发明名称 METHOD OF MAKING ABRASIVE ARTICLE
摘要 A method of making an abrasive article comprising an abrasive disc (1) of non-woven fibres having a central shaft (3) and a hub (2) securing the shaft (3) to the abrasive disc (1). The method comprising forming the hub (3) by injecting molten thermoplastic material into the abrasive disc (1) , and allowing the thermoplastic material to cool and solidify such that the shaft (3) is secured to the abrasive disc (1) The invention provides a simple, economical and effective method of securing a shaft to a disc.
申请公布号 WO2006023178(A1) 申请公布日期 2006.03.02
申请号 WO2005US25441 申请日期 2005.07.18
申请人 3M INNOVATIVE PROPERTIES COMPANY;LISE, JONATHAN, M.;LE NORMAND, JEAN;LOHMEIER, GERHARD 发明人 LISE, JONATHAN, M.;LE NORMAND, JEAN;LOHMEIER, GERHARD
分类号 B24D13/20;B24D18/00;B29C45/14 主分类号 B24D13/20
代理机构 代理人
主权项
地址