JP2004269045A - Paper container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a paper container having an increased strength by making a barrel constituting surface in such a shape that triangles are adjacent while alternately inverted to prevent a barrel from swelling and contents from coming out even if an external pressure is accidentally applied, and further which is formed in a shape easy to hold when in use, can express three-dimensional design compared with a conventionally standardized and flat rectangular parallelopiped barrel form to be excellent in solid design in displaying an article, and is excellent in productivity. <P>SOLUTION: The paper container consists of: square bottom constituting plates; four upward isosceles triangular barrel constituting plates standing from respective sides of the bottom constituting plate; four downward isosceles triangular barrel constituting plates, each consisting of two hypotenuses provided between the adjacent upward isosceles triangular barrel constituting plates and an upper side connecting between vertexes of the adjacent upward isosceles triangular constituting plates and having the same size as that of one side of the bottom constituting plate; and square top constituting plates having various upper sides of the respective downward isosceles triangular barrel constituting plates as ridges. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

  The present invention relates to a paper container, and more particularly, to a paper container which is excellent in strength and appearance and design of a container body, and which is easy to grip when used.

  2. Description of the Related Art Conventionally, cartons referred to as goebel top type (gable roof type) and flat top type have been established as simple containers for storing various liquids such as milk, fruit drinks, sake, etc. Recently, shampoos, rinses, detergents, etc. Of non-food products. In addition, powdered, granular and granular solids such as powder detergents, salt and rice are used as the contents that can be poured out.

  Usually, this type of carton has a rectangular cylindrical body, which has good alignment and placement properties and excellent transportability, but on the other hand, the strength of each body is weak and the body swells. Phenomena, and the filled liquid erroneously jumped out due to external pressure by fingers. In addition, the display at the time of sale generally has only a one-sided flat design part display, and has a drawback that cannot be differentiated from a general paper box display. Furthermore, at the time of use, it is hard to hold because it is angular, and there has been a problem such that the corners bite into fingers.

In order to solve the above-mentioned problem, in the body portion of the paper container, a fold for forming a concave portion in a predetermined shape is provided in a predetermined shape on the ridge line formed by each side wall toward the inside of the container. The disclosed device is disclosed. This invention was made in order to prevent deformation such as denting of the paper container by decompression accompanying cooling after filling and sealing at high temperature, but as shown in the embodiment, concave portions are formed at each corner portion. By doing so, it is possible to maintain the external appearance design and to have a practical effect of improving finger grip during use. However, although the present invention has an effect on decompression due to cooling, in the case of a large-volume paper container filled at room temperature, deterioration of the appearance design due to the blistering phenomenon is inevitable, and the width of the body of the paper container of the present invention is increased. There is a drawback that it is hard to hold due to the feature (for example, see Patent Document 1).
Japanese Utility Model Publication No. Sho 61-183811

  Further, in this type of paper container, a bottomed container body in which a body peripheral wall usually formed of four sides is formed in a downward tapered shape is proposed, which is a container convenient for stacking storage and transportation. However, since the torso peripheral wall is composed of only four surfaces, deterioration of the appearance design due to the torso swelling phenomenon is inevitable, and the phenomenon that the filled liquid erroneously pops out due to external pressure by fingers is not solved. Did not.

  Therefore, an object of the present invention is to solve the above problems, milk, fruit drinks, various drinks such as sake, shampoo, non-food liquids such as rinse, salt and rice, powder detergent and the like In a paper container that fills and stores powdery, granular, or granular solids, the shape of the fuselage is designed so that triangles are alternately adjacent to each other to increase strength and suppress blister swelling. The contents are not protruded even if they are added, and the shape is easy to grasp when used.In addition, the product display enables a three-dimensional design expression compared to the square cylinder body shape that was previously uniform and flat It is an object of the present invention to provide a paper container having excellent three-dimensional design and excellent productivity.

  In order to solve the above problem, the invention according to claim 1 is characterized in that a square bottom component plate, four upward isosceles triangular torso component plates erected from each side of the bottom component plate, An upper side of the same dimension as one side of the bottom component plate is formed by connecting two oblique sides provided between the upward isosceles triangular body component plates and vertices of the adjacent upward isosceles triangular body component plates. Paper comprising: four downwardly isosceles triangular torso-shaped body component plates; and a square top component plate having each upper side of each of the downwardly-facing isosceles triangular-shaped body component plates as a ridge line. It is a container, the strength is increased by making the shape of the trunk part alternately adjacent triangles upside down, the occurrence of trunk swelling is suppressed, and the contents do not jump out even if external pressure is applied carelessly In addition, when used, the shape should be easy to grasp. , When product display provides excellent paper container stereoscopic design properties can sterically design expression compared to square tubular body shape was uniform planar ever.

  The invention according to claim 2 is characterized in that a square bottom component plate, four upward isosceles triangular body component plates erected from each side of the bottom component plate, and the adjacent upward isosceles triangle Four downwards formed by connecting the two oblique sides provided between the body component plates and the vertices of the upward facing isosceles triangular body component plates adjacent to each other and comprising one side of the bottom component plate and an upper side having the same size. It is composed of an isosceles triangular torso component plate, and a top component plate that extends on the upper extension with each upper side of the downward isosceles triangular torso component plate as a ridge line and is sealed like a gable roof. It is a paper container characterized by the shape of a commonly used liquid paper container, that is, a gable roof paper container shape, by partially changing the box making and filling machine used so far. It is possible to carry out, and in the case of gable roof Since that perform the opening and use is normally, by gripping easily shaped as in the present invention can be expected to improve the feeling.

  The invention according to claim 3 is characterized in that a square bottom component plate, four upward isosceles triangular body component plates erected from each side of the bottom component plate, and the adjacent upward isosceles triangle shape It comprises two oblique sides provided between the body component plates and an upper side having a dimension obtained by connecting the vertices of the adjacent upward isosceles triangular body component plates and multiplying one side of the bottom component plate by 胴 2. It is characterized by being constituted by four downward isosceles triangular torso-shaped body component plates to be formed, and a square top component plate having each upper side of each of the downwardly isosceles triangular torso-shaped body component plates as a ridge line. In a paper container, by setting the length of each side of the top component plate to the length of each side of the bottom component plate multiplied by √2, each downward isosceles triangular body component plate is substantially As described above, triangles form a vertical plane, and a triangle Adjacent to the shape increases strength, suppresses blistering, prevents contents from popping out even if external pressure is inadvertently applied, and has a shape that is easy to grasp when used. At the exhibition, three-dimensional design expression is possible and superior in three-dimensional design compared to the square cylinder body shape, which was previously uniform and flat, and the parallelism of the vertical plane is maintained in the container assembly state And easy handling during transport and storage.

  Further, the invention according to claim 4 is characterized in that a square bottom component plate, four upward isosceles triangular body component plates erected from each side of the bottom component plate, and the adjacent upward isosceles triangle shape It comprises two oblique sides provided between the body component plates and an upper side having a dimension obtained by connecting the vertices of the adjacent upward isosceles triangular body component plates and multiplying one side of the bottom component plate by 胴 2. Four downward isosceles triangular torso-shaped body component plates, and a top portion that is extended on the upper extension with each upper side of each downward isosceles triangular-shaped torso component plate as a ridgeline and sealed in a gable roof shape A paper container characterized by comprising a plate and a generally used liquid paper container shape, that is, a gable-roof-shaped paper container shape, so that a box making filling machine and the like that have been used so far can be used. It can be implemented with some changes, and gable roof paper In the case of a container, since it is normal to open and use at the top, the body formed to taper from the top to the bottom as in the finished state of the present invention has a shape that is easier for the user to grasp, An improvement in usability can be expected.

  The invention according to claim 5 is the paper container blank plate according to any one of claims 1 to 4, wherein the four lower sides of the upwardly-facing isosceles triangular body portion constituting plate are ridge lines extending on the lower extension. Of the bottom component plates to be formed, when the three-dimensional paper container is made three-dimensional, the lower end sides of a pair of opposed bottom component plates are formed so as to protrude from the lower end sides of another pair of opposed bottom component plates, and The top edges of a pair of top component plates facing each other when a three-dimensional paper container is formed, of the top component plates that are extended on the upper extension with each upper side of the downwardly facing isosceles triangular body component plates as ridge lines. Are formed so as to protrude from the upper end sides of the other pair of opposed top component plates, and among the upward facing isosceles triangular body component plates, a pair of opposed upward isosceles triangular body component plates are opposed to each other. The auxiliary folding line that divides each vertically A flat plate body for a paper container blank plate, characterized in that in the bonding step of container manufacture, a flat tubular body that has been folded using the auxiliary folding line and has its body left and right ends welded and bonded is bonded. Since the top component plate and the bottom component plate facing each other protrude from the upper and lower ends, respectively, they effectively function as clues for performing three-dimensionalization by each body component plate in the take-out part of the box making process, Productivity can be increased.

  The invention according to claim 6 is the paper container according to any one of claims 1 to 5, wherein a spout is attached to a part of the top component plate. When performing the dispensing operation while maintaining the container main body in an inclined or horizontal state, the paper container of the present invention has excellent trunk strength, is easy to grasp, and is unlikely to undergo abnormal deformation, so that the normal dispensing operation is performed. I can do it.

  In the paper container of the present invention, the top and bottom portions have a rectangular planar shape, and the respective rectangular planes are rotated at a predetermined angle and located at different positions, and the bottom rectangular shape facing each vertex of the top rectangular shape. It is a three-dimensional paper container formed by lines connecting both ends of each side, and the body configuration surface is made up of triangles alternately adjacent to each other to increase strength, suppress the occurrence of body swelling, and carelessly The effect is obtained that the contents do not jump out even if an external pressure is applied. Further, the increase in strength due to the shape change can reduce the amount of material used, and thus has the effect of reducing material costs. In addition, by changing the engraving position of the auxiliary folding line, clues for raising are formed at the upper and lower ends of the flat cylindrical body, enabling smooth raising operation and improving productivity. .

  Also, by making the shape of the body part triangularly adjacent to the top and bottom alternately, in the case of contents that are filled at a high temperature such as liquor, the cooling surface after filling can be efficiently cooled by increasing the heat radiation surface. The effect is obtained, and the effect of cost reduction can be obtained by increasing production efficiency.

  Furthermore, when exhibiting products, it is possible to show three or more surfaces, regardless of the angle of rotation of the exhibition, and it is more three-dimensional than the square cylinder body shape that was previously uniform and flat. Since it is capable of design expression and has an excellent design effect, it is particularly effective as a liquid paper container for packaging products that require differentiation. Also, as described above, at the time of parallel display, since there is a gap between the containers, in the case of milk or soft drinks to be refrigerated, the paper container of the present invention having a large cold air contact surface has an effect of increasing the refrigeration efficiency. is there. In still another embodiment, the downwardly-facing isosceles triangular body part forming plate is formed substantially vertically, and it is possible to make the containers substantially parallel to each other. In addition, the upwardly isosceles triangular body portion constituting plate is inclined upwardly, so that the cold air contact surface is increased as described above, which has the effect of increasing the refrigeration efficiency.

  When consumers use containers, the isosceles triangular torso-constituting surface is tapered in the vertical direction, so that the user can select a position that is easy to grasp according to the size of the hand. At the same time, since the surface to be gripped is formed with an octagonal cross-sectional angle, there is an effect that the grip can be made with a softer touch than a rectangular cross-sectional angle formed with a regular liquid container square.

  The present invention will be described in detail below with reference to the drawings and the like. FIG. 1 is a developed plan view of a first embodiment of a paper container according to the present invention. FIG. 2 is a perspective view showing a completed state of the first embodiment. FIG. 3 is a front view showing a display state of the first embodiment. FIG. 4 is a side view showing a use state of the first embodiment. FIG. 5 is a developed plan view of a second embodiment of the paper container according to the present invention. FIG. 6 is an explanatory view showing a folded state of the second embodiment. FIG. 7 is a developed plan view of a third embodiment of the paper container according to the present invention. FIG. 8 is a front view showing the display state of the third embodiment. FIG. 9 is a developed plan view of a fourth embodiment of the paper container according to the present invention. FIG. 10 is an explanatory view showing a folded state of the fourth embodiment. FIG. 11 is a developed plan view of a paper container according to a fifth embodiment of the present invention. FIG. 12 is a perspective view showing a completed state of the fifth embodiment.

  FIG. 1 is an exploded plan view of a first embodiment of a paper container according to the present invention, in which a blank plate R is formed by punching a sheet-like material which is made of paper as a base material and whose front and back surfaces are processed with a thermoplastic synthetic resin or the like. In addition, a narrow L30 ', a substantially horizontal lower side horizontal folding line continuous with L27, L28, L29, and L30 having substantially equal widths, and L11, L12, L13, and L14 having substantially equal widths and narrow L11'. In the body part surrounded by a substantially horizontal upper side horizontal folding line and a vertical cutting line on both sides, the body part inclined bending lines L1 and L2 respectively hang from both ends of the upper side horizontal folding line L11, and the tip is the lower side. Reaching the intersection of the horizontal fold lines L30 'and L27, the downward isosceles triangular body part forming plate 1 is sectioned and formed. On its left side, the upward side isosceles triangular body part plate 2 whose lower end is the lower side, the inclined body fold lines L2 and L3 are the oblique sides, and the tip reaches the intersection of the upper side horizontal fold lines L11 and L12 is defined. Has formed. Similarly, downward isosceles triangular torso component plates 3, 5, and 7 are defined from the upper side horizontal fold lines L12, L13, and L14, and upward isosceles triangular torso component plates from the lower horizontal fold lines L28 and L29. 4 and 6, the lower side horizontal folding line L30 is designed so that the lower side horizontal folding line L30 'which is continuous at the time of forming the torso portion is the lower side, and the upward isosceles triangular torso forming plate 8 is partitioned and formed. It has been. On the right side of the downward isosceles triangular body part forming plate 1, an auxiliary body part forming plate 8 ′ surrounded by a right-side vertical cutting line with the body inclined fold line L 1 as the hypotenuse, the lower side horizontal fold line L 30 ′ as the lower side, and the like. Is established. The downward isosceles triangular torso forming plate, with the upper side horizontal folding line L11 'narrower on the left side as the upper side, the body inclined folding line L1' overlapping with the body inclined folding line L1 as the oblique side, and the left cutting line as the vertical side. An auxiliary body component plate 1 ′ that overlaps the inside of the body 1 is connected to the left side of the upwardly isosceles triangular body component plate 8.

  Above the horizontal folding lines L11, L12, L13, L14 and L11 ', the top component plates (that is, the top component plates, hereinafter referred to as the top component plates) 9, 13, 10, 14, 11, 15, 12 are respectively provided. , 16, 9 ′, 13 ′, and bottom component plates 17 ′, 18, 19, 20, 17 are respectively provided below the lower horizontal folding line L 30 ′ and L 27, L 28, L 29, L 30. Further, auxiliary folding lines L9 and L10 vertically bisecting the downward isosceles triangular torso constituting plate 3 and 7 extend across the top constituting plate and the bottom constituting plate. Note that a spout outlet mounting hole P is formed in the top component plate 11.

  FIG. 2 is a perspective view showing a completed state of the first embodiment. In the production of the paper container of the present invention, the flat folding is performed by folding the auxiliary folding lines L9 and L10 of the blank plate R in the bonding step. The left and right ends of the body are welded and bonded to form a cylindrical body folded into a flat plate. Then, in the box making process, the three-dimensional body of each body constituting plate is formed using the body inclined inclined lines L1 to L8. To form a body octahedron. At this time, since each body component plate has an isosceles triangular shape, the square formed by the upper horizontal folding lines L11, L12, L13, and L14 and the square formed by the lower horizontal folding lines L15, L16, L17, and L18 are different from each other. , 45 degrees rotationally symmetric. Next, predetermined bottom box making and welding are performed using the lower horizontal folding lines L15 to L18 and the bottom forming folding lines L31 to L43, and then the spout Q is welded to the spout mounting hole P formed in the top component plate 11. I do. Next, the contents are filled from the upper opening of the paper container by a predetermined filling and packaging machine, and thereafter, a predetermined top box is formed using the upper side horizontal folding lines L11 to L14 and the top forming folding lines L19 to L26 to form a gable roof. A (gebel top) top is formed and welded to complete. Note that the top is not limited to this embodiment, and may have a shape having a flat top, which is usually called a flat top type.

  As the sheet-like material used as the paper container of the present invention, a known material, for example, from the outside to the inside of the container, (1) polyethylene resin layer / paper layer / polyethylene resin layer / aluminum foil / polyethylene resin layer (2) polyethylene resin layer / paper layer / polyethylene resin layer / resin film layer having aluminum evaporated film / polyethylene resin layer; (3) polyethylene resin layer / paper layer / polyethylene resin layer / Laminated material consisting of biaxially stretched polyamide film layer or biaxially stretched polyester resin layer / polyethylene resin layer, (4) polyethylene resin layer / paper layer / polyethylene resin layer / ethylene-vinyl acetate copolymer saponified layer / polyethylene resin Laminated material consisting of layers, (5) polyethylene resin layer / paper layer / polyethylene resin layer / ethylene Laminated material composed of saponified vinyl acetate copolymer layer / biaxially stretched polyamide film layer / polyethylene resin layer, (6) laminated material composed of polyethylene resin layer / paper layer / polyethylene resin layer / nylon MXD6 resin layer / polyethylene resin layer And others can be used.

  When manufacturing the paper container according to the present invention, when welding the body, the bottom, or the top, a sealing method such as a frame seal or a hot air seal can be adopted. In order to protect the end face of the blank plate R as required, for example, a folding hemming method in which the end face is simply cut, a skive hemming method in which the end face is cut and folded, and a tape sticking method in which a plastic film or the like is stuck to the end face. Can be adopted.

  FIG. 3 is a front view showing the display state of the first embodiment of the present invention. In FIG. 3, a downwardly-facing isosceles triangular body component plate 5 generally located below a top component plate 11 to which a spout is attached is shown in a front view. According to the present invention, the upward isosceles triangular torso constituting plates 6 and 4 can be visually recognized on the left and right sides of the downward isosceles triangular torso constituting plate 5, respectively. The three-dimensional design expression can be performed as compared with the paper body of the target body tetrahedron. Further, as is apparent from FIG. 3, the paper containers of the present invention displayed side by side have a gap appearing between the containers near the upper side thereof, so that consumers can easily take out the paper containers. In addition, since there are gaps between the containers, when displaying refrigerated milk or soft drinks, for example, there is little interruption of cool air from above, and cold air can be received on each surface of the body structure. The effect can be improved.

  FIG. 4 is a side view showing a use state of the first embodiment of the present invention, and fingers to be held are indicated by dotted lines. In the paper container of the present invention, since the opposed isosceles triangles of the body constituting plate are tapered from the upper side to the lower side, the position to be held can be freely selected by the consumer according to the size of his / her finger, In addition, since the angle of the surface to be gripped is a surface angle formed in an octagon, the grip can be performed with a soft touch.

  FIG. 5 is an exploded plan view of a second embodiment of the paper container according to the present invention. The blank plate R is formed by punching out a sheet-like material which is made of paper as a base material and whose front and back surfaces are processed with a thermoplastic synthetic resin or the like. In addition, a narrow L30 ', a substantially horizontal lower side horizontal folding line continuous with L27, L28, L29, and L30 having substantially equal widths, and L11, L12, L13, and L14 having substantially equal widths and narrow L11'. In the body part surrounded by a substantially horizontal upper side horizontal folding line and a vertical cutting line on both sides, the body part inclined bending lines L1 and L2 respectively hang from both ends of the upper side horizontal folding line L11, and the tip is the lower side. Reaching the intersection of the horizontal fold lines L30 'and L27, the downward isosceles triangular body part forming plate 1 is sectioned and formed. On its left side, the upward-sided isosceles triangular torso component plate 2 is defined in which the lower side horizontal folding line L27 is a lower side, and the torso inclined bending lines L2 and L3 are an oblique side, and the tip reaches the intersection of the upper side horizontal folding lines L11 and L12. Has formed. Similarly, downward isosceles triangular torso component plates 3, 5, and 7 are defined from the upper side horizontal fold lines L12, L13, and L14, and upward isosceles triangular torso component plates from the lower horizontal fold lines L28 and L29. 4 and 6, the lower side horizontal folding line L30 is designed so that the lower side horizontal folding line L30 'which is continuous at the time of forming the torso portion is the lower side, and the upward isosceles triangular torso forming plate 8 is partitioned and formed. It has been. On the right side of the downward isosceles triangular body part forming plate 1, an auxiliary body part forming plate 8 ′ surrounded by a right-side vertical cutting line with the body inclined fold line L 1 as the hypotenuse, the lower side horizontal fold line L 30 ′ as the lower side, and the like. Is established. The downward isosceles triangular torso forming plate, with the upper side horizontal folding line L11 'narrower on the left side as the upper side, the body inclined folding line L1' overlapping with the body inclined folding line L1 as the oblique side, and the left cutting line as the vertical side. An auxiliary body component plate 1 ′ that overlaps the inside of the body 1 is connected to the left side of the upwardly isosceles triangular body component plate 8.

  Above the upper horizontal folding lines L11, L12, L13, L14 and L11 ', top component plates 9, 13, 10, 14, 11, 15, 12, 16, 9', and 13 'are respectively provided continuously. Below the lower horizontal folding line L30 'and L27, L28, L29, L30, bottom component plates 17', 18, 19, 20, and 17 are respectively provided in series, and the upward isosceles triangular body component plate is further provided. Auxiliary fold lines L9 'and L10' vertically bisecting 2 and 6 extend across the top and bottom component plates. Note that a spout outlet mounting hole P is formed in the top component plate 11. Further, in this embodiment, the top component plates 13 and 15 are formed so that the upper end sides thereof protrude from the upper end edges of the top component plates 14 and 16, and the bottom component plate 17 is formed such that the lower end edges thereof. Are formed to protrude from the lower end side of the bottom component plate 19.

  In the production of the second embodiment of the present invention, the left and right ends of the body were welded and bonded to each other by folding the auxiliary fold lines L9 'and L10' of the blank plate R in the bonding process. It becomes a cylindrical body. As shown in FIG. 6, the top component plate 15 protrudes from the upper end of the top component plate 16 which does not appear in the figure, the top component plate 13 also projects from the upper end of the top component plate 14, and the bottom component plate 17 Are bonded to the tubular body in a state where they protrude from the lower end of the bottom component plate 19. Providing a top component plate and a bottom component plate projecting from the front and back surfaces of the tapered tubular body folded flat, respectively, is a feeder part in a box making process, that is, a take-out part of the tapered tubular body folded into the flat plate. In this case, it functions effectively as a clue for carrying out the three-dimensionalization by the body constituting plate, and enables a smooth carrying out operation. Note that the bending, three-dimensional formation, and welding of each component plate in the box making process are substantially the same as those in the first embodiment, and a description thereof will be omitted. In addition, the shape after the completion of the box making and the display state are substantially the same as those in the first embodiment, and thus the description thereof is omitted.

  FIG. 7 is an exploded plan view of a third embodiment of the paper container according to the present invention. The blank plate R is formed by punching out a sheet-like material which is made of paper as a base material and whose front and back surfaces are processed with a thermoplastic synthetic resin or the like. And a lower side horizontal fold line continuous with the substantially equal width L27, L28, L29, and L30 inscribed in the narrow L30 'and the circular arc, and the lower side horizontal fold line inscribed in the circular arc concentric with the circular arc. The upper side horizontal fold line which is continuous to L11, L12, L13, L14 of approximately equal width and L11 'of narrow width with the length obtained by multiplying one side of L27, L28, L29, L30 of approximately equal width by 、 2; In the torso surrounded by an inclined cutting line passing through the center point of the arc, the torso inclined fold lines L1 and L2 respectively hang from both ends of the upper side horizontal fold line L11, and the ends are the lower side horizontal fold lines L30 'and L27. Reaching the intersection of the downward facing isosceles triangular torso The construction plate 1 is defined and formed. On its left side, the upward side isosceles triangular body part plate 2 whose lower end is the lower side, the inclined body fold lines L2 and L3 are the oblique sides, and the tip reaches the intersection of the upper side horizontal fold lines L11 and L12 is defined. Has formed. Similarly, downward isosceles triangular torso component plates 3, 5, and 7 are defined from the upper side horizontal fold lines L12, L13, and L14, and upward isosceles triangular torso component plates from the lower horizontal fold lines L28 and L29. 4 and 6, the lower side horizontal folding line L30 is designed so that the lower side horizontal folding line L30 'which is continuous at the time of forming the torso portion is the lower side, and the upward isosceles triangular torso forming plate 8 is partitioned and formed. It has been. On the right side of the downward isosceles triangular body part forming plate 1, an auxiliary body part forming plate 8 'surrounded by the slant cutting line L1 as a hypotenuse, the lower horizontal folding line L30' as a lower side, and the right side surrounded by the slant cutting line. Are connected. Further, the upper side horizontal fold line L11 'that is narrow on the left side is set as the upper side, and the torso inclined fold line L1' overlapping with the torso tilt fold line L1 is set as the oblique side, and a part of the left side inclined cutting line is changed to the narrow upper side horizontal fold line L11. An auxiliary torso component plate 1 ′, which overlaps on the inner surface with the downward isosceles triangular torso component plate 1, is provided on the left side of the upward isosceles triangular torso component plate 8. are doing.

  Above the upper horizontal folding lines L11, L12, L13, L14 and L11 ', top component plates 9, 13, 10, 14, 11, 15, 12, 16, 9', and 13 'are respectively provided continuously. Below the lower horizontal folding line L30 'and L27, L28, L29, L30, bottom component plates 17', 18, 19, 20, and 17 are respectively provided in series, and the downward facing isosceles triangular body component plate is further provided. Auxiliary fold lines L9 and L10 vertically bisecting 3 and 7 traverse the top constituent plates 10 and 12 from the top constituent fold lines L44 and L45, respectively, and extend across the bottom constituent fold lines L41 and L43. Note that a spout outlet mounting hole P is formed in the top component plate 11.

  In the manufacture of the third embodiment of the present invention, in the bonding step, the auxiliary folding lines L9 and L10 of the blank plate R are bent so that the right and left ends of the body are welded and bonded. Next, in a box making process, the body part forming plates are three-dimensionally formed using the body part inclined folding lines L1 to L8 to form a body octahedron. At this time, since each body component plate has an isosceles triangular shape, the square formed by the upper horizontal folding lines L11, L12, L13, and L14 and the square formed by the lower horizontal folding lines L15, L16, L17, and L18 are different from each other. , Is located at a 45-degree rotationally symmetric position, and the length obtained by multiplying the length of one side of the lower horizontal folding line by √2 is set as the length of one side of the upper horizontal folding line. The isosceles triangular body component plates 1, 3, 5, and 7 are formed substantially vertically. Next, predetermined bottom box making and welding are performed using the lower horizontal folding lines L15 to L18 and the bottom forming folding lines L31 to L43, and then the spout Q is welded to the spout mounting hole P formed in the top component plate 11. I do. Next, the content is filled from the upper opening of the paper container by a predetermined filling and packaging machine, and then a predetermined top box is formed using the upper side horizontal fold lines L11 to L14 and the top constituent fold lines L19 to L26 to perform a goebel top shape. Is formed and welded to complete. In this embodiment, the developed shape is tapered, and the folding angle of the top and bottom boxes is changed, which may cause molding defects or poor appearance. The inclined fold lines L19, L20, L21, L22 provided on 10 and 12 and the inclined fold lines L34, L35, L36, 137 provided on the bottom component plates 18 and 20 which are also folded inward are slightly moved toward the center of the container. It is desirable that the bent line bends in a curved manner.

  FIG. 8 is a front view showing the display state of the third embodiment. The shape assembled as described above is such that the downwardly-facing isosceles triangular torso constituting plates 1, 3, 5, and 7 are formed almost vertically. At the same time, the upwardly isosceles triangular torso body component plates 2, 4, 6, and 8 are torso portions tapered toward the bottom, and as shown in the figure, the downwardly-facing two-sided torso formed as shown in the figure. The isosceles triangular torso component plates are displayed in close contact with each other in a manner facing each other between containers, but from the front, the isosceles triangular torso components facing upward and to the left and right of the downward isosceles triangular torso component plate 5, respectively. The plates 6 and 4 will be visible.

  FIG. 9 is an exploded plan view of a paper container according to a fourth embodiment of the present invention. The blank plate R is formed by punching a sheet-like material which is made of paper as a base material and whose front and back surfaces are processed with a thermoplastic synthetic resin or the like. And a lower side horizontal fold line continuous with the substantially equal width L27, L28, L29, and L30 inscribed in the narrow L30 'and the circular arc, and the lower side horizontal fold line inscribed in the circular arc concentric with the circular arc. The upper side horizontal fold line which is continuous to L11, L12, L13, L14 of approximately equal width and L11 'of narrow width with the length obtained by multiplying one side of L27, L28, L29, L30 of approximately equal width by 、 2; In the torso surrounded by an inclined cutting line passing through the center point of the arc, the torso inclined fold lines L1 and L2 respectively hang from both ends of the upper side horizontal fold line L11, and the ends are the lower side horizontal fold lines L30 'and L27. Reaching the intersection of the downward facing isosceles triangular torso The construction plate 1 is defined and formed. On its left side, an upward isosceles triangular body component plate 2 whose lower side is the lower side horizontal folding line L27, whose body inclined tilting lines L2 and L3 are the oblique sides, and whose tip reaches the intersection of the upper side upper side horizontal folding lines L11 and L12. Sections are formed. Similarly, downward isosceles triangular torso component plates 3, 5, and 7 are defined from the upper side horizontal fold lines L12, L13, and L14, and upward isosceles triangular torso component plates from the lower horizontal fold lines L28 and L29. 4 and 6, the lower side horizontal folding line L30 is designed so that the lower side horizontal folding line L30 'which is continuous at the time of forming the torso portion is the lower side, and the upward isosceles triangular torso forming plate 8 is partitioned and formed. It has been. On the right side of the downward isosceles triangular body part forming plate 1, an auxiliary body part forming plate 8 'surrounded by the slant cutting line L1 as a hypotenuse, the lower horizontal folding line L30' as a lower side, and the right side surrounded by the slant cutting line. Are connected. Further, the upper side horizontal fold line L11 'that is narrow on the left side is set as the upper side, and the torso inclined fold line L1' overlapping with the torso tilt fold line L1 is set as the oblique side, and a part of the left side inclined cutting line is changed to the narrow upper side horizontal fold line L11. An auxiliary torso component plate 1 ′, which overlaps on the inner surface with the downward isosceles triangular torso component plate 1, is provided on the left side of the upward isosceles triangular torso component plate 8. are doing.

  Above the upper horizontal folding lines L11, L12, L13, L14 and L11 ', top component plates 9, 13, 10, 14, 11, 15, 12, 16, 9', and 13 'are respectively provided continuously. Below the lower horizontal folding line L30 'and L27, L28, L29, L30, bottom component plates 17', 18, 19, 20, and 17 are respectively provided in series, and the upward isosceles triangular body component plate is further provided. Auxiliary fold lines L9 'and L10' vertically bisecting 2 and 6 traverse the bottom constituent plates 18 and 20 from the top constituent fold lines L23 and L25, respectively, and extend across the bottom constituent fold lines L38 and L39. . Note that a spout outlet mounting hole P is formed in the top component plate 11.

  In the manufacture of the fourth embodiment of the present invention, the left and right ends of the trunk were welded and bonded flat by folding the auxiliary fold lines L9 'and L10' of the blank plate R in the bonding step. It becomes a tapered cylindrical body. As shown in FIG. 10, the top component plate 15 protrudes from the upper end of the top component plate 16 not shown in the figure, the top component plate 13 also projects from the upper end of the top component plate 14, and the bottom component plate 17 Are stuck to the tapered tubular body in a state of protruding from the lower end of the bottom component plate 19. Providing a top component plate and a bottom component plate projecting from the front and back surfaces of the tapered tubular body folded into a flat plate, respectively, is a feeder portion in a box making process, that is, a take-out portion of the tapered tubular body folded into the flat plate. In this case, it functions effectively as a clue for carrying out the three-dimensionalization by the body constituting plate, and enables a smooth carrying out operation. The bending, three-dimensional formation, and welding of each component plate in the box making process are substantially the same as those in the third embodiment, and thus description thereof is omitted. In addition, the shape after the completion of the box making and the display state are substantially the same as those in the third embodiment, and therefore the description thereof is omitted.

  FIG. 11 is an exploded plan view of a paper container according to a fifth embodiment of the present invention, in which a blank R is formed by punching a sheet-like material which is made of paper as a base material and whose front and back surfaces are processed with a thermoplastic synthetic resin or the like. And a lower side horizontal fold line continuous with the substantially equal width L27, L28, L29, and L30 inscribed in the narrow L30 'and the circular arc, and the lower side horizontal fold line inscribed in the circular arc concentric with the circular arc. The upper side horizontal fold line which is continuous to L11, L12, L13, L14 of approximately equal width and L11 'of narrow width with the length obtained by multiplying one side of L27, L28, L29, L30 of approximately equal width by 、 2; In the torso surrounded by an inclined cutting line passing through the center point of the arc, the torso inclined fold lines L1 and L2 respectively hang from both ends of the upper side horizontal fold line L11, and the ends are the lower side horizontal fold lines L30 'and L27. Reaching the intersection of the downward facing isosceles triangular torso The construction plate 1 is defined and formed. On its left side, the upward-sided isosceles triangular torso component plate 2 is defined in which the lower side horizontal folding line L27 is a lower side, and the torso inclined bending lines L2 and L3 are an oblique side, and the tip reaches the intersection of the upper side horizontal folding lines L11 and L12. Has formed. Similarly, downward isosceles triangular torso component plates 3, 5, and 7 are defined from the upper side horizontal fold lines L12, L13, and L14, and upward isosceles triangular torso component plates from the lower horizontal fold lines L28 and L29. 4 and 6, the lower side horizontal folding line L30 is designed so that the lower side horizontal folding line L30 'which is continuous at the time of forming the torso portion is the lower side, and the upward isosceles triangular torso forming plate 8 is partitioned and formed. It has been. On the right side of the downward isosceles triangular body part forming plate 1, an auxiliary body part forming plate 8 'surrounded by the slant cutting line L1 as a hypotenuse, the lower horizontal folding line L30' as a lower side, and the right side surrounded by the slant cutting line. Are connected. Further, the upper side horizontal fold line L11 'that is narrow on the left side is set as the upper side, and the torso inclined fold line L1' overlapping with the torso tilt fold line L1 is set as the oblique side, and a part of the left side inclined cutting line is changed to the narrow upper side horizontal fold line L11. An auxiliary torso component plate 1 ′, which overlaps on the inner surface with the downward isosceles triangular torso component plate 1, is provided on the left side of the upward isosceles triangular torso component plate 8. are doing.

  Above the upper horizontal folding lines L11, L12, L13, L14 and L11 ', top component plates 9, 13, 10, 14, 11, 15, 12, 16, 9', and 13 'are respectively provided continuously. Below the lower horizontal folding line L30 'and L27, L28, L29, L30, bottom component plates 17', 18, 19, 20, and 17 are respectively provided in series, and the downward facing isosceles triangular body component plate is further provided. Auxiliary fold lines L9 and L10 vertically bisecting 3 and 7 traverse the top constituent plates 10 and 12 from the top constituent fold lines L44 and L45, respectively, and extend across the bottom constituent fold lines L41 and L43.

  In the manufacture of the fifth embodiment of the present invention, the auxiliary folding lines L9 and L10 of the blank plate R are bent in the bonding step, so that the right and left ends of the body are welded and bonded, and the tapered tape is folded into a flat plate. Next, in a box making process, the body part forming plates are three-dimensionally formed using the body part inclined folding lines L1 to L8 to form a body octahedron. At this time, since each body component plate has an isosceles triangular shape, the square formed by the upper horizontal folding lines L11, L12, L13, and L14 and the square formed by the lower horizontal folding lines L15, L16, L17, and L18 are different from each other. , Is located at a 45-degree rotationally symmetric position, and the length obtained by multiplying the length of one side of the lower horizontal folding line by √2 is set as the length of one side of the upper horizontal folding line. The isosceles triangular body component plates 1, 3, 5, and 7 are formed substantially vertically. Next, predetermined bottom box making and welding are performed using the lower side horizontal fold lines L15 to L18 and the bottom configuration fold lines L31 to L43, and then, by a predetermined filling and packaging machine, the contents are filled from the upper opening of the paper container, Thereafter, predetermined top box making is performed using the upper side horizontal folding lines L11 to L14 and the top forming folding lines L19 to L26 to form a shape having a flat top called a flat top type as shown in FIG. At this time, the substantially triangular ear pieces formed by folding and welding the top component plates 14, 10, 16 and 12 from the top are respectively fixed to the downward isosceles triangular body component plates 3 and 7, respectively. It is completed.

  The fifth embodiment of the present invention is used as a relatively small-volume paper container, and is provided with a straw input hole having a closure at the top formed flat as described above, so that a straw can be poured out, Similarly, it can be used by using an existing pouring method such as raising the above-described substantially triangular ear piece, cutting out a part thereof, and pouring. In addition, since the top portion has a flat shape, the containers can be stacked, and the efficiency of the processing space for accumulation, transfer, storage, and the like can be improved.

FIG. 2 is a developed plan view of the first embodiment of the paper container according to the present invention. FIG. 2 is a perspective view showing a completed state of the first embodiment. FIG. 2 is a front view showing the display state of the first embodiment. FIG. 3 is a side view showing a use state of the first embodiment. FIG. 7 is an exploded plan view of a second embodiment of the paper container according to the present invention. FIG. 7 is an explanatory view showing a state of being folded and attached according to the second embodiment. FIG. 10 is an exploded plan view of a third embodiment of the paper container according to the present invention. Similarly, the front view which shows the exhibition state of 3rd Example. FIG. 14 is an exploded plan view of a fourth embodiment of the paper container according to the present invention. FIG. 13 is an explanatory view showing a state of the fourth embodiment folded and attached. FIG. 14 is a developed plan view of a paper container according to a fifth embodiment of the present invention. FIG. 17 is a perspective view showing a completed state of the fifth embodiment.

Explanation of reference numerals

1, 3, 5, 7 downward isosceles triangular torso constituting plate 2, 4, 6, 8 upward isosceles triangular torso constituting plate 1 ', 8' auxiliary torso constituting plate 9-16 top constituting plate 17- 20 Bottom component plate L1 to L8 Trunk inclined line L9, L10, L9 ', L10' Auxiliary line L11 to L14 Upper side horizontal line L15 to L18 Top horizontal line L19 to L26, L44, L45 Top structural line L27 to L30 Lower horizontal line L31 to L43 Bottom configuration bent line P Spout mounting hole Q Spout R Blank plate

Claims (6)

A square bottom component plate, four upward isosceles triangular torso component plates erected from each side of the bottom component plate, and provided between adjacent upward isosceles triangular torso component plates. Four downward isosceles triangular torso component plates, which connect two oblique sides and vertices of the upward isosceles triangular torso component plate adjacent to each other and are formed by one side of the bottom component plate and an upper side of the same size; And a square top component plate having the upper side of each of the downwardly isosceles triangular body component plates as a ridge line. A square bottom component plate, four upward isosceles triangular torso component plates erected from each side of the bottom component plate, and provided between adjacent upward isosceles triangular torso component plates. Four downward isosceles triangular torso component plates, which connect two oblique sides and vertices of the upward isosceles triangular torso component plate adjacent to each other and are formed by one side of the bottom component plate and an upper side of the same size; And a top component plate which is extended on the upper extension with each upper side of the downward isosceles triangular body component plate as a ridge line and sealed in a gable roof shape. A square bottom component plate, four upward isosceles triangular torso component plates erected from each side of the bottom component plate, and provided between adjacent upward isosceles triangular torso component plates. Four downward isosceles triangles formed by connecting two vertices and vertices of the adjacent upward isosceles triangular torso component plate with an upper side having a dimension obtained by multiplying one side of the bottom component plate by √2 A paper container comprising: a shape body component plate; and a square top component plate having the upper side of each downward isosceles triangular body component plate as a ridge line. A square bottom component plate, four upward isosceles triangular torso component plates erected from each side of the bottom component plate, and provided between adjacent upward isosceles triangular torso component plates. Four downward isosceles triangles formed by connecting two vertices and vertices of the adjacent upward isosceles triangular torso component plate with an upper side having a dimension obtained by multiplying one side of the bottom component plate by √2 It is characterized by comprising a torso component plate and a top component plate that extends on the upper extension with each upper side of each downward isosceles triangular torso component plate as a ridge line and is sealed like a gable roof. And paper container. The paper container blank plate according to any one of claims 1 to 4, wherein the paper is one of the bottom component plates extending on the lower extension with each lower side of the four upward isosceles triangular body component plates as a ridge line. When the container is made three-dimensional, the lower end sides of a pair of opposed bottom constituent plates are formed so as to protrude from the lower end sides of the other pair of opposed bottom constituent plates, and the four downward isosceles triangular torso portions are formed as the four pieces. Of the top component plates that extend on the upper extension with each upper side of the component plate as a ridge line, the top edges of a pair of top component plates facing each other when a three-dimensional paper container is formed are the other pair of opposing top components. An auxiliary fold line that is formed so as to protrude from the upper end side of the component plate and that vertically divides a pair of opposed upward isosceles triangular body component plates out of the upward isosceles triangular body component plates. Engraved paper container block Link plate. The paper container according to claim 1, wherein a spout is attached to a part of the top component plate.

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