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tire building drum

A tire building drum and rolling drum technology, applied in the field of tire building drums, can solve the problems of poor uniformity of finished tires, and achieve the effect of reducing voids and improving uniformity

Active Publication Date: 2017-04-12
ダイナミック デザイン カンパニーリミテッド
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, the uniformity of the finished tire deteriorates

Method used

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Embodiment Construction

[0028] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings to help those skilled in the art fully understand the present invention, and the present invention is not limited to the embodiments described hereinafter. In describing the embodiments of the present invention, well-known functions and configurations that are considered to obscure the gist of the present invention will be omitted. For the drawings, like reference numerals designate like or corresponding parts throughout the drawings.

[0029] figure 1 is a front sectional view showing the fingers of a tire building drum according to an embodiment of the invention, wherein the tire building drum is folded, and figure 2 is shown figure 1 Front cross-sectional view of fingers of a tire building drum shown with the tire building drum unfolded.

[0030] refer to figure 1 and figure 2 , The tire building drum 1 according to this embodimen...

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PUM

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Abstract

Disclosed is a building drum of a tire. According to the building drum of the tire provided by the invention, when a primary green case is molded by winding and compressing a semi-finished product to be laminated, a pivoting cover plate covers an upper side of a finger part, thereby forming a smoother winding surface, and improving uniformity of a finished tire.

Description

technical field [0001] The present invention relates to a tire building drum, and more particularly to a tire building drum in which a pivoting cover plate covers the upper side of the fingers on which semi-finished products are wound, if necessary, on the building drum on the outer circumference to form a smoother winding surface. Background technique [0002] As is known in the art, finished tires are produced by performing the following processes: refining by mixing raw materials of tires to prepare a mixture; extruding, rolling and cutting the mixture to prepare semi-finished products in the form of sheets; forming into a raw casing; and vulcanizing the raw casing to complete manufacture of the tire. [0003] In the above-mentioned molding process, generally, the manufacture of the semi-finished case is completed by assembling a primary green case and a secondary green case, which are passed through the primary molding process. process, and the secondary raw shell is p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29D30/24
CPCB29D30/08
Inventor 金在植郑金星
Owner ダイナミック デザイン カンパニーリミテッド