JPH0717537U - Container for foods, etc., integrated paper board for molding the container, and mold for molding the container - Google Patents

Abstract

(57) [Abstract] [Purpose] By assembling the cut unit paperboard by applying heat and pressure to the continuous paperboard, the structure is simple and the production is easy, and even if it is disposable, it does not pollute the environment. Get the container. [Structure] Bottom surfaces A1, B1 and front sides A2, which are connected to the four sides
B2, rear sides A3, B3 and side edges A4, B4, front edges A5, B5, rear edges A6, B6 and side edges A7, B7 connected to these, and the front side and rear side are continuously connected Unit paperboards A and B composed of folding ears A8 and B8 are connected in series, and the integrated paperboard 10 obtained by this connection is put in a molding die and the folding lines a, b, c,
Bend along d to obtain a container.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a container for foods, etc., which is convenient for carrying foods, is hygienic, does not worry about environmental pollution, and has a simple structure, an integrated paper board for molding the container, and a mold for molding the container.

[0002]

[Prior art]

 Conventionally, what is used as a portable and convenient container in the food industry is plastic tableware made of highly contaminated polystyrene and a hard and brittle polytereph thalate.

The plastic tableware as described above cannot be colored precisely on its surface, and the added value of the container cannot be increased.

[0004]

[Problems to be solved by the device]

 The present invention is hygienic by integrally folding a fiber waterproof paper board, pressing it with a mold, and molding the container by heating and pressure bonding, and is suitable for foods, etc. that have no concern of environmental pollution even if they are torn and discarded after the container is used. It is intended to obtain a container, and to obtain an integrated paper board for molding the container and a mold for efficiently and easily molding the container. Another object of the present invention is to increase the added value of the container by allowing the surface of the container to be directly colored and used for advertisement because it is a container made of fiber waterproof paperboard.

[0005]

[Means for Solving the Problems]

 An integrated paper board for molding a container for food or the like according to the present invention has a trapezoidal front side, a rear side and a side each having one side and two sides connected to each edge of a rectangular bottom. A front edge, a rear edge, and a side edge are connected to each outer edge of the front side, the rear side, and the side edges, and triangular ears are provided on both end edges of the front side and the rear side. Two unit paperboards in which parts are connected to each other, rear edges of the unit paperboards are connected to each other to form an integrated paperboard, and one of the front edges has a stop protrusion on the other. It consists of forming a stop hole and using a fiber waterproof paper board of appropriate thickness.

In addition, the container for food or the like of the present invention uses the integrated paper board according to claim 1, and the front side, rear side and side of each peripheral edge of the bottom face along the fold line of the continuous boundary portion with the bottom face. Bending upward so as to surround the bottom surface, bending the folding ears inward along the fold line of the continuous boundary with the front side or the back side, front edge, rear edge And the side edges are respectively bent outward along the fold lines of the continuous boundary portions with the front side, the rear side, and the side sides, and by the above-mentioned bending, two tray-shaped food storage parts, etc. Forming, a crimping of the folding ears to the adjacent side edges, and bending along the continuous boundary portions of the trailing edges that are continuously connected to each other, and the two food container accommodating portions can be freely opened and closed. , And insert the retaining lug into the retaining hole.

[0007] Furthermore, the metal mold for molding a container for food or the like of the present invention comprises a female mold having two adjacent rectangular concave portions and two adjacent rectangular convex portions fitted in the concave portions. In addition, it comprises a male die in which heating portions are provided at both ends of opposite sides of the rectangular convex portion, and extrusion protrusions are provided between the adjacent rectangular convex portions.

[0008]

[Action]

 A unit paper board consisting of a bottom surface, a front side, a rear side and a side side connected to the bottom side, a front edge, a rear edge and a side edge connected to the bottom side, and a pair of folded ears connected to the front side and the rear side. By using a molding die to fold the two integrated paperboards in a row along each fold line, a simple structure makes it easy to carry and has a strong container for food and the like. Can be molded.

Further, since this container is made of a fiber waterproof paper board, there is no concern about environmental pollution, and precise color printing is possible. Further, since the heating part capable of heating under pressure is provided in a part of the male mold, the folded part generated in the process of molding the container can be easily adhered by pressure and heat.

[0010]

【Example】

 The present invention utilizes a fiber waterproof paper board having an appropriate thickness, and the paper board complies with the FDA (Food & Drug Administration) regulations of the United States. In FIG. 1, A and B are unit paperboards, which are integrally connected to form an integrated paperboard 10. Next, the structure will be specifically described with reference to the drawings.

[0011] Among all the peripheral edges of the front, rear and side edges of the rectangular bottom surfaces A1 and B1, front edges A2 and B2 are connected to the front edge and rear edge A3 is attached to the rear edge. , B3 are connected in series, and side edges A4, B4 are connected in series on the edges of both sides. The boundary part of these continuous arrangements is a fold line a. Triangular folding ears A8 are connected to both edges of the front side A2 and rear side A3, and triangular folding ears B8 are connected to both edges of the front side B2 and rear side B3. It A boundary line between these continuous lines is a fold line b.

Further, a front edge A5, a rear edge A3, and a side edge A4 are connected to a front edge A5, a rear edge A6, and a side edge A7, respectively, and a front edge B2, a rear side B3, and a side edge B4 are connected to the front side. The edge B5, the trailing edge B6, and the side edge B7 are arranged in series. A boundary line between these continuous lines is a fold line c. The lengths of the front edges A5, B5, the rear edges A6, B6 and the side edges A7, B7 are respectively longer than the lengths of the outer edges of the front sides A2, B2, the rear sides A3, B3 and the side edges A4, B4, respectively, and are longer than the outer edges. Somehow protruding. Further, the front edge A5 is formed with a catching protrusion A9, and the front edge B5 is formed with a catching hole B9.

Referring to FIG. 2, a molding die for manufacturing the container for food or the like of the present invention will be described. Reference numeral 17 denotes a male die, which is the front side, rear side and both sides of the trapezoid corresponding to the dimensions of the front side, the rear side and both sides of the unit paper board A or B in FIG. 1 and the unit paper board A or B in FIG. Adjacent to each other are two projections 18 consisting of an outer surface formed by the bottom surface of a rectangular plane corresponding to the dimensions of the bottom surface of the. The reference numeral 15 designates a female die, which has a concave portion 16 formed by an inner surface formed by the front side, rear side and both sides of the trapezoid corresponding to the convex portion 18 of the male die 17 and the bottom surface of the rectangular plane. They are provided adjacent to each other, and when the male die 17 is overlaid on the female die 15 and pressed, the convex portion 18 is just fitted into the concave portion 16. Further, triangular heating portions (heat source portions) 19 are provided at both ends of both sides of the convex portion 18, respectively. Further, 20 has a function that the trailing edges A6 and B6 located between the two convex portions 18 and 18 are pressed and flattened in the molding process.

Next, a process of manufacturing the container of the present invention using the above molding die will be described. First, the paper board 10 is placed on the female mold 15 by an automatic feeder, and pressure is applied from above by the male mold 17. At this time, the four rounds of the top surface of the convex portion 18 are exactly aligned with the four rounds of the bottom surfaces A1 and B1 of the integrated paper board 10, and the bottom surfaces A1 and B1 are press-fitted into the concave portions 16 of the female die 15 to form the folding ear. Since the parts A8 and B8 are connected to the front sides A2 and B2 and the rear sides A3 and B3, the bottom surfaces A1 and B1 fit into the recesses 16 when the protrusion 18 is press-fitted. The front sides A2, B2, the rear sides A3, B3 and the side sides A4, B4 are bent upward through the four edges of the recess 16 of the female die 15.

Further, since the folding ears A8, B8 are longer than the width of the recess 16, the folding ears A8, B8 are bent inward by the folding line b. The above manufacturing process is shown in the order of FIG. 3 → FIG. 4 → FIG. 5, and finally two consecutive trays are formed as shown in FIG. The folded ears A8, B8 are continuously connected to the front sides A2, B2 and the rear sides A3, B3 and are folded to overlap the adjacent side sides A4, B4, respectively, and the front edges A5, B5 and rear The protrusions at both ends of the edges A6 and B6 overlap with the protrusions at both ends of the adjacent side edges A7 and B7, respectively, and are in a horizontally extended state.

When the convex portion 18 of the male die 17 is completely press-fitted into the concave portion 16 of the female die 15, the heating portion 19 of the convex portion 18 generates a high temperature, and the press-fitted close contact is generated. Combined with the pressure of, the folded ears A8, B8 and the sides A4, B4 are tightly crimped to form a solid tray.

After two adjacent trays are formed as shown in FIG. 5, two trays are folded along the folding line d of the trailing edges A6 and B6 to form one tray. A container 22 for food or the like having a solid and beautiful shape is completed.

When the container 22 is folded and folded, the front edge A5 and the front edge B5, the rear edge A6 and the rear edge B6, and the side edge A7 and the side edge B7 are exactly overlapped with each other, so that the tightness of the container is high. can do. Finally, by inserting the catching protrusion A9 into the catching hole B9, it can be locked by the frictional force of the paper board.

Although it is impossible to perform precise color printing on the surface of a conventional polystyrene container, the container of the present invention can be directly printed on the surface by using a colored drawing or characters, such as a poem. Since it is possible to easily print advertisements such as ridges, proverbs, fairy tales, various activities or slogans, it is possible to increase the added value of the container.

Further, the above description given with reference to the drawings is only one embodiment of the present invention, and the present invention is not limited to the above embodiments, and various design changes may be made within the scope of the object. It goes without saying that you can do it.

[0021]

[Effect of device]

 Square bottom, front side connected to the periphery of the bottom, rear side and side, front side, front side connected to the back and side, rear edge and side edge, the front side and Since it is an integrated paper board that is made up of two unit paper boards that are composed of folding ears that are connected to the rear side, it is a simple structure that is easy to carry and has a strong container such as food. .

Further, since this container is formed by bending and molding a fiber waterproof paper board, unlike a conventional polystyrene product, there is no fear of environmental pollution even if it is torn after use. In addition, the precision printing of coloring can be easily applied to the surface of the container, so that the added value of the container can be increased.

Further, the container molding die of the present invention is provided with a female die having two adjacent rectangular recesses, and two adjacent rectangular protrusions fitted in the recesses and the paper board being folded. Since it is composed of a male mold provided with a heating part for heating the portion to be folded and folded under pressure, the container can be molded extremely easily and efficiently.

[Brief description of drawings]

FIG. 1 is a plan development view of an embodiment of an integrated paper board of the present invention.

FIG. 2 is a perspective view of an embodiment of a container molding die used to manufacture a container for food or the like according to the present invention.

FIG. 3 is a perspective view showing the initial state of molding of the container of the present invention.

FIG. 4 is a perspective view of an embodiment showing a state during molding of the container of the present invention.

FIG. 5 is a perspective view of an embodiment showing a state after completion of molding of the container of the present invention.

FIG. 6 is a perspective view of an embodiment of the container of the present invention.

[Explanation of symbols]

 A, B Unit paper board A1, B1 Bottom surface A2, B2 Front side A3, B3 Rear side A4, B4 Side side A5, B5 Front edge A6, B6 Rear edge A7, B7 Side edge A8, B8 Folding ear A9 Locking protrusion B9 Locking holes a, b, c, d Folding line

Claims (3)

[Scope of utility model registration request] 1. A trapezoidal front side and rear side each having one side and two side sides connected to each peripheral edge of a rectangular bottom surface, and at the outer edges of the front side, rear side and side sides. The front edge, the rear edge, and the side edge, and two unit paperboards in which triangular edges for folding are connected to both the front and rear edges. A container for food or the like using a fiber waterproof paper board having an appropriate thickness in which a paper board is integrally formed by being connected to each other at an edge, and a pulling stop projection is formed on one of the front edges and a pulling stop hole is formed on the other side. An integrated paper board for molding. 2. The integrated paper board according to claim 1, wherein the front side, the rear side and the side of each peripheral edge of the bottom face are surrounded by the fold line of the continuous boundary portion with the bottom face so as to surround the bottom face. And the folding ears inward along the fold line of the front-side or rear-side continuous boundary portion, and further the front edge, the rear edge and the side edge are the front side, the rear side and Folding outward along the fold line of each continuous boundary portion with the side edge to form two tray-like food storage portions, and the fold ear portion on the adjacent side edge. A container for food or the like, which is crimped and folded along the continuous boundary portions of the trailing edges that are connected to each other, and the two food product accommodating portions are superposed so as to be openable and closable, and a catching protrusion is inserted into the catching hole. 3. A female mold having two adjacent rectangular recesses and two adjacent rectangular protrusions respectively fitted in the recesses, and both ends of opposite sides of the rectangular protrusions. 3. A mold for molding a container for food or the like according to claim 2, wherein the mold is a male mold in which a heating portion is provided on each of the two, and an extrusion protrusion is provided between the adjacent rectangular convex portions.