A kind of back-shaped belt cavity structure air-free tire and manufacturing method thereof
A non-pneumatic tire, back-shaped technology, used in non-pneumatic tires, tire parts, tires, etc., can solve the problems of uneven vulcanization, long vulcanization time, low production efficiency, etc., to improve vulcanization uniformity and shorten vulcanization time. , The effect of saving tire material
Active Publication Date: 2017-04-26
王义铭
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Problems solved by technology
[0004] The purpose of the present invention is to solve the problems in the above-mentioned prior art, that is, the carcass of common air-free tires is solid and has a relatively high quality. Since the rubber layer of the carcass is relatively thick, the vulcanization time is long during vulcanization molding, which consumes energy. The production efficiency is low, and it is easy to have uneven vulcanization, which greatly reduces the life of the tire
Method used
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[0055] The present invention will be described in further detail below in conjunction with the accompanying drawings: the present embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation is provided, but the protection scope of the present invention is not limited to the following embodiments.
[0056] Such as figure 2 As shown, the manufacturing method of a non-pneumatic tire with a back-shaped cavity structure involved in this embodiment includes: the cylindrical rubber core 2 during extrusion, the hollow cavities 3, 4, 5, and the cylindrical rubber core after cutting. Rubber core 6, bridge tube 7, valve hole 8, valve tube 9, bottom rubber 10, bead 11, tire crown 12, sidewall 13, valve core 14, valve 15.
[0057] In this embodiment, the cylindrical rubber core is placed inside the non-inflatable tire, the hollow tube (hollow cavity) is embedded in the cylindrical rubber core, and the hollow tubes (hollow cavity...
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Abstract
The invention relates to an inflation-free bicycle tyre adopting a hollow square band cavity structure and a manufacturing method of the inflation-free bicycle tyre. Columnar rubber cores are placed in the inflation-free bicycle tyre, hollow pipes or hollow cavities are embedded in the columnar rubber cores, the hollow pipes are connected and communicate through bridge pipes, then the hollow pipes communicate with the outside through vent pipes, and heating steam or liquid is guided for vulcanization. The material of the tyre is saved, the weight of the tyre is reduced, the vulcanization time is greatly shortened, the vulcanization uniformity is improved, and the technical problems that the tyre is heavy, the vulcanization time is long, and the vulcanization is not uniform are solved; therefore, the service life of the tyre is greatly prolonged.
Description
technical field [0001] The invention relates to a method for manufacturing an air-free tire with a back-shaped cavity structure, and belongs to the technical field of air-free tires. Background technique [0002] Pneumatic-free tires are generally divided into two types: bonded and non-bonded. The former refers to tires with rubber directly vulcanized on the rim, and the latter refers to tires that are fixed on the rim after vulcanization. The main raw material is a layered combination of one or several rubber materials. The tires produced in this way have small load-deformation, good running stability, puncture resistance, tear resistance and no need to inflate. They are generally used for anti-riot vehicles and anti-terrorist vehicles. , engineering vehicles and forestry, agricultural vehicles. Ordinary non-inflatable tires have a solid carcass, which is generally made of one kind of rubber material. Because the carcass rubber layer is thicker and the mass is larger, the ...
Claims
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IPC IPC(8): B60C7/00B29D30/20
CPCB29D30/20B60C7/00
Inventor 王义铭
Owner 王义铭