发明授权
US07402031B2 Piece for tire mold, method of producing the piece, piece-type tire mold and method of producing the piece-type tire mold
失效
轮胎用模具，该片的制造方法，片式轮胎模具以及该片式轮胎模具的制造方法
- 专利标题： Piece for tire mold, method of producing the piece, piece-type tire mold and method of producing the piece-type tire mold
- 专利标题（中）： 轮胎用模具，该片的制造方法，片式轮胎模具以及该片式轮胎模具的制造方法
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申请号： US10513468申请日： 2003-05-23
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公开(公告)号： US07402031B2公开(公告)日： 2008-07-22
- 发明人: Kiyoshi Hyakutake , Hisatoshi Yamamoto , Hiroshi Yoshida
- 申请人： Kiyoshi Hyakutake , Hisatoshi Yamamoto , Hiroshi Yoshida
- 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： JP2002-149279 20020523; JP2002-199987 20020709
- 国际申请： PCT/JP03/06461 WO 20030523
- 国际公布： WO03/099535 WO 20031204
- 主分类号： B29C33/10
- IPC分类号： B29C33/10
摘要：
To form a fine slit having a width of 0.1 mm or less in each piece of a piece type tire mold, a plate-like shim member 44 having a width of 0.1 mm or less is inserted into a rubber mold 40A when a piece 40 is to be produced, a molten metal such as aluminum is injected into a plaster mold 40B to which the shim member 44 has been transferred and solidified to cast the piece 40, and the shim member 44 is removed from the piece 40 to which the shim member 44 has been transferred to form a slit having a width of 0.1 mm or less in the piece 40.
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