JP2002249121A - Assembly set for cup vessel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an assembly set for a cup vessel which is capable of being produced without an expensive production facility and also has small capacity before use and further is capable of easily being assembled into a cup shape when used and is capable of easily being disassembled after use. SOLUTION: The assembly set for the cup vessel comprises a sleeve which is made into a flat shape by folding both ends of a fan shaped blank via two longitudinal folding lines and laminating both the ends, and a tray shaped bottom. The sleeve is raised and formed into a cylindrical barrel part, and the bottom is inserted into the barrel part from an upper opening and fixed in place, thus forming the cup container. A plurality of fitting pieces for holding the bottom at a predetermined position in the lower part of the barrel part are provided in such a way as to be cut into the inside of the barrel part via the horizontal folding line for the fitting pieces above this horizontal folding line. Further, protruded parts are provided on both sides of the upper end of the longitudinally folding line with this end as a central point, along the upper side of the sleeve, via the folding line of the protruded part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cup container assembling set which can be easily assembled into a cup shape for use.

[0002]

2. Description of the Related Art Conventionally, cup-shaped containers have been widely used for beverages, frozen desserts, and the like. This cup-shaped container is used not only for confectionery and food, but also for medical examinations, flowerpots and the like. A commonly used paper cup container is a cup molding machine, in which a fan-shaped blank is wrapped around a core to form a body, the lower end of which is folded inward, and the outer peripheral edge of which is bent below the bottom is sandwiched. It is formed by joining with heat and pressure.

[0003]

However, the conventional cup-shaped container is already formed in a cup shape, and it is difficult to reduce the volume by folding and to reduce the volume before use. is there. In addition, this paper cup forming machine is a dedicated machine, and has a problem that the shape is limited and the equipment cost is high. In order to solve this problem, the production equipment cost is not high, the volume at the time of sale before use can be reduced, and when used, several parts are easily assembled to form a cup container There is a need for an assemblable cup container set.

The present invention can be manufactured without requiring expensive manufacturing equipment, has a small volume before use, can be easily assembled into a cup shape when used, and can be easily disassembled after use. Provide a cup container assembly set.

[0005]

As a result of studying to solve the above-mentioned problems, the present invention shows that the both sides of a fan-shaped blank are folded by two vertical fold lines provided in a vertical shape so that both edges are formed. A cup container is formed by laminating a flat-shaped sleeve and a tray-shaped bottom, and raising the sleeve to form a cylindrical body, and inserting and fixing the bottom to the body from above. In the cup container assembling set, a locking piece for holding the bottom in a fixed position at a lower portion of the body can be cut inside the body by a horizontal locking piece broken line, A cup container assembling set characterized by being provided at a plurality of locations by cutting upward from the broken line.

[0006] Further, a convex protrusion is provided on the upper side of the sleeve across the both sides of the upper end of the vertical bend line as a center through the protrusion bend line.

[0007] According to the present invention, since the flat sleeve and the tray-shaped bottom portion are separated, it can be manufactured without requiring expensive manufacturing equipment, can be reduced in volume before use, and can be used in use. A cup container assembly set that can be easily assembled into a cup shape and can be easily disassembled after use can be obtained.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in more detail with reference to the drawings.

FIG. 1 is a view showing one embodiment of an embodiment of a cup container assembling set according to the present invention. The cup container assembly set S according to the present invention includes a tray-shaped bottom 1.
And the sleeve 2 folded flat, the sleeve 2 is assembled into a tapered cylindrical shape,
Then, the bottom 1 is inserted from above the assembled body 20 and fixed at a fixed position without a bottom to form a cup container P as shown in FIG.

The bottom portion 1 is a paper tray, a low height paper cup, or a plastic tray, and has a tray shape in which a body portion 10 rises from a bottom surface 11 in a tapered shape. The taper angle of the body 10 is equal to or smaller than the taper angle of the body 20 in which the sleeve 2 is assembled. Further, the bottom 1 may have a cylindrical shape having a low bottom without taper, instead of a tray shape.

As the material of the bottom portion 1, a paperboard, a paper-based material having a plastic layer on the inner surface as a main component, or a plastic alone can be used.

When a paper tray is produced by deep drawing or when a paper cup is produced by a paper cup forming machine, the material mainly composed of paper includes, for example, paper layer / polyethylene resin layer, polyethylene resin layer / paper layer / polyethylene resin. layer,
Foamed polyethylene resin layer / paper layer / polyethylene resin layer,
Polypropylene layer / paper layer / polypropylene layer, paper layer / polyethylene resin layer / aluminum layer / polyethylene resin layer, polyethylene resin layer / paper layer / polyethylene resin layer /
Aluminum layer / polyethylene resin layer and the like.

When plastic is used,
A plastic cup is produced by vacuum molding a plastic sheet or by injection molding a synthetic resin. Examples of plastics for vacuum forming include plastic sheets made of polystyrene resin, polypropylene resin, polyethylene resin, polyvinyl chloride resin, polyethylene terephthalate resin, and the like. Examples of plastics for injection molding include polypropylene resin, polyethylene resin, polystyrene resin, polyethylene terephthalate resin, and the like.

Next, the sleeve 2 is formed by bending both sides of a blank punched out in a substantially fan shape along two vertical folding lines a and b provided in a vertical shape, overlapping both edges and bonding both edges, and flattening the sleeve 2. This processing can be performed in a general box making process. By raising the sleeve 2, a cylindrical body 20 having a tapered shape can be obtained.

FIG. 3 is an expanded view of a blank of the sleeve 2. The blank 30 is substantially fan-shaped, and has two vertical bent lines a and b provided in a vertical shape. The both sides are bent at the broken lines a and b, and both edges are overlapped and bonded to form the sleeve 2 in a flat shape. Also, on the upper side of the fan shape, projecting protrusions 22, 22, which straddle both sides around the upper ends of the polygonal lines a, b.
Are provided via broken lines c, c. When the sleeve 2 is raised to form a cylindrical body portion 20, the protrusions 22,
By bending the outer side 22 along the polygonal lines c, c, there is an effect that the upper opening of the body 20 is made closer to a circle.

Further, when the sleeve 2 is raised to form the body 20 and the bottom 1 is inserted therein, the bottom 1 is
A pair of locking pieces 21, 21 are provided in the lower part of the body 20 by cutting so as to be fixed at a position where the bottom does not have a bottom. The locking pieces 21 are provided at two or more places, in the case of two places, at opposing positions, and in the case of three or more places, they are provided at equal intervals. The shape of the notch of the locking piece 21 is cut in a shape such as a circular shape, an arc shape, or a triangle facing upward, and the cut piece 21 is cut horizontally. A bending line d is provided horizontally. By bending the locking pieces 21, 21 inward at right angles at the bending lines d, d,
The bottom 1 can be held in a fixed position.

Since the body 20 has a tapered shape, the bottom 1 can be fixed at a fixed position without providing the locking piece 21, but in this case, the bottom 1 is fixed at the fixed position. In this case, it is necessary to increase the accuracy of the inner size of the body 20 and the outer diameter of the bottom 1, and in fact, it is difficult to manufacture.
In that regard, the outer diameter of the bottom 1 is set slightly smaller,
By providing a stopper with a locking piece 21 at 0,
There is no need to achieve high precision, and manufacturing becomes easy.

As the material of the sleeve 2, it is preferable to use a material mainly composed of paperboard, synthetic paper or paper having a plastic layer provided on the inner surface so that the sleeve 2 can be folded.

As the material mainly composed of paper, for example, a paper layer / polyethylene resin layer,
Polyethylene resin layer / paper layer / polyethylene resin layer, foamed polyethylene resin layer / paper layer / polyethylene resin layer, polypropylene layer / paper layer / polypropylene layer, paper layer / polyethylene resin layer / aluminum layer / polyethylene resin layer,
Examples include a polyethylene resin layer / paper layer / polyethylene resin layer / aluminum layer / polyethylene resin layer.

A plastic sheet can also be used by subjecting the polygonal lines a, b, c, and d to a process of bending easily. For example, polystyrene resin, polypropylene resin, polyethylene resin, polyvinyl chloride resin, polyethylene And terephthalate resins.

Next, a method of assembling the cup container assembling set S according to the present invention to form the cup container P will be described.

The assembling method is very simple.
As shown in -a, the flat sleeve 2 in the folded state is raised to form a tapered cylindrical body 20. At this time, in order to make the upper opening of the body 20 close to a circle, as shown in FIG. 4B, the projections 22 provided on the upper side are bent outward at substantially right angles at the polygonal lines c, c. By bending the protruding portions 22 and 22 outward, the bent portions formed by the broken lines a and b become curved, and the upper opening of the body 20 has a shape close to a circle.

Next, as shown in FIG.
Are bent inward at right angles at fold lines d and d, respectively.

Further, as shown in FIG. 4D, a locking piece 2 having the bottom 1 bent from above in the body 20.
By inserting the bottom portion 1 to the positions 1 and 21, the bottom portion 1 is fixed in place by the locking pieces 21 and 21. By holding the bottom 1 in a fixed position in this way, it is possible to assemble the cup container P having a space at an appropriate bottom.

The cup container assembling set of the present invention can be used as a simple container that can be used for various purposes other than for beverages, for example, a container for cake mix, a pot for gardening, and a small container.

[0026]

Next, the present invention will be described more specifically with reference to examples.

First, a sheet of polypropylene resin having a thickness of 0.5 mm is used as the bottom 1 and formed by vacuum forming, and as shown in FIG. 1, a tray-shaped container having a diameter of 80 mm and a height of 15 mm. Was prepared.

Next, polyethylene resin layer 20 μm / cup base paper 280 g / m ² / polyethylene resin layer 40 μm
In the punching process using the laminated sheet having the configuration shown in FIG. 3, as shown in FIG.
A fan-shaped blank 30 provided with the protruding portions 22 was prepared.

In the box making process, the blank 30 is bent along two vertical bent lines a and b provided on both sides in a vertical direction, and both edges are overlapped and bonded to each other.
And The sleeve 2 and the bottom 1 constitute a cup container assembly set S.

Next, this cup container assembly set S
In order to assemble and form the cup container P, first,
The folded flat sleeve 2 was raised to form a tapered cylindrical body 20. At this time, in order to make the upper opening of the body 20 close to a circle, the protruding portions 22 provided on the upper side were bent outward at substantially right angles along the polygonal lines c, c. By bending the protruding portions 22 and 22 outward, the bent portions formed by the broken lines a and b became curved, and the upper opening of the body 20 could be formed into a shape close to a circle.

Next, the locking pieces 21, 2 provided on the body 20
1 are bent inward at right angles at fold lines d and d, respectively, and the body portion 20 is moved to the positions of the bent locking pieces 21 and 21.
By inserting the bottom 1 into the inside of the bottom 1
Was fixed in place by the locking pieces 21, 21. By holding the bottom portion 1 in a fixed position in this way, a cup container P having a space at an appropriate bottom could be assembled.

[0032]

According to the present invention, since it is divided into a flat sleeve and a tray-shaped bottom, it can be manufactured without requiring expensive manufacturing equipment, and can be reduced in volume before use. A cup container assembly set that can be easily assembled into a cup container at the time of use and can be easily disassembled after use can be obtained.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a cup container assembly set according to the present invention.

FIG. 2 is a perspective view showing a cup container formed by assembling an embodiment of the cup container assembling set according to the present invention;

FIG. 3 is a development view of a sleeve of the cup container assembly set according to the present invention.

FIG. 4 is a diagram illustrating a method of assembling a cup container assembly set according to an embodiment of the present invention into a cup container.

[Explanation of symbols]

 S Cup container assembly set P Cup container 1 Bottom part 10 Body part (bottom part) 2 Sleeve 20 Body part 21 Locking piece 22 Projection part 30 Blank a Vertical bending line b Vertical bending line c Locking piece bending line d Projection bending line

Claims (2)

[Claims] 1. A flat-shaped sleeve formed by folding both sides of a fan-shaped blank with two vertical fold lines provided in a vertical shape and bonding both edges thereof, and a tray-shaped bottom portion,
In the cup container assembly set capable of forming a cup container by raising the sleeve and forming a tapered body portion, and inserting and fixing the bottom portion to the body portion from above, the lower portion of the body portion Locking pieces for holding the bottom in a fixed position are provided at a plurality of locations by cutting upward from the folding line so that the locking pieces can be cut into the inside of the body by a horizontal locking piece broken line. And a cup container assembly set. 2. The cup container according to claim 1, wherein a convex protrusion is provided on an upper side of the sleeve across both sides of the upper end of the vertical bent line as a center through the bent line of the protrusion. Assembly set.