JP5428980B2 - Microwave cooking packaging container with handle - Google Patents

Description

  The present invention relates to a packaging container for storing food to be cooked in a microwave oven. In particular, the present invention relates to a paper microwave cooking container.

  In recent years, many foods for microwave ovens in which pre-cooked foods are sealed and packaged are sold. Even if heated in a microwave oven, a container that does not have to worry about the packaging container bursting is used, and the food is convenient for consumers.

  In addition, food is often cooked at home using a microwave oven. Food is put in a microwave-compatible packaging container and cooked. Such foods for cooking in a microwave oven can be cooked in various ways according to individual preferences, and books that introduce various recipes are also on sale. Recently, there is also a health consciousness, and the tendency to cook individually is increasing.

  As packaging containers for microwave oven cooking, pottery containers, heat-resistant glass containers, containers using heat-resistant plastics such as polyethylene terephthalate, polycarbonate, and polypropylene, and containers using a laminate of paperboard and heat-resistant film , Etc. are used.

  As the shape of the packaging container, in the case of pottery, the tray shape, bowl shape, cup shape, in the case of heat resistant glass container, the tray shape, bowl shape, in the case of heat resistant plastic container, the pouch shape, tray shape, paperboard and heat resistance Containers using a laminate material with a film include a tray shape, a box shape, and a cup shape.

  Recently, according to Patent Document 1, there is a proposal for a container having a bowl shape or a tray shape by performing drawing processing from a paperboard sheet from the use of environmentally friendly materials.

  According to Patent Document 2, there is also proposed a packaging container that partially uses a sheet that partially burns cooked food.

  However, when cooking in a microwave oven, it is common to cover with a wrap film because of steam from food, bumping of juice, etc. Also, because the food is heated, the container itself is heated, and there is a risk of burns if touched directly. Consumers are demanding a packaging container that can be safely cooked when cooking in a microwave oven, and a simple container that can be easily carried after cooking and can be used as an edible container such as a bowl or tray.

JP 2003-27397 A JP 2000-218728 A

This relates to a packaging container that contains food to be cooked in a microwave oven. When cooking with a microwave oven, there is no concern about steam generated from the food due to heating, liquid splash due to liquid boiling, etc. It is an object of the present invention to provide a microwave cooking packaging container that can be easily carried without directly touching a heated container and can be discarded as incinerated waste after use.

In order to solve the above problems, the inventors have intensively studied and completed the present invention.
The invention according to claim 1 includes a substantially rectangular bottom plate portion, a pair of first side plate portions connected to the bottom plate portion via a fold line, and having a substantially rectangular shape,
A second pair of second side plates that are connected to the bottom plate portion via a fold line and are tapered (satisfying the relationship of the length of the lower side <the length of the upper side);
Four engaging pieces each extending in the left and right directions at the top of the second side plate portion and having an engaging cut at the tip;
An oblique fold line connecting the lower side of the engagement cut and the corner of the bottom plate,
A connecting portion adjacent to the diagonal fold line and connected to the first side plate portion;
A lid connected to at least the upper part of the second side plate part,
A packaging container comprising a blank sheet having
Each side plate portion is erected at each fold line, the diagonal fold line is folded, and the engagement notches of the opposing engagement pieces are locked, so that the inside of the handle portion formed by the locked engagement pieces and the first A microwave oven cooking packaging container with a handle, characterized in that the outside of the side plate portion is not in contact with the outside.
According to a second aspect of the present invention, the folding line connecting the bottom plate portion and the first side plate portion is arcuate toward the center direction of the bottom plate portion. Packaging container.
The invention according to claim 3 is characterized in that the packaging container is made of a paper material, and a plastic film is laminated on the inner surface of the container. The packaging container for microwave oven cooking with a handle according to claim 1 or 2 It is.

  The present invention is a packaging container that can store food to be cooked in a microwave oven, and can be assembled from a single blank sheet without using an adhesive. There is no worry about steam generated from food by heating or liquid splash due to liquid boiling, and it can be easily carried by holding the handle part without directly touching the heated container after cooking. In addition, by making the bottom plate portion into a bowl shape, it becomes easy for the seasoning to soak into the food, and the cooking effect can be enhanced.

  According to the invention described in claim 1, each side plate portion is erected at each fold line of the blank sheet, the oblique fold line is folded inward, and the engagement cuts of the opposing engagement pieces are locked, thereby holding the handle. A part is made. A box-shaped or tray-shaped container in which the inner side of the handle portion and the outer side of the first side plate portion are not in contact is formed.

  Since the 1st side board part which accommodates the heated foodstuff is tinged with heat, there is a fear of a burn if touched. It can be easily carried by having a handle that is not easily heated.

  In addition, by locking the lid member of the second side plate part, during cooking, the steam generated from the food by heating is released from the gap of the lid part, and the liquid jump due to the sudden boiling of the juice can be prevented by the lid part.

  Since the container of the present invention does not use an adhesive during assembly, there is no problem that the adhesive is eluted during cooking and mixed into food. Moreover, there is no smell of an adhesive and the cooking effect can be improved.

  After cooking, the top plate can be removed and used as a container for eating food.

According to the second aspect of the present invention, by placing the folding line connecting the bottom plate portion and the first side plate portion in an arc shape toward the center direction of the bottom plate portion, the bottom plate portion after standing up is left and right from the center of the bottom portion. The bent portion of the second side plate is higher, that is, the bottom plate portion has an R shape, and seasonings, juices, etc. that accumulate in the corners of the bottom plate portion can be easily collected in the central direction, and the cooking effect can be further enhanced. . Moreover, it can prevent the liquid juice etc. which accumulated in the corner from scorching.

  According to the invention described in claim 3, the packaging container of the present invention is mainly made of a paper-based material, and is made of a composite material in which paper and a heat-resistant plastic film are laminated. By using a heat-resistant plastic film on the inner surface of the container, it is possible to prevent a decrease in strength due to the penetration of food into paper and to increase the rigidity strength of the container itself.

  Since the container of the present invention uses paper-based materials such as paperboard, it can be discarded as incinerated waste after use.

It is an expanded view which shows an example of the packaging container for microwave oven cooking with a handle of this invention. It is an expanded view which shows an example which made the bottom plate part of the packaging container for microwave oven cooking with a handle of this invention into R shape. It is a perspective view which shows an example of the state which closed the lid | cover of the container after the assembly of the expanded view shown in FIG. It is a perspective view which shows an example of the state which closed the lid | cover of the container after the assembly of the expanded view shown in FIG. It is a perspective view which shows an example of the state which opened the lid | cover of the container after the assembly of the expanded view shown in FIG. It is a side view which shows an example of the state which closed the lid | cover of the container after the assembly of the expanded view shown in FIG.

  The best mode for carrying out the present invention will be described below.

  FIG. 1 is a development view showing an example of a packaging container for cooking with a microwave oven according to the present invention.

  A pair of first side plate portions 3, 4 are connected to the bottom plate portion 2 via folding lines 31, 32. A pair of second side plate portions 5 and 6 are connected to each other through the bottom plate portion 2 and the folding lines 33 and 34.

The first side plate portion 3 is connected to the left and right via the folding lines 35 and 36, and the connecting portions 7 ′ and 8 ′ are connected to the first connecting portion 7 and the connecting portions 7 and 8 via the folding lines 52 and 53. Yes.
Connection portions 9 ′ and 10 ′ are connected to the first side plate portion 4 on the left and right via fold lines 37 and 38, and connection portions 9 and 10 are connected to the connection portions via fold lines 54 and 55. Yes.

  Flaps 15 and 16 are connected to the upper portions of the first side plates 3 and 4 via folding lines 47 and 48.

  Engagement pieces 11 and 13 having engagement cuts 20 and 22 are connected to the upper part of the second side plate part 5 via folding lines 43 and 45 on the left and right, respectively.

  The lower sides of the engagement cuts 20 and 22 and the corners of the bottom plate part 2 are connected by diagonal fold lines 39 and 41, and the connection parts 7 and 7 'and the connection parts 9 and 9' are connected via the diagonal fold lines. .

  It is connected to a flap 17 having an engagement cut 24 through a broken line 49.

  Engagement pieces 12 and 14 having engagement cuts 21 and 23 are connected to the upper part of the second side plate part 6 via left and right folding lines 44 and 46, respectively.

  Diagonal fold lines 40 and 42 connecting the lower side portion of the engagement cut 21.23 and the corners of the bottom plate portion 2 are connected, and the connection portions 8 and 8 'and the connection portions 10 and 10' are connected via the oblique fold line. Yes.

  The lid part 18 is connected via the folding line 50, and the lid part 18 has an engagement cut 25.

  A flap 19 is connected to the lid portion 18 via a fold line 51.

  The blank sheet 1 was created as described above.

  FIG. 2 is a developed view showing an example in which the bottom plate portion of the packaging container for microwave oven cooking with a handle according to the present invention has an R shape.

  A pair of first side plate portions 3, 4 are connected to the bottom plate portion 2 via arcuate folding lines 31 ′, 32 ′. A pair of second side plate portions 5 and 6 are connected to each other through the bottom plate portion 2 and the folding lines 33 and 34. Others are the same as the description of FIG. This is a blank sheet 1 ′ in which the bottom plate portion has an R shape.

  FIG. 3 is a perspective view showing an example of a state in which the lid of the container after assembly of the blank sheet 1 shown in FIG. 1 is closed.

  Each side plate portion is erected at each fold line of the blank sheet 1, the oblique fold line is folded inward, and the engagement cut portions of the opposing engagement pieces are locked, so that the inner side of the handle portion and the first side plate portion It is possible to assemble a packaging container for microwave oven cooking with a handle that is non-contact on the outside. That is, the gap between the inside of the handle portion and the outside of the first side plate portion corresponds to the width of the connecting portions 7 ′, 8 ′, 9 ′, and 10 ′. Therefore, since the heat of the heated food is not transmitted, it can have a handle part. Box-shaped and tray-shaped containers can be carried.

  FIG. 4 is a perspective view showing an example of a state in which the container lid after the assembly of the blank sheet 1 ′ shown in FIG. 2 is closed.

  By standing each side plate part at each fold line of the blank sheet 1 ′, folding the first side plate part into an arc-shaped fold line and the diagonal fold line inside, and engaging the engagement cuts of the opposing engagement pieces, The shape of the bottom plate portion can be an R shape.

  FIG. 5 is a perspective view showing an example of a state in which the lid of the container after assembling the blank sheet 1 ′ shown in FIG. 2 is opened.

  FIG. 6 is a side view illustrating an example of a state where the lid of the container after assembly of the blank sheet 1 ′ illustrated in FIG. 2 is opened.

  The shape which accommodates a foodstuff from FIG. 5 shows a rectangular box and tray shape, and the baseplate part has shown R shape as shown in FIG.

  By making the bottom plate portion into an R shape in this way, foods, seasonings, juices, etc. that accumulate in the corners of the bottom plate portion are less likely to accumulate, and it is also possible to prevent the occurrence of scorching due to heating.

  Therefore, the seasoning and the juice can be easily collected at the center of the bottom plate portion, and the seasoning and the juice can be easily infiltrated into the food, the finish of the dish is improved, and it can be made delicious.

  By locking the engagement cut in the lid, steam generated from the food by heating can escape from the gap between the container and the lid. Further, liquid jump due to bumping of the juice can be prevented.

  A packaging container for microwave oven cooking with a handle can be assembled without using an adhesive from a single blank sheet. A container can be easily carried without touching the heated container portion, and can be free from the risk of burns due to liquid splash due to sudden boiling of the juice due to the vapor from the heated food. Moreover, since the container shape is a box shape or a tray shape, food can be eaten as it is. In addition, since the bottom plate portion has an R shape, the food is less likely to remain in the corners of the bottom plate portion, and since there is no odor of the adhesive, the food can be made even more delicious and the effect of cooking can be improved.

  The size of the container of the present invention can be determined from the space of the heating part of the microwave oven used at home. Although the specifications of each company's microwave oven manufacturer are different, the size of the bottom of the packaging bag may be set in the turntable when viewed from the size of the heating unit turntable (about 200 mm diameter disc). The height is desirably about 100 mm or less. However, it is not necessarily limited to this value.

  The material used for the container of the present invention can be a paper-based material such as paperboard, pulp mold, corrugated cardboard, etc., and laminated films such as polypropylene, PET (polyethylene terephthalate), TPX (methylpentene polymer) which are heat resistant films. Things can be used. Moreover, lamination | stacking by an extruder using these resins is also possible. A biodegradable film such as polylactic acid can also be used.

  A heat resistant film is laminated on the inner surface of the container. In order to further increase the rigidity and strength, it is desirable to laminate also on the outer surface. Laminating the outer surface also improves the shape stability of the container.

  As food for microwave oven cooking, it can be used for various foods such as rice cakes, miscellaneous cooking, steamed rice bowls, steamed bread, cakes, jams and other side dishes.

  The microwave oven cooking packaging container according to the present invention can be used as a carton box for take-out. When you take out fresh hot food, you can easily carry it by having a handle.

  Since the packaging container for microwave oven cooking with a handle of the present invention is a single blank sheet at the time of sale and becomes compact, it has a large space-saving and stack-saving effect when displayed at a store.

1 Blank sheet 1 'Blank sheet (bottom R shape)
2 Bottom plate portion 3, 4 First side plate portion 5, 6 Second side plate portion 7, 8, 9, 10 Connection portion 7 ', 8', 9 ', 10' Connection portion 11, 12, 13, 14 Engagement piece 15 , 16, 17, 19 Flap 18 Lid 20, 21, 22, 23 Engagement cut (handle part)
24, 25 Engagement cut (lid)
31, 32 Folding line between bottom plate part and first side plate part 31 ', 32' Arc-like folding line between bottom plate part and first side plate part 33, 34 Folding line between bottom plate part and first side plate part 35, 36, 37, 38 Folding lines 39, 40, 41, 42 between the first side plate portion and the connection portion 43, 44, 45, 46 Folding lines between the second side plate portion and the engagement piece 47, 48 First Folding line between side plate and flap 49 Folding line between second side plate and flap 50 Folding line between second side plate and lid 51 Folding line between lid and flap 52, 53, 54, 55 Folding line with connection 60 Lid The container 61 in a closed state The bottom plate portion is formed in an R shape, the container 62 in a state in which the lid portion is closed, the bottom plate portion is formed in an R shape, the container 63 in a state in which the lid portion is opened, the bottom plate portion is formed in an R shape, and the lid portion is closed. A side view of the container A A shows the R shape of the bottom plate

Claims (3)

A substantially rectangular bottom plate portion, and a pair of first side plate portions connected to the bottom plate portion via a fold line, each having a substantially rectangular shape;
A second pair of second side plates that are connected to the bottom plate portion via a fold line and are tapered (satisfying the relationship of the length of the lower side <the length of the upper side);
Four engaging pieces each extending in the left and right directions at the top of the second side plate portion and having an engaging cut at the tip;
An oblique fold line connecting the lower side of the engagement cut and the corner of the bottom plate,
A connecting portion adjacent to the diagonal fold line and connected to the first side plate portion;
A lid connected to at least the upper part of the second side plate part,
A packaging container comprising a blank sheet having
Each side plate portion is erected at each fold line, the diagonal fold line is folded, and the engagement notches of the opposing engagement pieces are locked, so that the inside of the handle portion formed by the locked engagement pieces and the first A packaging container for cooking with a microwave oven, characterized in that the outside of the side plate part is not in contact with the outside.   The packaging container for microwave oven cooking with a handle according to claim 1, wherein the folding line connecting the bottom plate portion and the first side plate portion is arcuate toward the center direction of the bottom plate portion.   The packaging container for microwave oven cooking with a handle according to claim 1 or 2, wherein the packaging container is made of a paper-based material, and a plastic film is laminated on an inner surface of the container.

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