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1. 发明申请

WO2004106003A1 POLYCRYSTALLINE DIAMOND ABRASIVE ELEMENTS 审中-公开
标题翻译：多晶金刚石磨料元素
公开(公告)号：WO2004106003A1
公开(公告)日：2004-12-09
申请号：PCT/IB2004/001747
申请日：2004-05-27
申请人： ELEMENT SIX (PTY) LTD , LANCASTER, Brett , ROBERTS, Bronwyn, Annette , PARKER, Imraan , TANK, Klaus , ACHILLES, Roy, Derrick , VAN DER RIET, Clement, David
发明人： LANCASTER, Brett , ROBERTS, Bronwyn, Annette , PARKER, Imraan , TANK, Klaus , ACHILLES, Roy, Derrick , VAN DER RIET, Clement, David
IPC分类号： B24D17/00
CPC分类号： E21B10/46 , B24D18/00 , B24D99/005 , C22C26/00 , E21B10/567 , E21B10/5735 , Y10T408/81
摘要： A polycrystalline diamond abrasive element, particularly a cutting element, comprises a table of polycrystalline diamond bonded to a substrate, particularly a cemented carbide substrate, along a non-planar interface. The non-planar interface typically has a cruciform configuration. The polycrystalline diamond has a high wear-resistance, and has a region adjacent the working surface lean in catalysing material and a region rich in catalysing material. The region lean in catalysing material extends to a depth of 40 to 90 microns, which is much shallower than in the prior art. Notwithstanding the shallow region lean in catalysing material, the polycrystalline diamond cutters have a wear resistance, impact strength and cutter life comparable to that of prior art cutters, but requiring only 20% of the treatment times of the prior art cutters.
摘要翻译：多晶金刚石研磨元件，特别是切割元件，包括沿着非平面界面结合到基底，特别是硬质合金基底的多晶金刚石台。非平面界面通常具有十字形构造。多晶金刚石具有高耐磨性，并且具有邻近工作表面的贫乏催化材料的区域和富含催化材料的区域。在催化材料中倾斜的区域延伸到40至90微米的深度，其比现有技术浅得多。尽管催化材料的薄弱区域，多晶金刚石切割器具有与现有技术的切割机相当的耐磨性，冲击强度和切割寿命，但仅需要现有技术切割器的20％的处理时间。

2. 发明申请

WO2005061181A3 POLYCRYSTALLINE DIAMOND ABRASIVE ELEMENTS 审中-公开
标题翻译：多晶金刚石磨料元素
公开(公告)号：WO2005061181A3
公开(公告)日：2005-08-25
申请号：PCT/IB2004004038
申请日：2004-12-09
申请人： ELEMENT SIX PTY LTD , LANCASTER BRETT , ROBERTS BRONWYN ANNETTE , PARKER IMRAAN , TANK KLAUS , ACHILLES ROY DEREK
发明人： LANCASTER BRETT , ROBERTS BRONWYN ANNETTE , PARKER IMRAAN , TANK KLAUS , ACHILLES ROY DEREK
IPC分类号： B22F7/02 , C22C26/00 , E21B10/56 , E21B10/567
CPC分类号： E21B10/567 , B22F7/02 , B22F2998/00 , C22C26/00 , Y10T428/252 , Y10T428/30 , B22F2207/03
摘要： A polycrystalline diamond abrasive element, particularly a cutting element, comprises a layer of polycrystalline diamond having a working surface and bonded to a substrate, particularly a cemented carbide substrate, along an interface. The polycrystalline diamond abrasive element is characterised by using a binder phase that is homogeneously distributed through the polycrystalline diamond layer and that is of a fine scale. The polycrystalline diamond also has a region adjacent the working surface lean in catalysing material and a region rich in catalysing material.
摘要翻译：多晶金刚石磨蚀元件，特别是切割元件包括具有工作表面并沿着界面结合到基底，特别是烧结碳化物基底的多晶金刚石层。多晶金刚石磨料元件的特征在于使用均匀分布在多晶金刚石层中且具有精细尺度的粘结相。多晶金刚石还具有靠近工作表面的催化材料贫瘠区域和富含催化材料的区域。

3. 发明申请

WO2005061181A2 POLYCRYSTALLINE DIAMOND ABRASIVE ELEMENTS 审中-公开
标题翻译：多晶金刚石磨料元素
公开(公告)号：WO2005061181A2
公开(公告)日：2005-07-07
申请号：PCT/IB2004/004038
申请日：2004-12-09
申请人： ELEMENT SIX (PTY) LTD , LANCASTER, Brett , ROBERTS, Bronwyn, Annette , PARKER, Imraan , TANK, Klaus , ACHILLES, Roy, Derek
发明人： LANCASTER, Brett , ROBERTS, Bronwyn, Annette , PARKER, Imraan , TANK, Klaus , ACHILLES, Roy, Derek
IPC分类号： B24D17/00
CPC分类号： E21B10/567 , B22F7/02 , B22F2998/00 , C22C26/00 , Y10T428/252 , Y10T428/30 , B22F2207/03
摘要： A polycrystalline diamond abrasive element, particularly a cutting element, comprises a layer of polycrystalline diamond having a working surface and bonded to a substrate, particularly a cemented carbide substrate, along an interface. The polycrystalline diamond abrasive element is characterised by using a binder phase that is homogeneously distributed through the polycrystalline diamond layer and that is of a fine scale. The polycrystalline diamond also has a region adjacent the working surface lean in catalysing material and a region rich in catalysing material.
摘要翻译：多晶金刚石研磨元件，特别是切割元件，包括具有工作表面的多晶金刚石层，并且沿着界面结合到基底，特别是硬质合金基底。多晶金刚石研磨元件的特征在于使用均匀分布在多晶金刚石层上并且具有精细刻度的粘结相。多晶金刚石还具有邻近工作表面的贫乏催化材料的区域和富含催化材料的区域。

4. 发明申请

WO2004106004A1 POLYCRYSTALLINE DIAMOND ABRASIVE ELEMENTS 审中-公开
标题翻译：多晶金刚石磨料元素
公开(公告)号：WO2004106004A1
公开(公告)日：2004-12-09
申请号：PCT/IB2004/001751
申请日：2004-05-27
申请人： ELEMENT SIX (PTY) LTD , LANCASTER, Brett , ROBERTS, Bronwyn, Annette , PARKER, Imraan , ACHILLES, Roy, Derrick
发明人： LANCASTER, Brett , ROBERTS, Bronwyn, Annette , PARKER, Imraan , ACHILLES, Roy, Derrick
IPC分类号： B24D17/00
CPC分类号： E21B10/46 , B24D18/00 , B24D99/005 , C22C26/00 , E21B10/567 , E21B10/5735 , Y10T408/81
摘要： A polycrystalline diamond abrasive element, particularly a cutting element, comprises a table of polycrystalline diamond bonded to a substrate, particularly a cemented carbide substrate, along a non-planar interface. The polycrystalline diamond abrasive element is characterised by the nonplanar interface having a cruciform configuration, the polycrystalline diamond having a high wear-resistance, and the polycrystalline diamond having a region adjacent the working surface lean in catalysing material and a region rich in catalysing material. The polycrystalline diamond cutters have improved wear resistance, impact strength and cutter life than prior art cutters.
摘要翻译：多晶金刚石研磨元件，特别是切割元件，包括沿着非平面界面结合到基底，特别是硬质合金基底的多晶金刚石台。多晶金刚石研磨元件的特征在于具有十字形构造的非平面界面，多晶金刚石具有高耐磨性，并且多晶金刚石具有邻近工作表面的区域，贫乏催化材料和富含催化材料的区域。多晶金刚石刀具比现有技术的刀具具有改善的耐磨性，冲击强度和刀具寿命。

5. 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。

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