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公开(公告)号：US20060021800A1
公开(公告)日：2006-02-02
申请号：US10902222
申请日：2004-07-29
申请人： Christopher Beuershausen , Raul Lema , Ronald Hales , Don Nguyen , Gregory Ricks , Chih Lin , Terry Koltermann , Mark Morris , Chris McCarty , Ronald Jones , James Overstreet , Rudolf Otto Pessier
发明人： Christopher Beuershausen , Raul Lema , Ronald Hales , Don Nguyen , Gregory Ricks , Chih Lin , Terry Koltermann , Mark Morris , Chris McCarty , Ronald Jones , James Overstreet , Rudolf Otto Pessier
CPC分类号： E21B10/08
摘要： An earth-boring bit has a bit body that includes head sections, each having depending bit legs with a circumferentially extending outer surface, a leading side, and a trailing side. A bearing shaft depends inwardly from each of the bit legs for mounting a cutter. The bit includes a beveled surface formed at a junction of the leading side and the outer surface of each bit leg. The beveled surface is angled relative to a radial plane emenating from the axis of the bit. The angle of the beveled surface is at least 20 degrees, and extends to an inner surface of the bit leg. The bit can also have a layer of hardfacing on the leading, trailing and shirttail surfaces of the bit leg. A diversion finger of hardfacing extends circumferentially to direct cuttings.
摘要翻译： 钻头具有包括头部部分的头部部件，每个头部部分具有具有周向延伸的外表面，前导侧和后侧的依附的位腿。 轴承轴从每个钻头腿向内取向，用于安装切割器。 该钻头包括形成在每个钻头腿的前侧和外表面的接合处的斜面。 倾斜表面相对于从钻头的轴线发出的径向平面成角度。 斜面的角度至少为20度，并且延伸到钻头的内表面。 该位还可以在位腿的前导，尾部和衬衫表面上具有一层硬面。 硬面的转向手指周向延伸以直接切割。
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公开(公告)号：US20060283638A1
公开(公告)日：2006-12-21
申请号：US11511119
申请日：2006-08-28
申请人： Christopher Beuershausen , Raul Lema , Ronald Hales , Don Nguyen , Gregory Ricks , Chih Lin , Terry Koltermann , Mark Morris , Chris McCarty , Ronald Jones , James Overstreet , Rudolf Pessier
发明人： Christopher Beuershausen , Raul Lema , Ronald Hales , Don Nguyen , Gregory Ricks , Chih Lin , Terry Koltermann , Mark Morris , Chris McCarty , Ronald Jones , James Overstreet , Rudolf Pessier
IPC分类号： E21B10/08
CPC分类号： E21B10/08
摘要： An earth-boring bit has a bit body that includes head sections, each having depending bit legs with a circumferentially extending outer surface, a leading side, and a trailing side. A bearing shaft depends inwardly from each of the bit legs for mounting a cutter. The bit includes a beveled surface formed at a junction of the leading side and the outer surface of each bit leg. The beveled surface is angled relative to a radial plane emenating from the axis of the bit. The angle of the beveled surface is at least 20 degrees, and extends to an inner surface of the bit leg. The bit can also have a layer of hardfacing on the leading, trailing and shirttail surfaces of the bit leg. A diversion finger of hardfacing extends circumferentially to direct cuttings.
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公开(公告)号：US07350600B2
公开(公告)日：2008-04-01
申请号：US11511119
申请日：2006-08-28
申请人： Christopher C. Beuershausen , Raul E. Lema , Ronald Hales , Don Q. Nguyen , Gregory L. Ricks , Chih C. Lin , Terry J. Koltermann , Mark E. Morris , Chris M. McCarty , Ronald L. Jones , James L. Overstreet , Rudolf Carl Otto Pessier
发明人： Christopher C. Beuershausen , Raul E. Lema , Ronald Hales , Don Q. Nguyen , Gregory L. Ricks , Chih C. Lin , Terry J. Koltermann , Mark E. Morris , Chris M. McCarty , Ronald L. Jones , James L. Overstreet , Rudolf Carl Otto Pessier
IPC分类号： E21B10/50
CPC分类号： E21B10/08
摘要： An earth-boring bit has a bit body that includes head sections, each having depending bit legs with a circumferentially extending outer surface, a leading side, and a trailing side. A bearing shaft depends inwardly from each of the bit legs for mounting a cutter. The bit includes a beveled surface formed at a junction of the leading side and the outer surface of each bit leg. The beveled surface is angled relative to a radial plane emenating from the axis of the bit. The angle of the beveled surface is at least 20 degrees, and extends to an inner surface of the bit leg. The bit can also have a layer of hardfacing on the leading, trailing and shirttail surfaces of the bit leg. A diversion finger of hardfacing extends circumferentially to direct cuttings.
摘要翻译： 钻头具有包括头部部分的头部部件，每个头部部分具有具有周向延伸的外表面，前导侧和后侧的依附的位腿。 轴承轴从每个钻头腿向内取向，用于安装切割器。 该钻头包括形成在每个钻头腿的前侧和外表面的接合处的斜面。 倾斜表面相对于从钻头的轴线发出的径向平面成角度。 斜面的角度至少为20度，并且延伸到钻头的内表面。 该位还可以在位腿的前导，尾部和衬衫表面上具有一层硬面。 硬面的转向手指周向延伸以直接切割。
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公开(公告)号：US07182162B2
公开(公告)日：2007-02-27
申请号：US10902222
申请日：2004-07-29
申请人： Christopher C. Beuershausen , Raul E. Lema , Ronald Hales , Don Q. Nguyen , Gregory L. Ricks , Chih C. Lin , Terry J. Koltermann , Mark E. Morris , Chris M. McCarty , Ronald L. Jones , James L. Overstreet , Rudolf Carl Otto Pessier
发明人： Christopher C. Beuershausen , Raul E. Lema , Ronald Hales , Don Q. Nguyen , Gregory L. Ricks , Chih C. Lin , Terry J. Koltermann , Mark E. Morris , Chris M. McCarty , Ronald L. Jones , James L. Overstreet , Rudolf Carl Otto Pessier
IPC分类号： E21B10/50
CPC分类号： E21B10/08
摘要： An earth-boring bit has a bit body that includes head sections, each having depending bit legs with a circumferentially extending outer surface, a leading side, and a trailing side. A bearing shaft depends inwardly from each of the bit legs for mounting a cutter. The bit includes a beveled surface formed at a junction of the leading side and the outer surface of each bit leg. The beveled surface is angled relative to a radial plane emenating from the axis of the bit. The angle of the beveled surface is at least 20 degrees, and extends to an inner surface of the bit leg. The bit can also have a layer of hardfacing on the leading, trailing and shirttail surfaces of the bit leg. A diversion finger of hardfacing extends circumferentially to direct cuttings.
摘要翻译： 钻头具有包括头部部分的头部部件，每个头部部分具有具有周向延伸的外表面，前导侧和后侧的依附的位腿。 轴承轴从每个钻头腿向内取向，用于安装切割器。 该钻头包括形成在每个钻头腿的前侧和外表面的接合处的斜面。 倾斜表面相对于从钻头的轴线发出的径向平面成角度。 斜面的角度至少为20度，并且延伸到钻头的内表面。 该位还可以在位腿的前导，尾部和衬衫表面上具有一层硬面。 硬面的转向手指周向延伸以直接切割。
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