JPH0648436A - Beverage container - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a beverage container in which the end face of the paper is not exposed and is easy to drink, even though the paper lid is used for the container body composed of the paper cup. [Structure] A container body 2 made of a paper cup, and a paper-made container having a central portion with a top surface 3b and a flat recessed shape and a pull tab 4 sealed on a drinking mouth provided on the top surface 3b. It is configured with the lid 3. The top surface 3b of the lid 3 is dropped so that it fits into the upper opening of the container body 2 and the contact surfaces of the two are heat-sealed, and the peripheral edge 3a of the lid 3 is attached to the curl portion 2a of the container body 2. Curling together. Since the entire container is made of paper, it is a preferable form in view of environmental problems. Since the periphery of the lid 3 is processed so that the end face is not exposed, it is easy to drink without feeling unhygienic.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a beverage container using a paper cup as a container body.

[0002]

2. Description of the Related Art Heretofore, as a beverage container of this type, there has been known one in which a lid made of plastic or aluminum is attached to an upper portion of a paper cup which is a container body. The injection-molded plastic lid has a pull ring to open the drinking mouth, and the sheet-molded plastic lid and the drawn aluminum lid have a pull tab sealed on the drinking mouth and peeled off when drinking. Those that have been done are generally used.

[0003]

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention A beverage container equipped with a plastic or aluminum lid as described in the prior art does not decompose and remains semipermanently or is incinerated if it is discarded as it is after use. Since the portion of the lid body remains as an incombustible material even after disposal, there is a problem that it is not preferable from the viewpoint of recent environmental problems.

Therefore, it is considered that the lid body is also made of paper to solve these problems, but if the paper lid is simply sealed to the flange portion or the curl portion of the upper edge of the paper cup, the end surface of the paper will be It is exposed and there is a basic problem as a beverage container, such as unsanitary feeling due to the exposed end surface, the contents permeating into the end surface when drinking, and further poor mouth feel.

The present invention has been made in view of the above problems. An object of the present invention is to prevent the end face from being exposed even when a paper lid is used for a container body composed of a paper cup. Moreover, it is to provide a beverage container that is easy to drink.

[0006]

SUMMARY OF THE INVENTION To achieve the above object, the present invention provides a container body consisting of a paper cup with an outwardly curled portion at the upper open end and a central portion leaving a flat peripheral edge. A lid made of paper in which a pull tab is sealed at a drinking mouth provided on the top surface, and the lid has a lid It is characterized in that the top surface is dropped so that it fits into the upper opening of the container body, the contact surfaces of both are heat-welded, and the peripheral edge portion of the lid body is curled to match the curl portion of the container body. .

[0007] Alternatively, a container body consisting of a paper cup having a straight upper open end and a flat recessed shape such that the central portion thereof is the top surface, and a pull tab is sealed in a drinking mouth provided on the top surface. A beverage container consisting of a lid made of paper, in which the top surface of the lid fits into the upper opening of the container body and the peripheral end of the lid projects from the upper opening end of the container body. It is characterized in that the lid is dropped into the upper opening of the container body so that the contact surfaces of both are heat-welded, and the peripheral end of the lid is bent or curled outward from the upper open end of the container body. It is what

[0008] Alternatively, a container body consisting of a paper cup having a straight upper open end and a flat recessed shape having a central portion on the top surface and a pull tab sealed on a drinking mouth provided on the top surface And a lid made of paper, wherein the top surface of the lid fits into the upper opening of the container body, and the peripheral end of the lid has substantially the same height as the upper open end of the container body. It is characterized in that the lid body is dropped into the upper opening of the container main body so that the contact surface between them is heat-welded, and the peripheral end portion of the lid body is curled outward together with the upper open end portion of the container main body. It is a thing.

[0009]

In the beverage container having the above-mentioned structure, since the lid body made of paper is attached to the container body made of the paper cup, the entire container is made of paper. Moreover, since the periphery of the lid is curled or bent, the end surface of the paper is not exposed.

[0010]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is an explanatory view showing a procedure for producing a beverage container of a first embodiment according to the present invention. The beverage container 1 of the present embodiment is, as shown in FIG. A container body 2 made of a paper cup having an outward curl portion 2a at the opening end, and a flat peripheral edge portion 3a, and a central portion is a top surface 3b.
And a lid 3 made of paper in which a pull tab 4 is sealed to a drinking opening (not shown) provided on the top surface 3b.

The paper cup serving as the container body 2 is made of polyethylene / paper / aluminum foil / polyethylene, polyethylene / paper / polyethylene, or the like, which is a layered packaging material having a heat seal layer on the inner and outer surfaces. ing. Then, this packaging material is punched into a fan-shaped blank plate and formed into a cup shape by a method similar to that for producing a conventional cup using a cup molding machine. That is, it is formed by winding a blank plate and bonding both ends thereof to form a body portion 2b, then tightening a bottom plate 2c below the body portion 2b and forming an outward curl portion 2a at the upper opening end. To be done. The same applies to the following examples, but the shape of the paper cup may be any known shape such as a round shape or a square shape.

A packaging material similar to that of the container body 2 is used for the lid 3, and the packaging material is punched into a round shape or a square shape at a size larger than the upper opening shape of the container body 2 and at the same time as a drinking mouth. The hole is punched out, the pull tab 4 is sealed at the mouth, and then drawn into a shape as described above.

After filling the container body 2 with the content liquid, the lid body 3 is dropped so that the top surface 3b thereof fits into the upper opening of the container body 2 as shown in FIG. 1 is heat-welded, and then, as shown in FIG. 1C, the peripheral edge portion 3a of the lid 3 is attached to the curl portion 2a of the container body 2.
The beverage container 1 is formed by curling according to. Here, in order to heat-weld the container body 2 and the lid body 3, a means such as heat sealing, ultrasonic sealing, high frequency sealing or the like is appropriately used. Of these, the high frequency seal is applied to a packaging material in which aluminum foil is laminated. That is, the aluminum foil serves as a heating element.

FIG. 2 is an explanatory view showing a procedure for producing a beverage container of the second embodiment according to the present invention. The beverage container 1 of the present embodiment has an upper portion as shown in FIG. A container main body 2 having a straight paper cup with an open end, and a paper having a pull-tab 4 sealed in a drinking opening provided on the top surface 3b and having a flat recessed shape so that the central portion is the top surface 3b. It is configured with a lid 3 made of. Here, the size of the lid body 3 is such that the upper edge of the lid body 3 projects from the upper edge of the container body 2 when the lid body 3 is fitted into the container body 2.

In the second embodiment, after the container body 2 is filled with the content liquid, the top surface 3b of the lid 3 is fitted into the upper opening of the container body 2 as shown in FIG. The lid body 3 is dropped into the upper opening of the container body 2 so that the peripheral end portion 3c of the lid body 3 projects from the upper opening end portion 2d of the container body 2, and the contact surfaces of both are heat welded. As shown in FIG. 2C, the beverage container 1 is formed by bending the peripheral end portion 3c of the lid body 3 outside the upper opening end portion 2d of the container body 2.

FIG. 3 is an explanatory view showing the procedure for producing a beverage container of the third embodiment according to the present invention. The beverage container 1 of the present embodiment is a second container as shown in FIG. The same container body 2 and lid 3 as those used in the embodiment are used.
After attaching the lid body 3 to the container body 2 as shown in (b), the peripheral end portion 3c of the lid body 3 is placed outside the upper opening end portion 2d of the container body 2 as shown in FIG. The beverage container 1 is formed by curling.

FIG. 4 is an explanatory view showing the procedure for producing a beverage container of the fourth embodiment according to the present invention. The beverage container 1 of the present embodiment, as shown in FIG. A container main body 2 having a straight paper cup with an open end, and a paper having a flat recessed shape such that the central portion is the top surface 3b, and a pull tab 4 is sealed to a drinking port provided on the top surface 3b. It is composed of a lid 3 made of. Here, the size of the lid body 3 is such that the upper edges of both are substantially the same height when fitted into the container body 2.

In this fourth embodiment, after the container body 2 is filled with the content liquid, the top surface 3b of the lid 3 is fitted into the upper opening of the container body 2 as shown in FIG. The lid 3 is dropped into the upper opening of the container body 2 so that the peripheral end 3c of the lid 3 is substantially level with the upper opening end 2d of the container body 2, and the contact surfaces of the two are heat-welded. Then, FIG.
As shown in (C), the beverage container 1 is formed by curling the peripheral end 3c of the lid 3 together with the upper opening end 2d of the container body 2 to the outside.

In each of the above embodiments, the periphery of the lid may be curled or bent and then heat-sealed to firmly fix the lid.

When the content liquid is filled by hot filling and is suitable for long-term storage, it is preferable to provide a coating material on the inner surface side of the drinking mouth, and further, the bottom plate of the paper cup absorbs reduced pressure. It is preferable to have a function. These points are the same as those of the conventional beverage container equipped with a plastic lid or an aluminum lid.

[0022]

As described above, since the beverage container of the present invention uses the paper lid for the container body composed of the paper cup, the whole container can be made into a preferable form in view of environmental problems such as paper. In addition, since the end cover is processed by curling or bending the periphery of a paper cover with a mouthpiece that is a drop cover and has a mouthpiece, the end face of the paper is not exposed, resulting in unsanitary conditions. It is possible to have a function of a beverage container that is easy to drink without feeling.

[Brief description of drawings]

FIG. 1 is an explanatory view showing a procedure for producing a beverage container according to a first embodiment of the present invention.

FIG. 2 is an explanatory view showing a procedure for producing a beverage container according to a second embodiment of the present invention.

FIG. 3 is an explanatory view showing a procedure for producing a beverage container according to a third embodiment of the present invention.

FIG. 4 is an explanatory view showing a procedure for producing a beverage container according to a fourth embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Beverage container 2 Container main body 2a Curl part 2d Upper opening end part 3 Lid body 3a Peripheral edge part 3b Top surface 3c Peripheral end part 4 Pull tab

Claims (3)

[Claims] 1. A container body composed of a paper cup having an outward curl portion at an upper opening end, and a flat concave shape such that a central portion thereof is a top surface except for a flat peripheral edge portion. What is claimed is: 1. A beverage container comprising a lid made of paper, in which a pull tab is sealed in a drinking mouth provided on the top, and the lid is dropped so that the top fits into the upper opening of the container body. A beverage container characterized in that the contact surfaces of the both are heat-welded, and the peripheral edge of the lid is curled to match the curl portion of the container body. 2. A container body consisting of a paper cup having a straight upper open end, and a flat recessed shape such that the central portion is the top surface, and a pull tab is sealed on a drinking port provided on the top surface. A beverage container consisting of a lid made of paper, in which the top surface of the lid fits into the upper opening of the container body and the peripheral end of the lid projects from the upper opening end of the container body. It is characterized in that the lid is dropped into the upper opening of the container body so that the contact surfaces of both are heat-welded, and the peripheral end of the lid is bent or curled outward from the upper open end of the container body. Beverage container to be. 3. A container body consisting of a paper cup having a straight upper open end, and a flat recessed shape having a central portion on the top surface, and a pull tab sealed on a drinking mouth provided on the top surface. And a lid made of paper, which has a top surface of the lid fitted into an upper opening of the container body and a peripheral end of the lid having substantially the same height as an upper opening end of the container body. It is characterized in that the lid body is dropped into the upper opening of the container main body so that the contact surface between them is heat-welded, and the peripheral end portion of the lid body is curled outward together with the upper open end portion of the container main body. Beverage container.