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    • 26. 发明授权
    • Process for manufacturing pneumatic tire
    • 充气轮胎制造工艺
    • US08647455B2
    • 2014-02-11
    • US12293495
    • 2007-04-02
    • Hiroshi Hata
    • Hiroshi Hata
    • B29D30/30B60C5/14
    • B29D30/3007B29D30/0681B29D2030/0682B60C5/14
    • Provided is a process of manufacturing a pneumatic tire, which prevents blisters from being raised on a cylindrical thermoplastic resin film due to an air pocket even in a case where the cylindrical thermoplastic resin film is used as an air permeation preventive layer. Provided is the manufacturing process suitable for a heavy-duty pneumatic tire in particular. The process of manufacturing a pneumatic tire includes: covering the making drum 20 with a cylindrical thermoplastic resin film 6; winding an uncured rubber sheet member 7 as a tie rubber around the thermoplastic resin film 6; and winding a carcass layer 5 around the rubber sheet member 7. The process is characterized in that the rubber sheet member 7 is wound in the circumferential direction of the tire at least twice.
    • 提供一种制造充气轮胎的方法,即使在使用圆筒形热塑性树脂膜作为防透气层的情况下,也能够防止气泡在圆筒状的热塑性树脂膜上引起气泡的隆起。 特别是适用于重型充气轮胎的制造方法。 制造充气轮胎的过程包括:用圆筒状热塑性树脂膜6覆盖制造滚筒20; 在热塑性树脂膜6周围缠绕未固化的橡胶片构件7作为连接橡胶; 并且将胎体层5卷绕在橡胶片构件7上。该方法的特征在于,橡胶片构件7沿轮胎的圆周方向缠绕至少两次。