JP2009120213A - Paper-made container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a paper-made container which is not slipped down from a hand when lifting the paper-made container storing food, and capable of maintaining the just-fried eating quality even if a hot fried food immediately after the frying is stored. <P>SOLUTION: The paper-made container 1 is formed by folding one blank sheet, and has an opening on its upper part. First and second sidewalls 3 and 4 are erected along each curved ridge 2a, the center of a bottom is raised, and folded pieces are formed by folding a portion of the predetermined width from side edges 3e and 4e of the first and second sidewalls 3 and 4 along the erecting direction, and the predetermined length from lower ends of the first and second sidewalls 3 and 4. The side edges 3e and 4e of the first and second sidewalls 3 and 4 overlap each other and are joined with each other so that a lower end of each folded piece is matched with each linear ridge 2b of the bottom 2. Each of a pair of tongue pieces 5 is erected along the linear ridge 2b, and stuck to the outer side of the joined part of the first and second sidewalls 3 and 4. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a paper container suitable for storing foods such as fried chicken and potato sticks provided in a fast food store.

  Paper containers can be recycled and have the advantage of better heat retention than plastic containers. In addition, when fresh food in the store is stored in a paper container and eats and drinks, oil or steam generated from the fresh food may cause condensation on the inner surface of the paper container, This kind of paper container has been devised to maintain the fresh texture so that a portion of the water and the water will not move to the food again and deteriorate the texture. For example, the paper cup disclosed in Japanese Patent Laid-Open No. 2000-153823 is composed of a laminated sheet whose innermost surface is made of a heat-fusible non-woven fabric, and oil and moisture generated from fresh food are absorbed and stored in the non-woven fabric. Fresh food can maintain a fresh texture.

JP 2000-153823 A

  The above conventional paper cups are usually stacked and carried in, so that there are no handles. When placed on the table, the lower surface comes into contact with the table surface. However, there is a risk that a person with weak hand strength may slip and drop the paper cup from his hand when lifting the paper cup containing food, because the sides are slippery.

  Paper cups also absorb fresh oil and moisture in the non-woven fabric when a large amount of oil and moisture is generated from the deep-fried food, especially when fried food is stored in a paper container when eating fresh food in the store. Since it is not possible to wait for a while after fried food, evaporate some oil and moisture to some extent and then transfer it to a paper cup to maintain the freshly-fried texture. There is a problem of cooling down a little.

  Even if a paper container containing food is placed on the table, the present invention does not slide off the hand when it is lifted, and the hot fried food immediately after being fried is stored in the paper container. In addition, even if a lot of oil and moisture is generated from the fried food, it is possible to prevent the oil and water generated from the fried food from being transferred to the fried food again, and to provide a paper container that can maintain a freshly fried food texture. is there.

  In order to solve the above-mentioned problem, the invention according to claim 1 is a barrel-shaped structure in which a pair of curved sides bulge outward and are arranged opposite to each other, and a pair of straight sides are arranged opposite to each other adjacent to the curved sides. A blank having a bottom portion, wherein the first and second side wall portions are connected to the curved sides of the bottom portion, and a pair of tongue pieces are connected to the straight sides of the bottom portion, respectively. A sheet container formed by bending a sheet and having an opening at an upper portion thereof, wherein the first and second side wall portions are erected along the curved sides, the center of the bottom portion is raised, and the erection direction is along The first and second side wall portions have a predetermined width from each side edge and a predetermined length are bent from the lower ends of the first and second side wall portions to form bent pieces, and the lower ends of the respective bent pieces. Of the first and second side wall portions so as to coincide with the straight sides of the bottom portion. Edges are overlapped and joined, and each of the pair of tongue pieces is erected along the straight side and adhered to the outside of the joining portion of the first and second side wall portions. It is a made container.

  According to a second aspect of the present invention, there is provided a pair of straight lines at positions having a predetermined width from each side edge of the first and second side wall portions and a predetermined length from the lower ends of the first and second side wall portions. A fold is formed, and each side edge along the rising direction of the first side wall and the second side wall is bent along the fold to form the bent piece, and a lower end of each bent piece. The side edges of the first and second side wall portions are overlapped and joined so as to coincide with each straight side of the bottom portion, and each of the pair of tongue pieces is erected along the straight side, On the outer side of the joint portion between the first and second side wall portions, a flat surface surrounded by a U-shape is formed by three linear fold portions by the pair of linear folds and the linear sides, 2. The paper container according to claim 1, wherein each of the tongue pieces is bonded to the flat surface.

  According to a third aspect of the present invention, the bottom portion is provided with a cross projecting shape diagonally connected to the inner surface, and a depression is provided in the lower portion of the paper container by curve molding in which the center of the bottom portion is raised. The paper container according to claim 1 or 2, wherein the protrusion is in a descending arrangement from the bottom center toward the recess.

  According to the present invention, even when a paper container containing food is placed on the table, the center of the bottom of the paper container is raised, so when lifting, a finger (middle finger, ring finger, etc.) Can be lifted while supporting the lower part of the paper container, so that it can be prevented from sliding down. In addition, the tongue of the paper container is bonded to a flat surface surrounded by a U-shape with three linear folds formed by a pair of linear folds and straight sides, so that the center of the paper container is held at the center. If you hold two fingers (thumb, middle finger) near the tongue piece and hold it with your hand, you can hold the paper container firmly without slipping the surface on which the finger is applied.

  In addition, the ridges are provided in a crossing manner diagonally connecting to the inner surface of the bottom part, and a depression is provided in the lower part in the paper container by the curved molding in which the center of the bottom part is raised, so that the fried food in a hot state immediately after frying When stored in a paper container, the oil from the deep-fried food is transferred to the ridges and quickly accumulated in the dents to drain the oil.

  Hereinafter, the present invention will be described in detail with reference to the drawings illustrating embodiments.

  1 is a perspective view of the first embodiment of the present invention, FIG. 2 is a development view of FIG. 1, FIG. 3 is an enlarged sectional view taken along line AA of FIG. 2, FIG. 4 is a right side view of FIG. 4 is a front view of FIG.

  1-5, the paper container 1 is formed from the one blank sheet 1a shown in the expanded view of FIG. The blank sheet 1a has a barrel-shaped bottom 2 at the center. The barrel-shaped bottom 2 has a pair of arc-shaped curved sides 2a, 2a bulging outward and arranged opposite to each other on the left and right, and a pair of linear sides 2b, 2b arranged opposite each other adjacent to each curved side 2a. ing. And in the bottom part 2, the 1st side wall part 3 is provided in a row by the one curved side 2a. The first side wall 3 is formed such that the outer periphery 3b bulges outward in an arc shape in parallel with the one curved side 2a. The second side wall 4 is connected to the other curved side 2 a of the bottom 2. The second side wall 4 is formed such that the outer periphery 4b is recessed inward in an arc shape in parallel with the other curved side 2a. In addition, tongue pieces 5 are connected to the pair of straight sides 2b, 2b of the bottom portion 2, respectively. The tongue piece 5 is formed in a triangular shape having a pointed tip with the straight side 2b as a base.

  This blank sheet 1a is formed by laminating a paperboard as a base material layer and laminating a fluororesin, an acrylic resin coated paper, a polyvinyl alcohol resin, a synthetic resin layer that can be heat-sealed on one or both sides of the paperboard, Oil resistance is given.

  In the blank sheet 1a, the first and second side wall portions 3 and 4 are formed such that the respective linear side edges 3a and 3a in the outward direction and the linear side edges 4a and 4a are wide toward the outside. It is formed so as to be loosely tapered. The first and second side wall portions 3 and 4 are provided so as to protrude from the respective corners 2c of the bottom portion 2 by a predetermined width in the extending direction on both sides of the curved sides 2a and 2a.

  Further, the end sides 3a and 3a and the end sides 4a and 4a are linearly formed by perforations at predetermined positions from the end sides 3a and 4a in parallel to the end sides 3a and 4a and from the respective corners 2c of the bottom 2 to a predetermined length. Folds 3c and 4c are formed. The folds 3c and 4c may be formed by thin portions by pressing instead of the perforations.

  The blank sheet 1a is provided with arc-shaped ridges 6a and 6a and linear ridges 6b and 6b along the curved sides 2a and 2a and the straight sides 2b and 2b at the bottom 2. In addition, an X-shaped intersecting ridge 6c is provided that crosses the corners 2c diagonally in a straight line and intersects at the center. These ridges 6a, 6b, 6c provided on the inner surface of the bottom part 2 protrude into the paper container 1 with a predetermined thickness, and the oil of the stored fried food is transmitted to the lower part through the ridges 6a, 6b, 6c. Since it is guided, it functions as an oil drain guide.

  Next, the assembly of the paper container 1 by bending the blank sheet 1a will be described. In the unfolded state of FIG. 2, first, the first and second side wall portions 3 and 4 are bent and raised along the curved sides 2a and 2a. And if each tongue piece 5 and 5 is bent along the straight sides 2b and 2b and stood up, the trough 5a will be formed in parallel with the protrusion 6b along the straight sides 2b.

  The first and second side wall portions 3 and 4 are folded inwardly by the folds 3c and 4c into the valley groove 5a, and the lower end portions of the bent pieces 3d and 4d are inserted, and the first and second side walls are inserted. The side edges 3e and 4e along the standing direction of the parts 3 and 4 are overlapped, and the overlapped portions of the side edges 3e and 4e are bonded with glue, hot melt adhesive or the like. And the contact part of the trough 5a and the lower end part of each bending piece 3d, 4d is adhere | attached similarly, and the tongue piece 5 is similarly adhere | attached on the outer side of the overlapping part of the side edges 3e, 4e. As a result, the lower end of the first and second side walls 3 and 4 is firmly inserted into the trough 5a, and the paper container 1 having the elliptical opening 7 is assembled.

  When the paper container 1 is set up in an upright state, the barrel-shaped bottom 2 has a straight side 2b as a lower portion, the center rises along the curved side 2a, and a curved surface is formed on the bottom 2. The side walls 3 and 4 and the curved surface of the bottom 2 form a recess 2d in the lower part of the paper container 1.

  In the blank sheet 1a, the first side wall 3 is formed in an arc shape in which an outer periphery 3b parallel to the curved side 2a bulges outward, and the second side wall 4 is an outer periphery parallel to the curved side 2a. 4b is formed so as to be recessed in an arc shape inside. Therefore, as shown in FIG. 5, the paper container 1 placed in an upright state generally has an appearance in which a truncated cone is inverted and the upper part is obliquely cut, and the upper opening surface 7 is elliptical. .

  The paper container 1 is not limited to the embodiment, and the outer periphery 3b of the first side wall 3 and the outer periphery 4b of the second side wall 4 are linear in the shape of the blank sheet 1a. As shown in a two-dot chain line in FIGS. 4 and 5, the upper opening surface 7 can be formed in a circular shape.

  Next, with reference to FIG. 6, the case where the fried food (Potato stick in the figure) P immediately after fried is stored in the paper container 1 will be described. Even if the paper container 1 containing the fried food is placed on the table, the center of the bottom part 2 of the paper container 1 is raised, so when lifting, fingers (middle finger, ring finger, etc.) Can be inserted and lifted while supporting the lower part of the paper container 1.

  In addition, when the fried food immediately after fried is stored in the paper container 1, the fried food is placed on the ridge line of the X-shaped intersecting ridge 6c that intersects at the center. In that case, the oil dripped from the stored deep-fried food flows along the intersecting protrusion 6c and accumulates in the lower depression 2d. The fried food stored in the paper container 1 is quickly drained by the action of oil transmitted through the intersecting ridges 6c.

  Further, the paper container has a straight edge between the straight creases 3c and 4c around the joint portion where the tongue piece is bonded to the outside of the overlapped portion of the side edges 3e and 4e of the first and second side walls. Since a flat surface is formed by being surrounded by a U-shape by three linear folds that are continuous in 2b, the side wall 3 (4) of the paper container 1 is placed on the palm and fingers (thumb, middle finger, etc.) Is held by hand in contact with the flat surface, the flat surface in contact with the finger can be securely held without slipping.

  As described above, according to the present invention, when lifting a paper container containing food, a finger (middle finger, ring finger, etc.) can be inserted from the side to the lower part to support the lower part of the paper container. In addition, since the flat surface with which the finger is in contact can be firmly held without slipping, it can be prevented from sliding and dropping.

  In addition, when hot fried food immediately after frying is stored in a paper container, the oil from the fried food in the paper container is transferred to the ridges and quickly drains, and the oil is drained. The oil and moisture are prevented from being transferred again to the deep-fried food, and the freshly-fried texture can be maintained.

  The paper container of the present invention can maintain the fresh texture by storing the oil content of the stored deep-fried food in the lower part, but also stores food such as freshly cooked rice, fresh bread, and steamed bread. Since the moisture can be stored in the lower part, the fresh texture can be maintained even when fresh food other than fried food is stored.

It is a perspective view of Example 1 of the present invention. FIG. 2 is a development view of FIG. 1. It is an AA line expanded sectional view of FIG. It is a top view of FIG. FIG. 5 is a right side view of FIG. 4. It is a partially missing front view of the state which stored the fried food in the paper container.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Paper container 1a Blank sheet 2 Bottom part 2a Curved side 2b Straight side 2c Corner 3 1st side wall part 3a, 4a End side 3b, 4b Outer periphery 3c, 4c Fold 3d, 4d Folding piece 3e, 4e Side edge 4 First 2 side wall portion 4b concave side 5 tongue piece 5a valley groove 6a arc-shaped ridge 6b linear ridge 6c cross ridge 7 opening 7
P Potato Stick

Claims (3)

A pair of curved sides bulge outward and are arranged to face each other, and a pair of straight sides have a barrel-shaped bottom part arranged to face each other adjacent to the curved side, and each curved side of the bottom part has a first side. And a second side wall portion and a pair of tongue pieces connected to each straight side of the bottom portion, and a blank sheet is folded and formed into a paper container having an opening at the top. And
The first and second side wall portions are erected along the curved sides and the bottom center is raised, and the first and second side wall portions along the erecting direction have a predetermined width from each side edge and A predetermined length is bent from the lower ends of the first and second side wall portions to form a bent piece, and the lower ends of the bent pieces are made to coincide with the straight sides of the bottom portion. Side edges of the second side wall portion are overlapped and joined, and each of the pair of tongue pieces is erected along the straight side and adhered to the outside of the joining portion of the first and second side wall portions. A paper container characterized by comprising:   A pair of creases are formed in a straight line at a position having a predetermined width from each side edge of the first and second side wall portions and a predetermined length from the lower ends of the first and second side wall portions. Each side edge along the standing direction of the part and the second side wall part is bent along the crease to form the bent piece, and the lower end of each bent piece is made to coincide with each straight side of the bottom part. In this way, the side edges of the first and second side wall portions are overlapped and joined, and each of the pair of tongue pieces is erected along the straight side, and the first and second side wall portions are A flat surface surrounded by three linear folds in a U-shape is formed by the linear pair of folds and the linear sides on the outer side of the joint portion, and each of the pair of tongue pieces is the flat surface. The paper container according to claim 1, which is bonded to the paper.   The bottom part is provided with a cross projecting shape diagonally connected to the inner surface, and a depression is provided in the lower part in the paper container by curve molding in which the center part of the bottom part is raised, so that the ridge is formed from the center part of the bottom part. The paper container according to claim 1 or 2, wherein the paper container is in a descending arrangement toward the depression.