| Patents for B23B 5 - Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor (6,203) |
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| 05/20/1992 | EP0486131A2 Fixture and method for machining rotors |
| 05/14/1992 | WO1992007684A1 Method of working polygon |
| 05/06/1992 | EP0484090A2 Mold assembly for making an ocular lens blank |
| 04/21/1992 | US5105691 Under-the-floor lathe |
| 04/15/1992 | CN1016240B Cutting apparatus for non circular cross section |
| 04/08/1992 | EP0479026A1 Machine for machining workpieces into a non-circular shape |
| 04/08/1992 | EP0479025A2 Device for the treatment of non-circular surfaces of work-pieces |
| 04/07/1992 | US5101557 Method for machining rotors |
| 03/31/1992 | US5099728 Swing arm brake lathe |
| 03/31/1992 | CA1298120C Process for machining tubular workpieces, and device for applying said process |
| 03/25/1992 | EP0476678A2 Method and apparatus for machining a non-circular workpiece |
| 03/25/1992 | EP0476083A1 Machining unit with rotary head carrying pivoting tools. |
| 03/25/1992 | EP0289575B1 Ultra-precise machining and method applied to the execution of atypic revolution surfaces and to servo-control machining |
| 03/17/1992 | US5095786 Method and apparatus for dampening brake lathe vibration |
| 03/11/1992 | CN2098340U Hand chamfering machine |
| 03/03/1992 | US5092205 Hand lathe apparatus |
| 02/26/1992 | EP0472253A2 Procedure and device for finishing rolls for hot-pilger milling |
| 02/19/1992 | CN2096432U Tube internal cavity processing machine tool |
| 02/18/1992 | US5088169 Shotgun shell trimmer |
| 02/12/1992 | EP0470190A1 Strip threading tension monitoring system |
| 02/11/1992 | US5086838 Tapered cutting tool for reaming tubular members in well bore |
| 02/06/1992 | WO1992001527A1 A tool for chamfering an end of a pipe |
| 02/04/1992 | US5085109 Machine tool for processing work piece into non-circular cross-sectional configuration |
| 01/30/1992 | DE4024043A1 Turning wooden balls on conventional lathe - involves steel holding members adjustable on guide bar with threaded spindle, avoiding need for re-chucking |
| 01/29/1992 | CN2094406U Special cut lathe |
| 01/29/1992 | CN1058161A Lathe for winding drum processing |
| 01/28/1992 | US5083484 Pipe end preparation tool having improved torque reacting and clamping capabilities |
| 01/22/1992 | CN1058081A Involute worm pair with straight generatrix contact cone and technological equipments for their manufacture |
| 01/21/1992 | US5081889 Workpiece machining system |
| 01/09/1992 | DE4116622A1 Pipe parting and edge chamfering machine |
| 01/08/1992 | EP0464331A2 Procedure and device for the generation of short chips at the internal burring of straight head welded pipes |
| 01/08/1992 | CN1057605A Grip device for round material |
| 01/08/1992 | CN1057604A 去皮机 Peelers |
| 01/07/1992 | US5078556 3-phase crankshaft machining |
| 01/02/1992 | EP0463347A1 Machine for cutting-off tubes and at the same time chamfering the formed tube ends |
| 01/01/1992 | CN1057418A Centreless radial guide apparatus for axial motive rod |
| 01/01/1992 | CN1057414A Holding apparatus for holding and aligning work |
| 12/31/1991 | US5076122 Tube end finishing tool |
| 12/31/1991 | US5076025 Land grinder mount |
| 12/27/1991 | EP0462325A1 Clamping unit for round material |
| 12/27/1991 | EP0462324A1 Clamping device for clamping work-pieces |
| 12/27/1991 | EP0462323A1 Peeling machine |
| 12/27/1991 | EP0462322A1 Guide for radial and centerless guidance of axially moving bars |
| 12/24/1991 | US5074176 Threading machine chuck |
| 12/19/1991 | DE4019340A1 Pipe-end machining equipment - has spring-loaded tool holder with feeler roller sliding radially on baseplate |
| 12/17/1991 | CA1293114C Rotary tool for outer working of rotation-symmetrical workpieces |
| 12/03/1991 | US5069095 Pipe centering apparatus |
| 12/03/1991 | US5069094 Tube end finishing machine |
| 11/28/1991 | WO1991017852A1 Cutting tool |
| 11/21/1991 | EP0456845A1 Method for profiling or reprofiling of railway wheels by machining |
| 11/20/1991 | CN2088913U Special cutting tool for cutting multi-thread worm and multiple thread |
| 11/14/1991 | WO1991017013A1 Portable machine tool |
| 11/14/1991 | DE4015198A1 Machine tool for simultaneous machining of both sides of workpiece - has two milling cutters which can be moved axially |
| 11/12/1991 | US5064320 Controlled depth cartridge case camfering tool |
| 11/05/1991 | USRE33732 Method of machining a workpiece in a turret lathe and an NC lathe for performing this method |
| 10/29/1991 | CA1291330C Threading machine chuck |
| 10/22/1991 | US5058327 Tubing and fitting stripper |
| 10/17/1991 | DE4011586A1 End preparation for bar peeling - uses profiled end mill in orbital path around bar end to produce starting section |
| 10/16/1991 | CN1055313A Multifunctional matching machine tool and cutting process thereof |
| 10/15/1991 | US5056390 Workpiece holding devices |
| 10/09/1991 | EP0451131A2 Method of constructing a parallel axis rotary piston machine |
| 10/09/1991 | CN1014215B Under-floor wheel lathe for reproducing wheel band of railway vehicles wheel sets |
| 10/09/1991 | CN1014214B Lathe for working brake pulley of wheel set dismantled from rail vehicle |
| 10/08/1991 | US5054972 Rotary tool for sharpening studs in snowmobile treads |
| 10/08/1991 | US5054342 Pipe machining apparatus |
| 10/08/1991 | US5054340 Apparatus for machining a non-circular workpiece |
| 10/03/1991 | WO1991014527A1 Machining unit with rotary head carrying pivoting tools |
| 10/02/1991 | CN2085692U Combined cutter arbor for cutting ultra long and thin shaft |
| 10/02/1991 | CN2085691U Special tool for cutting internal curved and spherical surfaces |
| 10/01/1991 | US5053971 Method and apparatus for edging an optical lens |
| 09/24/1991 | US5050310 Plastic-pipe ovality gauge |
| 09/18/1991 | CN1054554A Lathe for turning wheel set by doing not push out vehicle bottom for reshaping wheels rail vehicle wheel set |
| 09/18/1991 | CN1013938B Method and automatic machine for machining coiled stock |
| 09/11/1991 | EP0445518A1 Underfloor wheel lathe for reprofiling the wheels of railway-wheelsets |
| 09/04/1991 | EP0444380A1 Threading machine chuck |
| 09/04/1991 | CA2036142A1 Under-the-floor lathe for re-machining the wheels in railroad-vehicle wheel sets |
| 09/03/1991 | US5044721 Holder for optical fiber end-processing device |
| 08/28/1991 | CN1013650B Method of processing tin-lead welding wire and its cutting tool |
| 08/22/1991 | WO1991011962A1 Curved bore drilling apparatus |
| 08/21/1991 | EP0442540A2 CNC turning machine |
| 07/30/1991 | CA1287121C Forming unit for electrode chip of welder |
| 07/25/1991 | WO1991010532A1 Process and device for forming electrodes in a spot welding gun or the like |
| 07/24/1991 | CN2081327U Veneer cornea glasses cutting machine tool |
| 07/18/1991 | DE4029047C1 Method of machining angled rings - has tubular blank clamped in holder with axis at set face angle |
| 07/11/1991 | DE4020924C1 Method of deburring welded tube - has burr removed from tube surface and cut intermittently within tube |
| 07/04/1991 | DE4040520A1 Transmission shaft made of iron alloy - with outer hardened and inner relatively unhardened layers |
| 07/04/1991 | DE4000025A1 Device for machining workpieces to slightly elliptical section - is subject to hydraulic pressure control from computer operating on tool carrier position and angle measurements |
| 06/26/1991 | EP0338015B1 Method and apparatus for cutting and deburring tubes |
| 06/25/1991 | US5025842 Fence rail and method and apparatus of manufacturing the same |
| 06/25/1991 | US5025689 Method and apparatus for machining axially symmetrical parts |
| 06/20/1991 | DE3941783A1 Machine tool esp. for tube ends - uses cutter guided around tube periphery and has cog driving planetary wheels coupled to spindle driving cutter |
| 06/20/1991 | DE3941720A1 Machining end portion of wall of tube - involves rotating cutter mounted on rotating arm |
| 06/19/1991 | CN1052278A Working method for rubber round washer and equipment thereof |
| 06/11/1991 | US5022294 Cutting apparatus for a noncircular cross section |
| 06/11/1991 | US5022293 Method and working machine for producing surfaces of non-circular but regular cross sections |
| 06/06/1991 | DE3939935A1 Producing crank shafts - by machining simultaneously moving surface, side face, and recesses between surface and faces followed by hardening and final grinding |
| 06/04/1991 | US5020401 Universal plastic-pipe tool |
| 06/04/1991 | US5020221 Pipe chamfer and deburring tool |
| 05/21/1991 | US5017057 Apparatus for drilling a circularly curved bore |
| 05/14/1991 | US5014778 Milling tool for cutting well casing |