JP2011168340A - Beverage container with drinking straw and drinking straw - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a new beverage container with a drinking straw of which the film portion for a stabbing hole in the beverage container is made not to fall into the beverage container as a foreign substance, even if the tip of the straw is not specially subjected to fine structural processing on this tip as the same inclination portion as a conventionally well-known straw which inclines slantingly, and the drinking straw. <P>SOLUTION: The tip portion 13 of the drinking straw 12 is formed into a tapered shape, the tip of this tip portion 13 is formed inclined as a tip inclination portion 14, and the dimension of the outer diameter of the tip inclination portion 14 in this tip portion 13 is made smaller than the diameter dimension of the insertion hole 3 for the straw in the beverage container 1. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a beverage container with a drinking straw and a drinking straw.

In a commercially available paper beverage container, a drinking straw is attached to the side or back of the container. When drinking the beverage in the container, the attached straw is removed from the side or the back of the container, and this is removed from the paper beverage container. It is inserted into a straw insertion hole provided on the upper surface, and drinks a content beverage.
FIG. 6 to FIG. 9 show the relationship between a conventional drinking straw and the piercing hole of the beverage container, and the diameter of the drinking straw tip and the piercing hole of the beverage container are substantially equal. When the beverage straw is inserted from the vertical direction as shown in FIGS. 8 and 9, or when the beverage straw is inserted into the insertion hole from an oblique direction as shown in FIG. 7, the film portion of the insertion hole on the upper surface of the beverage container is As shown in FIG. 9, it was cut off from the upper surface of the beverage container and sometimes dropped into the beverage as a foreign object.
The dropping of the cut film portion of the piercing hole into the beverage has a problem that it is not preferable for hygiene because foreign matters are mixed into the beverage. Furthermore, when inhaling the beverage in a container with the drinking straw, there exists a subject that this foreign material will be drunk.

There is known a drinking straw that prevents the foreign matter from being drunk even if the film portion of the insertion hole on the upper surface of the beverage container falls into the beverage as a foreign matter (for example, Patent Document 1).
In addition, there is also known a drinking straw that prevents the film portion of the insertion hole from falling into the beverage as a foreign object even when the drinking straw is inserted into the insertion hole on the upper surface of the beverage container (for example, Patent Document 2).

JP 2002-253415 A JP 2004-275596 A

In the prior art of Patent Document 1, a cross-shaped tube inner wall is provided at the tip of the straw to prevent suction of foreign matter. Further, the tip of the straw is formed in a spire shape or a conical shape, and a large number of small holes are formed in the spire-shaped or conical spire surface or conical surface.
Next, the prior example of the above-mentioned Patent Document 2 is formed with a cutting prevention portion having various configurations on an inclined surface inclined at the tip of a drinking straw.
In any of the preceding examples, there is an effect that even if the drinking straw is inserted into the insertion hole on the upper surface of the beverage container, the film portion of the insertion hole does not fall into the beverage as a foreign matter.
However, in any case, there is a problem that processing of this fine structure is necessary due to the fine structure of the straw tip.
In view of the above-mentioned problems, the present invention provides a drinking container piercing hole without the need for specially processing the tip portion of the straw tip portion as an inclined portion inclined in the same manner as a conventionally known straw. It is intended to provide a novel beverage container with a drinking straw and a drinking straw so that the film portion of the film does not fall into the beverage as a foreign matter.

For this purpose, the beverage container with a straw for beverage of the present invention is configured such that the tip of the beverage straw has a tapered shape, and the tip of the tip is formed obliquely to form a tip inclined portion. The diameter outer diameter of the tip inclined portion of the beverage is smaller than the diameter of the straw insertion hole of the beverage container.
The difference between the outer diameter B of the tip of the tip and the diameter D of the drinking hole of the beverage container, that is, D−B ≧ 1.7 mm is preferable.
Moreover, it is good to set it as the difference of the diameter direction outer diameter dimension L2 of the longitudinal direction of the front-end | tip inclination part of the said front-end | tip part, and the diameter dimension D of the straw insertion hole of the said drink container, ie, D-L2> = 0.25mm.

Moreover, the drinking straw of the present invention is configured such that the tip of the drinking straw has a tapered shape, and the tip of the tip is formed obliquely to form a tip inclined portion.
The diameter outer diameter of the tip inclined portion of the tip is smaller than the diameter of the straw insertion hole of the beverage container to which the beverage straw adheres.
The difference between the diameter outer diameter B at the tip of the tip and the diameter outer diameter D of the straw insertion hole of the beverage container to which the beverage straw adheres, that is, D−B ≧ 1.7 mm.
The difference between the outer diameter L2 in the longitudinal direction of the tip inclined portion of the tip and the diameter D of the straw insertion hole of the beverage container, that is, D−L2 ≧ 0.25 mm.

The beverage container with a beverage straw of the present invention is configured such that the tip of the beverage straw has a tapered shape, the tip of the tip is formed obliquely to form a tip inclined portion, and the tip of the tip Since the outer diameter of the inclined portion is smaller than the diameter of the straw insertion hole of the beverage container, when the beverage straw is inserted into the straw insertion hole of the beverage container, the tip of the inclined portion of the tip of the straw is the straw Since it is always inserted inside the edge of the stab hole, the cut edge is cut while being connected to the upper surface of the beverage container, and the film portion of the stab hole is separated from the upper surface of the beverage container. Without falling into the beverage as a foreign object.
And in this invention, since the front-end | tip part of a drinking straw is comprised in a taper-tapered shape, there is an effect that a fine taper process is not required for the process of this front-end | tip part, and a simple taper process may be sufficient.

In addition, the beverage straw according to the present invention is configured such that the tip of the beverage straw has a tapered shape, and the tip of the tip is formed obliquely to form a tip inclined portion. When inserting into the straw insertion hole, the tip of the inclined portion of the tip of the straw is always inserted inside the edge of the straw insertion hole, so the cut cutting edge remains connected to the upper surface of the beverage container. The film portion of the piercing hole is not cut off from the upper surface of the beverage container, and does not fall into the beverage as a foreign object.
And in this invention, since the front-end | tip part of a drinking straw is comprised in a taper-tapered shape, there is an effect that a fine taper process is not required for the process of this front-end | tip part, and a simple taper process may be sufficient.

The slope view of the drink container with a straw for this invention drinks. The top view of this invention drinking straw. The enlarged view of the principal part of this invention drinking straw. Explanatory drawing which shows the state just before inserting the straw for this invention into the insertion hole of a drink container. Explanatory drawing which shows the state which inserted the straw for this invention into the insertion hole of the drink container. Explanatory drawing of the state which is a conventional drinking straw and a drink container, and is stabbed from the orthogonal | vertical direction before piercing a drinking straw. Explanatory drawing of the state which is a conventional drinking straw and a drink container, and inserts the drinking straw into the insertion hole from the diagonal direction. Explanatory drawing of the state just before inserting the drinking straw of the state shown in FIG. 6 in the insertion hole of a drink container. Explanatory drawing of the state which inserted the drinking straw of the state shown in FIG. 6 in the insertion hole of the drink container.

Details of the present invention will be described below with reference to embodiments shown in the drawings.
In the figure, reference numeral 1 denotes a paper beverage container, and a straw insertion hole 3 is formed on the upper surface 2 thereof. The upper surface 2 has a laminated structure of a PE layer 4, a printing layer 5, a base paper layer 6, an LDPE layer 7, an Al layer 8, an adhesive resin layer 9, and an LDPE layer 10 from the upper surface. In this part, the base paper layer 6 and the printing layer 5 are cut off, and the uppermost PE layer 4 is bonded to the upper layer of the LDPE layer. A drinking straw 12 wrapped in a film is attached to the side wall 11 of the beverage container 1.

In the illustrated embodiment, the beverage straw 12 is shown as a two-stage expansion / contraction straw, but the beverage straw 12 may be a single straw or a three-stage or more expansion / contraction straw.
In this invention, the front-end | tip part 13 of this drinking straw 12 is comprised in the taper-taper shape, and the front-end | tip of this front-end | tip part 13 is formed diagonally, and it is set as the front-end | tip inclination part 14. As shown in FIG.
In the present invention, the outer diameter B of the tip inclined portion 14 of the tip 13 is smaller than the diameter D of the straw insertion hole 3.

6 to 9 show beverage containers with beverage straws and their explanatory views, and the same reference numerals as those shown in FIGS. 1 to 5 are given to the respective parts.
The straw insertion hole 3 of the paper beverage container 1 that has been marketed in the past is often 6.2 mm in diameter, and the applicant has applied a two-stage expansion / contraction straw according to the following standards. Was offering.
1. Outer straw diameter outer diameter 6.0mm
2. Inner straw diameter outer diameter 4.8mm (wall thickness 0.28mm)
3. 3. Cutting angle α at the tip inclined part 50 ° Cut diagonal L2 size 6.27mm
In this standard product, when the drinking straw 12 is inserted into the upper surface 2 of the container 1 in the vertical direction, the inner diameter of the inner straw is 4.8 mm, so the diameter dimension of the insertion hole 3 is 6.2 mm. Since it is thin, the tip of the tip inclined portion 14 can be inserted into the inside and center of the edge of the insertion hole 3, and the film portion of the insertion hole 3 is unlikely to fall as a foreign substance. Thus, when the drinking straw 12 is stabbed obliquely, the cut diagonal L2 dimension is 6.27 mm and the hole diameter of the piercing hole 3 is larger than 6.2 mm. The phenomenon of falling as occurred.

Compared to the above-mentioned conventional products, the standards for the drinking straw of the present invention are as follows.
1. Outer straw diameter outer diameter 6.0mm
2. Inner straw diameter outer diameter 4.8mm (wall thickness 0.28mm)
Diameter outer diameter of tip inclined part 4.2-4.4mm
3. 3. Cutting angle α of the tip inclined portion 46 to 49 degrees Cut diagonal L2 dimension 5.6-5.9mm
In the drinking straw of the present invention, the tip portion 13 is tapered and the tip is formed obliquely to form the tip inclined portion 14, so that it is closer to the center of the insertion hole 3 of the container 1 than the conventional product. Made it easier to pierce. Furthermore, since the diameter of the insertion hole 3 is smaller than the diameter of the insertion hole 3 even when it is inserted obliquely, the film part at the end of the circumferential part of the insertion hole 3 is not cut, and it does not become a falling object.
As a result of carrying out the oblique stab in the present invention, the film cut result was 0/150.
The number of cuts in the conventional product was 6/150.

In addition, the cutting angle of the tip is currently set to 50 degrees, but the angle is preferably 46 to 49 degrees in order not to reduce the piercing strength because the tip is narrowed. By narrowing the tip, it can be used without any change with the current product straw for suction at the drinking mouth.
As a reference, the applicant verified the straw piercing strength with the current product and the product sample of the present invention.
The measuring method measured the intensity | strength (N) until it pierces a straw with a push-pull gauge and penetrates a 6.2 mm straw insertion hole at a speed of 100 mm / min. The following intensities are average values for 20 samples.
1. Current product straw 9.0N
2. Invention product straw 6.5N

DESCRIPTION OF SYMBOLS 1 Beverage container 2 Upper surface 3 Straw insertion hole 4 PE layer 5 Printing layer 6 Base paper layer 7 LDPE layer 8 Al layer 9 Adhesive resin layer 10 LDPE layer 11 Side wall 12 Drinking straw 13 Tip part 14 Tip inclination part

Claims (10)

A beverage container with a drinking straw having a substantially circular straw insertion hole made of a laminated film,
The straw
The tip portion on the piercing side having a substantially cylindrical shape is configured in a tapered shape,
The opening end face of the tip is formed so as to form an angle with respect to a plane perpendicular to the cylindrical axis,
The outer peripheral diameter L2 of the opening end of the tip is smaller than the diameter D of the straw insertion hole, and
A beverage container with a drinking straw, characterized in that an outer peripheral diameter B of a circle obtained by projecting the opening end of the tip portion onto a surface perpendicular to a cylindrical axis is smaller than a diameter D of the straw insertion hole. The outer peripheral diameter B of the projection circle at the opening end of the tip and the diameter D of the straw insertion hole are:
D-B ≧ 1.7mm
The drinking container with a straw according to claim 1, wherein the straw is configured so as to become. An outer peripheral diameter L2 of the distal end opening end and a diameter D of the straw insertion hole are:
D-L2 ≧ 0.25mm
The drinking container with a straw according to claim 1 or 2, wherein the straw is configured so as to become. The straw is a two-stage telescopic straw composed of an outer straw on the suction side and an inner straw on the insertion side,
The outer diameter X of the outer straw and the diameter D of the straw insertion hole are:
D-X ≦ 0.2mm
The inside of a drink container is kept airtight in the state stabbed in the drink container to the outer straw part of the said straw by becoming, It is any one of Claim 1 to 3 characterized by the above-mentioned. Beverage container with straw. In the cross section along the major axis and the cylindrical axis of the opening end surface of the tip of the straw,
The angle α formed by the longer axis of the two cross-sectional lines formed by the taper-shaped portion and the long axis of the end face opening end surface is α = 46-49 °.
The beverage container with a straw according to any one of claims 1 to 4, wherein the straw is configured so as to become. A drinking straw used in a beverage container having a substantially circular straw insertion hole made of a laminated film,
The tip portion on the piercing side having a substantially cylindrical shape is configured in a tapered shape,
The opening end face of the tip is formed so as to form an angle with respect to a plane perpendicular to the cylindrical axis,
The outer peripheral diameter L2 of the opening end of the tip is smaller than the diameter D of the straw insertion hole, and
A drinking straw characterized in that an outer peripheral diameter B of a circle obtained by projecting the opening end of the tip portion onto a surface perpendicular to a cylindrical axis is smaller than the diameter D of the straw insertion hole. The outer peripheral diameter B of the projected circle at the opening end of the tip and the diameter D of the straw insertion hole of the beverage container are:
D-B ≧ 1.7mm
The drinking straw according to claim 6, wherein the straw is configured to be The outer peripheral diameter L2 of the opening end of the tip and the diameter D of the straw insertion hole of the beverage container are:
D-L2 ≧ 0.25mm
The said drinking straw is comprised so that it may become, The drinking straw of Claim 6 or 7 characterized by the above-mentioned. The straw is a two-stage telescopic straw composed of an outer straw on the suction side and an inner straw on the insertion side,
The outer diameter X of the outer straw and the diameter D of the straw insertion hole are:
D-X ≦ 0.2mm
The inside of a drink container is kept airtight in the state stabbed in the drink container to the outer straw part of the said straw by becoming, It is any one of Claim 6 to 8 characterized by the above-mentioned. Drinking straws. In a cross section along the long axis and the cylindrical axis of the end opening end surface,
The angle α formed by the longer axis of the two cross-sectional lines formed by the taper-shaped portion and the long axis of the end face opening end surface is α = 46-49 °.
The drinking straw according to any one of claims 6 to 9, wherein the straw is configured so as to become.