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1. 发明申请

US20080035387A1 Downhole Drill Bit 有权
标题翻译：井下钻头
公开(公告)号：US20080035387A1
公开(公告)日：2008-02-14
申请号：US11861641
申请日：2007-09-26
申请人： David Hall , John Bailey , Ronald Crockett
发明人： David Hall , John Bailey , Ronald Crockett
IPC分类号： E21B10/42
CPC分类号： E21B10/43
摘要： In one aspect of the present invention, a drill bit has a body intermediate a shank and a working face. The working face has a plurality of blades converging towards a center of the working face and diverging towards a gauge of the working face. A first blade has at least one pointed cutting element with a carbide substrate bonded to a diamond working end with a pointed geometry at a non-planar interface and a second blade has at least one shear cutting element with a carbide substrate bonded to a diamond working end with a flat geometry.
摘要翻译：在本发明的一个方面中，钻头具有在柄部和工作面之间的身体。工作面具有朝着工作面的中心会聚的多个叶片，并朝着工作面的量规发散。第一刀片具有至少一个尖锐的切割元件，其具有碳化物基底，其在非平面界面处以尖锐的几何形状结合到金刚石工作端，并且第二刀片具有至少一个剪切切割元件，其具有结合到钻石加工的碳化物基底以平面几何结束。

2. 发明申请

US20080035383A1 Non-rotating Pick with a Pressed in Carbide Segment 有权
标题翻译：硬质合金段压制非旋转镐
公开(公告)号：US20080035383A1
公开(公告)日：2008-02-14
申请号：US11871835
申请日：2007-10-12
申请人： David Hall , Ronald Crockett , John Bailey , Jeff Jepson
发明人： David Hall , Ronald Crockett , John Bailey , Jeff Jepson
IPC分类号： E21B10/36 , E21B10/46
CPC分类号： E21C35/1933 , E21C35/183 , E21C35/19 , E21C2035/1806 , E21C2035/1809
摘要： In one aspect of the present invention, a high impact resistant tool has a superhard material bonded to a cemented metal carbide substrate at a non-planar interface. The cemented metal carbide substrate is bonded to a front end of a cemented metal carbide segment. A stem formed in the base end of the carbide segment opposite the front end is press fit into a bore of a steel body. The steel body is rotationally fixed to a drum adapted to rotate about its axis.
摘要翻译：在本发明的一个方面，高抗冲击工具具有在非平面界面处结合到胶结金属碳化物基底的超硬材料。粘结的金属碳化物基体粘合到胶结金属碳化物段的前端。形成在与前端相对的碳化物段的基端中的杆被压配合到钢体的孔中。钢体被旋转地固定到适于围绕其轴线旋转的滚筒。

3. 发明申请

US20070221415A1 Jack Element with a Stop-off 有权
标题翻译：杰克元素与停止
公开(公告)号：US20070221415A1
公开(公告)日：2007-09-27
申请号：US11750700
申请日：2007-05-18
申请人： David Hall , Ronald Crockett , John Bailey
发明人： David Hall , Ronald Crockett , John Bailey
IPC分类号： E21B10/00
CPC分类号： E21B10/54 , E21B4/14 , E21B7/06 , E21B7/064 , E21B7/065
摘要： In one aspect of the present invention, a drill bit has a body intermediate a shank and a working face, the working face comprising a plurality of blades formed on the working face and extending outwardly from the bit body. Each blade comprises at least one cutting element. The drill bit also has a jack element coaxial with an axis of rotation and extending out of an opening formed in the working face. A portion of the jack element is coated with a stop-off.
摘要翻译：在本发明的一个方面，一种钻头具有在柄部和工作面之间的主体，所述工作面包括形成在工作面上并从钻头体向外延伸的多个叶片。每个叶片包括至少一个切割元件。钻头还具有与旋转轴线同轴并从形成在工作面中的开口延伸出的千斤顶元件。千斤顶元件的一部分涂有一个停止。

4. 发明申请

US20080063476A1 Milling Apparatus for a paved surface 失效
标题翻译：用于铺面的铣削装置
公开(公告)号：US20080063476A1
公开(公告)日：2008-03-13
申请号：US11934245
申请日：2007-11-02
申请人： David Hall , Ronald Crockett
发明人： David Hall , Ronald Crockett
IPC分类号： E01C23/09
CPC分类号： E01C23/0885 , E01C23/127
摘要： In one aspect of the invention, an apparatus for directional degradation of a surface comprises an attachment assembly connected to a motorized vehicle comprising at least one degradation tool. The at least one degradation tool comprises a substantially cylindrical rotary degradation element having a substantially cylindrical working surface formed about a rotational axis. A plurality of cutting inserts is embedded within the substantially cylindrical working surface and is adapted to degrade a surface in a direction substantially normal to the rotational axis. At least one of the plurality of cutting inserts comprises a superhard material bonded to a cemented metal carbide substrate at a non-planar interface. The superhard material comprises a substantially pointed geometry with an apex comprising a 0.050 to 0.160 inch radius and a 0.100 to 0.500 inch thickness from the apex to the non-planar interface.
摘要翻译：在本发明的一个方面，用于表面的方向退化的装置包括连接到包括至少一个退化工具的机动车辆的附接组件。所述至少一个降解工具包括基本上圆柱形的旋转降解元件，其具有围绕旋转轴线形成的基本圆柱形的工作表面。多个切削刀片嵌入在基本上圆柱形的工作表面内，并且适于在基本上垂直于旋转轴线的方向上降级表面。多个切削刀片中的至少一个切削刀片包括在非平面界面处结合到胶合金属碳化物基底的超硬材料。超硬材料包括基本上尖的几何形状，顶点包括从顶点到非平面界面的0.050至0.160英寸半径和0.100至0.500英寸的厚度。

5. 发明申请

US20080048484A1 Shank for an Attack Tool 有权
标题翻译：一个攻击工具
公开(公告)号：US20080048484A1
公开(公告)日：2008-02-28
申请号：US11927917
申请日：2007-10-30
申请人： David Hall , Ronald Crockett , Jeff Jepson
发明人： David Hall , Ronald Crockett , Jeff Jepson
IPC分类号： E21C35/183
CPC分类号： E21C35/183
摘要： In one aspect of the invention, an attack tool is disclosed which comprises a wear-resistant base suitable for attachment to a driving mechanism. The wear-resistant base has a shank. A cemented metal carbide segment is bonded to the base and the shank has a wear-resistant surface. The wear-resistant surface has a hardness greater than 60 HRc and/or is work hardened.
摘要翻译：在本发明的一个方面，公开了一种攻击工具，其包括适于附接到驱动机构的耐磨底座。耐磨底座有一个柄。胶合金属碳化物段结合到基座上，并且柄具有耐磨表面。耐磨表面的硬度大于60HRC，和/或加工硬化。

6. 发明申请

US20080036281A1 Hollow Pick Shank 有权
公开(公告)号：US20080036281A1
公开(公告)日：2008-02-14
申请号：US11871759
申请日：2007-10-12
申请人： David Hall , Ronald Crockett , Scott Dahlgren , Jeff Jepson
发明人： David Hall , Ronald Crockett , Scott Dahlgren , Jeff Jepson
IPC分类号： E21C25/18
CPC分类号： E21C35/183 , E21C35/19 , E21C2035/1806
摘要： In one aspect of the invention, a degradation pick comprises a bolster disposed intermediate a shank and an impact tip. The shank comprises an outer diameter and first and second ends. The shank is coupled to the bolster through the first end and the second end is adapted for insertion into a central bore of a holder attached to a driving mechanism. The shank comprises a hollow portion disposed within the outer diameter and between the first and second ends. The hollow portion may comprise an opening that is disposed in the second end. In some embodiments the hollow portion may comprise a length that is at least as great as the outer diameter.

7. 发明申请

US20070290547A1 Superhard Composite Material Bonded to a Steel Body 有权
标题翻译：超硬复合材料粘合到钢体上
公开(公告)号：US20070290547A1
公开(公告)日：2007-12-20
申请号：US11686831
申请日：2007-03-15
申请人： David Hall , Ronald Crockett , Jeff Jepson , Joe Fox
发明人： David Hall , Ronald Crockett , Jeff Jepson , Joe Fox
IPC分类号： E21C25/10
CPC分类号： E21C35/183 , E21B10/5673 , E21B10/5676 , E21B10/5735 , E21C2035/1806
摘要： In one aspect of the invention, a pick comprises a steel body comprising a formed shank attached to a first end of the body and generally extending along a central axis of the body. An impact tip is secured to a second end of the steel body and comprises a carbide substrate attached to the second end of the steel body which is bonded to a superhard material. A composite material is bonded to an outer surface of the steel body and adapted to protect the steel from wear. The composite material comprises a plurality of superhard particles held within a matrix. The matrix comprises a superhard particle concentration of 40 to 80 percent by volume.
摘要翻译：在本发明的一个方面，拾取器包括钢体，该钢体包括附接到主体的第一端并且大致沿主体的中心轴线延伸的形成的柄。碰撞尖端被固定到钢体的第二端，并且包括附接到钢体的第二端的碳化物衬底，其结合到超硬材料上。复合材料结合到钢体的外表面并适用于保护钢免受磨损。复合材料包括保持在基体内的多个超硬颗粒。该基质含有40〜80体积％的超硬颗粒浓度。

8. 发明申请

US20070040140A1 High Pressure Intensifying Piston Valve 有权
标题翻译：高压增压活塞阀
公开(公告)号：US20070040140A1
公开(公告)日：2007-02-22
申请号：US11161875
申请日：2005-08-19
申请人： David Hall , Timothy Duke , Ronald Crockett , Jeff Jepson
发明人： David Hall , Timothy Duke , Ronald Crockett , Jeff Jepson
IPC分类号： F16K31/44
CPC分类号： F16K31/1223 , B30B11/004 , F15B3/00 , F15B11/032 , F15B15/18 , F15B2211/40515 , F15B2211/428 , F15B2211/455 , F15B2211/46 , F15B2211/7052 , F16K31/383
摘要： The present invention includes a piston valve for charging and discharging a first fluid chamber. The piston valve includes a piston shaft and a ring comprising a seal element. The piston shaft has a first end and a second end with the first end including a counter bore having at least one vent. The ring is disposed within a cylinder and the seal element is disposed intermediate the piston shaft and the ring. The piston valve may be used for intensification purposes such as in a high pressure high temperature hydraulic cartridge.
摘要翻译：本发明包括用于对第一流体室进行充放电的活塞阀。活塞阀包括活塞轴和包括密封元件的环。活塞轴具有第一端和第二端，其第一端包括具有至少一个通气口的反向孔。环设置在气缸内，密封元件设置在活塞轴和环之间。活塞阀可以用于增压目的，例如在高压高温液压盒中。

9. 发明申请

US20080115977A1 Impact Tool 有权
标题翻译：影响工具
公开(公告)号：US20080115977A1
公开(公告)日：2008-05-22
申请号：US12021051
申请日：2008-01-28
申请人： David Hall , Ronald Crockett , Scott Dahlgren , Tyson Wilde
发明人： David Hall , Ronald Crockett , Scott Dahlgren , Tyson Wilde
IPC分类号： E21B10/36 , E21B10/46
CPC分类号： E21C35/183 , E21B10/633 , E21C2035/1816
摘要： A tool comprising a super hard material is bonded to a cemented metal carbide substrate at a non-planar interface. A cemented metal carbide substrate is bonded to a front end of a cemented metal carbide bolster. The carbide bolster is secured against an outer surface of a drum through a press fit.
摘要翻译：包括超硬材料的工具在非平面界面处结合到胶结金属碳化物基底。粘结金属碳化物基体粘合到粘结金属碳化物垫块的前端。碳化物垫片通过压配合固定在滚筒的外表面上。

10. 发明申请

US20080067859A1 Shank Assembly 失效
标题翻译：手柄装配
公开(公告)号：US20080067859A1
公开(公告)日：2008-03-20
申请号：US11947644
申请日：2007-11-29
申请人： David Hall , Ronald Crockett , Jeff Jepson , Tyson Wilde , Jad Mills , Scott Dahlgren , Jonathan Marshall
发明人： David Hall , Ronald Crockett , Jeff Jepson , Tyson Wilde , Jad Mills , Scott Dahlgren , Jonathan Marshall
IPC分类号： E21C35/18 , E21C35/19
CPC分类号： E21C35/183 , E21C35/19 , E21C2035/1806 , E21C2035/1826
摘要： In one aspect of the invention, a pick comprises a carbide bolster disposed intermediate an impact tip and a shank assembly. The impact tip comprises a superhard material bonded to a carbide substrate, and the tip is bonded to the bolster opposing a base of the bolster. The shank assembly comprises a central axis, a first end that protrudes into a cavity formed in the base of the bolster, and also an inducible attachment mechanism disposed proximate the first end. The inducible attachment mechanism is adapted to attach the shank assembly to the carbide bolster and restrict movement of the shank assembly with respect to the carbide bolster. The attachment mechanism may restrict movement of the shank assembly in a direction parallel to the central axis.
摘要翻译：在本发明的一个方面，拾取器包括设置在冲击尖端和柄组件之间的碳化物垫块。撞击尖端包括结合到碳化物基底的超硬材料，并且尖端结合到与支架的基部相对的支架上。柄组件包括中心轴线，突出到形成在垫片的基部中的空腔中的第一端以及靠近第一端设置的可诱导的附接机构。可诱导的附接机构适于将柄组件附接到碳化物垫块并且限制柄组件相对于碳化物垫块的运动。附接机构可以限制柄组件在平行于中心轴线的方向上的运动。

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