drill (Total 53216 Patents Found)

Drill (53216 Patents Found)
A sharpener having a clam-shell housing in which a motor is mounted for driving a grinding wheel disposed adjacent one end of the housing, a chuck which holds either twist drills or a diamond dresser, the chuck being indexable 180° about its axis, and structure for mounting the chuck relative to the grinding wheel so ...
The subject of this present invention is a drill setting guide used for drilling holes in bones. The subject of this present invention is disclosed in an embodiment shown in FIG. 7 which shows a guide whose body consists of two round-sectioned parts as shown in a front half section. Body 1 has tapped holes into w...
An overburden drilling device includes a drill bit body, a percussion element for applying impacts to the body, and a casing attached to the body. The casing is connected to the drill bit body by a casing shoe which comprises semi-cylindrical halves which are held together by a circular ring that is welded to the halve...
The present invention relates to an outer-diameter blade, an inner-diameter blade and cutting machines which respectively use the outer-diameter blade and the inner-diameter blade for cutting hard material, such as metal, ceramics, semiconductor single crystal, glass, quartz crystal, stone, asphalt or concrete, and a c...
A diamond cutting tooth for use in a petroleum drag bit is provided with an extended and expanded effective diamond cutting surface by providing a linear sequence of triangular prismatic, synthetic, polycrystalline, diamond cutting elements generally along the line of direction of cutting within each tooth. Each elemen...
The present invention relates to a surgical drill including a drill member having a cutting section for cutting bone, the cutting section being situated at a distal end of the drill member. The drill member also comprises a non-cutting protection tip for protecting nerves, tissue or dura from being cut. The non-cutting...
A rotary device having mounted therein a drill for soil earthwork. The drill includes a shaft and a screw, formed along the outer circumferential surface of the shaft, for earthwork and the transportation of displaced soil. A rotary shaft is formed on the upper part of the shaft. A fixed shaft part is formed on the low...
A drill and/or tap guide, adapted for use in machining a straight hole through a variety of workpieces, defining a plurality of standard diameter-sized guide holes, presenting orthogonal sides and surfaces, and a plurality of alignment lines that cooperatively facilitate alignment of the guide and workpiece, and furthe...
A measurement system and method for determining a depth of penetration of a working portion of a surgical instrument (e.g., a rotating drill bit in a bore). A first sensor outputs a first signal representative of a displacement of the leading edge of the drill bit in the bore. A second sensor outputs a second signal re...
A drill for making a hole within a workpiece has a body extending along a longitudinal axis, at least one flute extending along the body, and a drill point extending from the end of the body. The drill point has a periphery and is comprised of a chisel edge, a primary cutting edge extending inwardly from the periphery,...
Rock drilling equipment and drill string components ( 2;18 ) for top hammer drilling and down-the-hole drilling for positioning between a drill rig and a drill bit include a pipe-shaped element ( 3;19 ), which is arranged for transferring only rotational movements from the drill rig to the drill hit. A vibration-dampin...
A coating that includes a polyisocyanate compound and at least one metal inclusion selected from the group consisting of tungsten and tungsten carbide. The metal inclusions range between about five percent by weight to about fifty percent by weight. A downhole tool that includes a body, a shank positioned at one end of...
L'invention concerne un outil de résistivité utilisé avec une tige de forage câblée et un ou plusieurs puits. L'outil de résistivité a un émetteur-récepteur, des modules récepteurs, situés adjacents au trépan, et des modules récepteurs à sensibilité élevée positionnés à des distances plus gra...
L'invention porte sur un microforet comportant une partie de foret pour forer un trou et une tige se fixant à un moteur. La partie de foret et la tige sont faits de matériaux différents. L'invention porte également sur une méthode de fabrication du microforet comportant les étapes suivantes: formation d&#...
A device for mixing of liquids and particulate solids, such as for instance a drilling liquid and drill cuttings on a drilling location. This drilling location can be a deep well drilled for gas and/or oil by means of a drilling tower on-or off-shore. The invention provides an elongated, rectangular open mixing tank (2...