| Patents for B23B 5 - Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor (6,203) |
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| 05/14/1991 | CA1284100C Cutting tool for cutting well casing |
| 05/08/1991 | EP0425994A2 Method and machine for cutting off tubes and at the same time chamferring the formed tube ends |
| 05/08/1991 | EP0425502A1 Process for machining radial through-slots in piston-ring grooves |
| 05/08/1991 | DE4034516A1 Method of producing pockets in circumference of rings - uses superimposed rotary motions of work and single point tool to generate cycloidal tool path |
| 05/07/1991 | US5013193 Closet flange reboring tool |
| 04/30/1991 | US5010793 Machining apparatus for precise turning of an outside surface |
| 04/25/1991 | DE4031428A1 Tool for machining out ring liners - has tool-bit guided by mechanical follower running on outer surface of ring |
| 04/23/1991 | US5009136 Turning machine |
| 04/16/1991 | US5007778 Portable power tool for milling tube ends |
| 04/11/1991 | DE3919988A1 Underfloor railway wheel turning system - involves integration of NC turning, wheel inspection and measurement, vehicle handling and computerised optimisation |
| 04/11/1991 | DE3919987A1 Underfloor reconditioning system for railway wheels - involves use of combined underfloor inspection and turning installation for complete vehicle wheel sets |
| 04/04/1991 | DE3931747A1 Wheel set machining lathe with contact rollers - has two wheel tyre abutting roller units so positioned that their compression force axes coincide with gravity axis in single plane |
| 04/03/1991 | EP0420244A1 Apparatus for machining a non-circular workpiece |
| 04/02/1991 | US5004383 Tube reaming and deburring device |
| 03/27/1991 | CN2073781U Self-profile cutting implements |
| 03/26/1991 | US5002546 Curved bore drilling apparatus |
| 03/21/1991 | WO1991003794A1 Method and apparatus for edging an optical lens |
| 03/21/1991 | WO1991003341A1 Pipe cutting and finishing machine |
| 03/20/1991 | EP0417446A1 3-Phases crankshaft machining |
| 03/19/1991 | US5000629 Self-centering plastic pipe router tool |
| 03/12/1991 | US4998957 Device for minimizing the thermal sensitivity of a machining apparatus |
| 03/07/1991 | WO1991002631A1 Pipe end dressing device |
| 03/05/1991 | US4997320 Tool for forming a circumferential projection in a pipe |
| 02/26/1991 | US4995286 Apparatus for removing flash from molded products |
| 02/14/1991 | DE3926605A1 Machining transition radii on mill rolls - involves roll stand mounted in machine to simultaneously form turn radii on complete roll set |
| 02/06/1991 | EP0411167A1 Installation for peeling and straightening for machining bar-shaped products like axles, wire and tubes or the like |
| 01/29/1991 | CA1279508C Bearing arrangement for portable lathe |
| 01/24/1991 | WO1991000790A1 Pipe end preparation tool having improved torque reacting and clamping capabilities |
| 01/23/1991 | CN2069763U Special fixture adapted for cutting end face of box wrench |
| 01/22/1991 | US4986149 System for final balancing of cast metal brake drums |
| 01/16/1991 | CN2069319U Force-limiting movable support |
| 01/15/1991 | US4984488 Method of securing cutting elements on cutting tool blade |
| 01/10/1991 | DE4019784A1 Machine for finish machining of oval workpieces - has workpiece motion derived from gear train with simple linear and rotational movements |
| 01/10/1991 | DE4019705A1 Machine for finish machining of oval workpieces - has workpiece motion derived from transmission consisting of simple mechanical elements |
| 01/10/1991 | DE3920969A1 Universal milling cutter, esp. for spherical machining - has system of dovetail slides and locking screws permitting accurate radial and axial tool adjustment |
| 01/10/1991 | DE3902690A1 Economy turning method by means of an underfloor wheel lathe |
| 01/08/1991 | CA1278743C Method and device for scraping the outer surface of a tube |
| 01/03/1991 | DE4019704A1 Machine for boring holes of elliptical cross-section - has tool guided by two connected revolving arms |
| 12/26/1990 | CN1010923B Lathe for machining balloon-shaped bockets in a workpiece |
| 12/19/1990 | CN1047821A Four-in-one numerical-display turning method |
| 12/18/1990 | US4978260 Cutting tool for removing materials from well bore |
| 12/12/1990 | CN2067196U Roll pass working tool and its cutter grinding device |
| 12/11/1990 | US4976572 Method and automatic machine for machining coiled stock |
| 12/05/1990 | EP0248068B1 Apparatus for the formation of holes |
| 12/04/1990 | US4975001 Plastic pipe reboring tool |
| 11/29/1990 | WO1990014198A1 Manual tool for preparing tube ends for jointure |
| 11/28/1990 | EP0399089A2 Vertical portable lathe |
| 11/22/1990 | DE3936176C1 Parting-off and chamfering tube stock - involves separate parting-off and chamfering tools |
| 10/31/1990 | EP0394915A1 Workpiece holding device |
| 10/31/1990 | EP0394454A1 Surface notching |
| 10/31/1990 | CN2064692U Rotary dc electric welder commutator turning device |
| 10/30/1990 | US4966506 Welding tip dresser |
| 10/30/1990 | US4966504 Electrode tip dresser and holder assembly |
| 10/30/1990 | US4966375 Lathe chuck for offecenter workpiece rotation |
| 10/30/1990 | CA1275562C Apparatus for finishing pistons and the like and method therefor |
| 10/29/1990 | WO1990013383A1 Strip threading tension monitoring system |
| 10/29/1990 | CA2053267A1 Strip threading tension monitoring system |
| 10/24/1990 | EP0393601A2 Holder for optical fiber end-processing device |
| 10/24/1990 | CN2064275U High efficiency and power saving mchine tool for quartering screw of water meter cover |
| 10/23/1990 | US4964321 Ball turner for turning lathes |
| 10/18/1990 | WO1990011859A1 Process and device for machining workpieces to shape |
| 10/18/1990 | DE3911986A1 Verfahren und vorrichtung zur formgebenden bearbeitung von werkstuecken Method and apparatus for forming machining of workpieces |
| 10/10/1990 | EP0391630A2 Device for minimizing the temperature of precision apparatus |
| 10/10/1990 | CN2063450U Multi-function ellipse lathe |
| 10/03/1990 | CN1009810B Lathe used for machining in-situ locomotive wheel |
| 09/27/1990 | DE3942543C1 Drying cylinders for paper machines - are machined inside and out on same setting of machine tool |
| 09/26/1990 | EP0366653A4 Tube end finishing machine |
| 09/26/1990 | CN1045545A Cutting method and device for high-precision ultra-length single arc spiral rod |
| 09/25/1990 | US4958542 Fiberglass tube end tapering device |
| 09/11/1990 | US4955263 Pipe end preparation tool having improved torque reacting and clamping capabilities |
| 09/06/1990 | DE3906565A1 Arcuate structural element |
| 09/05/1990 | CN1045053A Apparatus for processing irregular excircle of piston |
| 09/04/1990 | US4953377 Method and apparatus for cutting and deburring tubes |
| 08/28/1990 | US4952103 Oil burner nozzle adaptor resurfacing tool and method |
| 08/28/1990 | US4951534 Below-floor lathe for regrinding the tires of railroad-vehicle wheel sets |
| 08/23/1990 | WO1990009252A1 Apparatus for machining cylindrical objects |
| 08/23/1990 | DE4003148A1 Re-profiling wheels of railway rolling stock - by machining from outer edge of rim inwards to wheel flange |
| 08/21/1990 | US4950109 Milling and countersinking fixture |
| 08/14/1990 | US4947533 Manufacturing method of disk for belt-driven continuously-variable-speed drive |
| 08/08/1990 | EP0381155A1 Apparatus for machining a non-circular workpiece |
| 08/08/1990 | EP0380919A1 Underfloor wheelset lathe for reprofiling the wheels of railway wheel sets |
| 08/01/1990 | CN2059859U Pipe mouth lathe |
| 07/11/1990 | CN1008706B Process for finishing guide roller |
| 07/10/1990 | US4939964 Low-clearance pipe lathe |
| 07/10/1990 | US4939963 Fixture for precision turning of a lateral surface |
| 07/10/1990 | CA1271315A1 Process of replacing a sleeve mounted within a pipe, and devices for carrying out that process |
| 07/04/1990 | EP0375855A1 Power-operated jaw chuck for eccentrically tensioning work pieces, especially crankshafts |
| 07/03/1990 | US4938291 Cutting tool for cutting well casing |
| 06/28/1990 | DE3942332A1 Bar stock shaving machine with centreless work rotation |
| 06/27/1990 | EP0374916A2 Guide device |
| 06/26/1990 | CA1270667A1 Lathe for machining balloon-shaped pockets in a workpiece |
| 06/20/1990 | CN1043101A A chamfering tool with a cutting knife |
| 06/19/1990 | US4934224 Strip threading tension monitoring system |
| 06/05/1990 | US4930946 Chamfering reamer with trip shoulder |
| 06/05/1990 | US4930380 Method of repairing rolls of rolling mill and roll cutting apparatus |
| 05/31/1990 | WO1990005605A1 Method and apparatus for cutting an aspheric surface on a workpiece |
| 05/30/1990 | EP0370788A2 Method and apparatus for cutting an aspheric surface on a workpiece |
| 05/30/1990 | EP0370210A2 Deburring tool with cutting blades |
| 05/30/1990 | CN2057605U Multiple thread-treating device attached to automatic multi spindle lathe |
| 05/29/1990 | US4928561 Method and apparatus for ultra-precise machining applied to executing atypical surfaces of revolution and to servo-controlled machining |