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8707834 Device for repair of defects in a structure  
A device for repairing defects in an internal layer of a structure, for example, an aircraft. The device includes a cylindrical body which rotates around its axial direction, a movement conversion...
8607676 Double helix die grooving tool for pipe  
A die grooving tool for insertion into a pipe having a first die body and a second die body mounted upon a first end of the first die body. Each of the first die body and a second die body have a...
8561509 Mechanical-activated ID grooving tool  
A mechanical-activated inner diameter (ID) grooving tool includes a shank, a body, a stopper, an insert cartridge, a bushing and an end cap. The shank includes a tapered piston having an extension...
8555757 Tool for machining workpiece surfaces  
A tool for the machining of workpiece surfaces includes at least one adjustable, geometrically defined cutting edge. The tool additionally includes an adjusting device for the adjusting of the...
8539673 Method and device for machining a sealing seat of a shut-off valve  
A method for machining a sealing seat of a shut-off valve in a power generating or industrial plant. An upper valve part and the internal housing fittings are removed from the housing of the...
8479621 Internal machining apparatus for hollow workpiece  
In an internal machining apparatus for machining an internal surface of a hollow workpiece, a machining unit holding a cutting blade is configured to be inserted into the hollow workpiece. A pair...
8424428 Tool head for a pipe cutting machine  
The invention concerns a tool head with a housing (11), in which at least one thrusting wedge (31, 32, 33) is provided, able to move back and forth in the longitudinal direction (L) in a first...
8408849 Pressure-activated ID grooving tool  
A pressure-activated ID grooving tool includes a tool body having a channel, a front cross slide slot, a rear cross slide slot projecting, and two legs extending from a piston bore. A piston is...
8388277 Internal chamfering device and method  
A method of forming an opening in a layered structure includes providing a layered structure including a first layer and a second layer and a near-zero gap interface defined between the first layer...
8276488 Boring machine for turbine casings  
A boring machine including a rotatable boring bar carrying a tool holder that is movable radially of the boring bar, wherein a sensor is provided on the tool holder to sense the proximity thereof...
8191447 Method and device for machining a workpiece that rotates about a central axis  
The invention pertains to a method and device for machining a workpiece (2), which rotates about a central axis (1) by means of a tool (3), which contains at least one planar cutting plate (17)...
8156848 Tool head with adjusting motor  
A tool head includes a working slide which can be adjusted relative to a basic body, and an electric adjusting motor which acts on the working slide via gears. The motor includes a stator and a...
8146464 Machine tool and workpiece inner surface machining method using the machine tool  
To provide a machine tool not only capable of machining an inner surface of a workpiece into a spherical surface but also capable of machining a bearing surface including a flat surface and...
8122978 Drilling device with undercutting  
The invention is a drilling device for providing a conically shaped cavity in materials primarily used for anchoring systems. The drilling device is comprised of a solid shank for attachment to a...
7909548 Spherical internal motion cutting tool  
A rotary motion cutting tool having an axis of rotation for cutting at least a portion of the spherical surface on an internal surface of a workpiece includes a rotary slide, a rotary actuator, and...
7823632 Method and apparatus for programmable robotic rotary mill cutting of multiple nested tubulars  
A methodology and apparatus for cutting shape(s) or profile(s) through well tubular(s), or for completely circumferentially severing through multiple tubulars, including all tubing, pipe, casing,...
7793574 Machine tool  
A lightweight, compact, machine tool for radially machining a surface is provided, where the machine tool includes a cutting head having a cutter movably coupled thereto, and the cutter is further...
7770498 Modular tool carrier for boring machine  
Embodiments of the present invention provide a boring bar tool including a tool carrier adapted to translate along a boring bar. Adjustable guide members may be coupled with the tool carrier and...
7735401 Boring tool with adjustable chamfer cutter  
A cutting tool having a cutting portion located proximate to one end. The cutting tool including a recessed chip flute formed along the shank of the tool away from the cutting edge. The tool...
7686103 Drill bit with radially expandable cutter, and method of using same  
A drill bit having a body with a stationary cutter and a rotatable cutter such that in a first position the rotatable cutter does not radially extend beyond a periphery of the stationary cutter and...
7328637 Apparatus for machining a cylinder bore surface and method of machining the cylinder bore surface using the apparatus  
An apparatus for machining a circumferential surface defining a cylindrical bore of a workpiece, the apparatus including a tool holder rotatable about a first rotation axis, and a form roller...
7260877 Boring and turning mill  
A boring and turning mill, comprising a nonrotatable tool ram, a rotationally drivable tool spindle in the tool ram, an auxiliary head which can be attached to the tool ram in a nonrotatable...
7195430 Horizontal boring machine tool  
A horizontal boring machine tool is described that includes a boring bar equipped with a cutting bit and a counter-bar coupled in head-to-head rotation with the boring bar. This counter-bar is also...
7188690 Drilling device and method for producing undercut holes  
A drilling device for producing undercut holes. The drilling device includes a drilling tool having an axis of rotation and a cutting portion arranged such that the cutting portion drills a hole...
7172373 Deburring tool with quick change knife  
The invention relates to a deburring tool with a quick change knife, which is formed by at least two parts, namely a guide sleeve having a larger diameter and a center bore, and a base body that...
6857344 Grooving tool having coolant supply  
A grooving tool includes a spindle rotatable about a longitudinal axis thereof and having at least one coolant inlet port, a ramp portion, and a fluid flow path to the ramp portion; a tool bit...
6840722 Machining apparatus and machining method  
A machining apparatus for machining a workpiece by rotating and revolving either the workpiece or a tool 1 to contact with each other. The machining apparatus comprises rotation/revolution ratio...
6761516 Method for generating holes in laminate materials  
A method of generating holes in fiber-reinforced metal laminate material is provided, including creating a first bore 18 by passing a cutting element 16 from a first side 24 of the fiber-reinforced...
6761096 Method and device for producing workpieces with a non-circular internal and/or external shape  
In a method for producing workpieces having inner and/or outer contours deviating from a circular shape, at least one workpiece is clamped on a machine and the workpiece is driven in rotation about...
6708382 Complex tool  
In a complex tool to be installed on a machine tool capable of turning machining and milling machining operations, a main body is provided, and carries inserts for turning machining, inserts for...
6705185 Lathe for interior cutting of hollow work pieces  
A turning lathe for interior cutting of hollow work pieces using a boring rod onto which a tool holder device is fitted and on which there is a mechanism for holding a work piece in such a way that...
6655883 Tool holder  
The invention relates to a tool holder for use in machine tools, comprising a main body, which can rotate about an axis of rotation, and cutter holders which each hold a cutting plate and can be...
6634468 Method for assembly of a brake mechanism in said caliper  
The present invention concerns a brake caliper and a method for assembly of a brake mechanism for a disc brake in said caliper. The caliper surrounds the brake disc on both sides and has a cavity...
6579046 Tool head  
The invention involves a tool head 10, which can be rotated around an axis of rotation 24, with a tool-holding fixture 14, 16 for a tool 20 having a cutting edge 18 and with equipment 38, 40, 44...
6565298 Eccentric facing unit  
An eccentric facing unit wherein a tool driving shaft is concentrically disposed in a spindle for relative rotation with respect to the spindle. A tool-shaft supporting shaft is eccentrically...
6560835 Skiving and roller burnishing tool  
Apparatus is disclosed for finishing the inside of hollow work-pieces such as long hydraulic or pneumatic cylinders. A rotatable skiving and roller burnishing tool is advanced into one end of the...
6487946 Threading device  
A thread-cutting device with a thread-cutting head that rotates and includes a tool guide with at least two pairs of tool slides. The pairs of tool slides can shift radially relative to the axis of...
6460435 Method of rotational thread milling and a thread milling cutter for use therewith  
A method of rotational milling of a thread on a workpiece and including providing a device having a rotatable workpiece spindle for supporting the workpiece and a rotatable milling cutter spindle...
6415695 Method for forming spherical concave surfaces  
A method for forming a spherical concave surface includes the steps of bringing a tool into contact with a material to be formed, rotating the material around a predetermined axis, and moving the...
6341547 Lathe and method for turning a work piece on a lathe  
A lathe includes a frame for supporting rotatable chucking equipment adapted to hold a work piece. The frame further supports at least one lathe tool for machining the work piece. The chucking...
6331093 Compensator for multi-tool boring bar  
An apparatus radially adjusts a position of a plurality of tool cartridges of a machine tool having rotatable, concentric, elongate, inner and outer drive spindles. A plurality of pockets are...
6318220 System and method for finish machining differential housings  
A method of machining a differential housing defining a cavity having opposed concave interior surfaces from a workpiece having first and second transverse bores defined therein. A tool having a...
6220798 Tool for machining drill hole surfaces  
A tool for the machining of workpiece surfaces, especially of drilled-hole surfaces, has at least two parts which are displaceable relative to each other. The tool for the machining of the...
6134996 Tool head for use in machine tools  
A tool head for use in machine tools includes a base body, a tool shank adapted to be coupled to a machine spindle and protruding axially over the base body, at least one working slide adapted to...
6058816 Actively controllable support device for a cantilever beam  
Apparatus is disclosed for supporting a beam having a longitudinal axis. The apparatus includes a clamping assembly that surrounds and grips a portion of the beam. The clamping assembly is...
6053082 Holder for orbitable tool  
A tool holder has a housing rotatable about a holder axis, a motor mounted on the housing and having an output rotatable about a motor axis transverse to the holder axis, and a rotation sensor...
6050159 Facing head with rotary slide  
A facing head includes a housing with a center axis and a rotary slide with a rotation axis offset from the housing center axis. At least one cutter plate is provided on the rotary slide and...
6022176 Tool bit with marking member  
A tool bit for working in a previously drilled blind bore (5) has a shank section (2) insertible into the blind bore and a chuck section (1) extending co-axially from a drilling end of the shank...
5971678 Spindle unit  
An apparatus for machining a hole in a work piece includes a spindle motor that is rotatable about a principal axis. The spindle motor includes a tool holder having a tool axis substantially...
5967007 Position drive, in particular for use in machine tools, and tool head having such a position drive  
The invention relates to a position drive for a tool head for use in machine tools. The tool head comprises a base body (12), a tool shank (16) which protrudes axially over the base body (12) and...
Matches 1 - 50 out of 216 1 2 3 4 5 >