A drinking straw with a built-in nanobubble generating mechanism

Abstract

To provide a drinking straw with a built-in nanobubble generating mechanism, which enables a user to constantly ingest beverages containing nanobubbles through the straw without requiring any special operation. [Solution] The straw body 1 sucks fluid from the tip 5, while simultaneously drawing in air from within the liquid through the hole 6. Water pressure increases as the fluid passes through the ring part 2 inside the straw body 1. As the fluid passes through the straw tube and finishes passing through the ring part 2, the water pressure drops suddenly, creating a pressure difference. There is a partition plate 4 with slits inside the straw, which disperses and applies pressure to the fluid flow. In addition, by providing a hole 6 at the tip, air present in the liquid is drawn in, effectively generating nanobubbles. Repeated pressure differences create nanobubbles due to shear stress and the Venturi effect.

Description

[Technical Field]

[0001] The present invention relates to a straw for consuming beverages, and more particularly to an improved straw that has the function of generating nanobubbles (or microbubbles) in beverages. [Background technology]

[0002] Regular straws do not have a bubble-generating mechanism and do not contribute to improving the quality or functionality of beverages.

[0003] Nanobubbles are known to contribute to maintaining the flavor of beverages, assisting in sterilization, and promoting absorption.

[0004] However, there is no technology that can stably generate nanobubbles using a portable straw-type structure.

[0005] [Patent Document 1] Japanese Patent Application Laid-Open No. 2011-020005 [Patent Document 2] Japanese Patent Publication No. 2022-008179 [Patent Document 3] Japanese Patent Publication No. 2020-041331 Summary of the Invention

[0006] We propose a technology that uses pressure difference, fluid collision, porous film, and Venturi structure to generate nanobubbles in liquid that is sucked and pressurized through a straw. [Problem to be solved by the invention]

[0007] The straw has a built-in pressure chamber and venturi structure, allowing nanobubbles to be generated naturally by the suction flow of the beverage.

[0008] The material used is highly corrosion-resistant resin or silicone. [Effects of the Invention]

[0009] Users can constantly consume beverages containing nanobubbles through a straw without any special operations.

[0010] It can also be used for medical, nursing care, health and pet purposes. [Means for solving the problem]

[0011] We propose a technology that uses pressure difference, fluid collision, porous film, and Venturi structure to generate nanobubbles in liquid that is sucked and pressurized through a straw. [Brief explanation of the drawings]

[0012] [Figure 1] Appearance of the straw [Figure 2] Cross section of a straw [Figure 3] When in use

[0013] Figure 1 shows the appearance, Figure 2 shows the storage state, and Figure 3 shows the fluid flow when in use. When fluid is sucked through the straw, it passes through the ring inside the straw, causing the water pressure to increase at the ring. Once it has passed through the ring, the inner diameter expands and the water pressure decreases. By repeating this process, the water pressure rises and falls rapidly, generating multiple shear stresses and the Venturi effect. There is a partition plate with slits inside the straw that disperses the fluid flow while also applying pressure. There is also a hole at the tip, which allows air present in the liquid to be taken in, effectively generating nanobubbles. [Explanation of symbols]

[0014] 1 straw body 2 ring part 2 3 nozzles 3 4 slit partition boards 4 5 Tip 5 6 holes 6 7 Brim 7 8 flow paths

Claims

1. This straw is used to suck up a beverage from a beverage container. The straw has a ring section that generates nanobubbles by changing the fluid flow rate and pressure difference. The first ring is located 20 mm to 180 mm from the mouthpiece, and there are 5 to 30 rings in total. The drinking straw is characterized by the inner diameter of the rings being 1.1 mm to 4 mm and the ring pitch being 2 mm to 7 mm.

2. 2. The drinking straw of claim 1, wherein the cross-sectional shape of the ring is trapezoidal.

3. The drinking straw of claim 1, characterized in that it has 0 to 4 holes with a diameter of 0.3 mm to 0.6 mm located 5 to 30 mm from the tip of the drinking straw to promote the generation of nanobubbles.

4. The drinking straw of claim 1 has a collar to prevent rolling.

5. In the drinking straw of claim 1, there are two to three partition plates with slits inside the straw, and each partition plate has one to five slits that disperse the flow of fluid while applying pressure.

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