Method for manufacturing tire components

A manufacturing method and component technology, applied to tires, other household appliances, household appliances, etc., can solve the problems of high fluidity and insufficient gas release, and achieve the effect of stable performance

Inactive Publication Date: 2016-06-01
SUMITOMO RUBBER IND LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, the current puncturing device is particularly affected by the ambient temperature, and there is a problem that the rubber fluidity is high when the rubber surface temperature of the tire component is high (30 degrees or more), so the through hole temporarily provided by the puncturing device It is blocked again, so that the gas that enters between the tire components cannot be fully released

Method used

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  • Method for manufacturing tire components
  • Method for manufacturing tire components
  • Method for manufacturing tire components

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Embodiment

[0033] Next, the present invention will be described in more detail based on examples. Hereinafter, for two sheet-like tire components with different sizes and thicknesses, the change in penetration rate based on the presence or absence of the cooling process is measured.

[0034] In the summer environment temperature (30℃) and winter environment temperature (10℃), two sizes and thicknesses (0.8mm and 1.1mm) of sheet tire components (both widths are about 1445mm) are produced. For each sheet tire component, The puncture was performed under a temperature condition of 90°C so that the penetration rate per 300 mm length became 60 to 85%.

[0035] A part of each sheet-like tire component was cooled by a roller arranged at a position 100 mm from the puncture device. Among them, the roller circulates water as a cooling medium inside, and the surface temperature is set at 10°C in summer and 25°C in winter so that the surface temperature is between the puncture temperature and the ambient...

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Abstract

The invention provides a manufacturing method of tyre parts, which can prevent through holes temporarily punctured by a puncturing device from being blocked again, discharge air completely, and manufacture tyres with stable performance. The manufacturing method of tyre parts comprises a puncturing procedure for temporarily puncturing through holes on a sheet tyre part by a puncturing device, and a cooling procedure for cooling the punctured tyre part by a cooling device disposed right behind the puncturing device. According to the manufacturing method of tyre parts, the cooling device is a roller internally filled with circulating cooling media. The manufacturing method of tyre parts controls the through rate of the tyre part to be a specified value by controlling the temperature of the cooling media. The manufacturing method of tyre parts comprises a conveying procedure for conveying the tyre part by using a belt conveyor at the downstream side of the cooling procedure, wherein the belt conveyor is made of a material with higher thermal conductivity than that of the tyre part.

Description

Technical field [0001] The present invention relates to a method of manufacturing a tire component capable of suppressing residual gas during vulcanization. Background technique [0002] In the tire manufacturing process, various tire components (members) formed into sheets such as inner liners, carcass cords, belt plies, etc., are pasted. However, during pasting, gas may enter between the tire components. Produce gas residue. [0003] If this gas remains after vulcanization, it will cause deterioration of the quality of the finished tire such as uniformity. Therefore, the gas that has entered between the tire components is released to the outside during vulcanization. Specifically, in the manufacture of such sheet-like tire components (also referred to as "preparation"), use figure 2 The puncture device shown uses a spring or an air cylinder to move the puncture needle up and down to provide a through hole of a specific size (for example, Patent Document 1). As a result, the gas...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29D30/06
Inventor 冈田知之
Owner SUMITOMO RUBBER IND LTD
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