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Method of providing an air passage in a tire

A technology for tires and raw tires, applied in the field of building tires, can solve problems such as reducing fuel economy, reducing vehicle braking and handling performance, and shortening tire life.

Inactive Publication Date: 2013-06-26
THE GOODYEAR TIRE & RUBBER CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Accordingly, the driver must repeatedly act to maintain tire pressure, or the driver will see reduced fuel economy, shortened tire life, and reduced vehicle braking and handling performance

Method used

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  • Method of providing an air passage in a tire
  • Method of providing an air passage in a tire
  • Method of providing an air passage in a tire

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0110] A method for building a tire is disclosed herein, the method comprising:

[0111] Constructing coated filaments constructed by coating the filaments with a coating material comprising at least one diene-based elastomer and thermally expandable thermoplastic resin particles containing once A liquid or solid that can produce gas when vaporized, decomposed, or chemically reacted under heating;

[0112] enclosing the coated filament into a containment space within an unvulcanized or prevulcanized flexible tire component;

[0113] constructing a green tire from tire components comprising the uncured or precured flexible tire component and the loaded coated filament;

[0114] vulcanizing a green tire comprising the flexible tire component comprising the coated filament;

[0115] The filaments are removed from the vulcanized flexible tire component to leave a substantially unobstructed air path within the flexible tire component.

[0116] In one embodiment, the coated filam...

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Abstract

The present invention relates to a method of providing an air passage in a tire. The present invention is directed to a method of constructing a tire, comprising: constructing a coated filament, the coated filament constructed by coating a filament with a coating material, the coating material comprising at least one diene based elastomer and heat expandable thermoplastic resin particles containing therein a liquid or solid capable of generating a gas upon vaporization, decomposition, or a chemical reaction under heating; encasing the coated filament into containment within an uncured or pre-cured flexible tire component; building a green tire from tire components including the uncured or pre-cured flexible tire component and the encased coated filament; curing the green tire including the flexible tire component containing the coated filament; removing the filament from the cured flexible tire component to leave within the flexible tire component a substantially unobstructed air passageway.

Description

technical field [0001] The present invention generally relates to a method of building tires. Background technique [0002] Normal air diffusion reduces tire pressure over time. The normal state of a tire is inflated. Accordingly, the driver must repeatedly maneuver to maintain tire pressure, or the driver will see reduced fuel economy, shortened tire life, and reduced vehicle braking and handling performance. Tire pressure monitoring systems have been proposed to warn drivers when tire pressure is significantly low. However, such systems always rely on the driver to take remedial action when warned to re-inflate the tires to the recommended pressure. Therefore, it is desirable to incorporate an air maintenance feature within the tire that will re-inflate the tire in order to compensate for any decrease in tire pressure over time without driver intervention. Contents of the invention [0003] The invention relates to a method for building tyres, the method comprising: ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29D30/08
CPCB29D30/0061Y10T428/2967Y10T428/2969B60C23/123B60C23/135
Inventor F.斯波特利G.E.雅各布斯E.贝斯诺因
Owner THE GOODYEAR TIRE & RUBBER CO