发明名称 PREPARATION OF PNEUMATIC TIRE
摘要 PURPOSE:To obtain a tire excellent in appearance and durability by forming the embossed mark of a side wall part using a side wall strip wherein different color rubber is embedded in rubber for a side wall. CONSTITUTION:The side wall part 3 of a pneumatic tire is formed from a side wall strip 11 consisting of black rubber 9 for a side wall and different color rubber 10 having a color other than black. That is, the side wall strip 11 is formed by embedding the different color rubber 10 for forming an embossed mark 7 displaying a character mark, for example, a trade mark, a firm name or a product number in the base part 12 composed of the rubber 9 for the side wall. The embossed mark 7 is formed by vulcanizing a green cover tire in a vulcanizing mold having a recessed part for forming the embossed mark 7 provided to the inner surface thereof to mold a vulcanized tire and buffing the surface of the protruding part formed by the recessed part to expose the different color rubber.
申请公布号 JPH04275136(A) 申请公布日期 1992.09.30
申请号 JP19910077436 申请日期 1991.02.28
申请人 SUMITOMO RUBBER IND LTD 发明人 ENDO YUKIO
分类号 B29D30/72;B29K21/00;B29K105/24;B60C13/04 主分类号 B29D30/72
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