| Patents for B23Q 11 - Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools (20,102) |
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| 08/21/1991 | EP0442542A2 Machining apparatus |
| 08/21/1991 | EP0441780A1 Component control apparatus in measuring machines. |
| 08/20/1991 | US5041056 Chop cutting apparatus |
| 08/20/1991 | US5040379 Temperature controller of liquid cooling system |
| 08/14/1991 | EP0441170A1 Chip crusher |
| 08/13/1991 | US5038488 Protective arrangement for a longitudinally extendible machine component |
| 08/08/1991 | WO1991011297A1 Hand machine-tool with radial fan |
| 08/08/1991 | DE4100979A1 Angle grinder oil seal - has dynamic and static portions functionally when running and stopped respectively |
| 08/08/1991 | DE4003029A1 Handgefuehrte werkzeugmaschine mit radialgeblaese Guided hand machine tools with radialgeblaese |
| 08/07/1991 | EP0440096A1 Spindle arrangement for workpieces for a lathe |
| 08/06/1991 | US5036895 Wood copying machine |
| 08/01/1991 | DE4002568A1 Swarf removal extractor for saw - blows dust into exhausting air current from accumulation area |
| 08/01/1991 | DE4002453A1 Workpiece spindle arrangement for hollow-spindle rotary machine - is cooled by liq. supplied through interconnected channels with communication between rotor and rotary supply part |
| 07/31/1991 | EP0438611A1 Rotation-preventing locking device for a rotating component, especially for a cutting tool |
| 07/30/1991 | CA1286878C Chip remover for machines which perform cutting operations, especially on metal workpieces |
| 07/25/1991 | DE4023898C1 Grinding machine for spectacle lenses - has self-generated air curtain shielding face of observation window |
| 07/23/1991 | US5034041 Tent-free apparatus for particulate contamination control |
| 07/23/1991 | US5033917 Chip extraction apparatus |
| 07/23/1991 | US5033340 Apparatus and method for tool vibration damping |
| 07/23/1991 | US5033238 Dental technician's work station |
| 07/23/1991 | US5033192 Hand-held tool with cutting or grinding disk |
| 07/16/1991 | US5031678 Mortising machine |
| 07/11/1991 | DE4000172A1 Drilling tool for removal of fluids from containers - gas cylindrical housing acting as exhaust chamber and fitted with valve and provide gas-tight seal |
| 07/10/1991 | EP0436453A1 Tool-unit with sensing device |
| 07/10/1991 | EP0436427A1 Machine tool with spindle or rotary tool |
| 07/10/1991 | EP0436403A1 Anti-kickback device for a wood processing machine |
| 07/09/1991 | US5029416 Electronic brake for lens generator device |
| 07/06/1991 | CA2033622A1 Tool holder assembly with a sensing device |
| 07/04/1991 | DE3942825A1 Servo-drive with angle measurer - measuring rotation of setting shaft and located on latter between reduction gearing and stop brake |
| 07/03/1991 | EP0435821A1 Hand tool equipped with a milling or grinding disc |
| 07/02/1991 | US5028180 Six-axis machine tool |
| 07/02/1991 | US5027873 Balancing of tooling for a wood lathe |
| 06/27/1991 | DE3941957A1 Power driven cutting tool - has hood fitted over cutting disc. swivelable in peripheral direction |
| 06/26/1991 | EP0434295A2 Dust extraction for drill |
| 06/26/1991 | EP0433534A1 Bellows |
| 06/26/1991 | CN1052443A Manually controllable lathe |
| 06/25/1991 | US5026221 Rotary cutting tool |
| 06/25/1991 | US5026220 Device for supplying lubricating-and-cooling agent to cutting tools |
| 06/25/1991 | US5025914 Feed-screw support structure |
| 06/20/1991 | DE3941203A1 Self-adjusting X=ray device - has active device part and position member activated by coupled counter balance |
| 06/19/1991 | EP0432408A1 Device for application of a lubricant suspension containing graphite |
| 06/18/1991 | US5024562 Pressure foot for printed circuit board drilling machine |
| 06/13/1991 | WO1991008073A1 Board holder in printed board boring machine |
| 06/13/1991 | WO1991008070A1 Shroud for the working area of a machine tool |
| 06/11/1991 | US5022800 Rapid advance feed drill with idle mode |
| 06/11/1991 | US5022798 Thrust-responsive two-speed drill and method of operation |
| 06/11/1991 | US5022793 Scrap collection system |
| 06/11/1991 | US5022686 Rotating union for two different fluids |
| 06/11/1991 | US5022628 Mounting for machinery |
| 06/11/1991 | US5022494 Heat exchanger for oil |
| 06/11/1991 | US5022469 Exhaust means for pneumatic power tool |
| 06/06/1991 | DE3939487A1 Arbeitsraumabdeckung fuer werkzeugmaschinen Working area cover for machine tools |
| 06/06/1991 | DE3939374A1 Machining of thermoplastics - with application of liquefied gas coolant at the point of contact with machining tool |
| 06/05/1991 | CN1051874A Apparatus for coating graphitiferous lubricant suspension |
| 06/04/1991 | US5020607 Lug-removing pneumatic impact-gun air blast-deflector |
| 06/04/1991 | US5020352 Roller screening apparatus |
| 05/29/1991 | EP0429013A2 Angle drive grinder with dust extraction |
| 05/29/1991 | EP0428945A2 Control device for programme controlled machine-tool |
| 05/29/1991 | EP0428841A1 Flame-cutting machine water table with underwater-plasmacutting installation, especially for aluminium processing |
| 05/21/1991 | US5017060 Rotary cutting tool |
| 05/21/1991 | US5016335 Tapping attachment for a punch press |
| 05/16/1991 | DE4010971C1 Combination electro-tool and suction appts. - has monitoring circuit connected to test circuit checking site of operating switch |
| 05/16/1991 | DE3943546A1 Computer controlled portal frame type polishing machine - has five-axis CNC movement of head with fine pressure control and axial oscillation of MOP |
| 05/16/1991 | DE3937305A1 Guide rail for portable cut-off tool - has blade passing through slot in top hat section rail so that dust can be extracted from rail |
| 05/16/1991 | DE3937216A1 System for cutting fluid application in machining - has high pressure pump fed from charging pump to avoid entrapment of air |
| 05/16/1991 | CA2030109A1 Device for applying graphitic lubricant suspensions |
| 05/15/1991 | EP0426808A1 Tool assembly with a hydraulic chip-breaking fluid system. |
| 05/14/1991 | US5015818 Magnetic collector for FTM laser weld debris and method |
| 05/08/1991 | EP0426321A1 Drill having dust collecting device |
| 05/08/1991 | EP0425881A1 Machine tool |
| 05/08/1991 | EP0425836A2 Method for manufacturing a telescopic covering |
| 05/08/1991 | EP0425817A2 Manufacturing method for a telescopic covering |
| 05/08/1991 | EP0425492A1 Hand-held power-tool with enclosed-ventilation drive motor. |
| 05/07/1991 | US5013884 Water table for a thermal-cutting machine, especially for processing aluminum, with an underwater plasma-based cutting system |
| 05/07/1991 | US5012852 Barrier assembly |
| 05/07/1991 | US5012846 Cutting tool guard for a cutting machine |
| 05/07/1991 | US5012759 Apparatus for hot gas spray deposition of coatings on products in the form of bodies of revolution |
| 05/07/1991 | US5012583 Compass saw |
| 05/02/1991 | DE4026609C1 Casing for guide track telescopic covers - has each side wall with longitudinal slit on edge adjacent to front wall |
| 04/30/1991 | US5010789 Method of making imbalanced compensated drill bit |
| 04/24/1991 | EP0423914A1 Gear type tool |
| 04/18/1991 | WO1991004811A1 Device for processing materials by cutting |
| 04/17/1991 | EP0423069A2 Cutting head for use in a non-contact cutting process |
| 04/16/1991 | US5007776 Controller for boring apparatus |
| 04/16/1991 | US5007276 Seal arrangement for use in a press assembly |
| 04/10/1991 | EP0421155A2 Drilling device |
| 04/09/1991 | US5006740 Insulated cooling boot for power tool |
| 04/09/1991 | US5006685 Machine tool with grinding function and truing/dressing method of grinding stone using it |
| 04/09/1991 | US5006021 High pressure gas drilling |
| 04/04/1991 | DE3932158A1 Use of known welding anti-spatter agent as coolant and lubricant - in machining steel enables high cutting speeds to be maintained safely and economically |
| 04/03/1991 | EP0420039A2 Cleaning device for the holding shank of a tool or tool-holder |
| 04/03/1991 | EP0419803A1 Telescopic covering |
| 04/03/1991 | CN1050348A Extension-type shelter-cover |
| 04/02/1991 | US5004382 Portable |
| 04/02/1991 | US5004054 Electric drill with speed and torque control |
| 04/02/1991 | US5004027 Biscuit joiner |
| 04/02/1991 | US5003729 Support system for abrasive jet cutting |
| 03/28/1991 | DE3931141A1 Chip collecting unit for spindle moulder - consists of box housing on table |
| 03/28/1991 | DE3931075A1 Swarf free underwater service machining for nuclear reactor parts - has tank with work piece machined, from beneath by tool holer with traverse mechanism and interchangeable cutters |
| 03/28/1991 | DE3930787A1 Lathe tool turret with traversing milling unit - avoids need for third machine axis by providing unit with cross-traverse |