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Tire containing sealing agent

A sealant and tire technology, applied to pneumatic tires, tire parts, tires, etc., can solve the problems of ineffective repair and hard rubber

Inactive Publication Date: 2007-12-26
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, in the existing tire filled with sealant, the rubber of the liner 3 is also relatively hard, and after pulling out things such as nails, the 3 1 Also only slightly shrunk (refer to the arrow)
Thus, the air in the air cavity 8 passes through the puncture 3 of the lining 3 1 and puncture of tire tread 4 1 It flows out sharply, sometimes, the sealant 6 filled in the sealant cavity 7 stabs the tire tread 4 4 1 The fix doesn't work

Method used

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Embodiment Construction

[0009] The implementation of the present invention will be described below according to the embodiments of the present invention illustrated in the accompanying drawings.

[0010] Fig. 1, Fig. 2A, Fig. 2B are the schematic diagrams of an embodiment of the present invention.

[0011] As shown in FIG. 1, a tubeless tire T composed of a tire main body 1, an outer lining 2 and an inner lining 3 vulcanized and bonded therein is mounted on a rim R of a motorcycle wheel. The outer lining 2 is vulcanized and bonded to the inner surface of the tire tread 4 of the tire main body 1, and at the same time, the left and right sides of the inner lining 3 except the central part are vulcanized and bonded to the left and right side walls 5, 5 of the tire main body 1. on the inner side. Between the central portion of the inner lining 3 and the outer lining 2, a sealant cavity 7 with a slightly arc-shaped cross-section filled with the sealant 6 is defined, and an air cavity 8 with a slightly ci...

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Abstract

In a sealant-containing tire, an outer liner is fastened to an inner surface of a tread of a tire body, and a sealant chamber that is filled with sealant is defined between the outer liner and the inner liner, with an air chamber filled with air also being defined within the inner liner. By making the inner liner of flexible rubber of a 300% modulus of 60kgf / cm<2> or less, not only is a puncture in the inner liner caused by a nail made smaller, but the puncture is rapidly made smaller after withdrawal of the nail so that the flowing out of air from the air chamber is delayed. The flexible inner liner can easily be deformed by the air pressure within the air chamber and the sealant within the sealant chamber is therefore rapidly pushed into a puncture of the tread by the air pressure, thereby effectively repairing the puncture.

Description

technical field [0001] The present invention relates to a tire filled with sealant. A wheel-shaped sealant cavity filled with sealant is formed on the inner surface of the tire tread of the tire main body, and the sealant cavity is separated from the air cavity by an interlayer. Background technique [0002] Japanese Patent Laying-Open No. 8-323875 discloses a tire filled with a sealant. At least a part of the inner surface of the tire tread of the tire body forms a sealant cavity divided by a lining, and the sealant that seals the above-mentioned sealant cavity Self-sealing of tire tread punctures caused by nails, etc., thereby delaying air leakage caused by punctures. [0003] Fig. 3 shows that things such as nails penetrate the tire tread 4, the sealant cavity 7 and the liner 3 and reach the air cavity 8, causing the existing tire filled with the sealant to be punctured. Since the rubber of the tire tread 4 is hard, even if things such as nails are pulled out, basically ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C73/22B60C5/02B60C5/14B60C19/12
CPCB29C73/22B29D30/0685B29D2030/0686B29L2030/00B60C5/02B60C5/14Y10T152/10684Y10T152/10666Y10T152/10675B60C5/00
Inventor 山际登志夫
Owner HONDA MOTOR CO LTD
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