发明授权
US07811075B2 Screw for extruder and method of manufacturing the extruder, and rubber member for tire and method of manufacturing the rubber member
有权
挤出机用螺杆及挤出机的制造方法，轮胎用橡胶部件及橡胶部件的制造方法
- 专利标题： Screw for extruder and method of manufacturing the extruder, and rubber member for tire and method of manufacturing the rubber member
- 专利标题（中）： 挤出机用螺杆及挤出机的制造方法，轮胎用橡胶部件及橡胶部件的制造方法
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申请号： US10516516申请日： 2003-06-05
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公开(公告)号： US07811075B2公开(公告)日： 2010-10-12
- 发明人: Gou Shimada
- 申请人： Gou Shimada
- 申请人地址： JP Tokyo
- 专利权人： Kabushiki Kaisha Bridgestone
- 当前专利权人： Kabushiki Kaisha Bridgestone
- 当前专利权人地址： JP Tokyo
- 代理机构： Sughrue Mion, PLLC
- 优先权： JP2002-164095 20020605
- 国际申请： PCT/JP03/07112 WO 20030605
- 国际公布： WO03/103927 WO 20031218
- 主分类号： A01J17/00
- IPC分类号： A01J17/00 ; A21C1/00 ; A21C7/00 ; A23G1/12 ; A23G3/14 ; A23G9/00 ; A23P1/00 ; A47J43/04 ; A47J43/10 ; B28B17/02 ; B29B7/00 ; B29B13/00 ; B29C47/36 ; B65G33/00
摘要：
A screw 12 for an extruder 10 rotatably supported on the cylinder of the extruder and carrying roll-heated rubber material supplied from a hopper port 13s provided at the rear part of the cylinder 11, wherein the height of the portion of the flight portion 12z of the screw 12 located below the hopper port 13s is set lower than the height of the flight portion 12a on the downstream side of the screw 12, whereby the pulsation of extruded matter can be reduced while maintaining a high discharge rate.
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