Puncture repair fluid unit and puncture repair kit

Abstract

To provide a puncture repair liquid unit capable of reducing the time required to supply compressed air to a punctured tire.SOLUTION: This invention relates to a puncture repair liquid unit 2 and a puncture repair kit 1. An extraction cap 12 has a first flow channel 31, a second flow channel 32 and a third flow channel 33. The first flow channel 31 extends between a first inlet 34, which can be connected to a compressor device 3 that generates compressed air C, and a first outlet 35 that opens in a container 11. The second flow channel 32 extends between a second inlet 36 opening in the container 11 and a second outlet 37 for extracting the puncture repair liquid 14 from the extraction cap 12 and supplying it to the punctured tire 5 to be repaired. The second inlet 36 communicates with the first outlet 35 through a space in the container 11. A third flow channel 33 communicates with the first flow channel 31 and the second flow channel 32 outside the space of the container 11 so that a portion of the compressed air C in the first flow channel 31 flows into the second flow channel 32.SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] The present disclosure relates to a tire repair fluid unit and a tire repair kit. [Background technology]

[0002] A bottle unit for repairing a puncture is described in Patent Document 1. This bottle unit includes a bottle container containing a puncture repair fluid and a cap that is attached to the opening of the bottle container.

[0003] The cap has a first flow path and a second flow path. The first flow path has a first opening that opens inside the bottle container and is used to send compressed air from the compressor into the bottle container. The second flow path has a second opening that opens inside the bottle container and is used to sequentially extract tire repair fluid and compressed air from the bottle container by sending compressed air into it. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Publication No. 2018-192667 Summary of the Invention [Problem to be solved by the invention]

[0005] However, with the above-mentioned bottle unit, there was a problem that some of the puncture repair fluid tended to solidify near the valve of the punctured tire being repaired, blocking part of the compressed air supply path, making it take a long time to supply compressed air to the tire.

[0006] The present disclosure has been devised in view of the above-described circumstances, and has as its main object to provide a tire repair fluid unit that can shorten the time required to supply compressed air to a flat tire. [Means for solving the problem]

[0007] The present disclosure relates to a tire repair fluid unit comprising a container containing tire repair fluid in an internal space and an extraction cap fixed to the mouth of the container, wherein the extraction cap has a first flow path, a second flow path and a third flow path, wherein the first flow path extends between a first inlet connectable to a compressor device that generates compressed air and a first outlet opening within the container, and the second flow path extends between a second inlet opening within the container and a second outlet for extracting the tire repair fluid from the extraction cap and supplying it to a punctured tire to be repaired, the second inlet being connected to the first outlet via the space of the container, and the third flow path connecting the first flow path and the second flow path outside the space of the container so that a portion of the compressed air in the first flow path flows to the second flow path. [Effects of the Invention]

[0008] By adopting the above-described configuration, the puncture repair fluid unit of the present disclosure can shorten the time required to supply compressed air to a punctured tire. [Brief explanation of the drawings]

[0009] [Figure 1] 1 is a perspective view showing a state in which the puncture repair kit of the present embodiment is used. FIG. [Figure 2] FIG. 2 is a partial cross-sectional view of the tire repair fluid unit of the present embodiment. [Figure 3] FIG. 3 is an exploded enlarged view of FIG. 2. [Figure 4] FIG. 10 is a cross-sectional view showing the tire repair fluid unit with the inner cap moved into the space. [Figure 5] FIG. 10 is a partial cross-sectional view of a tire repair fluid unit according to another embodiment of the present disclosure. [Figure 6] FIG. 10 is a cross-sectional view of the tire repair fluid unit after the blocking portion has moved. DETAILED DESCRIPTION OF THE INVENTION

[0010] Hereinafter, embodiments of the present disclosure will be described with reference to the drawings. It should be understood that the drawings include exaggerated representations and representations that differ from the dimensional ratios of actual structures in order to facilitate understanding of the contents of the disclosure. Furthermore, identical or common elements are designated by the same reference numerals throughout the embodiments, and redundant explanations will be omitted. Furthermore, the specific configurations shown in the embodiments and drawings are intended to facilitate understanding of the contents of the present disclosure, and the present disclosure is not limited to the specific configurations shown in the drawings.

[0011] [Puncture repair kit] 1 is a perspective view showing a state in which a puncture repair kit 1 of this embodiment is in use. The puncture repair kit 1 of this embodiment is configured to include a puncture repair fluid unit 2 and a compressor device 3.

[0012] In the puncture repair kit 1 of this embodiment, for example, when repairing a puncture, a puncture repair fluid unit 2 and a compressor device 3 are connected. Also, in this embodiment, for example, one end of a hose 4 is connected to the puncture repair fluid unit 2. The other end of the hose 4 is connected to a valve 6 of a punctured tire (i.e., a punctured tire) 5 to be repaired.

[0013] [Compressor equipment] The compressor device 3 of this embodiment is for generating compressed air, and for example, a known device can be used. In the compressor device 3 of this embodiment, compressed air (for example, about 300 to 400 kPa) is generated by, for example, operation of a built-in motor (not shown). The generated compressed air is discharged from a compressed air discharge portion 7 that can be connected to the tire repair fluid unit 2.

[0014] [Puncture repair fluid unit (first embodiment)] The tire repair fluid unit 2 of this embodiment includes a container 11 and an extraction cap 12. Figure 2 is a cross-sectional view of the container 11 and the extraction cap 12. In this embodiment, the configuration of the tire repair fluid unit 2 will be described in a standard position in which the mouth 16 of the container 11 faces downward.

[0015] [container] The container 11 of this embodiment contains a tire repair fluid 14 in an internal space 13. The container 11 of this embodiment includes a body portion 15 and a mouth portion 16, similar to the container 11 of Patent Document 1.

[0016] The body 15 of this embodiment is formed in a cylindrical shape. The mouth 16 of this embodiment protrudes from the end (lower end) of the body 15. An external thread 17 is provided on the outer circumferential surface of the mouth 16.

[0017] [Extraction cap] The extraction cap 12 of this embodiment includes a base portion 19 , a recessed portion 20 , a boss portion 21 , and a rib portion 22 .

[0018] [Base and recess] As shown in Fig. 1, the base 19 of this embodiment is formed, for example, in a cylindrical shape centered on an axis (not shown) extending in the vertical direction. As shown in Figs. 1 and 2, the recess 20 of this embodiment is recessed from one end (upper end) 19t of the base 19. The recess 20 of this embodiment has an inner circumferential surface 20a and a bottom surface 20b, and is formed, for example, in a concave cylindrical shape centered on the axis (not shown).

[0019] In this embodiment, an inner peripheral surface 20a of the recess 20 is provided with an internal thread portion 23 into which the external thread portion 17 of the container 11 can be screwed. The extraction cap 12 is fixed to the opening 16 of the container 11 by screwing the external thread portion 17 into the internal thread portion 23. A packing material 24 that seals the end of the opening 16 may be arranged on the bottom surface 20b of the recess 20.

[0020] [Boss part] The boss portion 21 of this embodiment protrudes from the bottom surface 20b of the recess 20 toward the container 11 (upper side in FIG. 2) inside the container 11. One end (upper end) 21t of the boss portion 21 of this embodiment is located closer to the container 11 (upper side) than one end 19t of the base portion 19.

[0021] The boss portion 21 of this embodiment is disposed approximately in the center of the recessed portion 20 and is formed, for example, in a cylindrical shape centered on an axis (not shown) extending in the vertical direction. The boss portion 21 of this embodiment is formed, for example, concentrically with the recessed portion 20.

[0022] Fig. 3 is an exploded enlarged view of Fig. 2. In this embodiment, a groove 25 is provided on the outer peripheral surface 21a of the boss portion 21, the groove 25 being recessed radially inward of the boss portion 21. In this embodiment, the groove 25 is formed, for example, continuously in the circumferential direction of the boss portion 21.

[0023] [Rib section] As shown in Fig. 2, the rib portion 22 of this embodiment protrudes from the bottom surface 20b of the recessed portion 20 toward the container 11 (upward in Fig. 2) within the container 11. The rib portion 22 of this embodiment is disposed so as to surround the outer peripheral surface 21a (shown in Fig. 3) of the boss portion 21, and is formed, for example, in a ring shape centered on an axis (not shown) extending in the vertical direction. The rib portion 22 of this embodiment is formed, for example, concentrically with the recessed portion 20 and the boss portion 21.

[0024] The extraction cap 12 of this embodiment includes a first flow path 31, a second flow path 32, and a third flow path 33.

[0025] [First flow path] The first flow path 31 of this embodiment extends between a first inlet 34 connectable to a compressor device 3 (compressed air discharge portion 7) that generates compressed air C, and a first outlet 35 that opens within the container 11.

[0026] The first inlet 34 in this embodiment is formed, for example, in a first nozzle portion 39 that protrudes from the outer peripheral surface 19a of the base portion 19. The first inlet 34 (first nozzle portion 39) is connected to the compressed air discharge portion 7 (shown in FIG. 1) of the compressor device 3.

[0027] The first outlet 35 of this embodiment is formed, for example, as a hole that opens at one end (upper end) 21t of the boss portion 21. With the first inlet 34 and the first outlet 35, the first flow path 31 of this embodiment can cause the compressed air C generated by the compressor device 3 to flow from the first inlet 34 to the first outlet 35 and supply it into the container 11.

[0028] The first flow path 31 of this embodiment is configured to include a first portion 31 A and a second portion 31 B. The first portion 31 A and the second portion 31 B intersect with each other via a first connecting portion 31C.

[0029] The first portion 31A of this embodiment extends, for example, substantially horizontally between the first inlet 34 and the first connecting portion 31C. The second portion 31B of this embodiment extends, for example, substantially vertically between the first connecting portion 31C and the first outlet 35. The first portion 31A and the second portion 31B form the first flow path 31 of this embodiment in an L-shape. This allows the first flow path 31 to, for example, bend the compressed air C supplied from the first inlet 34 at the first connecting portion 31C and flow to the first outlet 35. The first portion 31A and the second portion 31B of this embodiment are formed to have substantially the same inner diameter R1 (shown in FIG. 3 ) except for the first inlet 34, for example.

[0030] [Second flow path] In this embodiment, the second flow path 32 extends between a second inlet 36 opening within the container 11 and a second outlet 37 for withdrawing the tire repair fluid 14 from the extraction cap 12 and supplying it to the punctured tire 5 (shown in Figure 1) to be repaired.

[0031] The second inlet 36 in this embodiment is formed as an annular hole provided between the boss portion 21 and the rib portion 22. This second inlet 36 communicates with the first outlet 35 via the space 13 of the container 11, for example, when an inner cap 41 (described later) moves into the space 13 of the container 11 (i.e., the inner cap 41 is removed).

[0032] The second outlet 37 in this embodiment is formed, for example, in a second nozzle portion 40 that protrudes from the outer peripheral surface 19a of the base portion 19. To this second outlet 37 (second nozzle portion 40), for example, a hose 4 (shown in FIG. 1) connected to the punctured tire 5 to be repaired is connected.

[0033] With the second inlet 36 and the second outlet 37, the second flow path 32 of this embodiment can allow the tire repair fluid 14 contained in the container 11 to flow from the second inlet 36 to the second outlet 37. This allows the tire repair fluid 14 to be supplied to the punctured tire 5 (shown in FIG. 1) to be repaired.

[0034] The second flow path 32 of this embodiment is configured to include a third portion 32 A and a fourth portion 32 B. The third portion 32 A and the fourth portion 32 B intersect with each other via a second connecting portion 32 C.

[0035] The third portion 32A of this embodiment extends, for example, substantially vertically between the second inlet 36 and the second connecting portion 32C. The fourth portion 32B of this embodiment extends, for example, substantially horizontally between the second connecting portion 32C and the second outlet 37. The third portion 32A and the fourth portion 32B form the second flow path 32 in an L-shape. This allows the second flow path 32 to, for example, bend the tire repair fluid 14 supplied from the second inlet 36 at the second connecting portion 32C and flow to the second outlet 37. The inner diameter of the fourth portion 32B of this embodiment is set, for example, to be larger than the inner diameter of the third portion 32A.

[0036] [Third flow path] The third flow path 33 of this embodiment connects the first flow path 31 and the second flow path 32 outside the space 13 of the container 11 (inside the extraction cap 12 in this example). Such a third flow path 33 allows a portion of the compressed air C in the first flow path 31 to flow to the second flow path 32 without passing through the space 13 of the container 11.

[0037] The third flow path 33 of this embodiment extends, for example, substantially horizontally between the first connecting portion 31C of the first flow path 31 and the second connecting portion 32C of the second flow path 32. Therefore, in this embodiment, the first portion 31A of the first flow path 31, the fourth portion 32B of the second flow path 32, and the third flow path 33 extend in a straight line. This allows the third flow path 33 to smoothly flow a portion of the compressed air C in the first flow path 31 to the second flow path 32.

[0038] [Inner cap] In this embodiment, the first outlet 35 and the second inlet 36 are separated from the space 13 of the container 11 by an inner cap 41. The inner cap 41 in this embodiment is detachably fixed to, for example, the boss portion 21 and the rib portion 22 of the extraction cap 12.

[0039] 3, the inner cap 41 of this embodiment is configured to include a first portion 41A, a second portion 41B, a third portion 41C, and a fourth portion 41D. The inner cap 41 of this embodiment is formed in a cylindrical shape that can accommodate the boss portion 21 and the rib portion 22.

[0040] The first portion 41A in this embodiment is intended to cover the first outlet 35 (one end (upper end) 21t of the boss portion 21). This first portion 41A is formed, for example, in a conical shape. The second portion 41B in this embodiment is intended to cover the one end 21t side of the outer circumferential surface 21a of the boss portion 21. This second portion 41B is formed, for example, in a cylindrical shape.

[0041] The third portion 41C of this embodiment is intended to cover the other end side of the outer peripheral surface 21a of the boss portion 21 (the bottom surface 20b side of the recess 20) and the rib portion 22. The third portion 41C is formed, for example, in a cylindrical shape. The inner diameter of the third portion 41C of this embodiment is formed to be larger than the inner diameter of the second portion 41B.

[0042] The fourth portion 41D of the present embodiment extends, for example, between the second portion 41B and the third portion 41C. The inner diameter of the fourth portion 41D of the present embodiment decreases from the third portion 41C toward the second portion 41B, and is formed, for example, in a tapered shape.

[0043] The inner cap 41 of this embodiment has a ridge portion 42 that protrudes radially inward on its inner peripheral surface 41a. The ridge portion 42 of this embodiment includes a first ridge portion 42A and a second ridge portion 42B. The first ridge portion 42A and the second ridge portion 42B are formed continuously in the circumferential direction of the inner cap 41.

[0044] The first convex ridge portion 42A in this embodiment protrudes toward the boss portion 21 (toward the radial inside of the inner cap 41). The first convex ridge portion 42A in this embodiment is fitted into the recessed groove 25 of the boss portion 21. As a result, the first convex ridge portion 42A can fix the inner cap 41 to the boss portion 21 while sealing the gap between the inner cap 41 and the boss portion 21.

[0045] The second convex ridge portion 42B in this embodiment protrudes toward the rib portion 22 (toward the radial inside of the inner cap 41). The second convex ridge portion 42B in this embodiment abuts against the entire outer circumferential surface 22a of the rib portion 22. This allows the second convex ridge portion 42B to fix the inner cap 41 to the rib portion 22 while sealing the gap between the inner cap 41 and the rib portion 22.

[0046] In this way, the inner cap 41 of this embodiment is fixed to the boss portion 21 and the rib portion 22, thereby isolating the first outlet 35 and the second inlet 36 from the space 13 of the container 11. As a result, the inner cap 41 can prevent the tire repair fluid 14 from leaking out of the container 11, for example, during storage before a tire is repaired.

[0047] [Function of the puncture repair fluid unit and puncture repair kit] Next, the operation of the tire repair fluid unit 2 and tire repair kit 1 of this embodiment will be described. In this embodiment, first, as shown in Fig. 1, the tire repair fluid unit 2 is connected to the compressor device 3, and the valve 6 of the punctured tire 5 is connected to the hose 4. Next, the compressor device 3 starts to generate compressed air C (shown in Fig. 2). As a result, the tire repair fluid unit 2 (tire repair kit 1) of this embodiment can supply compressed air C to the first inlet 34 and cause the compressed air C to flow through the first flow path 31 (first portion 31A), as shown in Fig. 2.

[0048] The compressed air C that flows into the first flow path 31 (first portion 31A) branches at the first connecting portion 31C into the second portion 31B of the first flow path 31 and the third flow path 33. The compressed air C that flows into the third flow path 33 flows into the second flow path 32 (fourth portion 32B) without passing through the space 13 of the container 11.

[0049] Meanwhile, the compressed air C that has flowed into the second portion 31B of the first flow path 31 flows from the first outlet 35 into the space 43 surrounded by the inner cap 41, the boss portion 21, and the rib portion 22, causing the inner cap 41 to expand. In this embodiment, this expansion of the inner cap 41 releases the fixation between the inner cap 41 and the boss portion 21 and the rib portion 22, allowing the inner cap 41 to move into the space 13 of the container 11.

[0050] 4 is a cross-sectional view showing the tire repair fluid unit 2 with the inner cap 41 moved into the space 13. In this embodiment, the movement of the inner cap 41 allows compressed air C to be supplied to the space 13 inside the container 11. Furthermore, in this embodiment, the first outlet 35 and the second inlet 36 can be connected to the space 13.

[0051] In the tire repair fluid unit 2 (tire repair kit 1) of this embodiment, the tire repair fluid 14 contained in the container 11 can be caused to flow from the second inlet 36 to the second outlet 37 (shown in FIG. 2) by supplying compressed air C to the space 13 of the container 11. As a result, in this embodiment, the tire repair fluid 14 can be extracted from the extraction cap 12 and supplied to the punctured tire 5 (shown in FIG. 1) to be repaired.

[0052] Furthermore, in this embodiment, a portion of the compressed air C in the first flow path 31 flows to the second flow path 32 via the third flow path 33, so the pressure of the compressed air C supplied from the first flow path 31 (second portion 31B) to the container 11 can be reduced compared to conventional units. As a result, the tire repair fluid unit 2 (tire repair kit 1) of this embodiment can gradually supply the tire repair fluid 14 to the punctured tire 5 (shown in FIG. 1), unlike conventional units in which the tire repair fluid 14 is supplied all at once to the punctured tire 5.

[0053] As a result of extensive research, the present inventors have found that in conventional units in which tire repair fluid 14 is supplied all at once, some of the tire repair fluid 14 tends to solidify near the valve 6 (shown in FIG. 1) of the punctured tire 5, blocking part of the supply path for the compressed air C thereafter. This tendency is more pronounced in high-temperature environments (e.g., 50 to 70°C). This blockage of the supply path causes the problem of requiring a long time to supply the compressed air C to the punctured tire 5.

[0054] On the other hand, the tire repair fluid unit 2 (tire repair kit 1) of this embodiment can gradually supply the tire repair fluid 14 to the punctured tire 5 (shown in FIG. 1), thereby preventing the tire repair fluid 14 from solidifying near the valve 6 (shown in FIG. 1). As a result, in this embodiment, the compressed air C can be stably supplied to the punctured tire 5.

[0055] Furthermore, in this embodiment, a portion of the compressed air C in the first flow path 31 can be made to flow into the second flow path 32 via the third flow path 33, so that the compressed air C can be supplied to the punctured tire 5 simultaneously with the tire repair fluid 14. As a result, the tire repair fluid unit 2 (tire repair kit 1) of this embodiment can shorten the time it takes to supply the compressed air C to the punctured tire 5.

[0056] The first flow path 31 of this embodiment can bend the compressed air C supplied from the first inlet 34 (shown in FIG. 2) at the first connecting portion 31C and direct it to the first outlet 35. Furthermore, the third flow path 33 of this embodiment can direct a portion of the compressed air C in the first flow path 31 in a straight line to the second flow path 32. This effectively prevents the pressure of the compressed air C supplied from the first flow path 31 to the container 11 from becoming higher than necessary, thereby more reliably preventing the tire repair fluid 14 from being supplied all at once to the punctured tire 5.

[0057] 3, the inner diameter R3 of the third flow path 33 is desirably smaller than the inner diameter R1 of the first flow path 31. This prevents the amount of compressed air C flowing from the third flow path 33 to the second flow path 32 from becoming excessively large, and prevents the pressure of the compressed air C in the first flow path 31 (second portion 31B) from decreasing more than necessary. As a result, in this embodiment, for example, when repairing a puncture in a low-temperature environment (e.g., −30° C. or lower), the inner cap 41, which tends to be tightly fixed, can be easily moved, thereby shortening the time required to supply compressed air C to the punctured tire 5. In this embodiment, the inner diameter R3 is the maximum diameter of the third flow path 33, and the inner diameter R1 is the maximum diameter of the first flow path 31 (excluding the first inlet 34).

[0058] The ratio R1 / R3 of the inner diameters is preferably set in the range of 1.25 to 3.50. By setting the ratio R1 / R3 to 1.25 or more, the pressure of the compressed air C supplied to the internal space 13 of the container 11 can be prevented from decreasing more than necessary, and the internal cap 41 can be easily moved when repairing a puncture in a low-temperature environment. On the other hand, by setting the ratio R1 / R3 to 3.50 or less, the pressure of the compressed air C supplied to the internal space 13 of the container 11 can be prevented from increasing more than necessary, and solidification of the tire repair fluid 14 around the valve 6 can be prevented. From this perspective, the ratio R1 / R3 is preferably 1.75 or more and preferably 2.80 or less.

[0059] [Puncture repair fluid unit (second embodiment)] 5 is a cross-sectional view of a tire repair fluid unit 2 according to another embodiment of the present disclosure. The same components as those in the previous embodiments are given the same reference numerals, and the description thereof may be omitted.

[0060] The first outlet 35 in this embodiment is formed as a hole that opens on the outer peripheral surface 21a of the boss portion 21. The first outlet 35 in this embodiment is inclined from the first flow path 31 (in this example, the second portion 31B) toward the outer peripheral surface 21a toward the bottom surface 20b of the recess 20. The first outlet 35 is provided between one end 21t of the boss portion 21 and the recessed groove 25. In this embodiment, one first outlet 35 is provided, but multiple first outlets (not shown) may be provided.

[0061] In this embodiment, the first flow path 31 is provided with a blocking portion 45 that closes the gap between the first outlet 35 and the first inlet 34 (shown in FIG. 2). The blocking portion 45 is formed in a cylindrical shape centered on an axis (not shown) that extends in the vertical direction, and is press-fitted into the first flow path 31 (in this example, the second portion 31B).

[0062] The blocking portion 45 of this embodiment is disposed between the first outlet 35 and the first inlet 34 (shown in FIG. 2), for example, during storage before a puncture repair, and can therefore close the gap between the first outlet 35 and the first inlet 34. This allows the blocking portion 45 to prevent the tire repair fluid 14 from flowing back into the first flow path 31, even if the inner cap 41 comes off due to, for example, an erroneous operation.

[0063] In this embodiment, when a tire is repaired, compressed air C is supplied to the first inlet 34, and the compressed air C flows through the second portion 31B, causing the closing portion 45 to move in a first direction D1 (in this example, the longitudinal direction (vertical direction) of the second portion 31B). This movement of the closing portion 45 connects the first inlet 34 (shown in FIG. 2) and the first outlet 35. To ensure smooth movement of the closing portion 45, it is desirable to set the ratio of the inner diameters R1 / R3 in the range of 1.25 to 3.50. FIG. 6 is a cross-sectional view of the tire repair fluid unit 2 after the closing portion 45 has moved.

[0064] Due to the communication between the first inlet 34 (shown in FIG. 1) and the first outlet 35, the compressed air C that has flowed into the second portion 31B flows from the first outlet 35 into the space 43 surrounded by the inner cap 41, the boss portion 21, and the rib portion 22. As a result, in this embodiment, the inner cap 41 can be expanded and moved into the space 13 of the container 11, similar to the previous embodiment shown in FIG.

[0065] As in the previous embodiments, the tire repair fluid unit 2 (puncture repair kit 1) of this embodiment can supply compressed air C to the space 13 inside the container 11. Furthermore, the first outlet 35 and the second inlet 36 can be connected to the space 13. As a result, in this embodiment, as in the previous embodiments, the tire repair fluid 14 can be extracted from the extraction cap 12 and supplied to the punctured tire 5 (shown in FIG. 1 ) to be repaired, thereby shortening the time required to supply compressed air C to the punctured tire 5.

[0066] 5, it is desirable that the inner diameter R1a of the first outlet 35 be set smaller than the inner diameter R1 of the first flow path 31. As a result, in this embodiment, the pressure of the compressed air C supplied from the first outlet 35 can be increased, making it possible to reliably move the inner cap 41 into the space 13 of the container 11 while gradually supplying the tire repair fluid 14 to the punctured tire 5.

[0067] The inner diameter ratio R1a / R1 is preferably set in the range of 0.2 to 0.7. By setting the ratio R1a / R1 to 0.2 or more, it becomes possible to gradually supply the tire repair fluid 14 to the punctured tire 5 while reliably moving the inner cap 41 into the space 13 of the container 11. On the other hand, by setting the ratio R1a / R1 to 0.7 or less, it becomes possible to prevent the tire repair fluid 14 from being supplied to the punctured tire 5 all at once. From this perspective, R1a / R1 is preferably 0.3 or more and preferably 0.6 or less.

[0068] As shown in FIGS. 5 and 6, the first flow path 31 has a closure 45 that moves into the space 13 of the container 11. of It is desirable to provide a retaining portion 46 that prevents the tire repair fluid unit 2 from being dislodged from the tire. This prevents the tire repair fluid unit 2 from having an outlet (not shown) that is larger than the inner diameter R1a in the first flow path 31, separate from the first outlet 35. Therefore, in this embodiment, the tire repair fluid 14 can be prevented from being supplied all at once to the punctured tire 5 (shown in FIG. 1).

[0069] Although particularly preferred embodiments of the present disclosure have been described in detail above, the present disclosure is not limited to the illustrated embodiments and can be modified and implemented in various forms. [Example]

[0070] [Example A] 1 and 2, a tire repair fluid unit and a tire repair kit having a first flow path, a second flow path, and a third flow path were produced (Examples 1 to 6). For comparison, a tire repair fluid unit and a tire repair kit not having a third flow path were produced (Comparative Example).

[0071] Next, using the prototype puncture repair kit, a punctured tire was repaired by generating compressed air (350 kPa) from the compressor device. The presence or absence of solidification of the puncture repair fluid near the valve, the movement time of the inner cap in a low-temperature environment, and the supply time of compressed air were evaluated. The test method was as follows. The test results are shown in Table 1.

[0072] <Whether or not there are clumps of puncture repair fluid> The prototype puncture repair kit was stored in a high-temperature environment (60°C) for 24 hours, after which puncture repair fluid was dispensed into the flat tire, and after all the puncture repair fluid had been dispensed, it was visually checked whether the puncture repair fluid had solidified around the valve. The results are displayed as "absent" if there are no clumps of puncture repair fluid, and "present" if there are clumps of puncture repair fluid.

[0073] <Internal cap movement time> After storing the prototype puncture repair kit in a low-temperature environment (-40°C) for 24 hours, compressed air was generated from the compressor device and the time it took for the inner cap to move into the space in the container was measured. The results are as follows. ◎: Move within 1 minute ○: Travel time: 1 to 3 minutes △: Travel time: 3 to 5 minutes

[0074] <Compressed air supply time> The prototype puncture repair kit was stored in a high-temperature environment (60°C) for 24 hours, and then the time from when the puncture repair fluid was supplied to the punctured tire until the punctured tire reached a predetermined internal pressure was measured. The results are expressed as an index with the comparative example being 100, and the smaller the number, the better the result.

[0075] [Table 1]

[0076] The test results showed that the Examples were able to prevent the tire repair fluid from solidifying near the valve compared to the Comparative Example, and were able to shorten the time it took to supply compressed air to a punctured tire. Furthermore, Examples 2 to 4, in which the ratio R1 / R3 of the inner diameter R3 of the third flow path to the inner diameter R1 of the first flow path was within the preferred range, were able to shorten the time it took for the inner cap to move in a low-temperature environment compared to Examples 1, 5, and 6, in which the ratio was outside the preferred range.

[0077] [Example B] A tire repair fluid unit and a tire repair kit were prototyped (Examples 7 to 12) having the basic structure shown in Figures 1 and 5 and including a first flow path, a second flow path, a third flow path, and a blocking portion. Next, using the prototype tire repair kit, compressed air (350 kPa) was generated from a compressor device to repair a flat tire. Then, the presence or absence of solidification of the tire repair fluid near the valve and the movement time of the blocking portion in a low-temperature environment were evaluated. The test method, except for the presence or absence of solidification of the tire repair fluid near the valve, was as follows. The test results are shown in Table 2.

[0078] <Movement time of the occlusion area> The prototype puncture repair kit was stored in a low-temperature environment (-40°C) for 24 hours, and then the time it took for the blockage to move from the time compressed air was generated from the compressor device until the first inlet and first outlet were connected was measured. The results are as follows: ○: Move within 1 minute △: Travel time: 1-3 minutes

[0079] [Table 2]

[0080] As a result of the test, Examples 7 to 12 were able to prevent the tire repair fluid from solidifying near the valve and shorten the time it took to supply compressed air to a punctured tire, similar to Examples 1 to 6 in Table 1. Furthermore, Examples 8 to 10, in which the ratio R1 / R3 of the inner diameter R3 of the third flow path to the inner diameter R1 of the first flow path was within the preferred range, were able to shorten the movement time of the inner cap in a low-temperature environment compared to Examples 11 and 12, in which the ratio was outside the preferred range.

[0081] [Note] The present disclosure includes the following aspects.

[0082] [Disclosure 1] A tire repair fluid unit comprising a container containing tire repair fluid in an internal space and an extraction cap fixed to a mouth portion of the container, the extraction cap includes a first flow path, a second flow path, and a third flow path; the first flow path extends between a first inlet connectable to a compressor device that generates compressed air and a first outlet opening within the container; The second flow path extends between a second inlet opening within the container and a second outlet for extracting the tire repair fluid from the extraction cap and supplying it to a punctured tire to be repaired, the second inlet is in communication with the first outlet through the space of the container; The third flow path communicates the first flow path with the second flow path outside the space of the container so that a portion of the compressed air in the first flow path flows to the second flow path. Puncture repair fluid unit. [Disclosure 2] The tire repair fluid unit according to Disclosure 1, wherein an inner diameter R3 of the third flow path is smaller than an inner diameter R1 of the first flow path. [Disclosure 3] The tire repair fluid unit according to Disclosure 2, wherein the ratio of the inner diameters R1 / R3 is in the range of 1.25 to 3.50. [Disclosure 4] the first outlet and the second inlet are separated from the space of the container by an inner cap; A puncture repair fluid unit described in any one of Disclosures 1 to 3, wherein the inner cap moves into the space of the container when the compressed air is supplied to the first inlet, connecting the first outlet and the second inlet to the space. [Disclosure 5] a blocking portion that closes a gap between the first outlet and the first inlet is provided in the first flow path, The puncture repair fluid unit described in Disclosure 4, wherein the blocking portion moves in a first direction when the compressed air is supplied to the first inlet, thereby connecting the first inlet and the first outlet. [Disclosure 6] A puncture repair kit comprising the puncture repair fluid unit according to any one of Disclosures 1 to 5 and the compressor device. [Explanation of symbols]

[0083] 1 puncture repair kit 2 Puncture repair fluid units 3 Compressor equipment 5. Flat tire 11 Container 12 Extraction Cap 14 Puncture repair fluid 31 First Channel 32 Second Flow Path 33 Third Channel

Claims

1. A tire repair fluid unit comprising a container containing tire repair fluid in an internal space and an extraction cap fixed to a mouth portion of the container, the extraction cap includes a first flow path, a second flow path, and a third flow path; the first flow path extends between a first inlet connectable to a compressor device that generates compressed air and a first outlet opening within the container; The second flow path extends between a second inlet opening within the container and a second outlet for extracting the tire repair fluid from the extractor cap and supplying it to a punctured tire to be repaired, the second inlet is in communication with the first outlet through the space of the container; the first outlet and the second inlet are separated from the space of the container by an inner cap; the inner cap is moved into the space of the container by the compressed air being supplied to the first inlet, and the first outlet and the second inlet are connected to the space; the third flow path communicates the first flow path with the second flow path outside the space of the container so that a portion of the compressed air in the first flow path flows to the second flow path; The ratio R1 / R3 of the inner diameter R1 of the first flow path to the inner diameter R3 of the third flow path is 1.25 to 3.

50. Puncture repair fluid unit.

2. A tire repair fluid unit comprising a container containing tire repair fluid in an internal space and an extraction cap fixed to the opening of the container, the extraction cap includes a first flow path, a second flow path, and a third flow path; the first flow path extends between a first inlet connectable to a compressor device that generates compressed air and a first outlet opening within the container; The second flow path extends between a second inlet opening within the container and a second outlet for extracting the tire repair fluid from the extractor cap and supplying it to a punctured tire to be repaired, the second inlet is in communication with the first outlet through the space of the container; the third flow path communicates the first flow path with the second flow path outside the space of the container so that a portion of the compressed air in the first flow path flows to the second flow path; The extraction cap includes a boss portion that protrudes toward the container and is formed in a cylindrical shape, a recessed groove is provided on the outer peripheral surface of the boss portion, the recessed groove being recessed radially inward of the boss portion and continuously formed in the circumferential direction of the boss portion; the first outlet and the second inlet are separated from the space of the container by an inner cap; the inner cap is moved into the space of the container by the compressed air being supplied to the first inlet, and the first outlet and the second inlet are connected to the space; The inner cap has an inner circumferential surface provided with a first protruding ridge portion that protrudes radially inward and is formed continuously in a circumferential direction of the inner cap, The first convex ridge portion is fitted into the concave groove of the boss portion. Puncture repair fluid unit.

3. A tire repair fluid unit comprising a container containing tire repair fluid in an internal space and an extraction cap fixed to a mouth portion of the container, the extraction cap includes a first flow path, a second flow path, and a third flow path; the first flow path extends between a first inlet connectable to a compressor device that generates compressed air and a first outlet opening within the container; The first flow path is provided with a blocking portion and a retaining portion, the blocking portion closes the gap between the first outlet and the first inlet, and moves in a first direction when the compressed air is supplied to the first inlet, thereby connecting the first inlet and the first outlet; the retaining portion prevents the closing portion from moving into the space of the container; The second flow path extends between a second inlet opening within the container and a second outlet for extracting the tire repair fluid from the extractor cap and supplying it to a punctured tire to be repaired, the second inlet is in communication with the first outlet through the space of the container; the first outlet and the second inlet are separated from the space of the container by an inner cap; the inner cap is moved into the space of the container by the compressed air being supplied to the first inlet, and the first outlet and the second inlet are connected to the space; The third flow path communicates the first flow path with the second flow path outside the space of the container so that a portion of the compressed air in the first flow path flows to the second flow path. Puncture repair fluid unit.

4. The extraction cap includes a boss portion that protrudes toward the container and is formed in a cylindrical shape, The tire repair fluid unit according to claim 1 , wherein the first outlet is formed as a hole that opens on an outer peripheral surface of the boss portion.

5. A puncture repair fluid unit as described in claim 4, wherein the ratio R1a / R1 of the inner diameter R1a of the first outlet to the inner diameter R1 of the first flow path is 0.2 to 0.

7.

6. A puncture repair kit comprising the puncture repair fluid unit according to any one of claims 1 to 5 and the compressor device.

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