Puncture repair kit

Patent metadata

Field	Value
Publication number	US-2026070290-A1
Application number	US-202519303412-A
Country	US
Kind code	A1
Filing date	Aug 19, 2025
Priority date	Sep 6, 2024
Publication date	Mar 12, 2026
Grant date	—

Abstract

A puncture repair kit for repairing a puncture on an object includes a container containing a puncture repair fluid, a compressed air source for supplying compressed air, and a mixing device configured to be attached to the container to produce a mixture of the puncture repair fluid and the compressed air. The mixing device includes a mixing chamber for producing the mixture, a first inlet flow path configured to be connected to the compressed air source, a second inlet flow path for supplying the puncture repair fluid from the container to the mixing chamber, and an outlet flow path for discharging the mixture from the mixing chamber. The first inlet flow path includes a first opening for supplying the compressed air to the container, and a second opening for supplying the compressed air to at least one of the mixing chamber and the second inlet flow path.

First claim

1 . A puncture repair kit for repairing a puncture on an object, the puncture repair kit comprising:
a container containing a puncture repair fluid; a compressed air source for supplying compressed air; and a mixing device configured to be attached to the container and to produce a mixture of the puncture repair fluid and the compressed air, wherein the mixing device comprises:
a mixing chamber in which the mixture is produced;
a first inlet flow path connected to the compressed air source;
a second inlet flow path through which the puncture repair fluid is supplied from the container to the mixing chamber; and
an outlet flow path through which the mixture is discharged from the mixing chamber,
wherein the first inlet flow path comprises:
a first opening through which the compressed air is supplied to the container; and
a second opening through which the compressed air is supplied to at least one of the mixing chamber and the second inlet flow path.

2 . The puncture repair kit according to claim 1 , wherein:
the first inlet flow path includes a horizontal portion extending horizontally and a vertical portion extending vertically during puncture repair, and the first opening is at an upper end of the vertical portion.

3 . The puncture repair kit according to claim 2 , wherein the second opening is on a side surface of the vertical portion.

4 . The puncture repair kit according to claim 2 , wherein the mixing chamber is formed around the vertical portion.

5 . The puncture repair kit according to claim 2 , wherein the second inlet flow path extends along the vertical portion.

6 . The puncture repair kit according to claim 2 , wherein:
the outlet flow path includes an outlet opening that opens into the mixing chamber, and the outlet opening and the second opening are on opposite sides across the vertical portion in a plan view.

7 . The puncture repair kit according to claim 2 , wherein:
the second inlet flow path includes a second inlet opening that opens into the mixing chamber, and the second inlet opening and the second opening are on a same side with respect to the vertical portion in a plan view.

8 . The puncture repair kit according to claim 7 , wherein the second inlet opening includes at least one slit-shaped opening.

9 . The puncture repair kit according to claim 2 , wherein the vertical portion has a ball valve configured to prevent the puncture repair fluid from flowing back into the compressed air source.

10 . The puncture repair kit according to claim 1 , wherein an opening area of the second opening is in a range from 5% to 200% of an opening area of the first opening.

11 . The puncture repair kit according to claim 1 , wherein the puncture repair fluid has a viscosity of 100 mPa—s or less at 25° C. and a viscosity of 400 mPa—s or less at −30 °C.

12 . The puncture repair kit according to claim 2 , wherein the mixing chamber is a space surrounded by, in a positional state during puncture repair, a ceiling surface located upward a floor surface located downward, and an inner surface and an outer surface each connecting the ceiling surface and the floor surface.

13 . The puncture repair kit according to claim 12 , wherein the vertical portion forms the inner surface.

14 . The puncture repair kit according to claim 13 , wherein:
the mixing chamber is formed by combining a first member and a second member, the first member forms the floor surface, and the second member is inside the first member and forms the outer surface.

15 . The puncture repair kit according to claim 14 , wherein:
the first member has the first inlet flow path passing therethrough, and the first member is connected to the outlet flow path.

16 . The puncture repair kit according to claim 15 , wherein:
the second member is connected to the first inlet flow path, and the first opening and the second inlet flow path are formed in the second member.

17 . The puncture repair kit according to claim 13 , wherein:
the container has a mouth portion housing the puncture repair fluid inside the container, and the second member has an outer diameter larger than an inner diameter of the mouth portion.

18 . The puncture repair kit according to claim 17 , wherein:
the second member has at least one breaking portion configured to break a film provided on the mouth portion of the container, and the at least one breaking portion is between the first opening and the second inlet flow path in a plan view.

19 . The puncture repair kit according to claim 10 , wherein the opening area of the first opening is in a range from 5 mm 2 to 200 mm 2 .

20 . The puncture repair kit according to claim 10 , wherein the opening area of the second opening is in a range from 1 mm 2 to 200 mm 2 .

Assignees

• Sumitomo Rubber Ind

Inventors

• Maki Takashi
• Nomura Keisuke

Classifications

• B29L2030/00

  Pneumatic or solid tyres or parts thereof {(conveyor belts B29L2031/7092; drive belts B29L2031/7094; fourdrinier belts B29L2031/733)} · CPC title

• B29C73/24

  Apparatus or accessories not otherwise provided for · CPC title

• B01F2215/0495

  Numerical values of viscosity of substances · CPC title

• B01F35/79

  Preventing lumping, or comminuting lumps, during feeding or discharging, e.g. by means of vibrations, or by scrapers · CPC title

• B01F23/2323

  by circulating the flow in guiding constructions or conduits · CPC title