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Tyre manufacturing process

A manufacturing method and tire technology, applied in tire parts, tires, tire treads/tread patterns, etc., can solve problems such as time-consuming production, increased tire component manufacturing time, and irrelevance.

Active Publication Date: 2012-05-30
PIRELLI TYRE SPA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0025] This means that the overall manufacturing time of the tire component increases, since the above steps are time-consuming and not production-related

Method used

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no. 1 example

[0135] According to the first embodiment of the present invention, the manufacturing method includes the steps of forming the first portion 6a and the second portion 6b of the tire band 6 without interrupting the extrusion and winding of the continuous elongated member made of the first elastic material, such as Above reference Figure 2 to 4 Any of the methods described are disclosed. Next, the tire manufacturing method includes a step of forming the third portion 6c of the tire band by squeezing and winding another continuous elongated member made of a second elastic material in the gap between the first portion 6a and the second portion 6b .

[0136] Optionally, according to another embodiment of the present invention, the manufacturing method includes the step of forming the third portion 6c of the tire band in advance by extruding and winding another continuous elongated member made of the second elastic material. Next, the tire manufacturing method includes the steps of fo...

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Abstract

The present invention relates to a process for manufacturing a tyre which comprises at least one structural element including at least one first portion made of a first crude elastomeric material, and at least one second portion made of the first crude elastomeric material, the second portion being axially spaced apart from the first portion. The process comprises the step of forming a crude tyreon a supporting device, moulding and curing the crude tyre, wherein the step of forming the crude tyre comprises the step of providing said structural element. The step of providing said structural element includes: a) forming the first portion by winding at least one continuous elongate element made of the first crude elastomeric material by means of a roto- translational movement between the supporting device and an erogating device for supplying the continuous elongate element; b) starting to apply the continuous elongate element in a position axially spaced apart from the first portion while continuing supplying the continuous elongate element so as to form the second portion, and c) forming the second portion by winding the continuous elongate element made of the first crude elastomeric material by means a roto-translational movement between the supporting device and the erogating device.

Description

Technical field [0001] The present invention relates to a method of manufacturing tires. [0002] In particular, the present invention relates to a method of manufacturing a pneumatic tire including at least one member formed of at least two parts made of the same natural elastic material and spaced apart from each other axially. [0003] More particularly, the present invention relates to a method of manufacturing a tire provided with a tire band including at least two parts made of the same natural elastic material and axially spaced apart from each other. [0004] More particularly, the present invention relates to a method of manufacturing an antistatic tire including a tire band having at least two parts axially spaced apart from each other and made of a first natural elastic material and between the at least two parts At least another part between and made of a second natural elastic material different from the first natural elastic material, the first elastic material being el...

Claims

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Application Information

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IPC IPC(8): B29D30/16B29D30/60B29D30/62B60C11/00
CPCB29D30/62B29D30/16B60C11/0058B29D30/3028B29D30/60
Inventor C·拉卡尼纳R·诺托
Owner PIRELLI TYRE SPA
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