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公开(公告)号:US07497212B2
公开(公告)日:2009-03-03
申请号:US11293007
申请日:2005-12-02
申请人: Jong Suk Choi , Tae Min Um , In Woo Kim
发明人: Jong Suk Choi , Tae Min Um , In Woo Kim
IPC分类号: B24D5/06
CPC分类号: B28D1/121 , Y10T407/19
摘要: The present invention relates to a cutting tool for cutting or drilling a brittle work piece such as stone, bricks, concrete and asphalt, and a method for manufacturing thereof. The present invention provides a cutting tool including a shank rotatably connected to a driving device and segments welded at predetermined intervals on an outer periphery of the shank. Each of the segments has abrasives attached thereto by brazing and the each segment is welded after the abrasives are brazed thereto. Also, a method for manufacturing thereof is provided. The present invention ensures improvement in cutting capacity and useful life of the cutting tool.
摘要翻译: 本发明涉及一种用于切割或钻孔诸如石头,砖,混凝土和沥青的脆性工件的切削工具及其制造方法。 本发明提供了一种切削工具,其包括可旋转地连接到驱动装置的柄和在柄的外周上以预定间隔焊接的段。 每个段具有通过钎焊附着在其上的磨料,并且在磨料被钎焊到其上之后焊接每个段。 另外,还提供了一种制造方法。 本发明确保了切割工具的切割能力和使用寿命的改善。
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公开(公告)号:USD526553S1
公开(公告)日:2006-08-15
申请号:US29219366
申请日:2004-12-16
申请人: Tae Min Um
设计人: Tae Min Um
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