JP5055994B2 - Assembly container - Google Patents

Description

  The present invention relates to an assembly type tray made of a sheet-like material such as paperboard, and more specifically, it is formed in a tray shape or a cup shape by a simple operation from a single blank board, and is prepared in a container such as instant noodles that can be stored for a long period of time. The present invention relates to an assembly container that can be used for eating.

Conventionally, paper containers used for baking bread and cakes have been used in the form of cardboard drawn and trayed containers obtained by folding cardboard and sticking or engaging and fixing corners. Such a tray-like container not only requires a mechanical process for manufacturing the container itself, but also has a high manufacturing cost, and is formed into a three-dimensional tray shape. It was what had. On the other hand, there has been proposed an assembly container that can be easily assembled by punching a paperboard and bending a blank board formed by processing such as a folding line (for example, Patent Document 1).
Japanese Utility Model Publication No. 52-067534

  The assembly container according to the device disclosed in the above-mentioned patent document 1 is “the side plate 2, the restraining piece 5 and the winding piece 6 are arranged in order on the upper and lower ends via a horizontal folding curve, and the vertical folding curve on the left and right ends. A bent piece 4 that is adjacent to the side plates 2 and 3 via the folding lines a and b is provided outside the four corner points 8 of the bottom plate 1 on which the side plate 3 is connected, and in the vicinity of the edge of the bent piece 4. An assembly container provided with a cut line 7 protruding toward the side plate 2 and having both ends connected to the end portions A and B of the equiangular folding curves C1 and C2 of the folding curves a and b. ” It can be easily assembled into a container just by bending the blank plate that is processed by pushing, so it can be stored and transported as a flat blank plate because it can be assembled at the time of use, and baked bread, cake, etc. are taken out Provide an assembly container that can be easily disassembled and expanded into a blank plate before assembly. There has been described.

  If it is a container for storing and baking doughs such as bread and cakes, the amount of liquid produced by the steam generated from the stored items or by steam generated during baking is small in quantity. Even in an assembly container, liquid leakage can be prevented and the assembly state can be maintained by deformation of the container caused by expansion of the dough due to baking. For example, a large amount of hot water is poured into the container like cooking instant noodles. In such a case, in the assembly container according to the above device, it is considered that liquid leaks from the lower end of the score line connected to the equiangular folding curve, and the assembly at the upper end of the container is caused by the increase in the container internal pressure due to a large amount of hot water. The state could not be maintained, and the container could be disassembled, and there was a risk of burns or fouling with hot water. In addition, although only a small part of the assembly part is composed of two or three layers of paperboard at the upper end of the container, most of the side boards gripped by the user are in a single layer of paperboard, so that the container cannot be gripped at a high temperature. Contains the drawbacks.

  Therefore, an object of the present invention is to solve the above-mentioned problem, and can be assembled and formed into a tray shape or a cup shape by a simple operation from a flat blank plate excellent in storage or preservability. An object of the present invention is to provide an assembly container that maintains an assembled state, does not cause inconvenience such as liquid leakage, and forms a heat insulating portion and is easy to grip.

In order to solve the above-mentioned problem, the invention according to claim 1 is characterized in that a front plate and a rear plate facing each other are connected to the front and rear sides of a rectangular bottom plate, and the inner plate is inserted into both sides of the front plate and the rear plate. The side plate is connected to the left and right sides of the bottom plate, the opposite side plates are connected to each other, the outer side of the side plate is connected to the outer folding piece, and the outer folding piece and the inner folding piece are connected to the bottom plate. The connecting corners are formed through folding lines extending radially outward from the four corners of the front plate, and the front plate and the rear plate are extended on the side plates and the inner side plates, respectively. An assembly container formed by assembling a front plate, a rear plate, and both side plates, and having an arcuate difference that bulges inwardly toward the side of the overlapping side plate connected to the front plate and the rear plate. A notch for insertion is perforated, and the front plate, the rear plate and both side plates are erected, The inner corner piece and the outer corner piece are overlapped by bending at the fold line of the connecting corner portion, respectively, and the overlapping inner plate and the overlapping side plate are folded and polymerized on the outer surfaces of the front plate and the rear plate, respectively, From the insertion notches at both ends of the overlapping side plates, the overlapping portions of the overlapping portions of the outer folding pieces and the inner folding pieces formed by being bent at the connecting corners adjacent to both side plates are overlapped. Inserted into the gap between the side plate and the overlapped inner plate, the connecting corner portion where the outer folded piece and the inner folded piece are overlapped is held and held between the gap portions on both ends of the overlapped inner plate and the overlapped side plate It is an assembly container characterized by being made.

The invention according to claim 2 is that the fold line between the four sides of the bottom plate and the front plate, the rear plate, and both side plates is the longitudinal center portion of the front plate, the rear plate and both side plates, and the front plate, 2. The assembly container according to claim 1, wherein the assembly container is formed by an arc-shaped broken line that becomes a maximum bulging portion in the direction of the rear plate and the both side plates .

The assembly container of the present invention is composed of a flat blank plate obtained by punching a sheet-like material such as paperboard, and can be assembled into a tray shape or a cup shape by a simple operation when necessary, so it is useless for storage and transportation. Space is not required. Moreover, after use, it can be easily made into a flat blank state by the reverse procedure of the assembly operation, and the volume can be reduced quickly upon disposal.
Between each side wall of the tray-shaped or cup-shaped container is composed of web corner type connecting corners from the lower end to the upper end, there is no unnecessary notch etc., no liquid leakage occurs, and by reassembly operation Since the locking is strong, the container is not easily disassembled even if the pressure from the inside of the container is increased by injecting a large amount of liquid.

  Furthermore, on the outer side surface of the rear plate facing the front plate constituting the container side wall, a polymerization side plate and a polymerization inner plate extending from the upper end of the front plate and the rear plate are folded and polymerized, and the polymerization side plate and In the gaps at both ends of the overlapping inner plate, the overlapping portions of the outer folding pieces and inner folding pieces formed by being bent at the connecting corners adjacent to the both side plates are sandwiched and locked, and the front plate and the rear plate Since this part becomes a heat insulation part of a laminated structure, it becomes easy to hold the container when cooking or eating hot food.

  In addition, by using arc-shaped fold lines that bulge and curve outward at the peripheral edges of the bottom plate, the front plate, rear plate, and both side plates that are formed rising from the bottom plate have tension in the container outward direction, so that the resilience elasticity Since the assembly state of the container can be maintained by suppressing the deformation of the front plate, the rear plate, and both side plates, the container is deformed by the pressure from the inside and the assembly state is released. The decomposition state of can be suppressed.

The present invention will be described in detail below with reference to the drawings. FIG. 1 is a developed plan view showing a blank state of an embodiment of an assembly container according to the present invention. FIG. 2 is an explanatory perspective view showing the bent state of the embodiment. FIG. 3 is an explanatory perspective view showing a state during the assembly of the embodiment. FIG. 4 is an explanatory perspective view showing the assembled state of the embodiment. FIG. 5A is an explanatory perspective view showing a blank state of another embodiment according to the present invention. (B) is a well explanatory perspective view showing an assembly completion state of the other embodiments.

  FIG. 1 is a developed plan view showing a blank state of an embodiment of an assembly container according to the present invention. A blank P formed by punching a sheet material such as paperboard is composed of a rectangular bottom plate 1 and four rounds thereof. Outer trapezoidal front plate 2, rear plate 3 and both side plates 4, 4 are connected through fold lines L 1, L 1 and L 2, L 2, respectively, and are connected to both sides of front plate 2 and rear plate 3. Are respectively provided with inner folding pieces 5 via folding lines L3, and both sides of the both side plates 4, 4 are provided with outer folding pieces 6 via folding lines L4, respectively, and the respective inner folding pieces. 5 and the outer folding piece 6 form connecting corners through folding lines L5 extending radially outward from the four corners of the bottom plate 1, and the folding lines L6 are formed on the extensions of the front plate 2 and the rear plate 3, respectively. And polymerization side plate 7 and polymerization inner plate 8 via L7 Is set, and an arcuate insertion notches a side end is bulging curved inward each of the respective polymerized plates 7 drilled formation.

  FIG. 2 is an explanatory perspective view showing the folded state of the embodiment, and FIG. 3 is an explanatory perspective view showing an assembled state in the embodiment. When assembling from the blank P, the folding lines L1, L1, and L2 are first shown. The front plate 2, the rear plate 3, and the side plates 4, 4 are erected by folding the L2, and the inner folding pieces 5 and the outer folding pieces 6 forming the connecting corners are folded at the respective folding lines 3. Then, each of the folding lines 5 is folded in a mountain and is in a state of being folded outward in a tray shape. Next, each overlapping inner plate 8 valley-folds the folding line L7 and superimposes it on the overlapping side plate 7. The overlapping side plate 7 valleys the folding line L6 and bends toward the outer surface of the front plate 2 and the rear plate 3, respectively. The respective superposed inner plates 8 are superposed on the outer surfaces of the front plate 2 and the rear plate 3 to be in the state shown in FIG.

  As shown in FIG. 3, the front plate 2, the rear plate 3, and the side plates 4, 4 are substantially upright from the four circumferences of the bottom plate 1, and the overlapping inner plate 8 and overlapping side plate 7 are bent in order to The inner folding piece 5 and the outer folding piece 6 that form the respective connecting corners in a state of being substantially polymerized on the outer surface of the back plate 3 are in a substantially polymerized state that is folded at the fold line L5. The fold line L4 is folded in a mountain and the protrusions at the connection corners in the substantially overlapped state are inserted into the gaps between the overlap side plate 7 and the overlap inner plate 8 from the insertion notches a on both ends of the overlap side plate 7. As a result, the connecting corner portion in the overlapped state is held in the gap portion and locked, and the assembly of the embodiment shown in FIG. 4 is completed.

  FIG. 5 (A) is an explanatory perspective view showing a blank state of another embodiment according to the present invention. A blank P ′ formed by punching a sheet material such as paperboard is a peripheral edge of a substantially rectangular bottom plate 11. A substantially inverted trapezoidal front plate 12, rear plate 13 and both side plates 14 and 14 are connected to each other via arcuate fold lines L11, L11 and L12, L12 that bulge outward on the sides, respectively. Inner fold pieces 15 are connected to both sides of the rear plate 13 via fold lines L13, and outer fold pieces 16 are connected to both sides of the side plates 14, 14 via fold lines L14. In addition, the inner folding pieces 15 and the outer folding pieces 16 form connecting corners via folding lines L15 extending radially outward from the four corners of the bottom plate 11, and the front plate 12 and the rear plate 13 On the extension, fold lines L16 and L, respectively 7, a polymerization side plate 17 and a polymerization inner plate 18 are connected to each other, and both side ends of the respective polymerization side plates 17 are formed by drilling arc-shaped insertion notches a ′ that bulge inwardly and curve. ing.

FIG. 5B is an explanatory perspective view showing the assembled state of the other embodiment. Although not shown, when assembling from the above-described blank P ′, first, the arcuate folding lines L11 and L11 of the four rounds of the bottom plate 11 are firstly shown. The front plate 12, the rear plate 13, and the side plates 14 and 14 are erected by folding the L12 and L12 in a mountain, and the inner folding pieces 15 and the outer folding pieces 16 that form the connecting corners are respectively connected to the folding lines L13. Is folded, and the fold line L15 is folded in a mountain, and the tray is folded outward. Next, each overlapping inner plate 18 folds the folding line L17 to be superposed on the overlapping side plate 17, and the overlapping side plate 17 folds the folding line L16 to the outer surface direction of the front plate 12 and the rear plate 13, respectively. The respective inner overlapping plates 18 are superposed on the outer surfaces of the front plate 12 and the rear plate 13, and the inner folding pieces 15 and the outer folding pieces 16 forming the respective connecting corners are bent along the folding line L15. Next, the respective bent lines L14 are folded in a mountain so that the projections at the connection corners in the substantially polymerized state are polymerized from the insertion notches a ′ on both side ends of the polymerized side plate 17. By inserting into the gap between the side plate 17 and the overlapped inner plate 18, the connection corner in the overlapped state is sandwiched and locked in the gap, and the assembly is completed.
At this time, the central portion of the bottom plate 11 becomes higher than the four corners due to the bending of the arcuate folding lines L11, L11 and L12, L12, and the front plate 12, the rear plate 13, and the side plates 14, 14 are arranged in the outer circumferential direction. It becomes a gently curved surface that maintains an arcuate tension.

The expansion | deployment top view which shows the blank state of the Example of the assembly tray which concerns on this invention. The perspective view for explanation which shows the bent state of an example similarly. The perspective view for explanation which shows the state in the middle of an assembly of an example similarly. The perspective view for explanation which shows the assembly completion state of an example similarly. (A) The perspective view for description which shows the blank state of another Example. (B) The explanatory perspective view which shows the assembly completion state of another Example similarly .

Explanation of symbols

P, P ', P "Blank 1, 11, 101 Bottom plate 2, 12, 102 Front plate 3, 13, 103 Rear plate 4, 14, 104 Side plate 5, 15, 105 Inner folding piece 6, 16, 106 Outer folding piece 7, 17, 107 Superposed side plate 8, 18, 108 Superposed inner plate a, a ', a "Notch for insertion L1-L7, L13-L17, L103-L107 Folded line L11, L12, L101, L102 Arc-shaped bent line L108 Insertion Auxiliary fold line

Claims (2)

Opposite front and rear plates are connected to the front and rear sides of the rectangular bottom plate, inner folding pieces are connected to both sides of the front and rear plates, and the left and right sides of the bottom plate are opposed to each other. Side plates are connected to each other, and external folding pieces are continuously provided on both sides of the side plates, and the outer folding pieces and the inner folding pieces are connected to each other via folding lines extending radially outward from the four corners of the bottom plate. Forming an upper part, and a front side plate and a rear side plate on the extension of the front plate and the rear plate, respectively. An arc-shaped insertion notch that bulges inwardly and bulges in the container and is connected to the front plate and the rear plate at both ends of the overlapping side plate ,
The front plate, the rear plate and both side plates are erected, and the inner fold piece and the outer fold piece are respectively overlapped by bending at the fold line of the connecting corner portion, and the polymerization is performed on the outer surface of the front plate and the rear plate, respectively. Inner plate, the polymerization side plate is folded and polymerized,
The protrusions of the overlapping portion of the outer folding piece and the inner folding piece formed by being bent at the connecting corners adjacent to the both side plates from the notch portions for insertion on both side ends of the overlapping side plate, Inserted into the gap between the overlap side plate and the overlap inner plate, the connecting corner portion where the outer fold piece and the inner fold piece are overlapped is sandwiched and locked between the gap portions on both sides of the overlap side plate and the overlap side plate An assembly container characterized by being made. The fold line between the four sides of the bottom plate and the front plate, the rear plate, and both side plates is the maximum in the longitudinal direction center portion of the front plate, the rear plate, and both side plates, in the direction of the front plate, rear plate, and both side plates. The assembly container according to claim 1, wherein the assembly container is formed by an arc-shaped broken line that becomes a bulging portion .

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