Earth-boring rotary drill bits including bit bodies having boron carbide particles in aluminum or aluminum-based alloy matrix materials, and methods for forming such bits
    41.
    发明申请
    Earth-boring rotary drill bits including bit bodies having boron carbide particles in aluminum or aluminum-based alloy matrix materials, and methods for forming such bits 有权
    具有在铝或铝基合金基体材料中具有碳化硼颗粒的钻头体的钻孔旋转钻头以及用于形成这种钻头的方法

    公开(公告)号:US20070102200A1

    公开(公告)日:2007-05-10

    申请号:US11540912

    申请日:2006-09-29

    IPC分类号: E21B10/00

    CPC分类号: E21B10/00 E21B10/567

    摘要: Rotary drill bits for drilling subterranean formations include a bit body and at least one cutting structure disposed on a face thereof. The bit body includes a crown region comprising a particle-matrix composite material that includes a plurality of boron carbide particles dispersed throughout an aluminum or aluminum-based alloy matrix material. In some embodiments, the matrix material may include a continuous solid solution phase and a discontinuous precipitate phase. Methods of manufacturing rotary drill bits for drilling subterranean formations include infiltrating a plurality of boron carbide particles with a molten aluminum or aluminum-based material. In additional methods, a green powder component is provided that includes a plurality of particles each comprising boron carbide and a plurality of particles each comprising aluminum or an aluminum-based alloy material. The green powder component is at least partially sintered to provide a bit body, and a shank is attached to the bit body.

    摘要翻译: 用于钻探地层的旋转钻头包括钻头体和设置在其表面上的至少一个切割结构。 钻头体包括冠部区域,其包括颗粒 - 基质复合材料,其包括分散在整个铝或铝基合金基体材料中的多个碳化硼颗粒。 在一些实施方案中,基质材料可以包括连续的固溶相和不连续的沉淀相。 用于钻探地下地层的旋转钻头的制造方法包括用熔融的铝或铝基材料渗透多个碳化硼颗粒。 在另外的方法中,提供了一种绿色粉末组分,其包括多个颗粒,每个颗粒包含碳化硼和多个颗粒,每个颗粒包括铝或铝基合金材料。 绿色粉末成分至少部分地被烧结以提供钻头体,并且柄部附接到钻头体上。

    Earth-boring bits
    42.
    发明申请
    Earth-boring bits 有权
    无聊的钻头

    公开(公告)号:US20050247491A1

    公开(公告)日:2005-11-10

    申请号:US11116752

    申请日:2005-04-28

    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。

    Portable wood recovery and de-leading system
    43.
    发明申请
    Portable wood recovery and de-leading system 审中-公开
    便携式木材回收和脱铅系统

    公开(公告)号:US20050005574A1

    公开(公告)日:2005-01-13

    申请号:US10615523

    申请日:2003-07-08

    IPC分类号: B27C1/08 B60P3/14 E04G21/14

    CPC分类号: B27C1/08 B60P3/14

    摘要: A wood recovery and de-leading system is provided for de-leading deconstructed wood into clean, sized, and optionally profiled stock. The system preferably includes a container such as a mobile trailer, having an inlet opening and an outlet opening disposed therein and housing a wood de-leading device. The system is particularly effective in that it can process an inletted woodpiece through to the outlet openings in a single automatic pass, while containing the hazardous waste for safe and efficient disposal. While the system is described for de-leading wood, it can be used to clean, size, and optionally profile any number of materials regardless of coatings thereon.

    摘要翻译: 提供木材回收和脱铅系统,用于将解构木材分解成干净,大小和可选的成型料。 该系统优选地包括诸如移动式拖车的容器,其具有设置在其中的入口开口和出口开口,并且容纳木材脱离装置。 该系统特别有效,因为它可以在一次自动通过中将入口的木材加工到出口,同时容纳危险废物以便安全和有效地处理。 虽然该系统被描述为取消引导木材,但是其可以用于清洁,尺寸和任选地分布任何数量的材料,而不管其上的涂层。

    Pharmaceutical compositions containing pentamidine
    44.
    发明授权
    Pharmaceutical compositions containing pentamidine 失效
    含有脒的药物组合物

    公开(公告)号:US5204113A

    公开(公告)日:1993-04-20

    申请号:US657335

    申请日:1991-02-14

    IPC分类号: A61K9/00 A61K31/155

    摘要: Pharmaceutical compositions suitable for administration by inhalation and containing pentamidine, or pharmaceutically acceptable salt thereof, in powder form. Such compositions include pressurized aerosol compositions and non-pressurized powder compositions. Also described is finely divided powdered pentamidine with a mass median diameter in the range 0.01 to 10 microns and a method for the prevention or treatment of pneumacystics carinii pneumonia which comprises administration by inhalation to a patient having or susceptible to that condition of a therapeutically effective quantity of pentamidine, or a pharmaceutically acceptable salt thereof, in powder form.

    摘要翻译: PCT No.PCT / GB88 / 00277 Sec。 371日期:1988年11月14日 102(e)日期1988年11月14日PCT提交1988年4月8日PCT公布。 公开号WO88 / 07855 日期:1988年10月20日。适于通过吸入给药并含有粉末形式的戊脒或其药学上可接受的盐的药物组合物。 这样的组合物包括加压气溶胶组合物和非加压粉末组合物。 还描述了具有质量中值直径在0.01至10微米范围内的精细分散的粉末状戊脒和用于预防或治疗卡氏肺囊虫肺炎的方法,其包括通过吸入施用于具有或具有治疗有效量的该病症的患者 的戊脒或其药学上可接受的盐,为粉末形式。

    Isopropylbenzene derivatives
    45.
    发明授权
    Isopropylbenzene derivatives 失效
    异丙苯衍生物

    公开(公告)号:US4350644A

    公开(公告)日:1982-09-21

    申请号:US38699

    申请日:1979-05-14

    摘要: Isopropylbenzene derivatives having the general formula: ##STR1## in which: R.sup.1 to R.sup.4 independently represent a hydrogen atom or a lower alkyl group having up to 4 carbon atoms,X.sup..crclbar. represents COO.sup..crclbar. or SO.sub.3.sup..crclbar., andR.sub.f represents a fluorinated organic radical.The compounds may be applied to surfaces liable to be or become negatively charged to suppress spark discharges from such surfaces. Those compounds in which at least two of R.sup.2, R.sup.3 and R.sup.4 are alkyl, are particularly useful in the top coat of photographic films to eliminate marks caused by spark discharges.

    摘要翻译: 具有以下通式的异丙苯衍生物:其中:R 1至R 4独立地表示氢原子或具有至多4个碳原子的低级烷基,X( - )表示COO( - )或SO 3( - ),Rf 表示氟化有机基团。 这些化合物可以施加到易于或带负电的表面上,以抑制这些表面的火花放电。 其中R2,R3和R4中的至少两个是烷基的那些化合物在照相胶片的顶涂层中特别有用,以消除由火花放电引起的痕迹。

    PERSONAL WATERCRAFT AUTO-RETURN SYSTEM
    47.
    发明申请

    公开(公告)号:US20180335780A1

    公开(公告)日:2018-11-22

    申请号:US15712221

    申请日:2017-09-22

    摘要: A personal watercraft auto-return system includes a user device having a rider location determination unit, a user interface, and a communication unit. The system also includes an autopilot unit that is positioned within a personal watercraft. The autopilot unit including a steering unit for controlling the steering the watercraft, and a controller having a processor and memory for controlling the engine and throttle controls of the watercraft. The controller selectively activates the steering unit, engine, and throttle of the personal watercraft to navigate to the location of the user device upon receiving a request from the user interface.

    Portable Easel
    48.
    发明申请
    Portable Easel 审中-公开
    便携式画架

    公开(公告)号:US20160128480A1

    公开(公告)日:2016-05-12

    申请号:US14880360

    申请日:2015-10-12

    申请人: John Stevens

    发明人: John Stevens

    摘要: A portable easel for allowing a user to conveniently transport art supplies and a drawing surface to various locations. The portable easel includes an easel board removably and pivotally secured to a tripod base, wherein one or more legs of the tripod base are independently adjustable in length so as to allow for the easel to be positioned on an uneven support surface, such as a hill. Further, the tripod base may be folded into a compact configuration to conveniently transport the easel. The easel board is secured to the tripod base by a ball and socket connection, wherein the easel board can rotate thereon to allow a user to draw, paint, and the like at various angles. In some embodiments, the easel board includes one or more lights thereon so as to illuminate the drawing surface and a storage band removably securable to the easel board that can hold art supplies therein.

    摘要翻译: 便携式画架允许用户方便地将艺术用品和绘图表面运送到各个位置。 便携式画架包括可移动地并可枢转地固定到三脚架底座的画架板,其中三脚架底座的一个或多个腿部可独立调节长度,以便使画架能够定位在不平坦的支撑表面上,例如山 。 此外,三脚架基座可以折叠成紧凑的构造以方便地传送画架。 画架板通过球窝连接固定在三脚架基座上,其中画架板可以在其上旋转,以允许用户以各种角度绘制,绘画等。 在一些实施例中,画架板包括其上的一个或多个灯,以便照亮绘图表面,以及可拆卸地固定到可在其中容纳艺术品的画架板的存放带。

    VIRTUAL FORENSIC EDUCATIONAL LAB ACTIVITY AND REAL-WORLD KIT
    49.
    发明申请
    VIRTUAL FORENSIC EDUCATIONAL LAB ACTIVITY AND REAL-WORLD KIT 审中-公开
    虚构的威信教育活动和真实世界工具包

    公开(公告)号:US20150287333A1

    公开(公告)日:2015-10-08

    申请号:US14681745

    申请日:2015-04-08

    申请人: John Stevens

    发明人: John Stevens

    摘要: A program for teaching forensic science may include physical devices or an online internet activity simulating a crime scene, preferably a crime scene based on a notable crime that has actually occurred and received some notoriety. A virtual classroom is provided which includes lessons in forensics and quizzes, a virtual lab to study evidence by the user, and an easy-to-use interface for teachers to manage their presentations and monitor the progress of students studying forensic science.

    摘要翻译: 用于教授法医学的方案可能包括物理设备或模拟犯罪现场的在线互联网活动,最好是基于实际发生并受到一些臭名昭着的显着罪行的犯罪现场。 提供了一个虚拟教室,其中包括取证和测验课程,虚拟实验室,用户研究证据,以及易于使用的界面,供教师管理演示文稿,并监测学习法医科学的进度。

    Method of making an earth-boring particle-matrix rotary drill bit
    50.
    发明授权
    Method of making an earth-boring particle-matrix rotary drill bit 有权
    制造钻孔颗粒 - 矩阵旋转钻头的方法

    公开(公告)号:US08616089B2

    公开(公告)日:2013-12-31

    申请号:US13084078

    申请日:2011-04-11

    IPC分类号: B21K5/04

    摘要: A method of making an earth-boring rotary drill bit including a bit body configured to carry one or more cutters for engaging a subterranean earth formation. The method includes providing a plurality of hard particles in a mold to define a particle precursor of the bit body. The method also includes infiltrating the particle precursor of the bit body with a molten matrix material comprising a shape memory alloy forming a hard particle-molten matrix material mixture, wherein the hard particles are randomly dispersed within the molten matrix material. The method further includes cooling the molten matrix material to solidify a matrix material and form the bit body comprising a particle-matrix composite material having the plurality of hard particles randomly dispersed throughout the matrix material.

    摘要翻译: 一种制造钻孔旋转钻头的方法,该钻头包括构造成承载用于接合地下地层的一个或多个切割器的钻头体。 该方法包括在模具中提供多个硬颗粒以限定钻头体的颗粒前体。 该方法还包括用熔融基质材料渗透钻头体的颗粒前体,所述熔融基质材料包含形成硬颗粒熔融基质材料混合物的形状记忆合金,其中硬颗粒随机分散在熔融基体材料内。 该方法还包括冷却熔融基质材料以固化基质材料并形成钻头体,其包含具有随机分散在整个基体材料中的多个硬颗粒的颗粒 - 基体复合材料。