TWI656859B - straw - Google Patents

Abstract

A straw comprising an outer tube and an inner tube, wherein the outer tube and the inner tube are formed by a food grade silicone material, forming a channel at the center, and the outer tube and the inner tube a strip having a hardness higher than that of the inner tube body and having flexibility; wherein the passage of the outer tube has a region having a different cross-sectional dimension, and a region having a larger cross-sectional dimension may be defined as an inner tube The groove, the area having a small cross-sectional dimension may be defined as a slot, and the inner tube has an outer diameter cross-sectional dimension slightly smaller than the cross-sectional dimension of the inner tube inner tube groove, and is disposed in the inner tube groove of the outer tube. The straw of the invention has the characteristics of being stretchable, bendable and convenient to carry.

Description

straw

The present invention relates to a straw, and more particularly to a portable reusable straw.

The straw is a convenient product for assisting drinking water or beverages. Generally, the commonly used straws are mostly used at one time, so the cost is low. However, when using plastic straws to drink various hot drinks or acidic beverages, the plastic straws easily release plasticizers and various heavy metal components, which are harmful to human health. In addition, the use of disposable plastic straws has caused the use of environmentally-friendly disposable straws. burden.

In recent years, with the awakening of environmental awareness and the increasing importance of food hygiene and safety, people have begun to realize the dangers of using disposable plastic straws, and have developed reusable environmentally-friendly straws. Currently, the common environmentally-friendly straws on the market are roughly divided. There are two kinds of materials, one is a straw made of glass, and the other is a straw made of stainless steel. However, the straws of the above two materials are all rigid materials. Because they are not flexible, they cannot be bent like plastic with a folding head. Moreover, glass straws and stainless steel straws have the disadvantage of being inconvenient to carry. Therefore, although consumers purchase environmentally-friendly straws, most of them do not carry them with them. They often use disposable plastic straws because they want to buy beverages when they go out. The use of environmentally friendly straws to reduce disposable waste is not possible.

In view of this, the main purpose of this creation is to provide a straw that is flexible and easy to carry and reusable.

In order to achieve the above object, the present invention provides a straw comprising an outer tube and an inner tube, wherein: the outer tube is a tube formed of a food grade silicone material, and forms a class-like passage at the center, the passage The area having two cross-sectional dimensions is different, wherein the area with a larger cross-sectional dimension of the channel can be defined as an inner tube groove, and the area with a smaller cross-sectional area of the channel can be defined as a slot, and the outer tube body is axially disposed along the outer tube a strip having a hardness higher than that of the tube body; the inner tube has an outer diameter cross-sectional dimension slightly smaller than a cross-sectional dimension of the inner tube inner tube groove, and is disposed in the inner tube groove of the outer tube, The inner tube is a tube formed by a food grade silicone material, forming a channel at the center.

The straw as described above, wherein the inner tube body is provided with a strip having a higher hardness than the inner tube body and having flexibility in the axial direction.

The straw as described above, wherein the inner tube groove of the outer tube has a length dimension larger than a length dimension of the sleeve of the outer tube, and the inner tube has a length dimension larger than a length dimension of the inner tube groove of the outer tube.

Preferably, the straw of the outer tube has a cross-sectional dimension equal to or slightly smaller than the cross-sectional dimension of the outer diameter of the inner tube.

Preferably, the straw of the outer tube and the strip of the inner tube are further coated with a silicone film on the outer side.

Preferably, the end of the inner tube away from the outer tube is a slanted opening, and one end of the outer tube slot is a slanted opening.

Preferably, the strips are a flexible strip of metal as described above.

By the above technical means, the straw of the creation has the following effects:

1. The inner tube and outer tube of the creation are made of food grade silicone material, which has better acid resistance and heat resistance compared with plastic material straw, and is advantageous for repeated use, compared with stainless steel straw and glass straw. Flexible.

2. The outer tube and the inner tube of the creation are provided with flexible strips having a hardness higher than that of the rubber tube body, which can increase the strength of the tube body of the silicone material.

3. When not in use, the user can bend the straw of the creation, or insert the end of the inner tube into the slot of the outer tube, so that the straw of the creation is made into a ring shape, which is convenient to carry around.

10‧‧‧External management

11‧‧‧Body

12‧‧‧ inner tube slot

13‧‧‧ slots

14‧‧‧Metal strips

15‧‧‧矽 film

20‧‧‧Inside

21‧‧‧ tube body

22‧‧‧ channel

23‧‧‧Metal strips

24‧‧‧矽 film

1 is an exploded perspective view of a preferred embodiment of the present invention.

Figure 2 is a side cross-sectional view and a partial enlarged view of the preferred embodiment of the present invention.

Figure 3 is a schematic illustration of the use of the preferred embodiment of the present invention.

Figure 4 is a side cross-sectional view of the preferred embodiment of the present invention when folded.

FIG. 5 is a schematic diagram of a preferred embodiment of the present invention.

In order to understand the technical features and practical functions of the present invention in detail, and in accordance with the contents of the specification, the following is a detailed description of the preferred embodiment as shown in the following: This creation mainly provides a straw, please cooperate Referring to FIG. 1 and FIG. 2, an outer tube 10 and an inner tube 20 are included. The outer tube 10 is a tube body 11 formed of a food grade silicone material, and forms a class-like channel at the center. A region having a different cross-sectional dimension, wherein a region having a larger cross-sectional dimension of the channel may be defined as an inner tube groove 12, and a region having a smaller cross-sectional area of the channel may be defined as a slot 13 which is outside the tube body 11 The tube 10 is axially embedded with a flexible metal strip 14; preferably, the inner tube slot 12 has a length dimension greater than the length dimension of the slot 13, and one end of the outer tube 10 slot 13 is a slanted opening.

The inner tube 20 has an outer diameter cross-sectional dimension slightly smaller than the cross-sectional dimension of the inner tube groove 12 of the outer tube 10, and is disposed in the inner tube groove 12 of the outer tube 10, and the inner tube 20 is formed by a food grade silicone material. Tube The body 21 defines a channel 22 at the center, and the tube 21 of the inner tube 20 is embedded with a flexible metal strip 23 along the axial direction of the inner tube 20. Preferably, the length of the inner tube 20 is larger than the outer tube. The length of the inner tube groove 12 of 10 is an oblique end of the inner tube 20 away from the outer tube 10.

Preferably, the straws of the outer tube 10 and the metal strips 23 of the inner tube 20 are coated with a silicone film 15, 24 in such a manner that the metal strips 14, 23 and The tube 10 has a better bond between the rubber tube body 11 and the inner tube 20 and the rubber tube body 21.

A preferred manufacturing method of the outer tube 10 and the inner tube 20 of the straw of the present invention is that the metal strips 14, 23 are first immersed in the silicone tank, and the outer side of the metal strips 14, 23 is covered with a layer of silicone film 15, 24 A metal strip 14, 23 of the rubber film 15, 24 is placed in the mold of the outer tube 10 or the inner tube 20, and is coated with a coating forming technique such as coating injection, burying or molding, and the like. The metal strips 14, 23, the outer tube 10 and the inner tube 20 of the rubber tube body 11, 21, and then the inner tube 20 is placed in the inner tube groove 12 of the outer tube 10, or the outer tube 10 and the inner tube 20 are directly separated. Packing, so you can complete the straw of this creation.

Referring to FIG. 3, the straw of the present invention can be directly inserted into the beverage cup to drink the beverage, or the inner tube 20 can be used to drink the beverage after the inner tube 20 is taken out; in addition, because the inner tube groove 12 of the outer tube 10 is used. The cross-sectional dimension is slightly larger than the cross-sectional dimension of the outer diameter of the inner tube 20, so that the inner tube 20 can relatively move within the inner tube groove 12 of the outer tube 10, and relatively extend the length of the straw, and has a large frictional force due to the silicone material. After the inner tube 20 is pulled out, the relative position between the outer tube 10 and the inner tube 20 can be maintained, so that the straw of the present invention can be used for beverage containers of different depths; and the advantage of directly using the inner tube 20 for drinking beverages Therefore, since the inner tube 20 is disposed in the outer tube 10, the inner tube 20 can be protected from contact with the external environment, so that the inner tube 20 is not contaminated by dust and dirt, and the user can carry and use the reusable straw. After the intention, and after use, the inner tube 20 is taken back into the outer tube 10 so that the beverage residue on the inner tube 20 is not contaminated with other items.

In addition, since the outer tube 10 and the inner tube 20 of the present invention are provided with a flexible metal strip 14, 23, the strength of the tube body 11, 21 of the silicone material can be increased. Preferably, one end of the inner tube 20 is provided. for An inclined mouth, and one end of the slot 13 of the outer tube 10 is a slanting opening, so that the straw of the present invention can be inserted into the beverage cup with the sealing film by using the oblique end; and the tube bodies 11, 21 of the silicone material can be bent and The shape of the fixed bending of the metal strips 14, 23 is supported. Referring to Figures 2 and 4, when carrying, the user can insert the end of the inner tube 20 exposed from the outer tube 10 into the slot 13 of the outer tube 10. And making the straw of the present invention into a ring shape, and the cross-sectional dimension of the outer tube 10 slot 13 is equal to or slightly smaller than the outer diameter of the inner tube 20, and the inner tube 20 is relatively easy to be inserted into the slot of the outer tube 10 due to the design of the oblique opening. 13, and when the inner tube 20 is inserted into the slot 13 of the outer tube 10, the opening of the slot 13 or the port of the inner tube 20 of the outer tube 10 may be slightly deformed due to the tube body 11, 21 of the silicone material, so that the inner tube 20 Inserted into the slot 13 of the outer tube 10, and the slot 13 of the outer tube 10 is tightly wrapped around the inner tube 20, so that the inner tube 20 does not easily fall off the slot 13 of the outer tube 10; The straw of the creation is carried as a bracelet as shown in Fig. 5, or the straw of the creation is hung on the bag or in the income bag, so that the user can carry it with him.

As described above, the metal strips 14, 23 provided in the outer tubes 10 and the inner tubes 20 of the tubes 11, 21 can also be replaced with plastic strips having a higher hardness than the tubes 11, 21 and having flexibility, or the like. A strip having a hardness higher than that of each of the tubes 11, 21 and having flexibility.

It is apparent that the various modifications and changes can be made without departing from the spirit and novel concept of the invention, and the specific embodiments disclosed herein are not intended to limit the invention. All modifications in the scope of the appended patent application.

Claims (10)

A straw comprising an outer tube and an inner tube, wherein: the outer tube is a tube formed by a food grade silicone material, forming a class-like channel at the center, the channel having a region having a different cross-sectional dimension The area with a larger cross-sectional area of the channel may be defined as an inner tube groove, and the area with a smaller cross-sectional area of the channel may be defined as a slot, and the outer tube body has a hardness higher than that of the tube body along the axial direction of the outer tube. a flexible one; the inner tube has an outer diameter cross-sectional dimension slightly smaller than a cross-sectional dimension of the inner tube inner tube groove, and is movably disposed in the inner tube groove of the outer tube, the inner tube is a food The tube formed by the grade of silicone material forms a channel at the center. The straw according to claim 1, wherein the inner tube body is provided with a strip having a higher hardness than the inner tube body and having flexibility in the axial direction. The straw according to claim 2, wherein the inner tube groove of the outer tube has a length dimension larger than a length dimension of the outer tube slot, and the inner tube has a length dimension larger than a length dimension of the inner tube groove of the outer tube. The straw of claim 3, wherein the outer tube slot has a cross-sectional dimension equal to or slightly smaller than a cross-sectional dimension of the inner tube outer diameter. The straw according to claim 4, wherein one end of the outer tube slot is a slanted opening, and one end of the inner tube is a slanted opening. The straw of any one of claims 2 to 5, wherein each of the strips is a flexible metal strip. The straw according to claim 6, wherein each of the strips is further coated with a silicone film on the outer side. A straw comprising a tube formed of a food grade silicone material, forming a channel at the center, wherein the tube body is provided with a flexible member having a higher hardness than the tube body in the axial direction. The straw of claim 1 or 8, wherein the strip is a flexible metal strip. The straw according to claim 9, wherein the strip is further coated with a silicone film on the outside.