公开(公告)号：US06203416B1

公开(公告)日：2001-03-20

申请号：US09390629

申请日：1999-09-07

申请人： Toru Mizuno ,  Ikuo Hattori ,  Akihiko Sugama ,  Toshikatsu Matsuya ,  Yoshiaki Ise

发明人： Toru Mizuno ,  Ikuo Hattori ,  Akihiko Sugama ,  Toshikatsu Matsuya ,  Yoshiaki Ise

IPC分类号： B23F2103

CPC分类号： B28D1/041 ,  B28D1/121 ,  Y10T408/81

摘要： Provided are an outer-diameter blade, an inner-diameter blade and cutting machines using both blades for cutting hard material, and a core drill and a core-drill processing machine for forming a hole into hard material, whereby the mechanical processing with reduction in the cutting and/or contact resistance to the tools is realized, so that in the case of the outer-diamond blade, it is prevented from occurring that a to-be-cut object is warped and put into contact to the blade to cause chipping; in the case of the inner-diameter blade, it is prevented from occurring that the blade is bowed and/or a cutting surface is curved; and in the case of the core drill, not only are grinding powder of a workpiece and loosed-off abrasive grains effectively removed to prevent those from being loaded between the drill and the workpiece, but neither of cracking and chipping occur when the drill passes through the workpiece. An outer-diameter blade comprises: a metal base plate having a disk-like shape; a diamond abrasive grain tip portion provided along an outer peripheral part of the metal base plate and diamond abrasive grain layers formed on side surfaces of the metal base plate, wherein an outer end face of the tip portion is shaped as an angled protrusion. An inner-diameter blade comprises: a hollow base plate having a disk-like shape; a diamond abrasive grain tip portion provided along an inner peripheral part of the hollow base plate; and an abrasive grain layer formed on side surfaces of the hollow base plate, wherein an outer end face of the tip portion is shaped as an angled protrusion. A core drill comprises: a shank; a base metal section having a cup-like shape constructed of a disk-like top wall and a cylindrical side wall provided on a fore-end of the shank; a grinding stone portion mounted on an outer end part of the base metal section; and abrasive grain layers formed on inner/outer side surfaces of the cylindrical side wall of the base metal section.

公开(公告)号：US06595845B1

公开(公告)日：2003-07-22

申请号：US09708049

申请日：2000-11-08

申请人： Toru Mizuno ,  Ikuo Hattori ,  Akihiko Sugama ,  Toshikatsu Matsuya ,  Yoshiaki Ise

发明人： Toru Mizuno ,  Ikuo Hattori ,  Akihiko Sugama ,  Toshikatsu Matsuya ,  Yoshiaki Ise

IPC分类号： B23F2103

CPC分类号： B28D1/041 ,  B28D1/121 ,  Y10T408/81

摘要： The present invention relates to an outer-diameter blade, an inner-diameter blade and cutting machines which respectively use the outer-diameter blade and the inner-diameter blade for cutting hard material, such as metal, ceramics, semiconductor single crystal, glass, quartz crystal, stone, asphalt or concrete, and a core drill and a core-drill processing machine which drives the core drill for forming a hole in the hard material.

摘要翻译： 本发明涉及分别使用外径刀片和内径刀片切割金属，陶瓷，半导体单晶，玻璃等硬质材料的外径刀片，内径刀片和切割机， 石英，石料，沥青或混凝土，以及用于在硬质材料上形成孔的芯钻和芯钻加工机。

公开(公告)号：US06595844B1

公开(公告)日：2003-07-22

申请号：US09708050

申请日：2000-11-08

申请人： Toru Mizuno ,  Ikuo Hattori ,  Akihiko Sugama ,  Toshikatsu Matsuya ,  Yoshiaki Ise

发明人： Toru Mizuno ,  Ikuo Hattori ,  Akihiko Sugama ,  Toshikatsu Matsuya ,  Yoshiaki Ise

IPC分类号： B24B3300

CPC分类号： B28D1/041 ,  B28D1/121 ,  Y10T408/81

摘要： A core drill having a shank and a cup shaped base metal section constructed of a disk shaped top wall and a cylindrical side wall provided on a fore-end of the shank. A grinding stone portion is mounted on an outer end part of the base metal section, with abrasive grains fixed to the outer end part of the base metal section. Abrasive grain layers are formed in a spiral pattern on inner and outer side surfaces of the cylindrical side wall of the base metal section, with abrasive grains fixed to the inner and outer side surfaces of the cylindrical side wall thereof. When the grinding stone portion is put into rotational contact with a workpiece, the workpiece is ground through to form a circle hole in section leaving a cylindrical core therein.

摘要翻译： 一种芯钻具，其具有由盘形顶壁和设置在柄前端上的圆柱形侧壁构成的柄和杯形贱金属部分。 研磨石部分安装在贱金属部分的外端部上，磨粒固定在贱金属部分的外端部分上。 研磨粒子层以螺旋状形成在基部金属部的圆筒状侧壁的内侧面和外侧面上，磨粒形成在其圆筒形侧壁的内侧面和外侧面上。 当研磨石部分与工件旋转接触时，工件被磨成通孔，从而在其中形成圆孔，留下圆柱形芯。