Run-flat tire with improved high-speed performance and tread processing equipment therefor

By improving the high-speed performance of run-flat tire processing equipment, the problem of poor adhesion between the outer layer and the tire during tire production was solved by using an arc-shaped expansion plate and guide roller limiting system, thus achieving high-quality tire forming and improved stability.

CN119910937BActive Publication Date: 2025-11-28ZHAOQING JUNHONG CO LTD
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Patent Information

Application Number
CN202510161169.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-02-13
Publication Date
2025-11-28
Estimated Expiration
2045-02-13

AI Technical Summary

Technical Problem

During tire production, the outer layer is difficult to bond tightly with the tire, resulting in gaps, wrinkles, and uneven support, which affects the tire's wear resistance, stability, and safety.

Method used

Design a run-flat tire processing device to improve high-speed performance. The device uses a limiting system consisting of an arc-shaped expansion plate and guide rollers. Through synchronous expansion and the cooperation of the guide rollers, it ensures uniform support and precise fit of the tire's inner circle, eliminating the gap problem of the arc plate in traditional devices.

Benefits of technology

It achieves a tight and precise fit between the tire and the outer layer, improving the tire's molding quality and overall performance, preventing deformation and vibration, and ensuring surface flatness and integrity.

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Abstract

The application relates to the technical field of tread processing, in particular to a run-flat tire with improved high-speed performance and a tread processing equipment thereof, which specifically comprises a base and a top frame, the base is fixedly installed at the bottom of the top frame, the top of the base is provided with two sliding seats, the top of each sliding seat is fixedly installed with a sliding rail through a cushion block, the inside of the sliding rail is slidably connected with a sliding bottom plate, the top of the sliding bottom plate is fixedly installed with two arc-shaped rails, the top of one side of the sliding seat is fixedly installed with a support, and the top of the cushion block is fixedly installed with an axle seat; the application divides an arc-shaped expansion plate into two parts to synchronously expand and eliminate the gap, and sets an arc-shaped frame with a guide roller, so that the problems of deformation and non-tight fitting when the outer cover layer is fitted with the tire are solved, the fitting precision and the tire quality are improved.
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