JP2566638Y2 - Paper cup - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a paper cup provided with a body formed as a hollow cylindrical body and a bottom plate, and formed by joining the body and the bottom plate.

[0002]

2. Description of the Related Art Conventionally, foods (for example, pudding, jelly, bavarois, yogurt, mousse, frozen dessert, frozen food,
Powdered food, granular food, noodles, instant food, retort food,
2. Description of the Related Art Paper cups are used as containers for packaging goods in not only the industrial field dealing with beverages and the like and chemical products (eg, powder detergent, liquid detergent, etc.) but also in all industrial fields. Usually, a paper cup includes a body formed as a hollow cylindrical body and a bottom bottom plate, and is formed by applying a predetermined strength by joining a lower portion of the body and an end of the bottom plate. Some paper cups are made of a layered material such as polyethylene / paper / aluminum foil / polyethylene, depending on the contents to be filled, and the strength of the paper cup formed of such a material is high. Is generally quite high. For this reason, even if a paper cup that has completed its original function is to be disposed of after being used without being bulky, the body of the cup is configured not to be easily crushed. There was a problem that it was not always easy.

[0003]

SUMMARY OF THE INVENTION Accordingly, an object of the present invention has been made in view of the above-mentioned problems of the prior art, and when disposing a cup after use, a slight force is applied in the horizontal direction. An object of the present invention is to provide a paper cup which can be crushed into a flat state by simply adding it. Another purpose of the present invention is
An object of the present invention is to provide a paper cup which can be crushed after use to reduce its bulk and can be discarded. Another object of the present invention is that when a cup is discarded, it is not easily deformed even when a load is applied from a vertical direction to a portion that crushes into a flat state by applying a slight force in a horizontal direction, An object of the present invention is to provide a paper cup provided with a structure for reinforcing a reduction in strength against a load.

[0004]

According to the present invention, there is provided a body formed as a hollow cylindrical body, and a bottom plate, wherein a lower portion of the body and an end of the bottom plate are joined and formed. However, a folding cylinder peripheral line for crushing the cup formed at a position parallel to the bottom plate in the trunk portion, and a pair of folding guiding lines extending from both ends of the folding cylinder peripheral line toward the opening of the cup, A paper cup having a first folding guide line formed by a semicircular curved line and having both ends of the folding cylinder peripheral line as ends and provided below the folding cylinder peripheral line. is there.

[0005] It is important that the folding guide line is formed perpendicular to the folding trunk circumferential line.

In addition, a folding auxiliary line is formed at a portion surrounded by the folding cylinder peripheral line and the first folding guide line. In this case, the folding auxiliary line is formed in a direction perpendicular to the folding cylinder peripheral line, and the folding auxiliary line does not intersect with the folding cylinder peripheral line and the first folding guide line. Make up a group. Note that the above-mentioned folding auxiliary line is used not only for folding but also for reinforcement. Therefore, the body and the bottom of the paper cup are folded by pressing a little above the lowest point of the first folding guide line with a finger, and the folding trunk circumferential line and the first folding It is also configured to reinforce the reduction in strength of the paper cup against vertical load caused by the formation of the guide line. For this purpose, the above-mentioned folding auxiliary line is formed by the folding trunk circumference and the first
At least 3 in the area defined by the fold guide line
A longitudinal rib group is formed by arranging a plurality of, preferably about 5 to 12 ribs.

In addition, the folding cylinder peripheral line is formed at a position approximately half the height of the trunk portion, and the length of the folding cylinder peripheral line is set at the position where the folding cylinder peripheral line is disposed. It may be formed to have a length substantially half of the circumference.

Further, the above-mentioned folding cylinder peripheral line, folding guiding line, first
It is preferable that each folding line of the folding guide line, the second folding guide line and the folding auxiliary line is formed to be concave or convex, and the direction of formation of the unevenness is as described above in consideration of the folding direction of the cup when the cup is crushed. The folding trunk circumferential line is formed in a state of inward convex toward the inside of the cup with a line width, and the folding guiding line, the first folding guiding line, the second folding guiding line, and the folding auxiliary line,
It is effective to form in a outwardly convex state with a line width toward the outside of the cup.

[0009] Both ends of the folding body peripheral line are provided as ends on a body peripheral surface opposite to the body peripheral surface on which the folding body peripheral line and the first folding guide line are formed. A second folding guide line may be provided with the lowermost point being above the joint between the bottom plate and the bottom plate.

[0010] The material of the paper cup is not particularly limited as long as it is mainly made of paper.
If the contents to be filled are liquid and the global environmental pollution due to disposal is taken into consideration, it is particularly preferable to form the layered material such as polyethylene / acid-resistant paper / polyethylene. In the case where a stitching portion is formed when forming a hollow body portion, a stitching portion is provided at a portion surrounded by the folding trunk circumferential line, the folding guide line, the first folding guide line, and the folding auxiliary line. It is desirable to provide each folding line so as not to be performed.

[0011]

[Operation] At the time of disposal, when a finger is lightly pressed with a finger over a portion surrounded by the folding trunk circumferential line and the first folding guide line, for example, a junction between the trunk and the bottom plate, the trunk and the bottom of the cup are displaced. It is easily folded and the volume of the cup is significantly reduced. Further, the folding auxiliary line reinforces the reduction in the strength of the paper cup with respect to the vertical load caused by the formation of the folding trunk circumferential line and the first folding guide line.

[0012]

An embodiment will be described with reference to the drawings. In the following embodiments, an example is shown in which the body is formed in a truncated cone shape and the bottom side is formed in a watertight structure. However, it is needless to say that the present invention is not limited to this.

FIG. 1 is a front view of the paper cup according to the present invention, FIG. 2 is a left side view of the paper cup according to the present invention, and FIG.
2 is a schematic cross-sectional view taken along line XX of FIG. In these figures,
The paper cup 10 includes a body 11 having a truncated cone shape formed as a hollow cylindrical body, and a bottom plate 12. A lower portion of the body 11 is joined to an end of the bottom plate 12, and a water-tight structure is formed on the bottom side. Is formed.

The body part 11 is formed by a folding body circumference 13 for crushing a cup formed at a position parallel to the bottom plate 12 in the body part 11, and two ends A and B of the folding body circumference 13 form a cup. It has a pair of first folding guide wires 14 and second folding guide wires 15 extending toward the opening.
Further, the trunk portion 11 has a first folding guide line 16 provided at a lower side of the folding trunk peripheral line 13 with both ends A and B of the folding trunk peripheral line 13 as end terminals, and the folding trunk periphery. A folding auxiliary line 17, 18, 19, 20, 21 is provided at a portion surrounded by the line 13 and the first folding guide line 16.

The first folding guide line 14 and the second folding guide line 15 are formed perpendicular to the folding trunk circumferential line 13. In addition, the folding auxiliary lines 17, 18,
19, 20, 21 are formed in a direction perpendicular to the folding cylinder peripheral line 13, and the folding cylinder peripheral line 13 and the folding curve 16 are formed.
And a vertical rib group composed of five ribs that do not intersect (reach). Thus, the folding auxiliary lines 17, 18, 19, 2
0 and 21 reinforce the reduction of the strength of the paper cup against the vertical load caused by the formation of the folding cylinder circumferential line 13 and the first folding guide line 16. In addition, the folding trunk 13 is formed at a position approximately half the height of the trunk 11, and the length of the folding trunk 13 is determined by the position of the folding trunk 13. Is formed so as to have a length approximately half the circumference of the torso. The lowermost point C of the first folding guide line 16 is located at a position above the joint between the trunk 11 and the bottom 12 and at the same distance from both ends A and B of the folding trunk circumferential line 13. In this way, the first folding guide line 16 is formed by a semicircular arc-shaped curve. And, the folding drum circumferential line 13 is formed in an inward convex state with a line width,
On the other hand, the first insertion guiding line 14 and the second insertion guiding line 1
5. The first folding guide line 16 and the folding auxiliary line 1
7, 18, 19, 20, and 21 are formed in outward convex shapes having a line width.

Thus, substantially at the center of the portion surrounded by the folding trunk circumferential line 13 and the first folding guide line 16, for example, above the joint between the lower part of the trunk 11 and the end of the bottom plate 12. When the upper part of the lowermost point C of the first folding guide line 16 is slightly pressed with the finger toward the inside of the paper cup 10, first, the upper part of the paper cup 10 Then, the second folding guide line 15 is flattened and collapsed (see FIG. 4), and then the bottom plate 12 is folded around the folding trunk circumferential line 13 while substantially keeping the original shape of the bottom plate 12 (see FIG. 5). As a result, the paper cup is almost flattened and the volume of the cup is significantly reduced.

FIGS. 6 and 7 show other examples of the paper cup.
This embodiment is different from the first embodiment in that the cup 10 has a body 11 formed as a hollow cylindrical body.
And a bottom plate 12, wherein a lower portion of the body 11 and an end of the bottom plate 12 are joined to each other. A point in which a folding trunk circumferential line 13 for crushing a cup is provided at a position parallel to the bottom plate 12 in the trunk portion 11. Above the folding trunk 13, both ends A and B of the folding trunk 13 are ends, and extend toward the opening of the cup.
Folding guide lines 14 and 15 which are orthogonal to the folding trunk 13 are provided, and the folding trunk 13 is provided below the folding trunk 13.
A first folding guide line 16 is provided in which both ends A and B are terminated, and the upper part of the joint between the body 11 and the bottom plate 12 is a lowermost point C. The point that the folding auxiliary line constitutes the vertical rib group. Is the same as that of the first embodiment, except that both ends A of the folding body circumferential line 13 are provided on the body circumferential surface opposite to the body circumferential surface where the folding body circumferential line 13 and the first folding guide line 16 are formed. , B, and a second folding guide line 40 having the lowermost point D above the joint between the body 11 and the bottom plate 12. Is different from the first embodiment. In this embodiment, an example is shown in which the second folding guide line 40 is formed in the same shape as the first folding guide line 16 and is formed in an outwardly convex state having a line width.
Of course, the second folding guide line 40 may be formed in an arbitrary shape different from the first folding guide line 16. According to this embodiment, the cup can be more easily crushed, and a paper cup which is easily crushed and easily disposed can be obtained.

FIG. 8 shows another example of the paper cup. This embodiment is different from the first embodiment in that the number of folding auxiliary lines is increased, and twelve auxiliary lines 27 and 2 are provided.
8, 29, 30, 31, 32, 33, 34, 35, 3
6, 37, 38 constitute a vertical rib group. Is different from the first embodiment.

According to this embodiment, the reduction in the strength of the paper cup with respect to the vertical load caused by the formation of the folding cylinder peripheral line and the first folding guide line is more sufficiently reinforced.

In each of the above embodiments, the fold line is formed by the fold body circumferential line, the fold guide line, the fold guide line, and the fold auxiliary line, but the fold line may be formed as necessary. Of course.

[0021]

[Effects of the Invention] Since the present invention is configured as described above, the following effects can be obtained. When the cup is discarded after use, a paper cup that crushes into a flat state can be obtained by applying only a slight force in the horizontal direction. A paper cup that can be crushed after use to reduce bulk and to be discarded is obtained. Equipped with a structure that reinforces the reduction in strength against vertical load, when the cup is discarded, it is not easily deformed even if a load is applied from the vertical direction to the part that crushes into a flat state by applying a slight force in the horizontal direction A paper cup is obtained.

[Brief description of the drawings]

FIG. 1 is a front view of a paper cup according to the present invention.

FIG. 2 is a left side view of the paper cup according to the present invention.

FIG. 3 is a schematic sectional view taken along line XX of FIG. 1;

FIG. 4 is a diagram illustrating the paper cup according to the present invention, which is formed at a substantially central portion of a portion surrounded by a folding cylinder peripheral line and a first folding guide line, and is lightly pushed above a joint portion between the trunk portion and the bottom plate. It is a figure showing a state in the middle of crushing a cup by applying pressure.

FIG. 5 is a diagram showing a state in which pressing force is further applied from the state of FIG. 4 to complete the crushing.

FIG. 6 is a side view of another example of the paper cup according to the present invention.

FIG. 7 is a rear view of the paper cup shown in FIG. 6;

FIG. 8 is a front view of another example of the paper cup according to the present invention.

[Explanation of symbols]

REFERENCE SIGNS LIST 10 paper cup 11 trunk 12 bottom plate 13 folding trunk circumference 14 first folding guiding 15 second folding guiding 16 first folding guide 17, 18, 19, 20, 21, 27, 28, 29 , 3
0, 31, 32, 33, 34, 35, 36, 37, 38
Insertion auxiliary line 40 Second insertion guide line

 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-56-48949 (JP, A) JP-A-6-7568 (JP, U) JP-A 4-27381 (JP, Y2)

Claims (7)

(57) [Scope of request for utility model registration] 1. A body (11) formed as a hollow cylinder.
When, with the bottom plate (12), the lower and the bottom plate (12) and an end portion formed by bonding of a position parallel to the bottom plate in the barrel (11) (12) of said barrel (11) A folding body circumference (13) for crushing the cup is provided, and the folding body circumference (1) is provided above the folding body circumference (13).
3) A pair of folding guide wires (14, 15) are provided, each of which has ends (A, B) at each end and extends toward the opening of the cup, and are orthogonal to the folding trunk circumferential line (13). Both ends (A, B) of the folding body peripheral line (13) are ends below the folding body peripheral line (13).
1) and a cup provided with a first folding guide line (16) having a lowermost point (C) above a joint portion between the bottom plate (12) and the bottom plate (12) .
And the first folding guide line (16) is formed by a semicircular curve.
Formed, and the folding cylinder peripheral line (13) and the first folding guide line (1
6), at the portion surrounded by
3) and at least three auxiliary folding lines (17, 18, 19, 20, 20) that do not intersect with the first folding guide line (16) and are perpendicular to the folding trunk circumferential line (13). 21, 27, 28,
29, 30, 31, 32, 33, 34, 35, 36, 3
7, 38). A paper cup. 2. The folding auxiliary line (17, 18, 19, 2)
0, 21, 27, 28, 29, 30, 31, 32, 3
3, 34, 35, 36, 37, 38)
The paper cup according to claim 1. Wherein the fold induction line (14, 15), said folding cylinder circumferential line (13) according to claim 1 also are formed perpendicular to
Is a paper cup according to 2. 4. The folding cylinder peripheral line (13) is connected to the trunk (1).
1) is formed at a height position substantially half of the height, and the length of the folding trunk circumference (13) is substantially half of the circumference of the trunk at the disposition position of the folding trunk circumference (13). of formed in length and the two ends of the lowermost point (C) said first fold guiding line (16) (a, B) according to claim 1 to 3 any one placed from equidistant points Paper cup according to the item. 5. The folding cylinder peripheral line (13) is formed in an inwardly convex state having a line width, and the folding guiding lines (14, 15),
The first folding guide line (16) and the folding auxiliary line (1
7, 18, 19, 20, 21, 27, 28, 29, 3
0, 31, 32, 33, 34, 35, 36, 37, 3
8) is formed in an outwardly convex state having a line width.
The paper cup according to any one of claims 1 to 4 . 6. Both ends of the folding body circumferential line (13) are provided on the body circumferential surface opposite to the body circumferential surface on which the folding body circumferential line (13) and the first folding guide line (16) are formed. A second folding guide line (40) having a portion (A, B) as an end is provided.
5. The paper cup according to any one of 5 . 7. The second folding guide line (40) is formed as a folding line having a lowermost point (D) above a joint between the body (11) and the bottom plate (12), and The paper cup according to claim 6, wherein the cup is formed in the same shape as the first folding guide line (16).