JP2004307018A - Microwave cooking paper bag - Google Patents

Abstract

An object of the present invention is to prevent leakage of oil or the like from a microwave cooking paper bag.
A bottom of a cylindrical body (1a) formed by folding a heat and oil resistant paper is closed with a heat sealing adhesive (6), and the bottom is bent a plurality of times to form a non-heat sealing adhesive. The sealing portion (4) is formed by being adhered to the wall surface of the trunk portion (1a) in (7). Even if the food is put in the microwave cooking paper bag (1) and heated in a microwave oven or the like, the lower end of the body (1a) is bent and fixed a plurality of times, so that there is no peeling or gap, and the oil content And the like are prevented from leaking out of the microwave cooking paper bag (1).
[Selection diagram] FIG.

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a microwave cooking paper bag.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, cylindrical bags have been used for cooking by folding silicone-coated paper and overlapping both edges to form a folded portion twice. It has been said that after inserting foodstuffs into the bag from both ends of the opening, the opening is folded twice to form a closed portion, and the whole bag can be heated to obtain a preferable dish (for example, Patent Reference 1).
[0003]
Since this cooking paper bag simply folded the seam twice, it was necessary to heat the bag with the flat surface placed upside down. In addition, there is a problem that when heated in a vertical or horizontal position, oil and the like leak from the bent portion.
[0004]
Gazette-type sealed paper bags for microwave ovens have also been known. The paper bag exerts heat and pressure on one end thereof, gluing the walls of the tubes together at this location with an adhesive applied to the interior of the tube at this end, and then across the sealed end of the tube across the bag, and The panel is folded back to either the front panel or the rear panel, and an adhesive is applied to the panel to hold the panel (see Patent Document 2, page 8, lower left column).
[0005]
However, this gusset-type sealed paper bag for microwave ovens has a drawback that foodstuffs that become liquid or become liquid by heating in the microwave oven leak out or leak out of the folded portion.
[0006]
[Patent Document 1]
JP-A-11-105942 [Patent Document 2]
JP-A-63-317664
[Problems to be solved by the invention]
SUMMARY OF THE INVENTION An object of the present invention is to provide a microwave cooking paper bag in which oil and the like do not leak out of a bent portion even when heated in a vertical or horizontal orientation.
[0008]
[Means for Solving the Problems]
In order to achieve the above object, the invention according to claim 1 forms a cylindrical body (1a) by folding a heat-resistant and oil-resistant paper and sealing a bonded portion folded with a non-heat-sealing adhesive, The bottom of the cylindrical body is closed with a heat-sealable adhesive (6), bent several times, and adhered to the outer wall surface of the body (1a) with a non-heat-sealable adhesive (7) to form a sealed portion (4). ) Is employed in the microwave cooking paper bag (1).
[0009]
According to the first aspect of the present invention, even if food is put into the microwave cooking paper bag (1) and heated by a microwave oven or the like, the lower end of the body (1a) is bent and bent a plurality of times. Therefore, peeling and gaps do not occur, and leakage of contents such as oil to the outside of the microwave cooking paper bag (1) is prevented.
[0010]
The invention according to claim 2 employs the microwave cooking paper bag according to claim 1, wherein the gusset portions (3 a, 3 b) are provided on the side edges of the body portion (1 a).
[0011]
According to the second aspect of the present invention, the microwave cooking paper bag (1) containing the ingredients is stably stood laterally in a microwave oven or the like by setting the gusset portions (3a, 3b) at the bottom. Can be heated.
[0012]
The invention according to claim 3 provides the microwave cooking paper bag according to claim 1 or 2, wherein a food material to which a seasoning can be added and edible oil are stored and the opening is folded in two. adopt.
[0013]
According to the third aspect of the present invention, since the opening is folded in two, leakage of foodstuffs and edible oil from the microwave cooking paper bag (1) is prevented.
[0014]
The invention according to claim 4 employs the microwave cooking paper bag according to claim 3, wherein the food material is corn grains.
[0015]
According to the fourth aspect of the invention, the corn grains can be easily and appropriately cooked into popcorn.
[0016]
BEST MODE FOR CARRYING OUT THE INVENTION
Next, embodiments of the present invention will be described with reference to the drawings.
[0017]
As shown in FIGS. 1 and 2, the microwave cooking paper bag 1 is folded flat when stored and transported, and is three-dimensionally expanded and the opening 2 is opened as shown in FIG. After the contents are thrown in, they are closed.
[0018]
As shown in FIGS. 1 and 2, the microwave cooking paper bag 1 is formed by folding a material sheet to be described later, and is flatly folded and bonded by a liquid paste 5 which is a non-sheet sealing adhesive. The body 1a is provided.
[0019]
Depths 3a and 3b are provided on both side edges of the body 1a as required. The microwave cooking paper bag 1 is expanded as shown in FIG. 8, and the contents, which are the contents, are closed. After the gussets 3a and 3b are set to the bottom, the microwave oven cooking paper bag 1 is stably stood horizontally in a microwave oven or the like and heated. can do. The gusset portions 3a and 3b are provided for converting the microwave cooking paper bag 1 into a gusset bag, and are omitted when another type such as a pillow bag is used.
[0020]
The upper side of the body 1a is an opening 2 for receiving contents. The opening 2 is closed with the microwave cooking paper bag 1 folded as shown in FIG. 2, and opened with the microwave cooking paper bag 1 expanded as shown in FIG. Food materials as contents are put into the microwave cooking paper bag 1 from the opening 2.
[0021]
The lower part of the body part 1a is a sealing part 4 for sealing the bottom side. As shown in FIGS. 1, 3 and 4, the sealing portion 4 closes the bottom of the cylindrical body 1a with a heat-sealing adhesive 6 and bends the bottom several times to form a non-heat-sealing adhesive. It is formed by adhering to the wall surface of the body 1a with the liquid glue 7 as follows. As described above, the sealing portion 4 uses two different types of adhesives differently. Therefore, even if the ingredients as contents are put in the microwave cooking paper bag 2 and heated by the microwave, the sealing portion 4 peels off from the bottom of the bag. No gaps or gaps are generated, the adhesive portion is not discolored by overheating, and oil does not leak out of the microwave cooking paper bag 1. The bending of the bottom side may be performed in a direction opposite to the direction shown in FIGS. 3 and 4, and the bottom side may be bonded to the wall surface on the opposite side of the body 1a.
[0022]
As the heat-sealable adhesive 6, for example, a polyester-based adhesive containing an ethylene-vinyl acetate copolymer-based component can be used. Further, as the liquid pastes 5 and 7 which are non-heat-sealing adhesives, for example, an adhesive obtained by converting a vinyl acetate copolymer, an ethylene / vinyl acetate copolymer, or the like into an aqueous emulsion can be used.
[0023]
This microwave cooking paper bag 1 is made from a material sheet 1b shown in FIG.
[0024]
The material sheet 1b is made of heat-resistant oil-resistant paper which is heat-resistant and oil-resistant, and is a paper through which steam is appropriately passed. As this paper, a high-density paper made by beating ultrafine fiber pulp made of birch, fir or the like can be used. Further, it is also possible to use glassine paper, sulfuric acid paper, kraft paper, high-quality paper or the like obtained by processing both surfaces with silicon.
[0025]
As shown in FIG. 5, a constituent portion of the bag mouth and a constituent portion of the bag bottom are respectively provided on the upper and lower sides of the material sheet 1b by two folding lines 8, 9 extending in the left-right direction. A heat-sealable adhesive 6 which is an adhesive for forming the sealing portion 4 of the microwave cooking paper bag 1 is applied in a strip shape. A front wall 10 is provided in the middle of the material sheet 1b, gussets 3a and 3b are respectively provided on the left and right sides of the front wall 10, and a back wall divided into two outside the gussets 3a and 3b. The parts 11a and 11b are respectively provided in series. Each of the gussets 3a, 3b is formed by three fold lines extending in the vertical direction on the material sheet 1b, the center line being the valley fold line 12, the outer lines being the mountain fold lines 13, 14, and the front wall portion 10 and the back wall. It is configured to be folded between the portions 11a and 11b. Liquid glue 5, which is an adhesive for making the body 1a of the microwave cooking paper bag 1 cylindrical, is applied to the side edges of the back wall portions 11a, 11b in a strip shape. A valley fold line 16 and a mountain fold line 17 for forming a closing piece 15 for closing the opening 2 are formed obliquely at the boundary between the front wall portion 10 and the constituent portion of the bag mouth.
[0026]
As shown in FIG. 6A, the material sheet 1b is formed at a constant pitch p on a roll of heat-resistant and oil-resistant paper. A heat-sealable adhesive 6 is applied to the web in advance in a band at a constant pitch p so as to cross the web, and the liquid glue 5 is applied in a band along the side edge of the web when the material sheet 1b is fed. You. After the liquid glue 5 is applied, the roll paper is wound in the width direction while traveling further, and is adhered at a position of the liquid glue 5 to be formed into a tubular shape. As shown in FIG. The gussets 3a and 3b are provided by being folded at the folding lines 13 and 14, and the front wall 10 and the back wall 11a and 11b are provided so as to sandwich the gussets 3a and 3b. Thereafter, as shown in FIG. 6 (C), the application location of the heat-sealable adhesive 6 is sealed by a heat-seal mold 18 and the microwave cooking paper bag 1 shown in FIG. The body 1a is separated from the web. The portion of the body 1a of the microwave cooking paper bag 1 bonded with the heat-sealable adhesive 6 is folded back along a folding line 19 shown in FIG. After the adhesive 7 of the liquid glue is applied to the walls 11a and 11b, the adhesive is further folded as shown in FIGS. 7F, 3 and 4 and adhered to the back walls 11a and 11b by the adhesive 7. Then, the sealing portion 4 is formed. As described above, since the sealing portion 4 is formed by bonding the body portion 1a a plurality of times and bonding it with the adhesives 6 and 7 at a plurality of locations, leakage of the seasoning such as oil is suitably prevented. The microwave cooking paper bag 1 shown in FIG. 7 (F) is folded on folding lines 20a, 20b and 20c provided so as to cross the trunk 1a as necessary.
[0027]
Next, the operation of the microwave cooking paper bag having the above configuration will be described.
[0028]
When the microwave cooking paper bag 1 is used, it is three-dimensionally expanded as shown in FIG. 8 (A), and various foods and ingredients such as corn, french fries, fried chicken, prepared foods are put in from the opening 2 thereof. Then, as shown in FIG. 8B, the opening 2 is closed, and as shown in FIG. 8C, the closing piece 15 at one corner is folded to prevent the opening 2 from expanding. The microwave cooking paper bag 1 with the opening 2 closed is put in a microwave oven and heated. However, the sealing portion 4 turns the bonding portion of the body portion 1a with the heat-sealable adhesive 6 a plurality of times. The folded portion is fixed to the body 1a by the non-heat-sealable adhesive 7, and two different types of adhesives are selectively used for the adhesive portion, so that the adhesive does not discolor due to overheating. In addition, peeling of the bag bottom during heating is prevented, and leakage of liquid such as food and oil is prevented. The microwave cooking paper bag 1 with the opening 2 closed is put into the microwave oven, for example, in the upright state shown in FIG. 8C. Alternatively, it is inserted with the gussets 3a and 3b at the bottom in a horizontal upright state, or with the front wall 10 or the back walls 11a and 11b down.
[0029]
After a lapse of a predetermined time, the cooked food bag 1 is taken out of the microwave oven, and the opening 2 is expanded. Of course, the cooked food can be easily taken out by breaking the microwave cooking paper bag 1.
[0030]
At the time of cooking with a microwave oven, for example, corn grains and edible oil having a weight ratio of corn grains of 60% or less are put together in the microwave cooking paper bag 1 together. The edible oil used at this time may be liquid, solid, or the like, and is not particularly limited. The microwave cooking paper bag 1 is put in a microwave oven as it is and heated, so that the corn grains are popped in the bag and popcorn is completed. The finished popcorn may be eaten as it is, or may be sprinkled with a favorite seasoning such as salt or curry powder, mixed in a bag and seasoned.
[0031]
【Example】
Spread the microwave cooking paper bag three-dimensionally, put 30 g of corn kernels and 12 g of salad oil from the opening, bend the opening and close it, put it in the microwave in a horizontal standing state with the gusset at the bottom, and heat it. Was. The heating was stopped when the popping sound of the corn grains reached an interval of 3 to 4 seconds, and the microwave cooking paper bag was removed from the microwave oven. Fold open the closed opening, sprinkle a suitable amount of salt from it, fold the opening again and close it, hold it with your hand so that the folded part does not open, shake it with the microwave cooking paper bag so that the salt spreads throughout the popcorn. , Seasoned.
[0032]
【The invention's effect】
According to the present invention, the bottom of the cylindrical body formed by folding the heat and oil resistant paper is closed with a heat-sealing adhesive, and the bottom is bent a plurality of times and the non-heat-sealing adhesive is used to form the body. Because it is a microwave cooking paper bag in which the sealing portion is formed by being adhered to the wall surface, even if food is put in the microwave cooking paper bag and heated in a microwave oven or the like, peeling and gaps do not occur, The leakage of contents such as oil to the outside of the microwave cooking paper bag is prevented. Therefore, cooking can be properly performed, and the microwave cooking paper bag can be taken out of the microwave oven or the like without soiling the surroundings, and the food can be taken out of the microwave cooking paper bag.
[0033]
According to the invention according to claim 2, in the microwave cooking paper bag according to claim 1, since it is a microwave cooking paper bag provided with a gusset on the side edge of the body, the gusset containing foodstuffs is included. By setting the bottom, it is possible to stably stand upright and heat in a microwave oven or the like. Therefore, the direction of the microwave cooking paper bag can be changed according to the type of dish, and the expanded microwave cooking paper bag can be easily put in a narrow microwave oven or the like.
[0034]
According to the invention of claim 3, the microwave cooking paper bag according to claim 1 or 2, wherein the food and the edible oil to which a seasoning can be added are stored and the opening is folded in two. In addition, since the opening is folded in two, leakage of foodstuffs and edible oil from the microwave cooking paper bag is prevented.
[0035]
According to the invention according to claim 4, since the food material is the corn grain, the microwave cooking paper bag according to claim 3, the corn grain can be easily and appropriately cooked into popcorn.
[Brief description of the drawings]
FIG. 1 is a plan view showing a folded state of a microwave cooking paper bag according to the present invention.
FIG. 2 is a sectional view taken along line II-II in FIG.
FIG. 3 is a sectional view taken along line III-III in FIG.
FIG. 4 is a sectional view taken along line IV-IV in FIG.
FIG. 5 is a development view of a microwave cooking paper bag.
6A and 6B are perspective views illustrating a method of manufacturing a microwave cooking paper bag, wherein FIG. 6A is a step of applying an adhesive to a material sheet of the microwave cooking paper bag, and FIG. (C) shows the step of sealing the bottom of the body, respectively.
FIG. 7 is a plan view showing a method of manufacturing a microwave cooking paper bag, wherein (D) is a microwave cooking paper bag in which the bottom of the body is sealed, and (E) is the bottom of the body being bent and further adhered. (F) shows the body portion of the microwave cooking paper bag with the bottom of the body portion further bent.
FIGS. 8A and 8B are perspective views showing a procedure for using the microwave cooking paper bag, wherein FIG. 8A shows a state in which the microwave cooking paper bag is expanded, and FIG. Is closed, and (C) shows a state in which the opening of the microwave cooking paper bag is bent.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Microwave cooking paper bag 1a ... Body part 3a, 3b ... Machi part 4 ... Seal part 6 ... Heat-sealable adhesive 7 ... Non-heat-sealable adhesive

Claims (4)

Folding the heat and oil resistant paper and sealing the overlapped part with a non-heat-sealing adhesive to form a cylindrical body, and closing the bottom of the cylindrical body with the heat-sealing adhesive several times A microwave cooking paper bag, wherein a sealed portion is formed by bonding the outer wall surface of a body portion with a folded non-heat-sealing adhesive. The microwave cooking paper bag according to claim 1, wherein a gusset portion is provided on a side edge of the body portion. The microwave cooking paper bag according to claim 1 or 2, wherein a food material to which a seasoning can be added and edible oil are stored, and the opening is folded in two. 4. The microwave cooking paper bag according to claim 3, wherein the food material is corn grains.

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