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1. 发明授权

US06379238B1 Finishing and abrasive tool 失效
标题翻译：精加工和研磨工具
公开(公告)号：US06379238B1
公开(公告)日：2002-04-30
申请号：US09851279
申请日：2001-05-08
申请人： Timothy J. J. Beechey , Mark K. Van Voorhis
发明人： Timothy J. J. Beechey , Mark K. Van Voorhis
IPC分类号： B24D1100
CPC分类号： B24D13/085
摘要： A finishing star or spinner abrasive tool is formed of inner and outer packs of square sheets of abrasive cloth or sandpaper with the inner packs angularly offset from the outer packs on the mandrel axis. Each sheet is formed with discontinuous radial slits extending beyond an unslit center section around a center fastener forming the mandrel drive hole. The slits provide surface flexibility while maintaining sheet integrity as it wears to circular form. An optional backing core is provided in the middle of the tool in the form of a cloth-sisal quilt acting as a cushion backing for the sheets, and which may retain coolant or compound during operation. The tool has longer working life with improved flexibility and working characteristics.
摘要翻译：精整星或旋转研磨工具由内层和外包的研磨布或砂纸形成，内层与心轴上的外包件成角度地偏移。每个片材形成有不连续的径向切口，其围绕形成心轴驱动孔的中心紧固件延伸超过未点燃的中心部分。狭缝提供表面柔性，同时保持片材完整性，因为它穿着圆形。可选的背衬芯在刀具的中间以布片式被子的形式提供，作为用于片材的衬垫背衬，并且在操作期间可以保持冷却剂或复合物。该工具具有更长的使用寿命，提高了灵活性和工作特性。

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