KR20130005203A - Paper pot - Google Patents

Abstract

PURPOSE: A paper pot is provided to consist of coating layers in the entire inner surface forming a cooking area, thereby preventing a paper pot from being contaminated by food. CONSTITUTION: A paper pot comprises a body part(1) and a lid part(2). The top of the body part has an open shape, and forms the inner space for containing food. The lid part is extended from the side plate of the body part to cover the upper part of the body part. An adhesive and a watertight film are successively laminated onto the inner surface which forms the cooking surface . The adhesive includes polyurethane resin, acetate and lime, wherein lime is 5-25 per 100 of polyurethane resin in wt%. The body part includes a polygonal bottom plate(11), a side plate(12), and a wing(13). The wing is provided with an extra paper formed by corrugating and bonding in between side plates.

Description

Paper pot

The present invention relates to a paper pot capable of heating food contained therein through a heating mechanism.

Pots are cooking utensils used to heat food, mainly made of metal. Recently, when cooking outdoors or used in restaurants and the like for hygiene purposes, pots using paper that is easy to handle and inexpensive have been produced (see Patent Document (1) below).

One of the technical weaknesses of the paper pot according to the prior art is that it is difficult to keep the shape constant. In particular, the paper pot is used for cooking food containing a large amount of water, the paper pot is easily deformed according to the weight of the water, even if the lid inside the vapor easily escapes. Due to the large amount of vapor discharge, the temperature of the lower and upper portions of the food is greatly different and it is difficult to obtain an intact heating effect.

In addition, in order to move the cooked paper pot from the heating mechanism to the table to catch the paper pot, there is a disadvantage that the food is easily poured due to the deformation of the material properties of the paper pot. Since hot food is contained in the cooked paper pot, the risk of a safety accident such as a burn is increased.

Paper pots can also be washed and reused. However, in the prior art, as the uncoated side forms a part of the inner wall of the cooking space, food is absorbed and the color is changed, thus reusing is reluctant.

(1) Republic of Korea Utility Model Registration No. 444164 (published Jan. 30, 2009), Title of Design: Paper pot The patent document has a lid formed on the outside of the body portion formed of pulp material, which is a raw material of paper, a coating layer, a body portion formed with a body portion fold portion outside the body portion, and a lid fold portion to form a storage space together with the body portion. A lid portion including a coupling lid opening for closing the body portion and the storage space and the eating portion having a folding portion and the side folding portion to reinforce it. (2) Republic of Korea Patent Publication No. 10-2009-0035260 (published date 2009.04.09), the name of the invention: a method of manufacturing a molded paper pot The patent document discloses a method for producing a paper pot through a pulp solution in a molding mold and forming a coating layer with a polyethylene coating solution.

The present invention has been made in order to solve the above-mentioned problems, has an object of making the internal airtightness more reliably when cooking, it is possible to transfer heat evenly throughout the food.

In order to solve the above problems, the present invention provides an embodiment, which is manufactured by folding one piece of paper, the upper portion of which is open, and a body portion in which a cooking space for containing food is formed, and extending from the side plate of the body portion. It includes a lid that can cover the upper portion of the body portion, the inner surface forming the cooking space presents a paper pot in which the adhesive and the waterproof film is laminated in sequence.

Here, the adhesive may include polyurethane resin, ethyl acetate and lime, and the lime may include 5 parts by weight to 25 parts by weight based on 100 parts by weight of the polyurethane resin.

In addition, the body portion is a polygonal bottom plate, the side plate is folded at each corner of the bottom plate to stand against the bottom plate and the extra paper formed between the adjacent side plates are wrinkles folded and bonded to form a wing formed can do. Wings that are spread out of the body can be used as handles.

In another embodiment, the lid portion extends from one side plate, the main cover plate that can cover the entire upper portion of the cooking space, the other side plate, the fitting plate that can be fitted into the slit groove formed in the main cover plate It may include. The configuration of the main cover plate and the fitting plate is the main to prevent the opening of the main cover plate. And the main cover plate and the fitting plate has the function of a handle when moving a paper pot containing hot food.

Further, each of the wings is in contact with the neighboring side plates, extending from the side plate to the top and bent to overlap on the main cover plate covering the cooking space to further prevent the first flap to lift the main cover plate Can be formed.

In another embodiment, the main cover plate may be further formed with at least one second flap that can be inserted into the gap of the upper paper overlapping the side plate and the wing.

In another embodiment, the lid portion extends from the end of the first cover plate and the second cover plate, the end of the first cover plate and the end of the second cover plate, respectively, which extends from the side plates of opposite positions, A mounting plate extending upward from the first extension plate and the second extension plate and the other side plate in which the fitting portions are formed at both ends in the longitudinal direction, and the mounting groove in which the fitting portions are fitted may be provided.

In this case, a plurality of exhaust holes may be formed in the bending line between the first cover plate and the side plate or the bending line between the second cover plate and the side plate to discharge the excess steam.

In another embodiment, the adhesive and the waterproof film is laminated on one side in turn to be manufactured by folding a sheet of paper to form a coating layer, a polygonal bottom plate, the side plate folded with respect to the bottom plate folded at each corner of the bottom plate And paper extending from the side plates and neighboring side plates are formed by wrinkles folded, and the wings folded to contact the side plate and the auxiliary plate extending from the paper forming the wing, the auxiliary plate has a surface on which the coating layer is formed It presents a paper pot which is bent to abut the side plate to be in contact with the side plate.

Here, a lid portion covering the cooking space formed by the bottom plate and the side plates is further included, wherein the lid portion extends from one side plate, the main cover plate that can cover the entire upper portion of the cooking space, and the other side plate It may include an insertion plate that extends, can be fitted to the slit groove formed in the main cover plate.

Further, each of the wings is in contact with the neighboring side plates, extending from the side plate to the top and bent to overlap on the main cover plate covering the cooking space to further prevent the first flap to lift the main cover plate Can be formed.

According to the embodiment of the present invention, it is possible to evenly transfer the heat transferred from the heating mechanism to the food, the inner surface forming the cooking space is all made of the coating layer has the advantage that the paper pot is not easily contaminated by food. .

1 is a perspective view showing a paper pot according to a first embodiment of the present invention.
FIG. 2 is a cross-sectional view illustrating a schematic single layer structure of the paper pot shown in FIG. 1. FIG.
3 is an exploded view of a paper pot according to a second embodiment of the present invention.
4 is a perspective view of a completed paper pot according to the development view shown in FIG.
5 is a perspective view of a paper pot according to a third embodiment of the present invention.
FIG. 6 is an enlarged perspective view of a portion of the paper pot shown in FIG. 5; FIG.
7 is a perspective view of a paper pot according to a fourth embodiment of the present invention.
8 is an exploded view of a paper pot according to a fifth embodiment of the present invention.
9 is a perspective view of a completed paper pot according to the development view shown in FIG.
10 is a plan view of a portion A of FIG.

Hereinafter, with reference to the accompanying drawings, the configuration, function and operation of the paper pan according to embodiments of the present invention. However, the same reference numerals for similar or identical components are used throughout the embodiments.

1 is a perspective view showing a paper pot according to a first embodiment of the present invention, Figure 2 is a cross-sectional view showing a schematic monolayer structure of the paper pot shown in FIG.

The paper pot 10 according to the first embodiment is to cut and fold a sheet of paper. At this time, the overlapping portion is further bonded.

Paper pot 10 is provided with a body portion (1) to form a cooking space (S) containing at least food. The body portion 1 includes a bottom plate 11 and side plates 12 erected from the bottom plate 11.

Although the shape of the bottom plate 11 is shown as a rectangle in the drawing, it may have a shape of various polygons such as hexagon or octagon.

The side plate 12 extends from the bottom plate 11 and is formed by folding paper. Fold the flat paper and erect each side plate 12 to have extra paper extending from the neighboring side plate 12.

The excess paper is folded and folded, and the overlapping surfaces are bonded to form the wings 13. At this time, the adhesion of the overlapping surface may be made by thermal fusion using a waterproof film described later. Alternatively, an adhesive may be used in addition to heat fusion. Alternatively, it may be fused using a local ultrasonic generator.

In the first embodiment, the wing 13 maintains the open state of the body portion (1). In particular, the wing 13 extends radially from the side plate where the side plate 12 and the side plate 12 meet each other. This wing 13 is used as a handle to lift and lift the user.

In addition, a lid portion 2 extending from an upper end of the side plate 12 and covering the cooking space S is further provided. The lid portion 2 covers the upper portion of the open body portion 1 to reduce the escape of steam generated in the cooking space S to the outside. Such a lid portion may be manufactured separately from the body portion or may be omitted.

Meanwhile, referring to FIG. 2, an adhesive 130 and a waterproof film 120 are sequentially stacked on an inner surface of the cooking space S to form a coating layer 110.

At this time, the waterproof film 120 is made of a synthetic resin harmless to the human body, for example, the material of the waterproof film is PET (PET, polyethylene terephthalate) or polypropylene (PP). The waterproof film 120 may be transparent. In addition, the waterproof film 120 is made of a thermoplastic resin such as PET or polypropylene, it is possible to heat-sealed with paper or other waterproof film.

On the other hand, the adhesive 130 is for the adhesion of the waterproof film 120 to the paper (100). The adhesive 130 is harmless to the human body, and uses an adhesive force maintained even at a high temperature. In one example, the adhesive 130 may be a mixture of polyurethane resin, ethyl acetate and lime.

Polyurethane resin is used as a curing agent, ethyl acetate is used as a solvent. The calcium contained in lime is intended to withstand high temperatures. At this time, the lime can be prepared by grinding the plunger shells into powder and decolorizing it.

More specifically, the lime is included 5 parts by weight to 25 parts by weight based on 100 parts by weight of polyurethane resin. If the amount of the lime is less than 5 parts by weight, there is a problem that peeling of the paper and the waterproof film occurs when the general gas combustion type heating mechanism is used. If the amount of the lime is more than 25 parts by weight, the adhesive performance of the adhesive is lowered, and the waterproof film easily detaches from the paper.

More preferably, lime is included 13 parts by weight to 18 parts by weight based on 100 parts by weight of polyurethane resin. When the lime is 13 parts by weight to 28 parts by weight, the adhesion is further improved, so that the color of the adhesive very similar to the paper can be obtained. The color of the paper pot is closely related to the texture of the user, and the beige color of the adhesive can be obtained to prevent deterioration of the texture. In addition, when lime exceeds 18 parts by weight, the viscosity of the adhesive is increased, and it is not easy to control the thickness of the adhesive applied to the paper.

As the adhesive 130 and the waterproof film 120 are used, the paper 100 may have a pulp purity of 40% to 100%. As such, even if the pulp content is increased, the waterproof effect and the flame retardancy by the adhesive 130 and the waterproof film 120 are exhibited. In addition, the higher the purity of the pulp, the higher the quality of the paper pot.

3 and 4 are views related to a paper pot according to a second embodiment of the present invention.

The paper pot 10 according to the second embodiment of the present invention includes a body portion 1 and a lid portion 2. The second embodiment may have the features of the above-described first embodiment without departing from the contents described below.

The development view shown in FIG. 3 shows that a paper pot is made of a sheet of coated paper 100. Here, the part indicated by a dotted line means a folding line. In one sheet of paper, one side forms a coating layer as described above.

Each side plate 12 is connected about the bottom plate 11 in the paper which cutting was complete | finished. The corner part between the side plate 12 and the side plate 12 is a part which overlaps and becomes the wing 13. Based on the drawings, the first flap 14, which will be described later, is further extended to each side plate of the upper and lower portions.

The main cover plate 21 extends on the left side plate, and the fitting plate 22 extends on the right side plate.

The main cover plate 21 is further extended in the direction away from the side plate 12 and has a larger area than the bottom plate 11. The slit groove 211 is formed in the main cover plate 21.

FIG. 4 is folded according to the development view shown in FIG. 3 to form a paper pot.

After folding up and down the side plate 12 with respect to the bottom plate 11, the extra paper that forms the corners between the side plates 12 is overlapped to form a wing (13). The wings 13 are folded to interview the side plates 12 opposite each other. At this time, each wing 13 and the side plate 12 are bonded by an adhesive. As a result, the body 1 is formed.

The first flap 14 is folded to face the cooking space (S). In FIG. 4, the first flaps 14 are formed one by one on both side plates side by side. At this time, the first flap 14 has the same length as the length of the side plate 12 or has a rather short length. The first flap may cover the excited space between the main cover plate and the side plate covering the cooking space.

Alternatively, a plurality of first flaps divided into one side plate may be formed. Alternatively, the first flap may extend from the wing.

Meanwhile, the lid part 2 includes a main cover plate 21 and a fitting plate 22 that can be fitted into the slit groove 211 formed in the main cover plate 21. At this time, the fitting plate 22 is bent toward the cooking space S, and the main cover plate 21 is rotatable.

After the food is put into the cooking space S, the main cover plate 21 is closed, and the insertion plate 22 is passed through the slit groove 211 to prevent the main cover plate 21 from being lifted.

In addition, the first flap 14 covers the top of the main cover plate 21 covering the cooking space, thereby preventing the space between the main cover plate 21 and the side plate 12 from being opened. As a result, the cooking space has better airtightness as compared to the conventional art, and the heat of the heating mechanism delivered to the bottom plate heats the cooking space sufficiently so that the food is cooked evenly.

5 and 6 are views related to a paper pot according to a third embodiment of the present invention. The paper pot 10 according to the third embodiment of the present invention includes a body portion 1 and a lid portion 2, and the first embodiment or the first embodiment described above in a range not in conflict with the contents described below. It may have the features of the two embodiments.

In the third embodiment of the present invention, the wing 13 is bonded to a part of the overlapping coating surface is not entirely bonded. Specifically, as shown in FIG. 6, the two-ply paper forming the wing 13 may be bonded to only the folded portion (part B of FIG. 6) to form an open space up and down.

Alternatively, the overlapping paper constituting the wings may be completely adhered to each other, and the adhesive surfaces of the wings and the side plates may be bonded only to a part. At this time, the portion where the side plate and the wing is bonded is a portion corresponding to the portion B of FIG.

Bonding of two layers of paper constituting the wing 13 and the wing 13 and the side plate 12 may be performed at the same time. A second flap 23, which will be described later, may be inserted into a gap between the overlapped sheets of paper.

The main cover plate 21 extends from one side of the side plate 12 to cover an open upper portion of the cooking space. The second flap 23 extends from the edge of the main cover plate 21. At this time, at least one second flap 23 is formed, and in FIG. 5, two second flaps 23 are formed along both sides of the main cover plate 21.

The second flap 23 is fitted to the non-bonded portion of the wing 13 or the side plate 12. As a result, the main cover plate 21 can be prevented from being lifted from the side plate 12.

On the other hand, Figure 7 is a perspective view of a paper pot according to a fourth embodiment of the present invention.

The paper pot 10 according to the third embodiment of the present invention includes a body portion 1 and a lid portion 2. It may have the features of the first to third embodiments described above in a range that does not conflict with the contents described below.

Like the embodiment described above, the body 1 includes a bottom plate 11, a side plate 12 and a wing 13.

However, in the fourth embodiment, the wings 13 overlap the inside of the cooking space S. That is, unlike the embodiments described above, the surfaces on which the coating layer is not formed are in contact with each other. At this time, in order to bond the surfaces of the wing 13 in which the coating layer is not formed, an adhesive may be used.

In this way, the wing 13 is wrinkled into the inside of the cooking space (S) to contact the inner surface of the side plate 12 is applicable to the body portion of the first embodiment to the third embodiment.

In addition, the side plate 12 is further formed with a first flap 14 according to the embodiments described above. At this time, a pair of first flaps 14 divided around the center of one side plate 12 is provided. A mounting plate 26 to be described later is formed between the side by side first flaps 14.

In the fourth embodiment, the lid 2 includes a first cover plate 24a, a second extension plate 25b, a second cover plate 24b, a second extension plate 25b, and mounting plates 26. Is made of.

The first cover plate 24a and the second cover plate 24b may extend from side plates at positions facing each other, and may be bent from each side plate to cover an open upper portion of the cooking space S. The combined area of the first cover plate and the second cover plate corresponds to the open upper area of the cooking space.

On the other hand, the first extension plate 25a extends further from the end of the first cover plate 24a and is bent at the end. Similarly, the second extension plate 25b extends from the end of the second cover plate 24b and is bent. The first extension plate 25a and the second extension plate 25b overlap each other when the first and second cover plates cover the cooking space.

The fitting portion H is formed at both end portions of the first extending plate 25a and the second extending plate 25b in the longitudinal direction (forward and backward direction in Fig. 7). This fitting portion H is formed of a fine groove. Positions of the fitting portion H of the first extension plate 25a and the fitting portion H of the second extension plate 25b are opposite to each other, and the first extension plate 25a and the second extension plate 25b are opposite to each other. When overlapping, the positions of the fitting portions H at both ends in the longitudinal direction are coincident with each other.

Mounting plate 26 is formed to extend further from the upper end of the side plate. The protruding height of the mounting plate 26 is at least longer than the protruding lengths of the first extension plate 25a and the second extension plate 25b. In addition, a mounting groove 261 is formed in the mounting plate 26. The mounting groove 261 is a long hole in the vertical direction.

The fitting portion H of the first extension plate 25a and the second extension plate 25b overlaps the insertion groove 261 of the mounting plate 26 (see the hidden line in FIG. 7). As a result, the first cover plate 24a and the second cover plate 24b are not opened arbitrarily.

In addition, the first cover plate 24a and the second cover plate 24b which are opened after cooking may be used as a handle.

On the other hand, a plurality of exhaust holes 27 for discharging the excess steam are formed in the bent line between the first cover plate 24a and the side plate 12 or the bent line between the second cover plate and the side plate 12. The exhaust hole 27 can be omitted. In the figure, four exhaust holes 27 are shown in a slit shape along a bending line between the first cover plate 24a and the side plate 12.

The exhaust hole 27 is a passage through which some of the large amount of steam discharged during the cooking process exits. The excess steam escapes by the exhaust hole 27, so that the amount of steam flowing out between the first extension plate 25a and the second extension plate 25b is reduced. This allows the first and second extension plates superimposed during the cooking process to be used as handles without the risk of burns due to steam.

In addition, the exhaust hole 27 is for the first cover plate 24a or the second cover plate 24b to be easily folded with respect to the side plate. This exhaust hole is also applicable to the fold line between the main cover plate and the side plate in the embodiments described above.

In addition, although not shown, the above-described second flap may be further provided in the paper pot according to the fifth embodiment.

8 to 10 are diagrams illustrating a paper pot according to a fifth embodiment of the present invention. The paper pot according to the fifth embodiment includes a body portion and a lid portion. It may have the features of the above-described first to fourth embodiments in a range that does not conflict with the contents described below.

Referring to the development of FIG. 8, a coating layer is formed on one surface, and the cut paper 100 overlaps the bottom plate 11, the side plate 12, and the side plate 12 and the side plate 12 to overlap the wings 13. Four corners and a lid (2) are included.

The 1st flap 14 is extended in the side plate 12 in which the lid part 2 is not formed. At this time, the position of the first flap 14 may be the same as the first flap of FIG. Furthermore, the auxiliary plate 131 is further extended to the corner part which overlaps and becomes the wing 13. On the other hand, the auxiliary plate 131 extends in the same direction as the direction in which the side plate to which the wing 13 is to be interviewed is formed.

9 shows a prefabricated paper pot just before completion.

In the fifth embodiment, the auxiliary plate 131 extending from the wing 13 is bent so that the wing plate 13 is in contact with the side plate 12 in which the surface on which the coating layer is formed is in contact with the wing plate 13. Is bonded to the outer surface of the.

Specifically, in the wings denoted by reference number 13a in FIG. 9, the paper 100 folds are bonded to the coating surface by a method such as thermal fusion using ultrasonic waves.

In the wings indicated by reference numeral 13b, the overlapping papers are bonded to each other to form a single body, and the auxiliary plate 131 is folded to contact the wings (arrow direction). Then, when the wings are folded to interview the front side plate of the drawing, the coating layer of the auxiliary plate 131 meets the side plate 12.

The wing denoted by reference number 13c is fixed to the side plate 12 in a heat fusion method using a waterproof film of the coating layer of the auxiliary plate.

Figure 10 shows a schematic superposition of the assembled wings. In the overlapped paper 100 forming the wings 13, the coating layers 110 face each other. In addition, the coating layer of the auxiliary plate 131 extending from the wing is bent toward the side plate 12. Accordingly, the waterproof film of the coating layer 110 can be used to attach the paper sheets and the side plates to each other by a heat fusion method.

In this case, thermal fusion may be attached to both the superimposed paper 100 and the auxiliary plate 131 and the side plate 12 of the wings by one heat fusion in the state of folding the paper as shown in FIG. 10. At this time, the thermal fusion may use ultrasonic waves.

This fifth embodiment allows to eliminate the use of the adhesive, it has the advantage of improving the assembly.

Referring back to FIG. 8, the lid part 2 covering the open top of the cooking space is formed of the main cover plate 21 and the fitting plate 22 of the above-described embodiment.

Alternatively, the lid portion may be replaced by the first and second lid portions of the fourth embodiment described above. Alternatively, a second flap extending from the main cover plate or the first and second lid portions may be formed in place of the first flap.

In addition, in the above-described embodiments, the insertion plate inserted into the slip groove may have a cutting line spaced apart from each other at a bend line connected to the side plate, and a punching tool may be formed at an end of the cutting line. The insertion plate inserted into the slit groove by the cutting line and the other tool can be more securely caught in the slit groove.

10: paper pot
1: Body
11: bottom plate 12: side plate 13: wing 131: assisting plate 14: first flap
2: lid
21 main cover plate 211 slit groove 22 fitting plate 23 second flap
24a: first cover plate 24b: second cover plate 25a: first extension plate
25b: second extension plate H: fitting portion 26: mounting plate 261: mounting groove
27: exhaust hole
100: paper 110: coating layer 120: waterproof film 130: adhesive S: cooking space

Claims (11)

It is produced by folding one piece of paper,
The upper part is an open shape, the body portion is formed with a cooking space containing food therein,
A lid portion extending from the side plate of the body portion and covering an upper portion of the body portion opened;
Paper pots in which the adhesive and the waterproof film is sequentially stacked on the inner surface forming the cooking space. In claim 1,
The adhesive comprises polyurethane resin, ethyl acetate and lime,
Based on 100 parts by weight of the polyurethane resin, the lime contains 5 to 25 parts by weight of a paper pot. In claim 1,
The body
Polygon bottom plate,
Side plates folded at each corner of the bottom plate and erected with respect to the bottom plate;
A paper pot comprising wings formed by pleating and bonding extra paper formed between neighboring side plates. 4. The method of claim 3,
The lid portion
A main cover plate extending from one side plate and covering the entire upper portion of the cooking space;
Paper pots including a fitting plate extending from the other side plate, which can be fitted into the slit groove formed in the main cover plate. 5. The method of claim 4,
Each said wing abuts neighboring side plates,
And a first flap extending upward from the side plate and bent to overlap the main cover plate covering the cooking space to prevent lifting of the main cover plate. 5. The method of claim 4,
The main cover plate
At least one second flap that can be inserted into the gap between the upper side of the paper and the wing overlapping the paper pot is formed. 4. The method of claim 3,
The lid portion
A first cover plate and a second cover plate extending from the side plates of opposite positions to each other,
A first extension plate and a second extension plate extending from each of the ends of the first cover plate and the ends of the second cover plate and overlapping with each other;
A paper pot extending from the other side plate and provided with a mounting plate is formed with a mounting groove for fitting the fitting portion. In claim 7,
A paper pot having a plurality of exhaust holes for discharging excess steam is formed in a bending line between the first cover plate and the side plate or a bending line between the second cover plate and the side plate. It is manufactured by folding a sheet of paper on which one side of the adhesive and the waterproof film are sequentially laminated to form a coating layer.
Polygonal bottom plate, side plates folded at each corner of the bottom plate to stand against the bottom plate
A paper extending from neighboring side plates is formed by pleating folds, wings folded to contact the side plates, and
An auxiliary plate extending from the paper making up the wing,
The auxiliary plate is a paper pot which is bent to contact the side plate is the side plate that the coating layer is formed is in contact with the side plate. The method of claim 9,
Further comprising a lid portion covering the cooking space formed by the bottom plate and the side plates,
The lid portion
A main cover plate extending from one side plate and covering the entire upper portion of the cooking space;
Paper pots including a fitting plate extending from the other side plate, which can be fitted into the slit groove formed in the main cover plate. 11. The method of claim 10,
A paper pot extending from the side plate to the top and bent so as to overlap on the main cover plate covering the cooking space to prevent lifting of the main cover plate.

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