JP2556194Y2 - Three-stage telescopic drinking straw for beverages - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sliding type three-stage telescopic straw for beverage comprising an inner straw, an intermediate straw and an outer straw.

[0002]

2. Description of the Related Art A sliding two-stage telescopic straw, which is a straw attached to a beverage container, is known (for example, see Japanese Patent Publication No. 1-49513). This two-stage stretchable straw is small in the contracted state and approximately twice as long as the contracted state in the extended state, and is practical and useful as a straw attached to a beverage container.

[0003]

However, even with this two-stage telescopic straw, the position of attachment to the container is usually outside the side wall of the container, and moreover, it is obliquely attached to the side wall of the container. In many cases, they are attached at most along the longitudinal direction outside the container even if they are not oblique.

[0004] With this straw attaching means, there is a problem that a part of the printing surface of the container surface is shielded and the printing effect is hindered. Therefore, when shrinking, it becomes a little smaller and can be attached to extremely small places on the container surface or places that do not affect the printed surface of the container surface, such as the lid and bottom of the container. The emergence of straws that can be made is desired. In response to this demand, the present invention aims to provide a new three-stage telescopic straw for beverages that is approximately three times as long as it contracts when it is extended, and is fully practically used as well as the previously known two-stage telescopic straw. It is an object of the present invention to provide a novel three-stage telescopic straw that can be used.

[0005]

In order to achieve the above object, a three-stage telescopic straw for beverage of the present invention has an inner straw inserted into an intermediate straw and an intermediate straw inserted into an outer straw. An extendable straw having an intermediate enlarged portion and a proximal enlarged portion further enlarged than the intermediate enlarged portion on the proximal side of each of the inner straw and the intermediate straw. Each end has a step for reducing the diameter and a taper connected to this step, the outer diameter of the inner straw is slightly smaller than the inner diameter of the taper of the intermediate straw, and The outer diameter is slightly smaller than the inner diameter of the tip of the outer straw, and the outer diameter of the intermediate enlarged portion of the inner straw is slightly larger than the inner diameter of the tip of the intermediate straw. Diameter part The diameter is slightly larger than the inner diameter of the tip of the outer straw, and when the inner straw, intermediate straw, and outer straw are extended, the middle enlarged diameter of each straw expands the tip of each straw to fit. In addition, an inward projection for positioning is provided at a position near the distal end of each of the intermediate straw and the outer straw, and the inner end of the outer straw has a smaller inner diameter than the outer diameter of the base enlarged diameter portion of the inner straw. It is characterized in that a reduced diameter portion for preventing slipping out is provided.

[0006]

The three-stage telescopic straw for beverages of the present invention constructed as described above becomes approximately three times as long as it is contracted when it is extended, and is approximately one-third when it is extended when it is contracted. This means that when drinking using this straw, it will be long enough if it is stretched, and on the contrary, it is very small in the contracted state and can be attached to a narrow place of the beverage container. Also, at the time of extension, at the fitting portion of each of the inner straw and the middle straw and between the middle straw and the outer straw, the middle enlarged-diameter portion expands and closes the tapered portion of the tip to ensure an airtight state. Further, at the time of extension, the positioning inward projection engages with the proximal end of the straw, thereby preventing its retraction. In addition, the reduced diameter portion at the proximal end of the outer straw prevents the middle straw and the inner straw from coming off.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. In the drawing, reference numeral 1 denotes a small-diameter inner straw, the tip of which is cut off obliquely and has a sharp tip as a beveled end portion 2 so that it can be easily pierced with a light force when piercing into a beverage container. As shown in FIG. 5, the proximal end of the inner straw 1 has an intermediate enlarged portion 4 connected by a step 3 or a short inclination, and is connected to the intermediate enlarged portion 4 by the same step 5 or a short inclination to further increase the diameter. It has a base end enlarged diameter portion 6.

In the drawing, reference numeral 7 denotes an intermediate straw having a middle diameter, and at the base end thereof, as in the case of the inner straw, an intermediate enlarged diameter portion 4 connected by a step 3 or a short inclination as shown in FIG. The portion 4 also has a proximal end enlarged portion 6 which is also connected by a step 5 or a short inclination and further enlarged in diameter. At the tip of the intermediate straw 7, there is provided a short step portion 8 whose diameter is reduced by a relatively steep inclination, and a tapered portion 9 connected to the step portion 8.

In the drawing, reference numeral 10 denotes a large-diameter outer straw, and its proximal end is formed as a reduced-diameter portion 11 so that the inserted intermediate straw 7 and the inner straw 1 do not come off as described later.
The inner diameter is smaller than the outer diameter of the proximal end enlarged diameter portion 6 of the inner straw. Also, at the tip of this outer straw 10,
As shown in FIG. 7, it has a short step portion 8 whose diameter is reduced by a relatively steep inclination similar to the tip of the intermediate straw, and a tapered portion 9 connected to the step portion 8.

The inner straw 1 is inserted into an intermediate straw 7, and the intermediate straw 7 is inserted into an outer straw 10. The outer diameter of the inner straw 1 is slightly smaller than the inner diameter of the tapered portion 9 of the intermediate straw 7 so that the inner straw 1 and the intermediate straw 7 can be easily expanded and contracted. It is slightly smaller than the inner diameter of the taper 9 of the outer straw 10.

Then, the inner straw 1 is connected to the intermediate straw 7.
From the tip of the outer straw 10
In order to prevent the inner straw 1 from being pulled out from the intermediate straw 7 and the intermediate straw 7 from being pulled out from the outer straw 10 at the final time, the outer diameter of the intermediate expanded portion 4 of the inner straw 1 7 and the intermediate enlarged diameter portion 4 of the intermediate straw 7
Of the outer straw 10 is slightly larger than the inner diameter of the tapered portion 9 of the outer straw 10, and the intermediate expanded portion 4 and the tapered portion 9 expand and contact the tapered portion 9 with the intermediate expanded portion 4 and the tapered portion 9 overlapping. To keep the airtight state.

The intermediate straw 7 and the outer straw 10 have positioning inward projections which also serve as stoppers, which prevent pulling in when the proximal enlarged diameter portion 6 gets over at the overlapping position of the intermediate enlarged diameter portion 4 and the tapered portion 9. It has 12. The inner diameter of the inward projection 12 is substantially the same as the outer diameter of the inner straw. In addition, the protrusion 12 has a front end side of the straw that is substantially perpendicular to the straw surface and a base end side that is slightly inclined.

FIG. 9 shows another embodiment. This embodiment is different from FIG. 1 except that the shape of the tip of the inner straw 1 is different.
4 to FIG. The feature of this embodiment is that the distal end portion 13 of the inner straw 1 is configured to be enlarged in diameter, so that a large hole can be formed when piercing the container, which is preferable.

FIGS. 10 to 12 show an example in which the three-stage telescopic straw of the present invention is attached to the lid of a beverage container. In the figure, reference numeral 14 denotes a cup-shaped beverage container, and a thin sealing lid 15 is provided at the opening thereof, and a lid 16 is placed thereon. A concave portion 17 is provided at the center of the cover 16 and a groove-shaped straw storage portion 18 restored upward along the center line thereof.
Where the three-stage telescopic straw of the present invention is stored. Click stoppers 19, 19 are formed at the center position of the straw storage portion in order to make the storage and removal of the straw good.

[0015]

[Effects of the Invention] The three-stage telescopic straw of the present invention constructed as described above is extremely short and small when it is in a contracted state, and can be used in a narrow place such as a lid or a bottom of a beverage container or in a rectangular beverage container. It can adhere to the side wall along the lateral direction, and has the effect of not adversely affecting the surface printing of the container. In addition, the inner straw does not come out of the outer straw, and the expansion and contraction action is light. And has a sufficiently practical effect.

[Brief description of the drawings]

FIG. 1 is a view showing a contracted state of a three-stage telescopic straw of the present invention.

FIG. 2 is a view of the same with the base end side viewed from the front.

FIG. 3 is a diagram showing the front end side as viewed from the front.

FIG. 4 is a diagram showing an extended state.

FIG. 5 is a view showing only the inner straw of the three-stage straw of the present invention.

FIG. 6 is a view showing only an intermediate straw.

FIG. 7 is a diagram showing only outer straws.

FIG. 8 is a sectional view showing details of a fitting portion in an extended state.

FIG. 9 is a view showing an expanded state of another embodiment of the three-stage telescopic straw of the present invention.

FIG. 10 is a rear view of the lid in a state where the three-stage telescopic straw of the present invention is attached to the lid of the beverage container.

FIG. 11 is a sectional view of the lid shown in FIG. 10;

12 is a half sectional front view showing a state where the lid of FIG. 10 is applied to a cup-shaped container and used.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Inside straw 3 Step 4 Intermediate enlarged part 5 Step 6 Base end enlarged part 7 Intermediate straw 8 Step part 9 Tapered part 10 Outer straw 11 Reduced diameter part 12 Inward projection for positioning

Claims (1)

(57) [Scope of request for utility model registration] 1. A three-stage telescopic straw in which an inner straw is inserted into an intermediate straw, and the intermediate straw is inserted into an outer straw. It has a base-end enlarged-diameter portion further enlarged than the intermediate enlarged-diameter portion, and has a stepped portion for reducing the diameter and a tapered portion connected to the stepped portion at each end of the intermediate straw and the outer straw. The outer diameter of the inner straw is made slightly smaller than the inner diameter of the tip of the middle straw, and the outer diameter of the intermediate straw is made slightly smaller than the inner diameter of the tip of the outer straw. The outer diameter of the diameter portion is slightly larger than the inner diameter of the tapered portion of the middle straw, and the outer diameter of the intermediate enlarged portion of the middle straw is slightly larger than the inner diameter of the tapered portion of the outer straw. , Intermediate When the straw and the outer straw are extended, the intermediate enlarged diameter portion of each straw expands and fits the tapered portion of the tip of each straw. A three-stage telescopic straw for beverages, comprising: a directional projection, and a reduced diameter portion for preventing escape which has an inner diameter smaller than the outer diameter of the proximal enlarged diameter portion of the inner straw at the proximal end of the outer straw. .