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1. 发明授权

US07954569B2 Earth-boring bits 有权
标题翻译：无聊的钻头
公开(公告)号：US07954569B2
公开(公告)日：2011-06-07
申请号：US11116752
申请日：2005-04-28
申请人： Prakash K. Mirchandani , Jimmy W. Eason , James J. Oakes , James C. Westhoff , Gabriel B. Collins , John H. Stevens , Steven G. Caldwell , Alfred J. Mosco
发明人： Prakash K. Mirchandani , Jimmy W. Eason , James J. Oakes , James C. Westhoff , Gabriel B. Collins , John H. Stevens , Steven G. Caldwell , Alfred J. Mosco
IPC分类号： E21B10/02
CPC分类号： E21B10/46 , B22F2005/001 , B22F2998/00 , C22C1/1068 , C22C29/00 , C22C29/005 , C22C29/067 , B22F7/06
摘要： The present invention relates to compositions and methods for forming a bit body for an earth-boring bit. The bit body may comprise hard particles, wherein the hard particles comprise at least one of carbide, nitride, boride, and oxide and solid solutions thereof, and a binder binding together the hard particles. The binder may comprise at least one metal selected from cobalt, nickel, and iron, and, optionally, at least one melting point reducing constituent selected from a transition metal carbide in the range of 30 to 60 weight percent, boron up to 10 weight percent, silicon up to 20 weight percent, chromium up to 20 weight percent, and manganese up to 25 weight percent, wherein the weight percentages are based on the total weight of the binder. In addition, the hard particles may comprise at least one of (i) cast carbide (WC+W2C) particles, (ii) transition metal carbide particles selected from the carbides of titanium, chromium, vanadium, zirconium, hafnium, tantalum, molybdenum, niobium, and tungsten, and (iii) sintered cemented carbide particles.
摘要翻译：本发明涉及用于形成钻头的钻头体的组合物和方法。钻头体可以包括硬颗粒，其中硬颗粒包括碳化物，氮化物，硼化物及其氧化物和固体溶液中的至少一种以及将硬颗粒结合在一起的粘合剂。粘合剂可以包含选自钴，镍和铁中的至少一种金属，以及任选地至少一种选自30-60重量％范围内的过渡金属碳化物的熔点降低成分，至多10重量％的硼，高达20重量％的硅，至多20重量％的铬，以及至多25重量％的锰，其中重量百分数是基于粘合剂的总重量。此外，硬质颗粒可以包括（i）碳化钨（WC + W2C）颗粒，（ii）过渡金属碳化物颗粒中的至少一种，其选自钛，铬，钒，锆，铪，钽，钼，铌和钨，和（iii）烧结的硬质合金颗粒。

2. 发明申请

US20080302576A1 EARTH-BORING BITS 有权
标题翻译：地球。
公开(公告)号：US20080302576A1
公开(公告)日：2008-12-11
申请号：US12192292
申请日：2008-08-15
申请人： Prakash K. Mirchandani , Jimmy W. Eason , James J. Oakes , James C. Westhoff , Gabriel B. Collins
发明人： Prakash K. Mirchandani , Jimmy W. Eason , James J. Oakes , James C. Westhoff , Gabriel B. Collins
IPC分类号： E21B10/00
CPC分类号： E21B10/46 , B22F2005/001 , B22F2998/00 , C22C1/1068 , C22C29/00 , C22C29/005 , C22C29/067 , B22F7/06
摘要： The present invention relates to compositions and methods for forming a bit body for an earth-boring bit. The bit body may comprise hard particles, wherein the hard particles comprise at least one carbide, nitride, boride, and oxide and solid solutions thereof, and a binder binding together the hard particles. The binder may comprise at least one metal selected from cobalt, nickel, and iron, and at least one melting point-reducing constituent selected from a transition metal carbide in the range of 30 to 60 weight percent, boron up to 10 weight percent, silicon up to 20 weight percent, chromium up to 20 weight percent, and manganese up to 25 weight percent, wherein the weight percentages are based on the total weight of the binder. In addition, the hard particles may comprise at least one of (i) cast carbide (WC+W2C) particles, (ii) transition metal carbide particles selected from the carbides of titanium, chromium, vanadium, zirconium, hafnium, tantalum, molybdenum, niobium, and tungsten, and (iii) sintered cemented carbide particles.
摘要翻译：本发明涉及用于形成钻头的钻头体的组合物和方法。钻头体可以包括硬质颗粒，其中硬颗粒包含至少一种碳化物，氮化物，硼化物及其氧化物和固体溶液，以及将硬颗粒结合在一起的粘合剂。粘合剂可以包含选自钴，镍和铁中的至少一种金属，以及至少一种选自30-60重量％范围的过渡金属碳化物，至多10重量％的熔点降低成分，硅，至多20重量％，最高达20重量％的铬，和至多25重量％的锰，其中重量百分数是基于粘合剂的总重量。此外，硬颗粒可以包括（i）碳化钨（WC + W2C）颗粒，（ii）过渡金属碳化物颗粒中的至少一种，其选自钛，铬，钒，锆，铪，钽，钼，铌和钨，和（iii）烧结的硬质合金颗粒。

3. 发明授权

US08007714B2 Earth-boring bits 有权
标题翻译：无聊的钻头
公开(公告)号：US08007714B2
公开(公告)日：2011-08-30
申请号：US12033960
申请日：2008-02-20
申请人： Prakash K. Mirchandani , Jimmy W. Eason , James J. Oakes , James C. Westhoff , Gabriel B. Collins , John H. Stevens , Steven G. Caldwell , Alfred J. Mosco
发明人： Prakash K. Mirchandani , Jimmy W. Eason , James J. Oakes , James C. Westhoff , Gabriel B. Collins , John H. Stevens , Steven G. Caldwell , Alfred J. Mosco
IPC分类号： B22F3/10
CPC分类号： E21B10/46 , B22F2005/001 , B22F2998/00 , C22C1/1068 , C22C29/00 , C22C29/005 , C22C29/067 , B22F7/06
摘要： The present invention relates to compositions and methods for forming a bit body for an earth-boring bit. The bit body may comprise hard particles, wherein the hard particles comprise at least one of carbide, nitride, boride, oxide, and solid solutions thereof, and a binder binding together the hard particles. The binder may comprise at least one metal selected from cobalt, nickel, and iron and, optionally, at least one melting point reducing constituent selected from a transition metal carbide in the range of 30 to 60 weight percent, boron up to 10 weight percent, silicon up to 20 weight percent, chromium up to 20 weight percent, and manganese up to 25 weight percent, wherein the weight percentages are based on the total weight of the binder. In addition, the hard particles may comprise at least one of (i) cast carbide (WC+W2C) particles, (ii) transition metal carbide particles selected from the carbides of titanium, chromium, vanadium, zirconium, hafnium, tantalum, molybdenum, niobium, and tungsten, and (iii) sintered cemented carbide particles.
摘要翻译：本发明涉及用于形成钻头的钻头体的组合物和方法。钻头体可以包括硬颗粒，其中硬颗粒包括碳化物，氮化物，硼化物，氧化物和固溶体中的至少一种，以及将硬颗粒结合在一起的粘合剂。粘合剂可以包含选自钴，镍和铁中的至少一种金属和任选的至少一种选自30-60重量％范围的过渡金属碳化物，至多10重量％的熔点降低成分，最高达20重量％的硅，至多20重量％的铬，至多25重量％的锰，其中重量百分比是基于粘合剂的总重量。此外，硬颗粒可以包括（i）碳化钨（WC + W2C）颗粒，（ii）过渡金属碳化物颗粒中的至少一种，其选自钛，铬，钒，锆，铪，钽，钼，铌和钨，和（iii）烧结的硬质合金颗粒。

4. 发明授权

US08403080B2 Earth-boring tools and components thereof including material having hard phase in a metallic binder, and metallic binder compositions for use in forming such tools and components 有权
标题翻译：钻孔工具及其组件包括在金属粘合剂中具有硬相的材料，以及用于形成这种工具和组件的金属粘结剂组合物
公开(公告)号：US08403080B2
公开(公告)日：2013-03-26
申请号：US13309232
申请日：2011-12-01
申请人： Prakash K. Mirchandani , Jimmy W. Eason , James J. Oakes , James C. Westhoff , Gabriel B. Collins
发明人： Prakash K. Mirchandani , Jimmy W. Eason , James J. Oakes , James C. Westhoff , Gabriel B. Collins
IPC分类号： E21B10/46
CPC分类号： E21B10/46 , B22F2005/001 , B22F2998/00 , C22C1/1068 , C22C29/00 , C22C29/005 , C22C29/067 , B22F7/06
摘要： Binder compositions for use in forming a bit body of an earth-boring bit includes at least one of cobalt, nickel, and iron, and at least one melting point-reducing constituent selected from at least one of a transition metal carbide up to 60 weight percent, a transition metal boride up to 60 weight percent, and a transition metal silicide up to 60 weight percent, wherein the weight percentages are based on the total weight of the binder. Earth-boring bit bodies include a cemented tungsten carbide material comprising tungsten carbide and a metallic binder, wherein the tungsten carbide comprises greater than 75 volume percent of the cemented tungsten carbide material.
摘要翻译：用于形成钻头的钻头体的粘合剂组合物包括钴，镍和铁中的至少一种，以及至少一种选自至少一种60重量％的过渡金属碳化物的降低熔点的成分百分比高达60重量％的过渡金属硼化物和至多60重量％的过渡金属硅化物，其中重量百分数是基于粘合剂的总重量。钻孔钻头体包括包含碳化钨和金属粘合剂的粘结碳化钨材料，其中碳化钨包括大于75体积％的硬质合金碳化物材料。

5. 发明授权

US08172914B2 Infiltration of hard particles with molten liquid binders including melting point reducing constituents, and methods of casting bodies of earth-boring tools 有权
标题翻译：用熔融液体粘合剂包括熔点降低成分渗透硬颗粒，以及钻孔工具的铸造体的方法
公开(公告)号：US08172914B2
公开(公告)日：2012-05-08
申请号：US12192292
申请日：2008-08-15
申请人： Prakash K. Mirchandani , Jimmy W. Eason , James J. Oakes , James C. Westhoff , Gabriel B. Collins
发明人： Prakash K. Mirchandani , Jimmy W. Eason , James J. Oakes , James C. Westhoff , Gabriel B. Collins
IPC分类号： C09K3/14 , B21K5/02 , E21B10/46
CPC分类号： E21B10/46 , B22F2005/001 , B22F2998/00 , C22C1/1068 , C22C29/00 , C22C29/005 , C22C29/067 , B22F7/06
摘要： The present invention relates to compositions and methods for forming a bit body for an earth-boring bit. The bit body may comprise hard particles, wherein the hard particles comprise at least one of carbide, nitride, boride, and oxide and solid solutions thereof, and a binder binding together the hard particles. The binder may comprise at least one metal selected from cobalt, nickel, and iron, and at least one melting point-reducing constituent selected from a transition metal carbide in the range of 30 to 60 weight percent, boron up to 10 weight percent, silicon up to 20 weight percent, chromium up to 20 weight percent, and manganese up to 25 weight percent, wherein the weight percentages are based on the total weight of the binder. In addition, the hard particles may comprise at least one of (i) cast carbide (WC+W2C) particles, (ii) transition metal carbide particles selected from the carbides of titanium, chromium, vanadium, zirconium, hafnium, tantalum, molybdenum, niobium, and tungsten, and (iii) sintered cemented carbide particles.
摘要翻译：本发明涉及用于形成钻头的钻头体的组合物和方法。钻头体可以包括硬颗粒，其中硬颗粒包括碳化物，氮化物，硼化物及其氧化物和固体溶液中的至少一种以及将硬颗粒结合在一起的粘合剂。粘合剂可以包含选自钴，镍和铁中的至少一种金属，以及至少一种选自30-60重量％范围的过渡金属碳化物，至多10重量％的熔点降低成分，硅，至多20重量％，最高达20重量％的铬，和至多25重量％的锰，其中重量百分数是基于粘合剂的总重量。此外，硬质颗粒可以包括（i）碳化钨（WC + W2C）颗粒，（ii）过渡金属碳化物颗粒中的至少一种，其选自钛，铬，钒，锆，铪，钽，钼，铌和钨，和（iii）烧结的硬质合金颗粒。

6. 发明授权

US08087324B2 Cast cones and other components for earth-boring tools and related methods 有权
标题翻译：铸造锥体和其他部件用于钻孔工具及相关方法
公开(公告)号：US08087324B2
公开(公告)日：2012-01-03
申请号：US12763968
申请日：2010-04-20
申请人： Jimmy W. Eason , Prakash K. Mirchandani , James J. Oakes , James C. Westhoff , Gabriel B. Collins , John H. Stevens , Steven G. Caldwell , Alfred J. Mosco
发明人： Jimmy W. Eason , Prakash K. Mirchandani , James J. Oakes , James C. Westhoff , Gabriel B. Collins , John H. Stevens , Steven G. Caldwell , Alfred J. Mosco
IPC分类号： B21K5/04
CPC分类号： E21B10/46 , B22F2005/001 , B22F2998/00 , C22C1/1068 , C22C29/00 , C22C29/005 , C22C29/067 , B22F7/06
摘要： The present invention relates to compositions and methods for forming a bit body for an earth-boring bit. The bit body may comprise hard particles, wherein the hard particles comprise at least one of carbide, nitride, boride, oxide and solid solutions thereof, and a binder binding together the hard particles. The binder may comprise at least one metal selected from cobalt, nickel, and iron, and, optionally, at least one melting point reducing constituent selected from a transition metal carbide in the range of 30 to 60 weight percent, boron up to 10 weight percent, silicon up to 20 weight percent, chromium up to 20 weight percent, and manganese up to 25 weight percent, wherein the weight percentages are based on the total weight of the binder. In addition, the hard particles may comprise at least one of (i) cast carbide (WC+W2C) particles, (ii) transition metal carbide particles selected from the carbides of titanium, chromium, vanadium, zirconium, hafnium, tantalum, molybdenum, niobium, and tungsten, and (iii) sintered cemented carbide particles.
摘要翻译：本发明涉及用于形成钻头的钻头体的组合物和方法。钻头体可以包括硬颗粒，其中硬颗粒包括碳化物，氮化物，硼化物，氧化物和固体溶液中的至少一种以及将硬颗粒结合在一起的粘合剂。粘合剂可以包含选自钴，镍和铁中的至少一种金属，以及任选地至少一种选自30-60重量％范围内的过渡金属碳化物的熔点降低成分，至多10重量％的硼，高达20重量％的硅，至多20重量％的铬，以及至多25重量％的锰，其中重量百分数是基于粘合剂的总重量。此外，硬颗粒可以包括（i）碳化钨（WC + W2C）颗粒，（ii）过渡金属碳化物颗粒中的至少一种，其选自钛，铬，钒，锆，铪，钽，钼，铌和钨，和（iii）烧结的硬质合金颗粒。

7. 发明申请

US20080163723A1 EARTH-BORING BITS 有权
标题翻译：地球。
公开(公告)号：US20080163723A1
公开(公告)日：2008-07-10
申请号：US12033960
申请日：2008-02-20
申请人： Prakash K. Mirchandani , Jimmy W. Eason , James J. Oakes , James C. Westhoff , Gabriel B. Collins , John H. Stevens , Steven G. Caldwell , Alfred J. Mosco
发明人： Prakash K. Mirchandani , Jimmy W. Eason , James J. Oakes , James C. Westhoff , Gabriel B. Collins , John H. Stevens , Steven G. Caldwell , Alfred J. Mosco
IPC分类号： C22C29/02
CPC分类号： E21B10/46 , B22F2005/001 , B22F2998/00 , C22C1/1068 , C22C29/00 , C22C29/005 , C22C29/067 , B22F7/06
摘要： The present invention relates to compositions and methods for forming a bit body for an earth-boring bit. The bit body may comprise hard particles, wherein the hard particles comprise at least one carbide, nitride, boride, and oxide and solid solutions thereof, and a binder binding together the hard particles. The binder may comprise at least one metal selected from cobalt, nickel, and iron, and, optionally, at least one melting point reducing constituent selected from a transition metal carbide in the range of 30 to 60 weight percent, boron up to 10 weight percent, silicon up to 20 weight percent, chromium up to 20 weight percent, and manganese up to 25 weight percent, wherein the weight percentages are based on the total weight of the binder. In addition, the hard particles may comprise at least one of (i) cast carbide (WC+W2C) particles, (ii) transition metal carbide particles selected from the carbides of titanium, chromium, vanadium, zirconium, hafnium, tantalum, molybdenum, niobium, and tungsten, and (iii) sintered cemented carbide particles.
摘要翻译：本发明涉及用于形成钻头的钻头体的组合物和方法。钻头体可以包括硬质颗粒，其中硬颗粒包含至少一种碳化物，氮化物，硼化物及其氧化物和固体溶液，以及将硬颗粒结合在一起的粘合剂。粘合剂可以包含选自钴，镍和铁中的至少一种金属，以及任选地至少一种选自30-60重量％范围内的过渡金属碳化物的熔点降低成分，至多10重量％的硼，高达20重量％的硅，至多20重量％的铬，以及至多25重量％的锰，其中重量百分数是基于粘合剂的总重量。此外，硬颗粒可以包括（i）碳化钨（WC + W2C）颗粒，（ii）过渡金属碳化物颗粒中的至少一种，其选自钛，铬，钒，锆，铪，钽，钼，铌和钨，和（iii）烧结的硬质合金颗粒。

8. 发明申请

US20120097456A1 EARTH-BORING TOOLS AND COMPONENTS THEREOF INCLUDING MATERIAL HAVING PRECIPITATE PHASE 审中-公开
标题翻译：地下工具及其组件，其中包括具有预浸料的材料
公开(公告)号：US20120097456A1
公开(公告)日：2012-04-26
申请号：US13309264
申请日：2011-12-01
申请人： Prakash K. Mirchandani , Jimmy W. Eason , James J. Oakes , James C. Westhoff , Gabriel B. Collins , John H. Stevens , Steven G. Caldwell , Alfred J. Mosco
发明人： Prakash K. Mirchandani , Jimmy W. Eason , James J. Oakes , James C. Westhoff , Gabriel B. Collins , John H. Stevens , Steven G. Caldwell , Alfred J. Mosco
IPC分类号： E21B10/00 , B24D3/06
CPC分类号： E21B10/46 , B22F2005/001 , B22F2998/00 , C22C1/1068 , C22C29/00 , C22C29/005 , C22C29/067 , B22F7/06
摘要： The present invention relates to compositions for forming at least a portion of an earth-boring rotary drill bit. The rotary drill bit may comprise a cemented transition metal carbide composition containing at least one precipitate transition metal carbide phase and at least one binder phase. The binder phase may comprise an alloy of at least one of cobalt, iron, and nickel having a melting point less than 1350° C.
摘要翻译：本发明涉及用于形成钻地旋转钻头的至少一部分的组合物。旋转钻头可以包括含有至少一个沉淀过渡金属碳化物相和至少一个粘结相的胶结过渡金属碳化物组合物。粘合剂相可以包含熔点小于1350℃的钴，铁和镍中的至少一种的合金。

9. 发明申请

US20120097455A1 EARTH-BORING TOOLS AND COMPONENTS THEREOF INCLUDING MATERIAL HAVING HARD PHASE IN A METALLIC BINDER, AND METALLIC BINDER COMPOSITIONS FOR USE IN FORMING SUCH TOOLS AND COMPONENTS 有权
标题翻译：地下工具及其组件，其中包括金属粘合剂中的硬质相的材料和用于形成这种工具和组件的金属粘合剂组合物
公开(公告)号：US20120097455A1
公开(公告)日：2012-04-26
申请号：US13309232
申请日：2011-12-01
申请人： Prakash K. Mirchandani , Jimmy W. Eason , James J. Oakes , James C. Westhoff , Gabriel B. Collins
发明人： Prakash K. Mirchandani , Jimmy W. Eason , James J. Oakes , James C. Westhoff , Gabriel B. Collins
IPC分类号： E21B10/00 , B24D3/06
CPC分类号： E21B10/46 , B22F2005/001 , B22F2998/00 , C22C1/1068 , C22C29/00 , C22C29/005 , C22C29/067 , B22F7/06
摘要： Binder compositions for use in forming a bit body of an earth-boring bit includes at least one of cobalt, nickel, and iron, and at least one melting point-reducing constituent selected from at least one of a transition metal carbide up to 60 weight percent, a transition metal boride up to 60 weight percent, and a transition metal silicide up to 60 weight percent, wherein the weight percentages are based on the total weight of the binder. Earth-boring bit bodies include a cemented tungsten carbide material comprising tungsten carbide and a metallic binder, wherein the tungsten carbide comprises greater than 75 volume percent of the cemented tungsten carbide material.
摘要翻译：用于形成钻头的钻头体的粘合剂组合物包括钴，镍和铁中的至少一种，以及至少一种选自至少一种60重量％的过渡金属碳化物的降低熔点的成分百分比高达60重量％的过渡金属硼化物和至多60重量％的过渡金属硅化物，其中重量百分数是基于粘合剂的总重量。钻孔钻头体包括包含碳化钨和金属粘合剂的粘结碳化钨材料，其中碳化钨包括大于75体积％的硬质合金碳化物材料。

10. 发明申请

US20100193252A1 CAST CONES AND OTHER COMPONENTS FOR EARTH-BORING TOOLS AND RELATED METHODS 有权
标题翻译：用于地球工具的铸造件和其他部件及相关方法
公开(公告)号：US20100193252A1
公开(公告)日：2010-08-05
申请号：US12763968
申请日：2010-04-20
申请人： Prakash K. Mirchandani , Jimmy W. Eason , James J. Oakes , James C. Westhoff , Gabriel B. Collins , John H. Stevens , Steven G. Caldwell , Alfred J. Mosco
发明人： Prakash K. Mirchandani , Jimmy W. Eason , James J. Oakes , James C. Westhoff , Gabriel B. Collins , John H. Stevens , Steven G. Caldwell , Alfred J. Mosco
IPC分类号： E21B10/00 , E21B10/08 , E21B10/42 , B22D19/14
CPC分类号： E21B10/46 , B22F2005/001 , B22F2998/00 , C22C1/1068 , C22C29/00 , C22C29/005 , C22C29/067 , B22F7/06
摘要： The present invention relates to compositions and methods for forming a bit body for an earth-boring bit. The bit body may comprise hard particles, wherein the hard particles comprise at least one of carbide, nitride, boride, and oxide and solid solutions thereof, and a binder binding together the hard particles. The binder may comprise at least one metal selected from cobalt, nickel, and iron, and, optionally, at least one melting point reducing constituent selected from a transition metal carbide in the range of 30 to 60 weight percent, boron up to 10 weight percent, silicon up to 20 weight percent, chromium up to 20 weight percent, and manganese up to 25 weight percent, wherein the weight percentages are based on the total weight of the binder. In addition, the hard particles may comprise at least one of (i) cast carbide (WC+W2C) particles, (ii) transition metal carbide particles selected from the carbides of titanium, chromium, vanadium, zirconium, hafnium, tantalum, molybdenum, niobium, and tungsten, and (iii) sintered cemented carbide particles.
摘要翻译：本发明涉及用于形成钻头的钻头体的组合物和方法。钻头体可以包括硬颗粒，其中硬颗粒包括碳化物，氮化物，硼化物及其氧化物和固体溶液中的至少一种以及将硬颗粒结合在一起的粘合剂。粘合剂可以包含选自钴，镍和铁中的至少一种金属，以及任选地至少一种选自30-60重量％范围内的过渡金属碳化物的熔点降低成分，至多10重量％的硼，高达20重量％的硅，至多20重量％的铬，以及至多25重量％的锰，其中重量百分数是基于粘合剂的总重量。此外，硬质颗粒可以包括（i）碳化钨（WC + W2C）颗粒，（ii）过渡金属碳化物颗粒中的至少一种，其选自钛，铬，钒，锆，铪，钽，钼，铌和钨，和（iii）烧结的硬质合金颗粒。

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