发明授权
US08801884B2 Method of forming tire innerliner and method of producing pneumatic tire
有权
形成轮胎内衬的方法和制造充气轮胎的方法
- 专利标题： Method of forming tire innerliner and method of producing pneumatic tire
- 专利标题（中）： 形成轮胎内衬的方法和制造充气轮胎的方法
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申请号： US12439770申请日： 2007-09-04
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公开(公告)号： US08801884B2公开(公告)日： 2014-08-12
- 发明人: Yoshiaki Hashimura , Takahiko Sawada , Norifumi Kameda
- 申请人： Yoshiaki Hashimura , Takahiko Sawada , Norifumi Kameda
- 申请人地址： JP Tokyo
- 专利权人： The Yokohama Rubber Co., Ltd.
- 当前专利权人： The Yokohama Rubber Co., Ltd.
- 当前专利权人地址： JP Tokyo
- 代理机构： Greer Burns & Crain, Ltd.
- 优先权： JP2006-238895 20060904
- 国际申请： PCT/JP2007/067162 WO 20070904
- 国际公布： WO2008/029779 WO 20080313
- 主分类号： B29D30/24
- IPC分类号： B29D30/24 ; B29D30/30 ; B29C53/58 ; B60C5/14 ; B29D30/06
摘要：
A method of forming a tire innerliner having a cylindrical inner rubber layer and a cylindrical film formed of a thermoplastic resin or a thermoplastic elastomer composition having a thermoplastic resin and an elastomer blended therewith. The cylindrical film is disposed radially outwardly of the cylindrical inner rubber layer. The method includes the following steps: wrapping an unvulcanized rubber layer cylindrically around a building drum to form the cylindrical inner rubber layer; and subsequently wrapping a sheet-shaped film formed of a thermoplastic resin or a thermoplastic elastomer composition having a thermoplastic resin and an elastomer blended therewith cylindrically around the cylindrical inner rubber layer, which is already wrapped around the building drum, to form the cylindrical film. The unvulcanized rubber layer constituting the cylindrical inner rubber layer is a strip-shaped rubber layer, and the cylindrical inner rubber layer is formed by spirally winding the strip-shaped rubber layer.
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