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Patent Searching and Data


Matches 501 - 550 out of 5,766

Document Document Title
WO/2000/020148A1
A machine tool which is a template tracing attachment which significantly reduces the slack or hysteresis in the operation of a machinist's lathe. Optical or magnetic scales (48, 50) and respective sensors (52, 54) assist in the accuracy...  
WO/2000/016945A1
The invention concerns a method for rectifying rotary contacts in electric machines which consists in using a cutting tool with high degree of hardness and inclined relative to said contact radius, wherein said debris are evacuated by su...  
WO/2000/013849A1
A method of lathing a lens, specially a contact lens, involves attaching the cylindrical blank (1) of lens material to a first block (2) of machineable plastic material, lathe cutting a desired first lens surface (6) in the cylindrical b...  
WO/2000/002691A1
A facing tool (10) includes a fixture (12) that securely holds a workpiece (w), and a fixture retainer (82) that secures the fixture (12) and workpiece (w) against axial and radial movement during a facing operation. In one embodiment, t...  
WO/2000/002690A1
A lathe (10) having a frame (12) for supporting rotatable chucking equipment (38) adapted to hold a work piece (40). The frame further supports at least one lathe tool (46; 64) for machining the work piece. The chucking equipment (38) an...  
WO/2000/000316A1
An improved hydrodynamic bearing design and method for fabricating a hydrodynamic bearing is disclosed, which incorporates a filling groove (50) so that oil or other lubricating fluid can be effiiciently inserted into the bearing gap wit...  
WO/1999/062655A1
A system, apparatus and method for machining (110) a rotor by determining a center plane (126) of the rotor based on two surfaces of the rotor (101, 105), preferably two interior surfaces (101, 105); positioning the rotor (106) based on ...  
WO/1999/061189A1
The invention concerns a machine tool (M) characterised in that the rotating tool (111 or 111') ensure partial machining of the crankshaft (Va) bearings (Pa) and crankpins (Ma) on one first work station (220a or 200b) and the same rotati...  
WO/1999/052386A1
A method of imparting a desired shape to a fabric composite, the method including the step of affixing to a fabric backing material (12) an interlining (10) (or interlining composite (24, 30; 24, 32)) having extensibility in the longitud...  
WO/1999/047299A1
An electrode tip dresser (10) includes a cutting tool (18) to dress an electrode; the cutting tool having a cutter blade assembly (22) with an opening (21) through which passes material that is removed from an electrode; and a vacuum ori...  
WO/1999/046073A1
A chuck (10) for use with a manual or powered driver having a housing (32) and a drive shaft rotatable with respect to the housing (32) is provided. The chuck (10) includes a cylindrical body (16) having a forward (24) and a rearward sec...  
WO/1999/042248A1
The apparatus is used to grind, polish or clean etc. the surfaces of a cylindrical object such as a pipe. A main body (1) has at least two rotary shafts (5) which receive machining tools (22, 23, 24) such as, for example, grinding wheels...  
WO/1999/034946A1
A curved machining jig for machining a curved workpiece (18) having an arcuate shaped centerline (99), the curved machining jig comprising a table (12) having a rotatably mounted column (34) extending perpendicular from the table (12), t...  
WO/1999/033611A1
A precision high speed turning machine apparatus (10) is provided which performs a selected operation, such as shaping, polishing or probing/measuring on a workpiece (12) and in particular on a rotationally non-symmetric workpiece. The w...  
WO/1999/033416A1
The invention relates to a method for cutting workpieces with a non-round or inconstant contour on usual commercial programmable turning machines. According to the invention, the application and combination of programmed threading cycles...  
WO/1999/028080A1
The invention relates to a device for correcting radial run-outs during the fabrication of cylindrical parts (9). The device comprises a rotating spindle (4) which can be driven and a chuck (5, 6) which is fastened to the spindle (4) and...  
WO/1999/025514A1
A tube squaring tool (10) includes a housing (12) having forward and rearward end areas (14, 16) and a tubular workpiece clamping device (56, 58) located at the forward end area for securing and retaining a tubular workpiece relative to ...  
WO/1999/024197A1
The invention relates to a method for finish machining of rotary pieces, especially crankshaft bearing points in passenger cars, which are at least partially subjected to a hardening process. The inventive method seeks to simplify the re...  
WO/1999/024196A1
The invention relates to a method and device for machining workpieces with rotationally symmetrical surfaces, e.g. as they are used in crankshafts, reciprocating internal combustion engines, piston compressors etc., to reduce set-up time...  
WO/1999/022895A1
An apparatus (20) for counterboring a pipe (25) includes an expander unit (24), a shaft (26), a flywheel (30) rotatably and slidably mounted on the shaft, and a frame (34) mounted on the flywheel to be movable in a radial direction. The ...  
WO/1999/011434A1
A method and apparatus for knurling a workpiece in which the knurl pattern includes grooves of at least two different configurations. The apparatus includes a knurl wheel holder that allows angular rotation of the knurl wheel about the h...  
WO/1999/006168A1
An apparatus for taper-boring a bevelled surface (16) into an inner wall of a pipe fitting (10, 32). The apparatus comprising support means, in the form of rollers (24, 26, 28), for supporting the fitting on the apparatus; drive means fo...  
WO/1998/053245A1
The invention relates to the partial or complete use of a pressurized gas cylinder known per se for compressed, liquefied or dissolved gases as a liner for a composite cylinder. This enables production costs of a composite cylinder to be...  
WO/1998/048961A1
Apparatus for reconditioning the seal shoulders (20a, 20b, 50a, 50b) of the threaded tubular connections (10), whether of single or multiple seal shoulder configuration, which non-threadably engages the connection for alignment. For box ...  
WO1998028099A3
A cutter insert for a tool for the finish machining by chip removal of bore surfaces in workpieces is proposed, the cutter insert being inserted in a recess introduced into the peripheral surface of the tool and being held by means of at...  
WO/1998/045074A1
The invention relates to a turning head and, in particular, to a combined turning and chamfering head capable of performing bar turning, peeling, and chamfering operations. The head comprises a body portion (10), a first part (20), cutti...  
WO/1998/041358A1
The inner/outer surfaces of a hollow member whose inner/outer surfaces have non-circular curves are machined with high precision at high speeds. The cycle-machining device has a C-axis driving means (54) by which the hollow member is sup...  
WO/1998/041348A1
The invention concerns a method for machining a V crankshaft comprising steps of dynamic mass measurement and centre-drilling at the start of the machining line, characterised in that it consists in pre-setting by machining of the rough ...  
WO/1998/038436A1
This invention relates to a method for fabricating a vehicle hub, bearing, and brake disc assembly wherein the braking surface (29a, 30a) of the brake disc is oriented in a predetermined relationship relative to the outer race of the bea...  
WO/1998/028099A2
The invention relates to a cutting tip (7) for a tool (1) for fine-machining boring surfaces in work pieces by the removal of cuttings. The cutting tip (7) is inserted into a recess (9) worked into the peripheral surface (5) of the tool ...  
WO/1998/025724A1
A control device stores an automatic operation program of a threading cycle prescribing a basic helical movement of a tool corresponding to the thread by specifying the number RC of revolutions of a main shaft, a screw lead ZR, a point Z...  
WO/1998/013160A1
A rotary pipe cutting apparatus (10, 60) for removing sections of broken pipe (14) from the bore of an outer pipe (12). The invention includes a cylindrical body (16) with a longitudinal slot (24) that is angularly offset from the rotati...  
WO/1998/012009A1
A machining apparatus for machining a work (16) having inner and outer peripheries of non-circular curves. The machining apparatus comprises: work supporting means (10, 11) for clamping a work rotatably on a substantially vertical axis f...  
WO/1998/009754A1
An apparatus (50) and method for automatically compensating for the lateral runout between an on-car lathe apparatus (52) and a vehicle hub (44) axis including one or more stop discs (94, 96) that rotate with the drive shaft of the lathe...  
WO/1998/010262A1
A runout measurement and control system includes an accelerometer comprising a one-piece unit that can be easily secured to the housing (52) of a disc brake lathe (48). The accelerometer includes rotor, rotor body and transducer, and use...  
WO/1998/006526A1
The invention relates to a device for the machining of tube ends (1) comprising a motor, with a gear arrangement and a clamping device (17,18) for the fixing of the a tube end on the machining device (1) in order to be processed. The mac...  
WO1997049521A3
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 a rotational axis of the workpiece at a...  
WO/1998/001248A1
A feed control (34) for a tool bit (30) carried by a headstock (16) of a lathe includes a driving cam having a profiled lobe (40) that permits automatic quick return of the tool bit following each cutting operation. The cam is driven in ...  
WO/1997/049596A1
The present invention is a one piece sleeve for a rotary valve, the sleeve comprising an array of communication slots formed in the bore of the sleeve, characterised in that at least a portion of the floor of one of said slots is convex....  
WO/1997/049521A2
The invention concerns a method and device for producing workpieces with a non-circular internal and/or external shape on a machine holding at least one workpiece (8) driven to rotate at constant speed and at least one tool (5), in parti...  
WO/1997/048521A1
An actuator comprising a pair of similar devices each responsive to electrical signals to generate reciprocatory displacements, and link means coupled to the devices to translate the respective displacements of the devices into a single ...  
WO/1997/044153A1
The invention concerns a milling arrangement for milling the welding region of spot-welding electrodes held by an electrode holder. The milling arrangement comprises a tool carrier with at least one milling tool (129), which is mounted t...  
WO/1997/037803A1
The present invention relates to chucks and methods for positioning multiple objects, optionally for transport onto a recipient substrate. Instead of using conventional clamps that employ mechanical force, the present invention is direct...  
WO/1997/027969A1
The invention concerns a pipe-cutting and chamfering arrangement for thin-walled pipes, the arrangement comprising a machine tool (2) with a cutting and chamfering tool (15, 16) and a clamping device (1) for cutting a pipe and chamfering...  
WO/1997/027017A1
A lathe for machining spherical and non-spherical surfaces without using a combination of several translational movements of the tool holder assembly is disclosed. The lathe mainly comprises three controlled axes of movement. A tool hold...  
WO/1997/009146A1
A toolholder (10) for removing material from a workpiece (18) wherein the workpiece and toolholder are rotatable with respect to one another. The toolholder includes a body (12) having a plurality of pockets (14, 16). A roughing insert (...  
WO/1997/002915A1
A portable tool for use in axially cutting and squaring ends of tubes includes a main tool body (5) within which is rotatably mounted a tool shaft (49) having a cutting tool (44) attached at one end thereof, a tube receiving and clamping...  
WO/1996/031708A1
A method of manufacturing a dynamic groove bearing (143) with a first bearing part (155) and a second bearing part (147) which are rotatable relative to one another. According to the method, the bearing parts (155, 147) are provided with...  
WO/1996/027468A1
The invention concerns a positioning drive for a tool head designed for use in machine tools. The tool head has a main body (12), a tool shaft (16) which extends out longitudinally beyond the main body (12) and which can be coupled to a ...  
WO/1996/022171A1
The invention describes the Portal-type Roll-through Wheel Lathe for machining of wheels (2) and brake discs of wheelset (1), dismantled from the rail vehicle and clamped in two centers (29) of quills (28), installed extendably in tailst...  

Matches 501 - 550 out of 5,766