Patents for B24B 41 - Component parts of grinding machines or devices, such as frames, beds, carriages or headstocks (11,542)
06/1991
06/18/1991US5024025 Electromagnets
06/11/1991US5022195 Method and apparatus for machining centering chamfers
06/04/1991US5020281 High speed rotary hand tool with adjustable head coupling
05/1991
05/28/1991US5018313 Roundness processing device of a slipper surface of a rocker arm
05/28/1991US5018309 Universal grinder
05/21/1991US5018071 Method and apparatus for controlling a grinder having a spindle with deflection sensor
05/14/1991US5014580 Centering stand for cylinder holder
05/08/1991DE3936385A1 Surface grinder with workpiece inversion facility - has two parallel magnetic tables that can be tipped facing to transfer and invert workpiece
05/02/1991EP0424815A1 Automatic engraving machine, particularly for engraving the faces of plate-like elements in general and of glass plates in particular
04/1991
04/18/1991DE3933863A1 NC slideway-type precision grinding machine - has grinding head with additional axes of movement to facilitate NC grinding of curved ways
04/03/1991EP0419460A1 Integral acoustic emission sensor for manufacturing processes and mechanical components
04/03/1991EP0274497B1 Process and device for grinding moulding blanks to size
03/1991
03/13/1991EP0416151A1 Grinding head for producing internal profiles
03/12/1991US4998852 Attachment tool for machine tools such as milling machines
03/06/1991EP0414985A1 Centering stand for cylinder
02/1991
02/27/1991EP0414347A1 Belt grinding machine for analytical specimens
02/27/1991CN2072001U Auxiliary plate device for abrasive belt machine table
02/26/1991US4995301 For holding and positioning reamers, bits
02/12/1991US4991356 Ultra-precision grinding machine
02/12/1991US4991354 Abrasive saw adjustable workpiece supporting frame
02/07/1991DE3925908A1 Precision surface grinding machine - has granite bed consisting of one-piece block with slideways attached
02/07/1991DE3925624A1 Machining turbine blade blanks - involves rectangular U=section block with blank clamped to allow access for machining ends
02/05/1991US4989373 Flat glass edging-bevelling machine
01/1991
01/31/1991DE3928113C1 Precision grinding machine tool holder - has top part swinging on horizontal axis while workpiece holder rotates on vertical axis
01/30/1991CN2070224U Tilting device for top of sand plate table of sand band machine and angle gauge device
01/23/1991EP0409050A2 Rotating mass dynamic balancing device in particular for grinding wheels
01/22/1991CA1279194C Apparatus for grinding a workpiece
01/16/1991EP0407783A1 Device for the infeed of the quill at machine tools, in particular flat grinding machines
01/09/1991EP0406775A2 Grinding machine
12/1990
12/27/1990EP0404020A1 Turbine blade repair
12/20/1990CA2019226A1 Apparatus for use in the repair of machines
12/11/1990US4977510 Computerized control system and method for balancers
12/05/1990EP0400901A2 Belt grinding assembly
11/1990
11/29/1990WO1990014196A1 Polishing process and polishing machine
11/27/1990US4972631 Oscillatory drive for fine-grinding machine
11/27/1990US4972630 Method of surface grinding of planar member
11/22/1990DE3916104A1 Polierverfahren und poliermaschine Polishing process and polishing machine
11/15/1990WO1990013396A1 Grinding apparatus
11/15/1990CA2054692A1 Grinding apparatus
11/13/1990US4969298 Apparatus for clamping bar-shaped cutters at a grinding machine
11/13/1990US4969296 Apparatus of surface grinding of planar member
11/07/1990EP0396067A2 Profile grinding device
10/1990
10/31/1990EP0395576A1 Cylindrical grinding machine with pivotable worktable
10/31/1990EP0395162A1 Tool for the working heads of polishing machines for stone material or the like
10/31/1990DE4011390A1 Grinding spindle unit for profile grinding machine - has arrangement of sleeves between spindle and grinding wheel mounting to compensate for thermal expansion
10/31/1990CN1046486A Method and apparatus for bevelling interior angles of sheets of coloured or non-coloured plain glass, plate glass or flattened glass, and product obtained
10/30/1990US4965965 Grinding head for surfacing and polishing stone, marbles and other hard materials
10/25/1990DE3911718A1 Brake disc grinding machine - has double gripper to transfer brake discs between conveyors and work station
10/24/1990EP0393349A1 Method and apparatus for bevelling interior angles of sheets of coloured or non-coloured plain glass, plate glass or flattened glass, and the product obtained
10/23/1990US4964839 Drive shaft with a coupling arrangement
10/23/1990US4964240 Piston ring grinder
10/16/1990US4963164 Machine for surface treatment with means for positioning processing tools
10/09/1990US4961291 Glass holder tool
10/09/1990US4961288 Apparatus for sharpening edge tools
10/09/1990US4961287 Wood jointer and planer blade sharpening holder
09/1990
09/25/1990US4958463 Optical surface quality improving arrangement
09/19/1990EP0387989A2 Grinding machine
09/18/1990US4956945 Internal grinder
09/12/1990EP0387130A1 Device for marking the crystal orientation and the rectification of a rod
08/1990
08/29/1990EP0384093A1 Plane grinder with stationary table
08/28/1990US4951422 External cylindrical grinding unit
08/28/1990US4951419 Flexible manufacturing system
08/22/1990EP0382821A1 Centreless circular grinding machine
07/1990
07/31/1990US4944119 Apparatus for transporting wafer to and from polishing head
07/17/1990CA1271636A1 Grinding head assembly
07/12/1990WO1990007401A1 Guide for use in a grinding device
07/10/1990US4939873 Ski grinding device
06/1990
06/27/1990EP0374550A2 Additional device, e.g. for a milling machine
06/27/1990EP0374151A1 Brush head for trimming or brushing machines.
06/26/1990US4936053 Lawn mower blade sharpener apparatus
06/19/1990US4934106 Grinding machine
06/19/1990US4934104 Cone tail chuck apparatus, and a method for using the same apparatus
06/13/1990EP0372376A2 Oscillating device
06/12/1990US4932794 Bearing segment for trunnion bearings
06/07/1990DE3840596A1 Grinding machine, in particular precision-grinding machine
05/1990
05/29/1990US4929130 Grinding wheel guard apparatus
05/29/1990US4928561 Method and apparatus for ultra-precise machining applied to executing atypical surfaces of revolution and to servo-controlled machining
05/29/1990US4928434 Equipment for lapping internal surfaces
05/23/1990EP0369849A1 Methods and precision-positioning device for a roller segment to finish its rolling surface, and method to work the supporting spots of this device
05/23/1990EP0369562A2 Apparatus for machining plate-glass
05/22/1990US4927304 Holder for rotary material removing tools
05/22/1990US4926602 Edge sander having adjustable support table or tables
05/16/1990EP0368648A2 External cylindrical grinding unit
05/16/1990EP0368050A1 Device for clamping knife bars on a grinding machine
05/15/1990US4926493 Bearing system for high speed spindles of machine tools
05/15/1990US4924632 Circular grinding machine
05/10/1990DE3930379A1 Flat item-sharpening mechanism - has magnets below inclined supports over which endless belts run
05/08/1990US4922662 Reciprocating jig adapter for grinding mills
04/1990
04/26/1990DE3915199C1 Grinder for vehicle brake discs - incorporates opposed grinding wheels and reciprocating spindles
04/17/1990US4916866 End mill sharpener
04/12/1990DE3834362A1 Machine tool with an elastic and dampening fastening of machine parts, such as in particular drive motors, functioning as auxiliary-mass dampeners
04/11/1990EP0363165A2 Apparatus for use in a grinding or dressing machine
04/10/1990US4914870 Process for automatically smoothing and polishing slabs or marble, granite, stones and the like
04/10/1990US4914867 Apparatus for processing end face optical fiber connector
04/04/1990EP0361802A2 A cone tail chuck apparatus, and a method for using the same apparatus
04/03/1990US4912881 Multiple angle dressing device for tools and stock
03/1990
03/27/1990US4911042 Method for machining shaft
03/20/1990US4908995 Rail grinding method and apparatus
03/20/1990US4908992 Chamfering machine, particularly for sheets of glass
03/15/1990DE3923997A1 Control system for magnetic bearing