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1. 发明申请

WO2004040096A1 COMPOSITE TOOL INSERT 审中-公开
标题翻译：复合工具插件
公开(公告)号：WO2004040096A1
公开(公告)日：2004-05-13
申请号：PCT/IB2003/003921
申请日：2003-09-12
申请人： ELEMENT SIX (PROPRIETARY) LIMITED , TANK, Klaus , CHAPMAN, Raymond, Albert , ACHILLES, Roy, Derrick
发明人： TANK, Klaus , CHAPMAN, Raymond, Albert , ACHILLES, Roy, Derrick
IPC分类号： E21B10/56
CPC分类号： E21B10/5676 , E21B29/06 , Y10T407/19
摘要： A tool insert comprises a substrate (10) having a support surface and a support ring extending laterally from the support surface. The support ring is sized to define a recess (14) within the confines thereof and a shelf about the periphery thereof. A layer (12) of ultra-hard abrasive material is located within the recess and bonded to the substrate and the support ring (16), and presents a primary cutting edge (22) for the tool insert. A protective layer (18) is bonded to the shelf about the support ring so as to protect the primary cutting edge. The protective layer provides a secondary cutting edge (20) for the tool insert, the depth of the protective layer being selected so as to be sufficient to protect the primary cutting edge whilst cutting, milling or drilling through a first substance but to expose the primary cutting edge upon encountering a second substance.
摘要翻译：工具插入件包括具有支撑表面的基底（10）和从支撑表面横向延伸的支撑环。支撑环的尺寸被设计成在其范围内限定凹部（14），并且围绕其周边形成搁板。超硬研磨材料层（12）位于凹槽内，并与衬底和支撑环（16）结合，并提供用于工具插入件的主切削刃（22）。保护层（18）围绕支撑环结合到搁板上以便保护主切削刃。保护层提供用于工具插入件的辅助切割边缘（20），保护层的深度被选择为足以保护主切削刃，同时切割，铣削或钻孔通过第一物质，但暴露于初级在遇到第二物质时切割边缘。

2. 发明申请

WO2004040095A1 TOOL INSERT 审中-公开
标题翻译：工具插件
公开(公告)号：WO2004040095A1
公开(公告)日：2004-05-13
申请号：PCT/IB2003/003892
申请日：2003-09-12
申请人： ELEMENT SIX (PROPRIETARY) LIMITED , TANK, Klaus , CHAPMAN, Raymond, Albert , ACHILLES, Roy, Derrick
发明人： TANK, Klaus , CHAPMAN, Raymond, Albert , ACHILLES, Roy, Derrick
IPC分类号： E21B10/56
CPC分类号： E21B10/5676 , E21B29/06
摘要： A tool insert comprises a substrate (40), a layer of ultra-hard abrasive material (52) bonded to the substrate and presenting a primary cutting edge (54) for the tool insert, and a protective layer (56) bonded to the ultra-hard abrasive material so as to protect the primary cutting edge thereof. The protective layer provides a secondary cutting edge (58) for the tool insert, the depth of the protective layer being selected so as to be sufficient to protect the primary cutting edge whilst cutting, milling or drilling a window through a first substance, such as a casing or lining of a borehole or shaft, but to expose the primary cutting edge upon encountering a second substance, such as a rockbed. The invention extends to a method of drilling a horizontal or angled hole in a subterranean rock formation using a rotary drill string and bit incorporating a tool insert of the invention.
摘要翻译：工具插入件包括基底（40），结合到基底的超硬研磨材料层（52），并且呈现用于刀具插入件的主切削刃（54）以及粘合到超高分子量的保护层（56）硬磨料，以保护其主切削刃。保护层提供用于工具插入件的辅助切割边缘（58），保护层的深度被选择为足以保护主切削刃，同时通过第一物质切割，铣削或钻孔，例如钻孔或轴的套管或衬套，但是在遇到第二物质（例如岩石）时露出主切割刃。本发明延伸到使用旋转钻柱钻头和钻入本发明的工具刀片的钻头来钻探地下岩层中的水平或倾斜孔的方法。

3. 发明申请

WO2004076800A1 SECONDARY CUTTING ELEMENT FOR DRILL BIT 审中-公开
标题翻译：钻头二次切割元件
公开(公告)号：WO2004076800A1
公开(公告)日：2004-09-10
申请号：PCT/IB2004/000472
申请日：2004-02-24
申请人： ELEMENT SIX (PROPRIETARY) LIMITED , ACHILLES, Roy, Derrick , TANK, Klaus , PARKER, Imraan
发明人： ACHILLES, Roy, Derrick , TANK, Klaus , PARKER, Imraan
IPC分类号： E21B10/56
CPC分类号： E21B10/43 , E21B10/5735
摘要： A rotary drag bit comprises a bit body and a plurality of blades extending radially away from the bit body, each blade including a cutting assembly. Each cutting assembly has a plurality of primary cutters orientated in the direction of rotation of the drill bit for drilling or boring into a subterranean rock formation, and a plurality of secondary or brute cutters located behind the primary cutters in relation to the direction of rotation of the drag bit. The invention is concerned primarily with the secondary cutters, which comprise a layer of superabrasive material, such as PCD, PCBN or CVD diamond, bonded to a support substrate. The interface between the superabrasive layer and the substrate has a stepped region that provides the cutter with a skirt or hoop of superabrasive extending into the substrate. The secondary cutter is orientated in use to present a bearing surface to the rock formation and a secondary cutting edge in the direction of rotation of the rotary bit.
摘要翻译：旋转牵引钻头包括钻头体和从钻头体径向延伸的多个刀片，每个刀片包括切割组件。每个切割组件具有沿着钻头的旋转方向定向的多个初级切割器，用于钻孔或钻孔到地下岩层中，以及多个次级或暴力切割器，其位于主切割器后面相对于旋转方向拖拽位。本发明主要涉及二次切割器，二次切割器包括结合到支撑基底上的超级磨料材料层，例如PCD，PCBN或CVD金刚石。超研磨层和基底之间的界面具有阶梯区域，其向切割器提供延伸到基底中的超级磨料的裙部或箍。二次切割器在使用中定向以向岩层提供支承表面，并且在旋转钻头的旋转方向上具有次切削刃。

4. 发明申请

WO2004040029A1 COMPOSITE MATERIAL 审中-公开
标题翻译：复合材料
公开(公告)号：WO2004040029A1
公开(公告)日：2004-05-13
申请号：PCT/IB2003/004788
申请日：2003-10-29
申请人： ELEMENT SIX (PROPRIETARY) LIMITED , SIGALAS, Iakovos , DAVIES, Geoffrey, John , MASETE, Mosimanegape, Stephen
发明人： SIGALAS, Iakovos , DAVIES, Geoffrey, John , MASETE, Mosimanegape, Stephen
IPC分类号： C22C26/00
CPC分类号： E21B10/567 , B01J3/062 , B01J3/065 , B01J2203/063 , B01J2203/066
摘要： A composite material comprises a plurality of cores of material selected from the group comprising carbides, nitrides, carbonitrides, cemented carbides, cemented nitrides, cemented carbonitrides and mixtures thereof, dispersed in a matrix. The matrix comprises the components for making an ultra-hard material, such as diamond or cBN abrasive particles, and a suitable binder. The ultra-hard material is polycrystalline in nature and is typically PCD or PcBN. The cores are typically provided as individual particles or in the form of granules. The granules may be further coated with a second coating, which may be a similar material to that of the cores or of an ultra-hard material of a different grade to that of the first coating. The composite material typically takes on a honeycomb structure of a hard material and cores within the pores of the honeycomb structure bonded to the honeycomb structure. The pores of the honeycomb structure may be ordered or random. A method of producing the composite material and a method of producing a tool component incorporating such a material are also provided.
摘要翻译：复合材料包括分散在基质中的多种选自碳化物，氮化物，碳氮化物，硬质合金，粘结氮化物，粘结碳氮化物及其混合物的材料芯。基质包括用于制造超硬材料的组分，例如金刚石或cBN研磨剂颗粒，以及合适的粘合剂。超硬材料本质上是多晶的，通常是PCD或PcBN。核心通常提供为单个颗粒或颗粒形式。颗粒可以进一步涂覆第二涂层，其可以是与芯的类似材料或与第一涂层不同等级的超硬材料的材料。复合材料通常在与蜂窝结构体结合的蜂窝结构体的孔内具有硬质材料的蜂窝结构和芯。蜂窝结构的孔可以是有序的或随机的。还提供了一种生产该复合材料的方法和一种制造包含这种材料的工具部件的方法。

5. 发明申请

WO2005017227A1 BORON COATED ABRASIVES 审中-公开
标题翻译： BORON涂层磨砂
公开(公告)号：WO2005017227A1
公开(公告)日：2005-02-24
申请号：PCT/IB2004/002403
申请日：2004-07-27
申请人： ELEMENT SIX (PROPRIETARY) LIMITED , RAS, Anine, Hester , DAVIES, Geoffrey, John
发明人： RAS, Anine, Hester , DAVIES, Geoffrey, John
IPC分类号： C23C8/68
CPC分类号： C04B35/62802 , C04B35/62897 , C04B2235/386 , C04B2235/427 , C09K3/1445 , C23C8/68 , C23C30/005
摘要： A process forming boron coated abrasives,in particular boron coated abrasive particles, which may be used in saw blade segments, grinding wheels and other grit-containing tools. Whilst the process is particularly suited to the coating of abrasive particles, it can be applied to any abrasives for use in grinding, cutting or polishing tools, or to such tools themselves. In the case of abrasive particles, these are mixed with boron and boric acid powder, in a suitable ratio, and furnaced at a temperature between 800 and 1200 °C for a length of time in an inert atmosphere sufficient to coat the particles.
摘要翻译：形成硼涂覆的研磨剂，特别是硼涂覆的磨料颗粒的工艺，其可用于锯片段，砂轮和其它含砂粒的工具中。虽然该方法特别适用于磨料颗粒的涂层，但是它可以应用于用于研磨，切割或抛光工具或任何这种工具本身的任何研磨剂。在研磨颗粒的情况下，将它们以适当的比例与硼和硼酸粉末混合，并在足以涂覆颗粒的惰性气氛中在800至1200℃的温度下加热一段时间。

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