JP4668464B2 - 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 in 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]
Conventionally, a carton for a microwave oven that stores frozen food that is cooked and eaten in a microwave oven in a store or at home, for example, frozen fries, pizza, takoyaki, etc., has a rectangular parallelepiped shape as illustrated in FIG. The carton α is often used and is used in a cooking mode as it is.
[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. 4A are provided. 4 and a configuration in which a plurality of steam vent holes are provided is cooked as it is in a microwave oven, and a configuration in which no steam vent holes are provided is as shown in FIG. 4 (b). And cutting 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 pasted on the bottom or the like is directly placed on a 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 at the same time the bottom surface of the carton is heated, and in severe cases, the beautiful surface 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, the side plate 1, the top plate 2, the side plate 3, and the bottom plate 4 are sequentially connected via the creases 12, 23, 34. A rectangular parallelepiped shape in which the upper and lower openings of the cylindrical body having a rectangular cross section are sealed with upper and lower surface flaps 20 connected to the edges of the top plate 2 in the direction orthogonal to the creases 12 and 23 via the creases 123. In the microwave oven carton A, the upper and lower leg plates 21 connected to the end of the upper and lower surface flap 20 opposite to the crease 123 via the crease 124 are detachably bonded to the upper and lower surface flap 20. In addition, a plurality of creases parallel to the crease 124 are provided on the upper and lower leg plates 21 and the upper and lower leg plates 21 are arranged at substantially the center of the end facing the crease 124 of the upper and lower leg plates 21. Narrower than the width in the direction parallel to the crease 124 Projecting the inserting piece 22, and a microwave carton, characterized in that the plug for cutting 24 that engages the difference Komihen 22 provided in the Orikei 124 A. With this configuration, the upper and lower leg plates 21 are peeled off from the upper and lower surface flaps 20, and the upper and lower leg plates 21 are reversely folded by the folds 124, and a plurality of creases provided on the upper and lower leg plates 21. The bottom plate 4 is lifted by bending the insertion piece 22 projecting from the upper and lower leg plates 21 into the insertion notch 24 provided on the folding ruler 124 by bending it into a square cross section. In this state, it can be placed on a turntable equipped in a microwave oven, thereby preventing heating unevenness and improving heating efficiency. It should be noted that the microwave oven carton A according to the present invention is appropriately provided with the means described in the prior art for releasing steam generated when cooking with a microwave oven.
[0008]
The invention described in claim 2 is characterized in that, in the carton A for microwave oven according to claim 1, a microwave heating sheet is attached to the inner surface of the bottom plate 4. 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.
[0009]
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 transparent perspective view showing one 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 is a perspective view for explaining a use state of the carton for a microwave oven according to the present invention. 4 and 4 are perspective views for explaining a conventional carton for a microwave oven. In the figure, A is a carton for a microwave oven, A 'is a blank plate, 1, 3 are side plates, 2 is a top plate, and 4 is a bottom. Face plate, 5 is a glue piece, 12, 23, 34, 45, 123, 124, 125, 126, 234, 345 are creases, 20 is an upper and lower surface flap, 21 is an upper and lower leg plate, 22 is an insertion piece, 24 is an insertion notch, 30 is an upper and lower back flap, 40 is an upper and lower folding flap, 50 is a notch, 51 is a cut line for opening, 52 is a perforation line for opening, 60 is a lid, and 70 is a leg. Show.
[0010]
FIG. 1 is a partially transparent 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 base material mainly made of paper, and includes a side plate 1 and a ceiling. The upper and lower openings of the cylindrical body having a rectangular cross section in which the face plate 2, the side face plate 3, and the bottom face plate 4 are sequentially connected via the creases 12, 23, 34 are orthogonal to the creases 12, 23 of the top face plate 2. A rectangular parallelepiped carton sealed with upper and lower surface flaps 20 connected via a fold 123 at the end of the direction, and a crease 124 at the end of the upper and lower surface flap 20 facing the crease 123. The upper and lower leg plates 21 that are connected via the upper and lower surface flaps 20 are detachably bonded to the upper and lower surface flaps 20, and two creases 125 and 126 parallel to the crease 124 are provided at equal intervals on the upper and lower leg plates 21. And the folding of the upper and lower leg plates 21 The insertion piece 22 having a width narrower than the width of the upper and lower leg plate 21 in the direction parallel to the crease 124 is provided at the substantially central portion of the end facing the 124 and the insertion piece 22 is engaged. A cut-in notch 24 is provided at a substantially central portion of the crease 124, and a substantially semicircular cutout 50 is provided at a substantially central portion of the side plate 1 in a direction parallel to the crease 12. The folds 23 are sequentially extended from the respective end points extending to the crease 12 side by a certain length so as to be separated from both ends in the direction perpendicular to the creases 12 and 23 with the side plate 1 and the top plate 2. An opening perforation line 51 leading to the opening and a perforation line 52 for opening that connects both ends of the opening perforation line 51 are provided on the crease 23. A region defined by the notch 50, the opening cut line 51, and the opening perforation line 52 is a lid 60 that is formed so as to be able to be cut off in order to escape steam generated when cooking with a microwave oven. is there.
[0011]
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. The upper and lower folding flaps 40, the upper and lower surface flaps 20, the upper and lower folding flaps 40, and the upper and lower rear flaps 30 are connected via 123, 234, and 345, and are opposed to the crease 123 of the upper and lower surface flaps 20. The upper and lower leg plates 21 are connected to the end sides via the creases 124, and two creases 125 and 126 parallel to the crease 124 are provided at equal intervals on the upper and lower leg plates 21 and the upper and lower leg plates 21. Of the edge facing the crease 124 An insertion piece 22 having a width narrower than the width of the upper and lower leg plates 21 in the direction parallel to the crease 124 is provided at the center, and the insertion notch 24 for engaging the insertion piece 22 is further provided. A substantially semicircular cutout 50 is provided at a substantially central portion of the crease 124, and a substantially semicircular notch 50 is provided at a substantially central portion of the side plate 1 in a direction parallel to the crease 12, so as to be separated from both ends of the cutout 50. An opening cut line 51 extending from the respective end points extending to the crease 12 side in a direction perpendicular to the creases 12 and 23 to the crease 23 in the order of the side plate 1 and the top plate 2. Can be obtained by assembling a blank plate A ′ provided on the crease 23 with an opening perforation line 52 connecting both ends of the opening cut line 51.
[0012]
In order to assemble the blank plate A ′ into the carton A for the microwave oven, first, the upper and lower leg plates 21 are folded on the upper and lower surface flaps 20 by the creases 124 of the blank plate A ′ (see FIG. 2 upper). The upper and lower leg plates 21 and the upper and lower surface flaps are detachably bonded to each other, and then the bottom plate 4 and the adhesive margin piece 5 are attached to the top plate 1 by the crease 34. The side plate 1 is folded on the glue margin piece 5 by the crease 12 and the side plate 1 and the glue margin piece 5 are provided on the side of the side edge than the notch 50 provided on the side plate 1. After the boxed product is opened at the creases 12, 23, 34, and 45 to store the frozen food, the upper and lower parts The folding flap 40 is folded inward by the crease 234, and the upper and lower The back flap 30 is folded inward by the crease 345 and the upper and lower surface flaps 20 to which the upper and lower leg plates 21 are detachably bonded are folded by the crease 123 on the upper and lower back flaps 30 to form the upper and lower portions. By bonding the back flap 30 and the upper and lower surface flaps 20, the carton A for microwave oven of the present invention shown in FIG. 1 can be obtained. In addition, as a method of adhering the upper and lower leg plates 21 and the upper and lower surface flaps in a peelable manner, an appropriate method may be adopted as appropriate depending on the material constituting the adhesion surface. For example, when the adhesion surface is paper, A method of adhering via a hot melt adhesive mainly composed of paraffin wax coated in a shape may be employed.
[0013]
FIG. 3 is a perspective view for explaining a use state of the microwave oven carton according to the present invention, wherein the upper and lower leg plates 21 of the microwave oven carton A are peeled off from the upper and lower surface flaps 20 and the upper and lower portions are separated by the crease 124. The leg plate 21 is reversely folded, folded in turn in the same direction with the creases 125 and 126, and the insertion piece 22 is engaged with the insertion notch 24 to form a leg 70 having an inverted triangular cross section. FIG. 6 is a view showing a state in which the end of the lid body 60 is picked up from a notch 50 of the carton A for use with fingers or the like and pulled up to tear along the opening cut line 51 and the lid body 60 is cut off at the opening perforation line 52. 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 in a state where the bottom plate 4 of the carton is floated by the legs 70 having an inverted triangular cross section formed by the upper and lower leg plates 21. Therefore, it is possible to cook with high heating efficiency without causing uneven heating.
[0014]
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.
[0015]
By the way, the microwave oven carton described so far shows a typical embodiment of the present invention, and is not limited to this, and all the categories not departing from the gist of the present invention are included in the present invention. It is included. In the embodiment, the leg plate 21 forming the legs for floating the bottom plate 4 of the carton is provided with two creases 125 and 126 to form the legs 70 having an inverted triangular cross section. A crease of a book may be provided to form a leg having a quadrangular cross section, or a leg having a polygonal shape larger than this may be formed. In addition, the method of releasing steam generated when cooking with a microwave oven is not limited to the shape and configuration shown in the embodiment, and an appropriate shape and configuration can be adopted. For example, a steam vent hole may be provided.
[0016]
【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 transparent 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 perspective view for explaining a use state of the microwave oven carton according to the present invention.
FIG. 4 is a perspective view illustrating a conventional carton for a microwave oven.
[Explanation of symbols]
A Carton for microwave oven A 'Blank plate 1, 3 Side plate 2 Top plate 4 Bottom plate 5 Adhesive strips 12, 23, 34, 45, 123 Folded lines 124, 125, 126, 234, 345 Folded lines 20 Upper and lower surfaces Flap 21 Upper and lower leg plate 22 Insertion piece 24 Insertion cut 30 Upper and lower back flap 40 Upper and lower folding flap 50 Notch 51 Opening cut line 52 Opening perforation line 60 Cover body 70 Leg

Claims (2)

Upper and lower openings of a cylindrical body having a rectangular cross section in which a side plate (1), a top plate (2), a side plate (3), and a bottom plate (4) are sequentially connected via a crease (12, 23, 34). Is a rectangular parallelepiped microwave oven sealed with upper and lower surface flaps (20) connected to the edges of the top plate (2) in the direction orthogonal to the creases (12, 23) via the creases (123). In the carton (A), the upper and lower leg flaps (21) connected to the end of the upper and lower surface flap (20) facing the crease (123) via the crease (124) are connected to the upper and lower surface flaps. A plurality of creases parallel to the creases (124) are provided on the upper and lower leg plates (21), and the creases (124) of the upper and lower leg plates (21) are provided. The folded ruled sheet (124) of the upper and lower leg plates (21) at the substantially central part of the end opposite to An insertion piece (22) narrower than the width in the parallel direction protrudes, and an insertion cut (24) for engaging the insertion piece (22) is provided in the crease (124). A carton (A) for a microwave oven characterized by the above. The microwave oven carton (A) according to claim 1, wherein a microwave oven heating sheet is attached to the inner surface of the bottom plate (4).

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