JP2003137324A - Beverage packaging container and manufacturing method therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a beverage packaging container which does not need to be separately collected and is convenient to use. SOLUTION: The beverage packaging container includes a cup-shaped container body 11 having a lower flange 31 along a rim and a closure 12 having an upper flange 41 sealed with the lower flange 31 along its periphery and equipped with a drinking port 61 inside the upper flange 41. The container body 11 and the closure 12 are both made of a paper-based laminate. An upper swell 43 is provided inside the upper flange 41 including the drinking port 61.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a beverage packaging container used for filling beverages and the like, and a method for producing the same.

[0002]

2. Description of the Related Art This type of packaging container for beverages has a cup-shaped container body having a lower flange at the mouth edge, and an upper flange sealed at the lower flange at the peripheral portion and drinking inside the upper flange. And a closure body provided with a mouth, the container body is made of a paper-based laminate, the closure body,
It is known that it is made of plastic and is provided with an upward bulging portion inside a flange including a drinking spout.

Further, as another packaging container for beverages, a cup-shaped container body having a lower flange at the mouth edge, and an upper flange sealed to the lower flange at the peripheral portion and having a drinking mouth inside the upper flange. The container body and the closure body are both made of a paper-based laminate, but the whole body including the upper flange of the closure body is formed in a flat shape. Are known.

[0004]

[Problems to be Solved by the Invention] In the former container,
Since it is desired that the container body and the closing body are formed of different materials, it is necessary to separately collect the container body and the closing body when disposing of the container body and the closing body after use.

In the latter container, since the closing body is flat, there is a problem that it is difficult to drink when it is easy to use as a drink container, for example, when it is intended to drink by directly attaching the mouth to the drink.

An object of the present invention is to provide a beverage packaging container which does not require separate collection and is easy to use, and a method for producing the same.

[0007]

A beverage packaging container according to the present invention has a cup-shaped container body having a lower flange at its rim, and an upper flange sealed at the lower flange at its peripheral portion and having the upper flange. In a beverage packaging container having a closing body provided with a drinking mouth inside, both the container body and the closing body are made of a paper-based laminated body, and bulge upward inside a flange including the drinking mouth. It is characterized in that a section is provided.

In the beverage packaging container according to the present invention, since both the container body and the closing body are made of the paper-based laminated body, it is not necessary to separately collect the container body and the closing body when disposing after use.

Further, since the upper bulging portion is provided inside the upper flange including the drinking mouth, for example, in the case where the mouth is directly attached to the drinking mouth, it is easy and convenient to drink.

In the method for manufacturing a beverage packaging container according to the present invention, since the closure is formed by press molding or sheet molding of a container material made of a paper-based laminated body, the container can be manufactured economically and efficiently. be able to.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

<Embodiment 1> Referring to FIGS. 1 to 3, a packaging container comprises a cup-shaped container body 11 and a dome-shaped closing body 12 whose mouth is covered.

The container body 11 includes a lower tapered taper wall 21 and
It consists of a flat bottom wall 22. Both the body wall 21 and the bottom wall 22 are made of a paper-based laminate having thermoplastic synthetic resin layers on both sides.

At the upper end of the body wall 21, a lower flange 31 having a double thickness is provided.
Is provided. A folded portion with a U-shaped cross section at the lower end of the body wall 21
32 are provided. A skirt 33 sandwiched between the folded portions 32 is provided on the peripheral edge of the bottom wall 22.

Like the container body 11, the closing body 12 is a paper-based laminate having thermoplastic synthetic resin layers on both sides, but is a different type of paper-based laminate from the container body 11.

The paper-based laminated body forming the closing body 12 is called a molding paper, and is made of natural pulp 10.
It is 0% and has elongation characteristics 5 to 10 times that of ordinary paper. A closed body is obtained by processing this laminated body with an existing molding machine. As the molding process, a press molding machine using a male mold and a female mold, or a plastic sheet molding machine by pressure molding can be used. Unlike a plastic sheet, the plastic sheet molding machine does not require heating during molding.

An upper flange 41 is provided on the peripheral portion of the closing body 12. The upper flange 41 has substantially the same shape as the lower flange 31, and is superimposed and sealed on the lower flange 31. An annular fitting recess 42 extending along the upper flange 41 is provided inside the upper flange 41. The fitting recess 42 is
It is fitted into the upper opening of the body wall 21. An upper bulge 43 is provided on the entire inner side of the fitting recess 42. Upward bulge
43 includes an arcuate side wall 51 curved outward and a top wall 52 curved downward. A laterally long hole-like drinking spout 61 is formed in a part of the side wall 51. The mouthpiece 61 is covered with a paper tongue-like peeling piece 62. The peeling piece 62 is a mouthpiece 61.
Is sealed around. A portion near the tip of the peeling piece 62 is projected above the side wall 51 and bent downward so as to be horizontal. The protruding portion of the peeling piece 62 forms the knob 63.

Hereinafter, various variations of the container will be described. In the following description, parts corresponding to those of the container are designated by the same reference numerals, the description thereof will be omitted, and only different points will be mainly described. .

Each of the packaging containers described below comprises a container body 11 and a closing body 12 as in the first embodiment. The container body 11 is the same as that of the first embodiment.
Similar to the first embodiment, the closing body 12 is formed by drawing a molding sheet.

<Second Embodiment> Referring to FIGS. 4 to 6, the closing body 12 comprises an upper flange 41, a fitting recess 42 and an upper bulging portion 43, as in the first embodiment.

The upper flange 41 and the fitting recess 42 are the same as those in the first embodiment.

The upper bulging portion 43 has an upper tapered side wall 51.
And a top wall 52 curved upward. Top wall 52
A circular spout 61 is formed away from the center of the. The spout 61 is covered with a peeling piece 62. Peeling piece
A portion of the peeling piece 62 near the base portion is sealed around the mouth 61, but a portion of the peeling piece 62 near the tip end is not sealed and forms a knob 63. A major difference from the first embodiment is that the reinforcing rib 71 extends from one side of the peeling piece 62 to the other side of the peeling piece 62 on the circumference around the center of the top wall 52. Is.

<Third Embodiment> Referring to FIGS. 7 to 9, there is shown a packaging container which is very similar to the packaging container of the second embodiment. The difference between the packaging container of the second embodiment and the packaging container of the third embodiment is only in the following points.

No ribs 71 are formed on the top wall 52. Instead of the rib 71, the peeling piece 62 is configured to perform a reinforcing function. That is, the peeling piece 62 is formed in a narrow band shape so as to extend across the upper bulging portion 43 and has a narrow central portion, and from a part of the side wall 51 outside the drinking mouth 61, the drinking mouth is formed.
A part of the side wall 51 on the opposite side of the center of the top wall 52 is reached via 61. The entire peeling piece 62 is sealed over the side wall 51 and the top wall 52. Peeling piece 62
A knob 63 is formed at the end near 61. Further, a transverse score line 72 is formed in the middle of the length of the peeling piece 62.

At the time of drinking, pinch the knob 63 and score 72
By peeling off the peeling piece 62 up to that point, even after opening the peeling piece 62, the peeling piece 62 remains attached to the container and is not separated from the container and scattered.

<Fourth Embodiment> Referring to FIGS. 10 to 12, the closing body 12 lacks a fitting recess 42, and comprises an upper flange 41 and an upper bulge 43.

The upper bulging portion 43 has a taper portion 82 having a central axis inclined upper taper portion 82 whose lower end is connected to the inner edge portion of the upper flange 41 via the lower step portion 81 and whose upper end is displaced from the container center line. It is composed of a horizontal disc-shaped flat portion 84 which is connected to the upper end of the portion 82 via an upper step portion 83.

A circular drinking spout 91 is formed in the flat portion 84. The drinking spout 91 is covered with a polyethylene lid 92. The lid 92 is a disc-shaped member having a larger diameter than the drinking spout 91, and is sealed around the drinking spout 91.

A pull ring 93 surrounds the lid 92. The pull ring 93 is connected to a part of the outer periphery of the lid 92 near the outer side of the lid 94.
It is integrally provided via. Lid 92 and pull ring 93
A substantially circular slit 95 is formed between the two, and the circumference of the lid 92 is substantially circled except for the connecting portion 94. Slit 95
An easy-cutting portion 96 crosses the slit 95 on the opposite side of the connecting portion 94 with the center of the slit 95 interposed therebetween. The easy-cutting portion 96 can prevent the pull ring 93 from rising carelessly.

When opening, the pull ring 93 is hung near the easy-cutting portion 96 with a fingertip, and the easy-cutting portion 96 is cut to pull the ring.
Bring up 93. When the pull ring 93 is pulled up as it is, the lid 92 is peeled off from the periphery of the drinking spout 91 starting from the vicinity of the connecting portion 94, and the drinking spout 91 is opened.

[0031]

According to the beverage packaging container of the present invention, there is no need to separate and collect the beverage packaging container and the beverage packaging container is easy to use.

According to the method for producing a beverage packaging container of the present invention, the above-mentioned container can be produced economically and efficiently.

[Brief description of drawings]

FIG. 1 is a perspective view of a container according to a first embodiment of the present invention.

FIG. 2 is a plan view of the same container.

FIG. 3 is a vertical longitudinal sectional view of the container.

FIG. 4 is a perspective view of a container according to Embodiment 2 of the present invention.

FIG. 5 is a plan view of the container.

FIG. 6 is a vertical longitudinal sectional view of the container.

FIG. 7 is a perspective view of a container according to Embodiment 3 of the present invention.

FIG. 8 is a plan view of the same container.

FIG. 9 is a vertical longitudinal sectional view of the container.

FIG. 10 is a perspective view of a container according to Embodiment 4 of the present invention.

FIG. 11 is a vertical longitudinal sectional view of the container.

FIG. 12 is a vertical longitudinal sectional view of the container.

[Explanation of symbols]

11 Container body 12 Closed body 31 Lower flange 41 Upper flange 43 Upper bulge 61 mouthpiece 91 mouthpiece

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Michio Ueda             No. 10 Nishinokawa, Taro Yasu, Taro Kitajima-cho, Itano-gun, Tokushima Prefecture             Ground 1 Shikoku Kakoki Co., Ltd. F term (reference) 3E075 BA32 BA35 BA38 BB22 CA01                       DC37 GA03                 3E084 AA02 AA12 AA34 AA37 AB01                       BA02 BA09 CA01 CB02 CC08                       FA09 FD13 GB08 KB01 LA02                       LA03 LB02 LB07 LB08

Claims (2)

[Claims] 1. A cup-shaped container body having a lower flange at a mouth edge portion, and a closing body having an upper flange sealed at the lower flange at a peripheral portion and having a drinking port inside the upper flange. In a beverage packaging container provided, the container body and the closing body are both made of a paper-based laminate, and the upper bulging portion is provided inside the upper flange including the drinking mouth. Packaging container. 2. A method for manufacturing a packaging container for beverages, wherein the closure according to claim 1 is formed by press molding or sheet molding of a container material made of a paper-based laminate.