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    • 41. 发明申请
    • Composite abrasive compact
    • 复合磨料
    • US20060166615A1
    • 2006-07-27
    • US10503323
    • 2003-01-27
    • Klaus TankCornelis Jonker
    • Klaus TankCornelis Jonker
    • B23F21/03
    • E21B10/5673B22F7/06B22F2005/001B22F2005/002B22F2999/00C22C26/00C22C2204/00B22F2207/03
    • A composite abrasive compact comprises an abrasive compact layer, generally a diamond abrasive compact layer, bonded to a substrate. The abrasive compact layer is characterised by: (i) an inner region, in contact with a surface of the substrate, (ii) a first intermediate region in contact with the inner region, (iii) a second intermediate region in contact with the first intermediate region, (iv) an outer region in contact with the second intermediate region and containing ultra-hard abrasive particles having at least three different average particle sizes, and (v) the composition in the inner region, and first and second intermediate regions varying in composition such that there is a graduated change in thermal expansion of the abrasive compact layer between the substrate and the outer region.
    • 复合研磨成型体包括结合到基底的研磨致密层,通常为金刚石研磨致密层。 研磨致密层的特征在于:(i)与基底的表面接触的内部区域,(ii)与内部区域接触的第一中间区域,(iii)与第一中间区域接触的第二中间区域 中间区域,(iv)与第二中间区域接触的外部区域,并且包含具有至少三种不同平均粒度的超硬磨料颗粒,和(v)内部区域中的组合物以及第一和第二中间区域 使得在基底和外部区域之间的研磨致密层的热膨胀有渐变的变化。
    • 42. 发明申请
    • Tool insert
    • 工具插入
    • US20060144621A1
    • 2006-07-06
    • US10533046
    • 2003-09-12
    • Klaus TankRaymond ChapmanRoy Achilles
    • Klaus TankRaymond ChapmanRoy Achilles
    • E21B7/04
    • E21B10/5676E21B29/06
    • 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 sub-terranean rock formation using a rotary drill string and bit incorporating a tool insert of the invention.
    • 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)以及粘合到超硬质材料的保护层(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和包含本发明的工具插入件的钻头钻入地下岩层中的水平或倾斜孔的方法。
    • 43. 发明授权
    • Tool component
    • 工具组件
    • US06283844B1
    • 2001-09-04
    • US08672440
    • 1996-06-28
    • Klaus Tank
    • Klaus Tank
    • B23F2103
    • E21B10/5735E21C35/183E21C2035/1826Y10T407/26
    • A tool component is provided which has particular application in mining picks and drag bits. The component comprises an abrasive compact having a flat working surface presenting a cutting edge around its periphery, and an opposite surface bonded to a cemented carbide substrate along an interface. A recess is provided which extends into the abrasive compact from the interface and is filled with abrasive compact. The recess has a central portion and an outer portion which completely surrounds, and is shallower than the central portion. The central portion defines, in plan, at least one substantially wedge-shaped configuration, the configuration having a narrow end coincident with a side surface of the component and the sides extending into the component and diverging from the narrow end.
    • 提供了一种工具组件,它在采矿选择和拖曳钻头中具有特殊的应用。 该组件包括具有平坦工作表面的研磨压块,所述平坦工作表面围绕其周边呈现切割边缘,以及沿着界面结合到硬质合金基底的相对表面。 提供了一个从界面延伸到磨料压块中并且填充有磨料压块的凹槽。 凹部具有完全包围的中心部分和外部部分,并且比中心部分浅。 中心部分在平面图中限定至少一个基本上为楔形的构造,该构造具有与部件的侧表面重合的窄端,并且延伸到部件中的侧面与窄端分叉。
    • 44. 发明授权
    • Method of making a drill blank
    • 制作钻孔空白的方法
    • US06182533B2
    • 2001-02-06
    • US09140534
    • 1998-08-26
    • Klaus Tank
    • Klaus Tank
    • B23D502
    • E21B10/5676B22F5/003B22F7/064B22F2005/001B22F2998/00B23B27/146B23B2222/28B23B2226/125B23B2226/31B23B2228/04B23P15/28Y10S76/12Y10T408/81
    • A method of making a drill blank which is elongate and which has a vein of a bonding material located in an end surface thereof. A recess is formed in a surface of a cemented carbide body. Either a layer of ultra-hard abrasive or a mass of ultra-hard abrasive particles is then placed on a surface of the recess. A cemented carbide piece, having the same shape and cross-sectional size as the recess, is inserted into the recess. The cemented carbide body is subjected to conditions of elevated temperature and pressure so that either the abrasive compact layer or the layer of the ultra-hard abrasive bonds the cemented carbide piece to the cemented carbide body. Finally, the cemented carbide body is severed through either the abrasive compact layer or layer of ultra-hard abrasive to produce one or more drill blanks.
    • 一种制造钻孔毛坯的方法,所述钻孔坯是细长的并且具有位于其端表面中的粘合材料的静脉。 在硬质合金体的表面形成凹部。 然后将一层超硬磨料或大量超硬磨料颗粒放置在凹槽的表面上。 具有与凹部相同形状和横截面尺寸的硬质合金片插入到凹部中。 硬质合金体经受高温和高压的条件,使得磨料压实层或超硬磨料层将硬质合金块与硬质合金体结合。 最后,硬质合金体通过研磨压实层或超硬磨料层切断以产生一个或多个钻孔坯料。
    • 49. 发明授权
    • Cutting component
    • 切割部件
    • US4787466A
    • 1988-11-29
    • US105094
    • 1987-10-05
    • Peter N. TomlinsonKlaus Tank
    • Peter N. TomlinsonKlaus Tank
    • B23B27/20E21B10/56E21B10/573E21B10/46
    • E21B10/573
    • A cutting component comprising:(a) a composite abrasive compact comprising an abrasive compact bonded to a cemented carbide support;(b) an elongate, cylindrical pin having end surfaces and a side surface;(c) a recess for receiving the composite abrasive compact sloping from one end surface of the pin to the side surface;(d) the composite abrasive compact being located in the recess and bonded to the pin such that the abrasive compact presents a cutting edge for the cutting component and the abrasive compact lies wholly within the side surface of the pin and an imaginary extension thereof; and(e) a groove in the recess which spaces the abrasive compact from the pin.
    • 一种切割部件,包括:(a)复合研磨成型体,其包括结合到硬质合金支架上的磨料压块; (b)具有端表面和侧表面的细长圆柱销; (c)用于接收从销的一个端面到侧表面倾斜的复合磨料的凹部; (d)所述复合磨料压块位于所述凹部中并且结合到所述销上,使得所述研磨压块具有用于所述切削部件的切削刃,并且所述磨料致动器完全位于所述销的侧表面内并且具有虚构的延伸部; 和(e)在凹部中的凹槽,其将研磨压块与销定位。