| Patents for B24B 19 - Single purpose machines or devices for particular grinding operations not covered by any other main group (7,169) |
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| 07/23/1991 | US5033237 Method of numerically controlled profile grinding |
| 07/20/1991 | CA2034647A1 Method for constructing optical switch |
| 07/18/1991 | CA2034314A1 Surface treatment of sheet-or plate-like blanks |
| 07/17/1991 | EP0437329A2 Suture needle and method of and apparatus for grinding material for suture needle |
| 07/17/1991 | EP0436837A1 Apparatus for machining the interior of a conical connector used in a dental prosthesis |
| 07/16/1991 | US5031303 Methods and device for accurately positioning a roller segment for the purpose of finishing its pivoting bearing surface, and a method for machining the seats of device of this kind |
| 07/09/1991 | US5031107 Numerical control apparatus for machining non-circular workpieces |
| 07/03/1991 | EP0435815A1 Lapping of involute spiral scroll element |
| 07/02/1991 | US5027563 Work transfer device of grinding machine |
| 07/02/1991 | CA1285409C Methods of and apparatus for reconfiguring optical fiber connector components and products produced thereby |
| 06/26/1991 | EP0434533A1 Machine for the superfinishing of shafts, particularly camshafts |
| 06/25/1991 | US5025595 Method and device for finishing a concave spherical bearing surface on a roller segment, particularly for a homokinetic joint |
| 06/19/1991 | EP0432703A2 Process for grinding concave surfaces on casted pieces and device for the application of the process |
| 06/12/1991 | CN2078670U Grinder for outer ring double channel of double race ball bearing |
| 06/05/1991 | EP0430090A2 Method and apparatus for honing aircraft blades |
| 06/05/1991 | EP0429449A1 Fixing system |
| 05/31/1991 | CA2029976A1 Method and apparatus for honing aircraft |
| 05/29/1991 | DE4015569C1 Cam shaft grinding machine - has piston and cylinder assembly with supply circuit and overflow line |
| 05/28/1991 | US5018316 Polishing fixture for optical fiber of push-pull connector |
| 05/28/1991 | US5018313 Roundness processing device of a slipper surface of a rocker arm |
| 05/21/1991 | US5016397 Method and apparatus for removing wrappers from coin rolls |
| 05/21/1991 | CA2131441A1 Tool guide and contour sander for use therewith |
| 05/08/1991 | DE4035374A1 Superfinishing method for groove profile - has swing axis of stone inclined to line of groove to allow simultaneous finishing of full profile |
| 05/08/1991 | DE4034146A1 Belt grinder for cam surfaces - has accurate line contact surface generation by substituting roller supported abrasive belt for follower roller |
| 05/02/1991 | EP0424815A1 Automatic engraving machine, particularly for engraving the faces of plate-like elements in general and of glass plates in particular |
| 05/01/1991 | CN2076008U Vertical spindle round table multipurpose grinder |
| 04/25/1991 | DE4015431C1 Finishing grinding machine for camshaft cams - has grinding contact stabiliser for each grinding stone holder with two chambers |
| 04/24/1991 | EP0423146A1 Grinding workpieces. |
| 04/16/1991 | US5008509 Production method of honeycomb die-forming electrical discharge machining electrodes and production method of honeycomb dies |
| 04/16/1991 | US5007209 Optical fiber connector polishing apparatus and method |
| 04/10/1991 | EP0421926A1 Plug for an optical fibre |
| 04/09/1991 | US5005320 Method and apparatus for tapering an end of an elongated object |
| 04/03/1991 | EP0419699A1 Method for manufacturing an optical fibre connector |
| 04/03/1991 | CA2025589A1 Connector for an optical fibre |
| 03/27/1991 | EP0418768A2 Stamping die and method of manufacture |
| 03/26/1991 | US5001868 Apparatus for grinding a point on a tungsten electrode |
| 03/21/1991 | WO1991003794A1 Method and apparatus for edging an optical lens |
| 03/21/1991 | DE4017751A1 Rocker lever-machining equipment - has clamp pivoting on axis parallel to grinder heel end face |
| 03/20/1991 | CN2073346U Multi-function oval grinder |
| 03/19/1991 | US4999955 Method and apparatus for conically machining optical fiber connectors |
| 03/19/1991 | US4999952 Method and apparatus for manufacturing K-files and reamers |
| 03/13/1991 | EP0416151A1 Grinding head for producing internal profiles |
| 03/07/1991 | WO1991002994A1 Optical fiber connector which provides a high signal return loss |
| 02/26/1991 | CA1280608C Abrasive belt grinding machine |
| 02/20/1991 | CN2071561U Adjustable combined multi-kind machine for grinding sharp-point |
| 02/20/1991 | CN2071560U Three jaws chuck jack catchs positioning and grinding device |
| 02/19/1991 | US4993191 Roller cam microfinishing tooling |
| 02/12/1991 | US4991922 Optical fiber coupler and method |
| 02/12/1991 | US4991356 Ultra-precision grinding machine |
| 02/12/1991 | US4991355 Apparatus for sharpening points |
| 02/07/1991 | DE4022009A1 Grinding and polishing small spherical lenses - involves working lens surface against abrasive layer flowing over conical mouth of rapidly rotating tube |
| 02/07/1991 | DE3925624A1 Machining turbine blade blanks - involves rectangular U=section block with blank clamped to allow access for machining ends |
| 01/24/1991 | DE4003409A1 Abrasive belt grinding machine - has abrasive belts guided along variable path according to cam contour desired by shoes engaging belts |
| 01/16/1991 | EP0318521B1 Tangential grinding machine |
| 01/15/1991 | US4984395 Grinding device and method for grinding card clothing |
| 01/08/1991 | CA1278713C Connector for optical fiber |
| 01/02/1991 | EP0406224A1 Device for the machining of workpieces and mode of application of the device |
| 12/27/1990 | EP0404020A1 Turbine blade repair |
| 12/27/1990 | CA1278209C Method for the manufacture of a material in the form of sheets or a web provided with a watermarklike pattern |
| 12/25/1990 | US4979334 Optical fiber end-surface polishing device |
| 12/20/1990 | DE3926233C1 IC engine cam shaft grinder - has four equi-spaced valve cams per cylinder to form pattern for chucked shaft, and collet-type holder pairs for grinding tools |
| 12/20/1990 | DE3919555A1 Grinding and polishing tool with wear compensations - has continual screw adjustment of abrasive roll towards dressing roll and workpiece |
| 12/20/1990 | CA2019226A1 Apparatus for use in the repair of machines |
| 12/18/1990 | US4978193 Optical fiber connector which provides a high signal return loss |
| 12/18/1990 | US4977709 Abrasive wheel |
| 12/18/1990 | CA1277839C Polishing apparatus |
| 12/13/1990 | DE3918847A1 Grinding inner surface of circular arc - involves adjustable pendulum movement of grinding roll to produce work of varying radius |
| 12/12/1990 | EP0401830A1 Method and apparatus for manufacturing k-files and reamers |
| 12/11/1990 | US4976070 Adjustable cam |
| 12/05/1990 | EP0401012A2 Curved surface rubbing apparatus |
| 12/05/1990 | EP0400901A2 Belt grinding assembly |
| 12/04/1990 | US4974367 Method of an arrangement for grinding workpieces with profiles |
| 11/27/1990 | CA1276790C Cutter assembly and process |
| 11/22/1990 | EP0398717A2 Method and apparatus for surface marking |
| 11/22/1990 | EP0397955A1 An abrasive wheel |
| 11/20/1990 | CA1276655C2 Production of paper with decorative, non-rectilinear edges |
| 11/15/1990 | DE4004664C1 Appts. for grinding polishing light waveguide - includes waveguide holder held at angle and carrier |
| 11/13/1990 | US4969914 Airplane window polishing device |
| 11/06/1990 | US4967518 Fiber optic terminus grinding and polishing machine |
| 11/06/1990 | US4967513 Belt sanding machine |
| 10/31/1990 | EP0394523A1 Method and device for producing mantle surfaces having closed or broken shapes |
| 10/28/1990 | CA2009590A1 Roller cam microfinishing tooling |
| 10/17/1990 | EP0392829A1 Drum brake assembly |
| 10/16/1990 | US4963805 Numerical control apparatus for machining non-circular workpieces |
| 10/04/1990 | DE3913378C1 Grinding dust removal system - uses rotating flexible roller pressed against workpiece |
| 10/02/1990 | US4961121 Air bearing slider rail design with trumpet-shaped rail portion |
| 09/27/1990 | DE3930825A1 Kugelkonstruktion eines kugelgelenks und verfahren zu dessen herstellung Ball of a ball joint construction and method of producing the |
| 09/26/1990 | EP0389221A1 Production method of honeycomb die-forming electrical discharge machining electrodes and production method of honeycomb dies |
| 09/18/1990 | US4956946 Numerically controlled grinding machine |
| 09/11/1990 | CA1273800A1 Curling stone sharpening device |
| 09/05/1990 | EP0385069A2 Device for grinding the points of tungsten electrodes |
| 09/04/1990 | US4953325 Thread grinding attachment |
| 08/29/1990 | CN2061106U Convex grinding device for grinding roller body |
| 08/28/1990 | US4951420 Polishing apparatus |
| 08/28/1990 | CA1273207A1 Apparatus for abrasively treating the surfaces of automobile bodies |
| 08/23/1990 | WO1990009207A1 Reduction of the diameter of a male connector part for a pacemaker |
| 08/21/1990 | CA1272895A1 Methods of and apparatus for reconfiguring optical fiber connector components and products produced thereby |
| 08/16/1990 | EP0382603A1 Grinding method comprising measuring a profiled grinding wheel, and machine for carrying out this method |
| 08/14/1990 | US4947588 Grinding tool |
| 08/08/1990 | EP0380722A1 Methods of and apparatus for reconfiguring optical fiber connector components and products produced thereby |