JP4686058B2 - Carton for microwave oven - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a carton for a microwave oven that stores frozen foods such as frozen fries, pizza, and takoyaki that are cooked and eaten in a microwave oven at a store or at home, and more specifically, efficiently heated in a microwave oven. The present invention relates to a carton for a microwave oven that can be cooked.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, a carton for a microwave oven that stores frozen foods that are cooked and eaten in a store or at home in a microwave oven, for example, frozen French fries, pizza, takoyaki, etc., has a rectangular parallelepiped shape as illustrated in FIG. The carton α is often used, and the usage mode is that it is cooked as it is in a microwave oven.
[0003]
Such a rectangular parallelepiped carton α is not shown, but has a form in which a plurality of steam vent holes are provided in the top plate 2 ′ or the like, or a form in which no steam vent holes as shown in FIG. 5A are provided. 5 and a configuration having a plurality of steam vent holes is cooked as it is in a microwave oven, and a configuration having no steam vent holes is as shown in FIG. 5 (b). And opening means 90 such as a perforation rule provided on the boundary line between the adhesive margin piece 5 ′ and the margin piece 5 ′ (the adhesive margin piece 5 ′ is glued to the inner surface of the side plate 1 ′). 'Opened and cooked in a microwave.
[0004]
In any of the above cases, the carton α is directly placed on the turntable equipped in the microwave oven and cooked, but when placed directly on the turntable in this way, the freezing that is cooked and cooked due to the characteristics of the microwave oven. There were problems such as uneven heating in foods and poor heating efficiency. (From the characteristics of the microwave oven, instead of placing it directly on the turntable, if it can be placed floating on the turntable, it will cause uneven heating. Can be eliminated and heating efficiency can be improved).
[0005]
Also, depending on the type of frozen food to be used in the microwave oven, a microwave oven heating sheet that is baked or burnt is attached to the bottom of the carton for the purpose of improving the appearance or taste and texture. The attached carton is used. When a carton with a microwave heating sheet with such a microwave heating sheet attached to the bottom or the like is placed directly on the turntable equipped in the microwave and cooked, the frozen food is cooked and the microwave generates heat. When the sheet is heated, the surface of the frozen food is burnt or burnt, but the bottom of the carton is heated at the same time, and when it is severe, it is beautifully provided to increase the appeal to the buyer on the carton surface. There was a problem that the pattern printing consisting of characters such as the pattern and usage was transferred to the turntable. In particular, when the carton is made of polyethylene / paper / polyethylene, the transfer of the pattern printing to the turntable was more prominent.
[0006]
[Problems to be solved by the invention]
Therefore, the present invention has been made in view of the above problems, and an object thereof is to provide a carton for a microwave oven that does not cause uneven heating and can improve heating efficiency.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, the inventor of the present invention described in claim 1 includes a side plate 1, a top plate 2, a side plate 3, a bottom plate 4, and an adhesive margin piece 5 with folds 12, 23, 34, 45, the upper and lower openings of the cylindrical body having a rectangular cross-section in which the side plate 1 and the adhesive margin piece 5 are bonded together are connected in a direction perpendicular to the folding lines 12 and 23 of the top plate 2. In the rectangular parallelepiped-shaped microwave oven cartons A and B sealed with the upper and lower surface flaps 20 connected to the end side via the crease 123, the substantially center part of the end of the side plate 1 facing the crease 12 The notch 50 and the notch 50 are formed on the side of the crease 12 from the leading ends of the notches 50, and the notch 50 and the notch 51 are separated by the notch 50. A flap 60 is formed and further separated from the respective tips of the knob cuts 51. The Orikei 12 the side plate in a direction perpendicular to the Orikei 12 and 23 from each end point extending a predetermined length side 1, the top plate 2, extending to the side plate 3 and the forward, front SL side plates as 3. Opening cut lines 52 that converge on the both ends of the creases 70 formed in parallel to the creases 23 and 34 are formed on the crease 34 side from the center line of the creases 23 and 34. Then, a lid / leg plate 61 partitioned by the opening cut line 52 and the crease 70 is formed, and the knob portion / insertion flap 60 is formed on the adhesive margin piece 5 corresponding to the knob / insert flap 60. This is characterized in that a notch 80 for insertion is formed. By comprising in this way, the knob | pick part and insertion flap 60 can be easily picked with a finger | toe, and by picking up the said knob | pick part and insertion flap 60 continuously from the top plate 2 to the side plate 3 side, The lid / leg plate 61 can be opened along the opening cut line 52 from the knob part cut 51, and a large opening can be obtained. Further, the lid / leg plate 61 is formed on the side plate 3 in a folded manner. By folding back to the bottom plate 4 side with the ruled line 70 and engaging the knob / inserting flap 60 into the insertion cut 80, the bottom plate 4 is placed on a turntable equipped in a microwave oven in a state of floating. can do. Thereby, heating efficiency can be improved without causing uneven heating.
[0008]
Further, electronic oven carton A, in B, more and this said Orikei 70 is formed on the Orikei 34 side from the center line of the Orikei 34 and the Orikei 23, more securely bottom The face plate 4 can be placed on the turntable in a floating state.
[0009]
Further, an invention according to claim 2, claim 1 Symbol placement of microwave cartons A, in B, and open to the difference write a notch 80 side to the margin piece 5 of the Orikei 45 side substantially U This is characterized in that an opening start means 81 composed of a U-shaped opening for cutting or an opening half-cut line is formed. In this manner, the opening start means 81 is provided, and by picking up and pulling the knob portion / insertion flap 60 with fingers, the portion defined by the opening start means 81 and the insertion cut 80 is Since all or the surface layer on the side plate 1 side of the adhesive margin piece 5 is cut or peeled off integrally with the knob / insertion flap 60 between the paper layers, a smoother and more reliable opening can be promised.
[0010]
The invention of claim 3, wherein the said the claim 1 or 2 either to the serial mounting of microwave cartons A, in B, were affixed microwave heating sheet on the inner surface of the bottom plate 4 To do. By configuring in this way, it is possible to add burnt and burnt marks, and a pattern print consisting of characters such as beautiful patterns and usage methods provided on the carton surface to enhance the appeal to buyers. Can be prevented from being transferred to the turntable.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
The above-described present invention will be described in detail below with reference to the drawings.
1 is a partially cutaway perspective view showing an embodiment of a carton for a microwave oven according to the present invention, FIG. 2 is a development view of FIG. 1, and FIG. 3 shows another embodiment of the carton for a microwave oven according to the present invention. FIG. 4 is a perspective view for explaining a use state of a microwave oven carton according to the present invention, and FIG. 5 is a perspective view for explaining a conventional microwave oven carton. A and B are cartons for microwave ovens, A ′ and B ′ are blank plates, 1 and 3 are side plates, 2 is a top plate, 4 is a bottom plate, 5 is a glue piece, 12, 23, 34, 45 and 70 , 123, 234, and 345 are creases, 20 is an upper and lower surface flap, 30 is an upper and lower back flap, 40 is an upper and lower folding flap, 50 is a notch, 51 is a knob cut, and 52 is an opening score line, 60 is a knob and insertion flap, 80 is a notch for insertion, 81 is an opening start means Respectively.
[0012]
FIG. 1 is a partially cutaway perspective view showing an embodiment of a carton for a microwave oven according to the present invention. The carton A for a microwave oven is made of paper or a paper-based substrate, and includes a side plate 1 and a top plate. 2, the side plate 3, the bottom plate 4, and the adhesive margin piece 5 are sequentially connected via the creases 12, 23, 34, and 45, and the side plate 1 and the adhesive margin piece 5 are bonded to each other. A rectangular parallelepiped carton in which the upper and lower openings of the body are sealed with upper and lower surface flaps 20 connected to the edges of the top plate 2 in the direction perpendicular to the creases 12 and 23 via the creases 123; The side plate 1 is formed with two notches 50 at the substantially central part of the side facing the crease 12 and a notch 51 for the knob on the side of the crease 12 from the respective leading ends of the notches 50. A knob portion / insertion flap 60 defined by the notch 50 and the knob portion notch 51 is formed. Further, the side plate 1 in a direction perpendicular to the creases 12, 23 from the respective end points extending to the crease 12 side so as to be separated from the respective tips of the notch 51 for the knob portion, Opening that extends in the order of the top plate 2 and the side plate 3 and converges at both end portions of the crease 70 formed in parallel to the creases 23 and 34 at the substantially central portion of the side plate 3 in the side plate 3. A lid and leg plate 61 is formed by forming a cut line 52 and partitioned by the opening cut line 52 and the crease 70, and the tab 5 corresponding to the knob and insertion flap 60 is picked. The insertion cut 80 for engaging the part / insertion flap 60 is formed. The notch 50 is not limited to the V shape shown in FIG. 1, and may take an appropriate shape such as an I shape that is easy to tear.
[0013]
FIG. 2 is a development view of FIG. 1. In the carton A for microwave oven, the side plate 1, the top plate 2, the side plate 3, the bottom plate 4, and the adhesive margin piece 5 have the creases 12, 23, 34, 45. Are sequentially connected to each other, and folds 234 are formed on respective side edges of the side plate 1, the top plate 2, the side plate 3, and the bottom plate 4 in the direction orthogonal to the folds 12, 23, 34, 45. 123, 234, and 345, the upper and lower folding flaps 40, the upper and lower surface flaps 20, the upper and lower folding flaps 40, the upper and lower back flaps 30 are connected to each other, and the side edge of the side plate 1 facing the folding line 12 The notch 50 is formed at the center of the notch 50 and a notch 51 for the knob is formed on the side of the crease 12 from the tip of each of the notches 50, and is divided by the notch 50 and the notch 51 for the knob. Forming the knob and plug flap 60, and further cutting the knob The side plate 1, the top plate 2, the side plate in a direction perpendicular to the creases 12, 23 from respective end points extending to the crease 12 side by a certain length so as to be separated from the respective ends of the folds 51. 3, and in the side plate 3, opening cut lines 52 that converge at the both ends of the creases 70 formed in parallel to the creases 23 and 34 are formed at the substantially central portion of the side plate 3, respectively. A lid / leg plate 61 defined by the opening cut line 52 and the crease 70 is formed, and the knob portion / insertion flap 60 is engaged with the glue margin piece 5 corresponding to the knob / insert flap 60. It can obtain by assembling blank board A 'which formed notch 80 for insertion. The crease 70 formed on the side plate 3 is preferably formed on the crease 34 side with respect to the center line of the crease 23 and the crease 34 for reasons described later.
[0014]
In order to assemble the blank plate A ′ into a carton A for a microwave oven, first, the bottom plate 4 and the adhesive margin piece 5 are folded on the top plate 1 by the crease 34 of the blank plate A ′. In addition, the side plate 1 is folded on the adhesive margin piece 5 by the crease 12, and the side plate 1 and the adhesive margin piece 5 are bonded with an adhesive (indicated by a broken line (h) in FIG. 2). A boxed product is prepared, and then the boxed product is opened at the creases 12, 23, 34, 45 to store the frozen food as the contents, and then the upper and lower folded flaps 40 are folded. The upper and lower back flaps 30 are folded inward by the folds 345 and the upper and lower surface flaps 20 are folded on the upper and lower back flaps 30 by the folds 123 and folded. Front flap 20 and upper and lower back flaps 0 and by adhering with an adhesive, it is possible to microwavable carton A of the present invention shown in FIG. In addition, you may perform the weak adhesion | attachment process just like applying silicone etc. to the pick part and insertion flap 60 surface contact | abutted with the adhesive agent h.
[0015]
FIG. 3 is a plan view of a main part corresponding to FIG. 2 showing another embodiment of the microwave oven carton according to the present invention, and the microwave oven carton blank plate B ′ is the paste margin piece on the crease 45 side. 5 is the same as the blank plate A ′ shown in FIG. 2 except that the opening start means 81 is formed of a substantially U-shaped opening for opening on the insertion notch 80 side. Although not shown, by forming the opening start means 81 composed of a substantially U-shaped opening for cutting, although not shown, the blank plate B ′ is assembled in the same manner as described above, and the carton B for the microwave oven is assembled. When unsealing (not shown), the picking portion / insertion flap 60 is picked up by a finger and pulled up to be integrated with the picking portion / insertion flap 60 and the insertion notch 80 and the substantially cut-out portion. A partition with an opening start means 81 comprising a letter-shaped opening cut To portions are cut, it is possible to ensure a reliable opening in more smoothly. In addition, although not shown in the figure, instead of the substantially U-shaped opening for cutting, an opening start means 81 made of an opening half-cut line is formed on the surface of the adhesive margin piece 5 that comes into contact with the side plate 1. However, since the portion defined by the opening 80 and the opening start means 81 formed of the substantially U-shaped opening half-cut line is peeled off between the paper layers, the same smooth and reliable as described above. Can be promised. Naturally, the opening half-cut line is provided up to the paper layer.
[0016]
FIG. 4 is a perspective view for explaining the state of use of the microwave oven carton according to the present invention, in which the knob portion / insertion flap 60 of the microwave oven carton A is picked up with fingers or the like and pulled up to make a knob portion cut 51. The lid / leg plate 61 is unsealed by tearing along the opening line 52 for opening, and the lid / leg plate 61 is folded back by the crease 70 formed on the side plate 3, and the crease 23 is further folded in reverse to fold the lid / leg plate 61. Is positioned below the bottom plate 4, and the folding ruler 12 is further reversely folded and the knob / insertion flap 60 is inserted into the insertion cut 80 formed in the adhesive margin piece 5. In this state, it is placed on the turntable equipped in the microwave oven. The frozen food (not shown), which is the contents stored in the carton, is placed on the turntable with the bottom plate 4 floated by the lid / leg plate 61, so that heating unevenness does not occur. It is possible to cook with heating efficiency. And it is related to the length of the notch 51 for the knob part of the knob and cum flap 50 and the position in the direction perpendicular to the crease 45 of the notch 80 to be formed in the glue margin piece 5. By forming the crease 70 on the crease 34 side with respect to the center line of the crease 23 and the crease 34, the bottom plate 4 of the carton A for microwave oven is mounted on the turntable equipped in the microwave oven. When placed, it can be reliably lifted off the turntable.
[0017]
Further, Japanese Patent Publication No. 60-15548, Japanese Patent Publication No. 4-68758 and the like for applying frozen or burned frozen food to the inside of the bottom plate 4 of the bottom plate 4 of the microwave oven carton of the present invention. Even in the case where a microwave oven heating sheet is attached to form a carton with a microwave oven heating sheet, the carton for the microwave oven according to the present invention in which the bottom plate 4 is floated is formed on the carton surface which has been a problem in the past. Transfer of pattern printing to turntables can be eliminated.
[0018]
【The invention's effect】
The carton for a microwave oven according to the present invention has an excellent effect that heating unevenness is not caused and heating efficiency can be improved as described above. In addition, even if the microwave oven heating sheet is attached to the inner surface of the bottom plate of the carton and the carton with the microwave oven heating sheet is used, the pattern printing formed on the carton surface is not transferred to the turntable by heat, and the turntable is soiled. There is an effect that there is nothing.
[Brief description of the drawings]
FIG. 1 is a partially cutaway perspective view showing an embodiment of a microwave oven carton according to the present invention.
FIG. 2 is a development view of FIG. 1;
FIG. 3 is a plan view of an essential part corresponding to FIG. 2 showing another embodiment of the microwave oven carton according to the present invention.
FIG. 4 is a perspective view illustrating a use state of the microwave oven carton according to the present invention.
FIG. 5 is a perspective view illustrating a conventional carton for a microwave oven.
[Explanation of symbols]
A, B Carton for microwave oven A ′, B ′ Blank plate 1, 3 Side plate 2 Top plate 4 Bottom plate 5 Adhesive strips 12, 23, 34, 45 Folded lines 70, 123, 234, 345 Folded lines 20 Upper and lower parts Front flap 30 Upper / lower back flap 40 Upper / lower folding flap 50 Notch 51 Notch for knob 52 Opening cut line 60 Knob / insert flap 80 Insert notch 81 Opening start means

Claims (3)

The side plate (1), the top plate (2), the side plate (3), the bottom plate (4), and the adhesive margin piece (5) are sequentially connected via the creases (12, 23, 34, 45), Ends in the direction perpendicular to the creases (12, 23) of the top surface plate (2) at the upper and lower openings of the cylindrical body having a rectangular cross section in which the side plate (1) and the adhesive margin piece (5) are bonded together In the rectangular parallelepiped-shaped microwave oven carton (A, B) sealed with the upper and lower surface flaps (20) connected to the sides via the crease (123), the crease (12) of the side plate (1) The notch (51) is formed on the side of the crease (12) from the two notches (50) at the substantially central portion of the end opposite to the crease (12). 50) and the knob for cutting part (51), and a knob and plug flap (60) are formed, and the knob for cutting part (51) is further formed. The side plate (1), the top plate (in the direction perpendicular to the crease (12, 23) from each end point extending to the crease (12) side by a certain length so as to be separated from each tip. 2), the extending side plate (3) in this order, before Symbol the said Orikei (34) side from the center line of the Orikei (23) and said Orikei (34) of the side plate (3) Orikei An opening score line (52) converging is formed at both ends of the ruled line (70) formed parallel to (23, 34), and the opening score line (52) and the score line (70) are A plug and leg plate (61) is formed, and the tab portion and insertion flap (60) is inserted into the glue margin piece (5) corresponding to the knob and insertion flap (60). A carton (A, B) for a microwave oven characterized by forming a cut (80). An opening start means comprising a substantially U-shaped opening for cutting or an opening half-cut line that opens on the side of the insertion notch (80) on the adhesive margin piece (5) on the crease (45) side. The carton (A, B) according to claim 1, wherein (81) is formed . Microwavable carton according to claim 1 or 2, characterized in that it has affixed a microwave heating sheet on the inner surface of the bottom plate (4) (A, B) .

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