinforced structure according to the embodiment of the present invention, each of the side corners further includes two reinforcing plates respectively superposed on two side sides installed adjacent to each other. The reinforcing plate is placed on the first linear stepped straight line placed on each side part, the vertical stage placed on the vertical stage on each side part, and the sloped stage on each side part. And an inclined stage. Thereby, the probability that the overlapping portion between the side corner and the side portion is separated is reduced, and the stability of the structure is improved.

  In the paper container having the reinforcing structure according to the first aspect of the present invention, each of the side corners has an arc shape. Each of the side corners has a straight line and a first vertical line, and the straight line extends horizontally in a direction opposite to the opening, and the first vertical line is connected to the end of the straight line. And stretched vertically downward. In order to stabilize the reinforcing structure, each of the side corners further includes a second vertical step, connected to the end of the first vertical step and vertically extended upward, and the first vertical step. Affixed to.

  In the paper container having the reinforcing structure according to the first aspect of the present invention, the range of the ratio of the length of the second vertical step to the length of the first vertical step at each corner is about 1: 2 to 2. 1: 1. In the paper container according to the second embodiment of the present invention, each of the side corners has a straight shape, and each of the side corners has a first straight line and a first vertical line. The first linear step extends horizontally in a direction opposite to the opening, and the first vertical step is connected to the end of the first linear step and extends vertically downward.

  In an embodiment in which the side corners are straight, each side corner further includes an inclined step and a second linear step to stabilize the reinforcing structure, and the inclined step is the end of the first vertical step. And the second linear step is connected to the end of the inclined step, is horizontally extended to the peripheral wall, and is attached to the first linear step. Alternatively, each of the side corners further includes a second vertical step, is connected to the end of the first vertical step, extends vertically upward, and is attached to the first vertical step.

  Further, in the paper container having the reinforcing structure according to the second aspect of the present invention, the range of the ratio of the length of the second linear step to the length of the first linear step at each side corner is about 1: 2 to 3. : 4.

According to the present invention, not only is it difficult to be deformed while maintaining a certain structural strength, but the deposition height is low, the amount of paper material used is reduced, the form factor of the reinforced structure is excellent, and it can be applied to a sealing machine It has further advantages such as.

It is an external appearance perspective view which shows the paper material material which manufactures the paper container which has the reinforcement structure which concerns on 1st Embodiment of this invention. It is an external appearance perspective view which shows the paper container which has the reinforcement structure which concerns on 1st Embodiment of this invention. FIG. 3 is a schematic cross-sectional view taken along line 3-3 shown in FIG. 2 and is a side view of the side portion of the paper container according to the first embodiment of the present invention. FIG. 4 is a schematic cross-sectional view taken along line 4-4 shown in FIG. 2, and is a view of a side corner of the paper container according to the first embodiment of the present invention. FIG. 5 is a schematic cross-sectional view taken along the line 5-5 shown in FIG. 2, and is an aspect diagram of a portion where the side corner and the side portion of the paper container of the first embodiment of the present invention overlap. In FIG. 4, it is another aspect figure which shows only the edge part of a paper container. It is an external appearance inclination figure which shows the paper container which has the reinforcement structure which concerns on 2nd Embodiment of this invention. FIG. 8 is a schematic cross-sectional view taken along line 8-8 shown in FIG. 7 and is a side view of the side portion of the paper container according to the second embodiment of the present invention. It is an external appearance inclination figure which shows the paper container which has the reinforcement | strengthening structure which concerns on 3rd Embodiment of this invention.

  Preferred embodiments of the present invention will be described with reference to the accompanying drawings. The embodiment described below does not limit the contents of the present invention described in the claims of the utility model registration. In addition, all the configurations described below are not necessarily essential requirements of the present invention. In the present specification, in the claims of the embodiment and the utility model registration claim described below, “upper”, “lower”, “upper”, “bottom”, “inner”, “outer”, etc. All nouns related to direction are based on the direction in the diagram. Next, in the embodiments and diagrams described below, the same reference numerals indicate the same or similar features of the members and structures.

<First Embodiment>
Hereinafter, specific embodiments of the present invention will be described with reference to the accompanying drawings. In the first embodiment of the present invention, the paper material 20 shown in FIG. 1 is used, and the paper container 20 is manufactured by folding and bonding (see FIG. 2).

  As shown in FIG. 1, in the present embodiment, the paper material 10 is cut into a predetermined shape, and the inner surface 11 has a plastic film made of polyethylene (polyethylene, PE) or polypropylene (polypropylene, PP). Is installed (not shown). Further, a plurality of broken lines 12 having a predetermined pattern shape are printed on the paper material 10 by a mold, and the paper material 10 has a central portion 13 and four side portions 14 surrounding the central portion 13. , Four corners 15 respectively connected to the two adjacent side parts 14, four wing parts 16 extending outward from the side parts 14, and outward from the corner parts 15, respectively. Four convex portions 17 extending toward the surface are defined. Reinforcing plates 19 are projected outwardly at two side edge portions of each convex portion 17 and correspond to the adjacent side portions 14 respectively. To do.

  At the time of manufacture, the paper material 10 is curved along the broken line 12 at the same time by a thermoforming press method, and the heated plastic film is made viscous to bond and form the paper container 20 shown in FIG. After the crimping and bonding, the bottom wall 21 of the paper container 20 is formed at the central portion 13 of the paper material 10, and the side portions 14 and the corner portions 15 of the paper material 10 are both of the paper container 20. A peripheral wall 23 is formed, and the bottom wall 21 and the peripheral wall 23 define a storage space 25 for storing an object (for example, food). Four side portions 27 of the upper edge portion 26 of the paper container 20 are formed by the four wing portions 16 of the paper material 10 and are installed in a pair. The four convex portions 17 of the paper material 10 form four side corner portions 28 of the upper edge end portion 26, and the reinforcing plates 19 are overlapped with the wing portions 16, and the upper edge end portion 26. Is provided with an opening 29 communicating with the storage space 25.

  In the paper container 20 manufactured from the paper material 10 according to the first embodiment, the four side portions 27 of the upper edge 26 thereof are substantially linear, and the four corners 28 are generally arcuate. (See FIG. 2). Subsequently, as shown in FIG. 3, each of the side portions 27 is connected to the first linear step 271 that extends horizontally in the direction opposite to the opening 29, and the end of the first linear step 271. A vertical step 273 extending vertically downward, connected to the end of the vertical step 273 and inclined to the peripheral wall 23, and connected to the end of the inclined step 275 And a second linear step 277 extending horizontally on the peripheral wall 23. The second linear step 277 is attached to the bottom surface of the first linear step 271 by generating a viscosity by heating the plastic film of the paper material 10 itself. Alternatively, the second linear step 277 is bonded to the bottom surface of the first linear step 271 by applying an adhesive.

  As shown in FIG. 4, each of the side corners 28 is connected to the straight line 281 extending horizontally in the direction opposite to the opening 29, and the end of the straight line 281, and vertically downward. And a second vertical stage 285 connected to the end of the first vertical stage 283 and extending vertically upward. The second vertical step 285 is attached to the inner surface of the first vertical step 283 by generating a viscosity by heating the plastic film of the paper material 10 itself. Alternatively, the second vertical step 285 is coated with an adhesive and adhered to the inner surface of the first vertical step 283.

  Due to the structural design of the side portion 27 and the side corner portion 28, a hollow reinforcing structure is formed between the inclined step 275 and the first linear step 271, so that the paper container 20 has a certain structural strength. Have. In addition, since the second linear step 277 is directly attached to the first linear step 271, not only the structural strength of the paper container is further strengthened, but also the amount of paper material used is reduced, and it is not easily repelled. Also, it has excellent regularity. Further, the design of the first linear step 271, the second linear step 277, and the linear step 281 at the side corner 28 allows the paper container 20 to be stored and transported because it not only has a low deposition height, but also has a reduced volume. It is also convenient and can be sealed on the sealing machine stand, further expanding the applicability.

  Incidentally, in the present embodiment, the length of the first linear step 271 of the side portion 27 is (but is not limited to) about twice the length of the second linear step 277, and most preferably. The ratio between the length of the second linear step 277 and the length of the first linear step 271 is in a range between 1: 2 and 3: 4, and gives a favorable structural strength to the side portion 27 of the paper container 20. At the same time, the second linear step 277 is prevented from repelling and detaching from the first linear step 271 and the stability (standardity) of the structure of the paper container 20 is increased. Also, the length of the first vertical step 283 at the side corner 28 is approximately (but not limited to) the length of the second vertical step 285, and most preferably the second vertical step 285. The ratio between the length of the first vertical step 283 and the length of the first vertical step 283 is in the range of 1: 2 to 1: 1, giving the side corners 28 of the paper container 20 a favorable structural strength and at the same time the second vertical step. 285 is repelled and prevented from detaching from the first vertical stage 283, and the stability (standardity) of the structure of the paper container 20 is increased.

  The overlapping portion of the side corner portion 28 and the side portion 27 is formed by overlapping the reinforcing plates 19 on the wing portions 16. Each of the reinforcing plates 19 includes a linear step 191 overlaid on the first straight step 271 of each side portion 27, a vertical step 193 overlaid on the vertical step 273 of each side portion 27, and And an inclined step 195 placed on the inclined step 275 of the side portion 27 (see FIG. 5). This prevents the overlapping portion between the side corner portion 28 and the side portion 27 from being separated, and increases the stability of the structure.

  In addition, the aspect of each said side corner part 28 is not limited to the aspect illustrated in FIG. For example, the side corner portion 28 extends horizontally in a direction opposite to the opening 29, and the first vertical portion is connected to the end of the linear step 281 and extends vertically downward. Only the step 283 may be included (see FIG. 6). As a result, while maintaining a certain structural strength, the volume of the paper material is slightly reduced and it becomes easy to process.

  The form of the paper container according to the present invention is not limited to the first embodiment described above, and may be the form shown in FIG. 7, which will be further described below.

Second Embodiment
FIG. 7 is an external inclination view showing a paper container 30 according to the second embodiment of the present invention. The paper container 30 is almost the same as that of the first embodiment, and similarly includes the bottom wall 21, the peripheral wall 23, the storage space 25, and the upper edge end portion 26. The difference between the paper container 30 of the second embodiment and the first embodiment is that the side corner portion 38 of the upper edge end portion 26 is linear.

  In the present embodiment, each of the side corner portions 38 of the upper edge end portion 26 is connected to the first linear step 381 extending horizontally in the direction opposite to the opening 29 and the end of the first linear step 381. A vertical step 383 that extends vertically downward, an inclined step 385 that is connected to the end of the vertical step 383 and that is inclined and extended toward the peripheral wall 23, and a terminal of the inclined step 385 And a second straight step 387 extending horizontally toward the peripheral wall 23, and the second straight step 387 is attached to the bottom surface of the first straight step 381. That is, when the side corner portion 38 has a straight line shape, the structure of the side corner portion 38 is preferably the same as that of the side side portion 27, and the paper container 30 provides a preferable structural strength.

  Incidentally, in the present embodiment, the structure of the side corner portion 38 is the same as that of the side side portion 27. However, the present invention is not limited to this, and the side corner portion 38 has the structure shown in FIG. 4 or FIG. But you can. That is, the side corner portion 38 may include only the first straight step 381 and the vertical step 383, or the side corner portion 38 may include the first straight step 381, the vertical step 383, and the vertical step. The other vertical step may be connected to the end of 383 and extended vertically upward and adhered to the vertical step 383.

  In this embodiment, the length of the first linear step 381 is (but is not limited to) about twice the length of the second linear step 387, and most preferably the length of the second linear step 387. The ratio between the length and the length of the first linear step 381 is in the range between 1: 2 and 3: 4, the side corners 38 of the paper container 30 have a more favorable structural strength, and at the same time the second linear step The probability that 387 repels is reduced, and the stability (standardity) of the structure of the paper container 30 is increased.

<Third Embodiment>
Although the paper container which concerns on this invention is not necessarily limited, as shown in FIG.2 and FIG.7, an outline exhibits a square or an octagon. In other words, in the paper container 40 which concerns on 3rd Embodiment of this invention of FIG. 9, an outline exhibits a substantially rectangular shape. In addition, although the said side corner part 48 by this embodiment exhibits a substantially arc shape, in fact, the said side corner part 48 may exhibit a linear form. Incidentally, when the side corner portion 48 has an arc shape, its cross-sectional form is as shown in FIG. 4 or FIG. When the side corner portion 48 is linear, the cross-sectional form is as shown in FIG. 4, FIG. 6, or FIG.

  Accordingly, the embodiments disclosed herein are for the purpose of explaining, not limiting the present invention, and the spirit and scope of the present invention are not limited by such embodiments. The scope of the present invention should be construed according to the claims, and all technologies within the equivalent scope should be construed as being included in the scope of the present invention.

10 paper material 11 inner surface 12 broken line 13 central part 14 side 15 corner 16 wing part 17 convex part 19 reinforcing plate 191 linear stage 193 vertical stage 195 inclined stage 20 paper container 21 bottom wall 23 peripheral wall 25 storage space 26 upper edge Section 27 side edge 271 first straight line 273 vertical line 275 inclined line 277 second straight line 28 side corner 281 straight line 283 first vertical line 285 second vertical line 29 opening 30 paper container 38 side corner 381 first straight line Step 383 Vertical step 385 Inclination step 387 Second linear step 40 Paper container 48 corner

Claims (7)

A storage space; a peripheral wall that defines the storage space; an opening that communicates with the storage space; and an upper edge end that is connected to the peripheral wall and defines the opening; Is a paper container having a reinforced structure comprising four side sides that are installed to face each other and four side corners that are connected to two adjacent side sides, respectively.
In each of the side portions, a first linear stage extending horizontally in a direction opposite to the opening, a vertical stage connected to the end of the first linear stage and vertically extended downward, An inclined step connected to the end of the vertical step and extending in an oblique direction of the peripheral wall, and connected to an end of the inclined step, extended horizontally to the peripheral wall, and attached to the first linear step A paper container having a reinforced structure comprising a second linear stage.   Each of the side corners has two reinforcing plates respectively superposed on two side sides that are installed adjacent to each other, and each of the reinforcing plates is arranged on the first straight line of each of the side sides. It has a linear step that is overlaid, a vertical step that is overlaid on a vertical step of each of the side portions, and an inclined step that is overlaid on the inclined step of each of the side portions. A paper container having the reinforcing structure according to Item 1.   Each of the side corners has an arc shape, and a straight line extending horizontally in a direction opposite to the opening, and a first vertical connected to the end of the straight line and extending vertically downward The paper container having a reinforcing structure according to claim 2, wherein the paper container has a step.   Each of the side corners further includes a second vertical step connected to an end of the first vertical step and extending vertically upward and adhered to the first vertical step. A paper container having the reinforcing structure according to claim 3.   Each of the side corners has a straight line shape, and is connected to the first linear stage extending horizontally in the direction opposite to the opening, and the end of the first linear stage, and extends vertically downward. The paper container having a reinforcing structure according to claim 2, further comprising a first vertical stage.   Each of the side corners is connected to the end of the first vertical step and extends in an oblique direction of the peripheral wall, and is connected to the end of the inclined step and extends horizontally to the peripheral wall; The paper container having a reinforced structure according to claim 5, further comprising a second linear step adhered to the first linear step.   Each of the side corners further includes a second vertical step connected to an end of the first vertical step and extending vertically upward and adhered to the first vertical step. A paper container having the reinforcing structure according to claim 5.

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