Patents
Patents for B24B 7 - Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor (8,400)
05/1988
05/04/1988EP0265758A2 Surface grinding machine
04/1988
04/27/1988EP0265109A2 Improvements in high speed floor burnishing machines
04/26/1988US4740348 Floating power trowel
04/13/1988EP0263532A2 Surface grinding machine
04/12/1988US4736475 Abrading machine for disk shaped surfaces
03/1988
03/30/1988EP0261658A1 Parquet-sanding machine
03/29/1988US4733500 Wood surface treatment method and system employing tandemly oriented cross-belts and rotary abraders
03/22/1988US4731956 Floor polishing machine
03/22/1988US4731895 High speed floor burnishing machine
03/16/1988CN87105313A Apparatus for processing end of tubular unit
03/09/1988CN87207080U Device for grinding sheet-metal strip surface
03/09/1988CN87202711U Stone grinder for grindstone machine
03/02/1988CN87202886U Portable diamond terrazzo machine
03/01/1988US4727686 Apparatus for finishing flat surfaces
03/01/1988US4727615 For applying a conditioning oil and buff finishing the surface
02/1988
02/24/1988EP0257013A2 Method and apparatus for mechanically grinding and polishing a surface of a mineral material, especially glass
02/23/1988US4726150 Face grinder
02/17/1988CN87202885U Diamond dresser for terrazzo
02/17/1988CN87202857U Multifunctional dresser for surface treatment of concrete wall
02/16/1988US4724567 Polishing and scrubbing pad
02/10/1988CN86210658U Self-adjustable terrazzo machine
02/03/1988EP0255476A1 Edge-grinding machine for plate glass
02/03/1988EP0254913A2 Apparatus and method for grinding sidewall areas of tires
02/03/1988CN87209592U Electric putty polisher
02/02/1988US4722533 Rotary, flat metallic fluid-tight and thrust-resisting seal and the method of manufacture thereof
01/1988
01/27/1988EP0254021A2 Device for working the ends of tubes
01/26/1988US4721241 Welding apparatus assembled together with grinding device
01/20/1988EP0253768A1 Method and machine for grinding a flat surface
01/19/1988US4719659 Rotary travelling surface treatment device
01/19/1988CA1231530A1 Method and apparatus for finishing surfaces
01/13/1988CN87201793U Mini end face grinding tool
01/07/1988EP0251988A1 Method of manufacturing a paper transport roller, and its use in a printing apparatus
01/06/1988CN87201953U Portable electromagnetic valve grinding machine
01/05/1988US4716686 Device for treating the edge zones of plate-shaped elements
12/1987
12/31/1987CN87201710U Planetary gear type abrasive belt grinding device for metal wire
12/30/1987CN87208852U Granding head with demountable diamond grinding strips
12/30/1987CN87204300U Portable multifunctional safe stone polisher with flexible shaft
12/17/1987DE3619849A1 Belt grinding machine
12/01/1987US4709513 Glass scratch removal method
12/01/1987US4709510 Floor sanding and polishing machine
11/1987
11/19/1987EP0245289A1 Polishing system with underwater bernoulli pickup.
11/10/1987US4704823 For deburring workpieces
10/1987
10/28/1987EP0242845A2 Abrasive-supporting head for honing machines
10/27/1987US4701976 High speed floor burnisher
10/14/1987EP0241417A1 Mobile surface treatment mechanism, in particular for treating floors in buildings
10/13/1987CA1227927A1 Brake system for cutters of surface cleaning cutter cage
10/08/1987WO1987005846A1 Machine and method of grinding molding die
09/1987
09/30/1987EP0239492A1 Flat rotary face sealing and method of manufacturing it
09/17/1987DE3608156A1 Apparatus for detecting the contact point between tool and workpiece of relatively inaccurate dimensions to produce relatively accurate working of a workpiece, in particular a workpiece made of glass
09/15/1987US4693036 Semiconductor wafer surface grinding apparatus
09/08/1987US4691480 Valve seat grinding apparatus
08/1987
08/26/1987CN86108903A Method and equipment for peripheral grinding the guide track of machine-tool with a frame planer
08/12/1987EP0231397A1 Grinder for core of optical connector and core grinding method
08/11/1987US4685845 Guide pad resurfacing apparatus
07/1987
07/14/1987US4679355 Apparatus for grinding a semifinished steel product
07/14/1987US4679354 Grinding machine for grinding or rasping of rubber items
06/1987
06/30/1987US4676029 Opposed endless belt grinding apparatus
06/10/1987CN86207711U Friction wheel type grindstone machine with planetary grinding lap
06/10/1987CN86202106U Portable safety grindstone machine with soft shaft
06/09/1987US4671018 Rigid disk finishing apparatus
06/03/1987CN86207743U Belt-driven terrazzo grinder with planet grinding head
06/03/1987CN86207710U Planet-gear driven terrazzo grinder
05/1987
05/27/1987DE3538853C1 Grinding process for a surface grinding machine
05/26/1987US4667445 Rotary grinding machine
05/21/1987DE3533856A1 Apparatus for producing hard discs of glass
05/20/1987CN86204886U Two-arm hydraulic ratio slave grinding machine for stone material treatment
05/19/1987US4665659 Grinder for grinding an end surface of a cylindrical workpiece
05/12/1987US4663890 Method for machining workpieces of brittle hard material into wafers
05/12/1987US4663889 Apparatus and method for grinding sidewall areas of tires
05/07/1987WO1987002608A1 Polishing system with underwater bernoulli pickup
05/06/1987EP0056023B1 Self-centering feed mechanism for an abrasive grinding machine
05/05/1987US4662124 Method of grinding a sapphire wafer
04/1987
04/29/1987CN86204864U Straight line micro-cutting device
04/28/1987US4660539 Method and apparatus for cutting and polishing marble slabs
04/22/1987EP0219227A2 Improvements in high speed floor burnisher
04/21/1987US4658485 Machine tool with articulated crossbeam
04/15/1987EP0218384A2 Adjustable grinding machine
04/14/1987US4656790 Burnishing method and apparatus for magnetic disk
04/01/1987EP0216197A1 Milling or grinding machine for finishing flat surfaces such as floors of stone, concrete or similar hard materials
04/01/1987CN85107203A Automatic balance rocker arm surface polisher
03/1987
03/31/1987US4653231 Polishing system with underwater Bernoulli pickup
03/26/1987DE3532903A1 Portal grinding machine with grinding wheel changing device
03/12/1987WO1987001321A1 Production of polished flat glass
03/03/1987US4646473 Method and apparatus for finishing surfaces
02/1987
02/25/1987CN85204320U Two-way terrazzo machine for building
02/12/1987WO1987000785A1 Grinder for core of optical connector and core grinding method
02/03/1987US4640553 Brake system for cutters of surface cleaning cutter cage
01/1987
01/27/1987US4638523 Air guard diffuser
01/14/1987EP0208671A1 Surfacing tool with rollers
01/13/1987US4635401 Duplex-head surface grinder
01/08/1987DE3523903A1 Floor-polishing machine
12/1986
12/30/1986US4631775 High speed floor burnisher
12/23/1986US4630884 Method and apparatus for monitoring optical fiber lapping and polishing
12/23/1986US4630407 Method for finishing a thermoplastic coating
12/10/1986EP0204398A1 Air guard diffuser in a floor polishing machine
12/10/1986CN85205754U Horizontal lapping machine for repairing worn vernier caliper
11/1986
11/26/1986EP0202792A1 Apparatus for cutting the contaminated surface of concrete
11/20/1986EP0201889A2 Machine for grinding the brake discs of motor-vehicles
11/20/1986EP0201810A2 Device for grinding a semi-finished product
11/18/1986US4622780 For maintaining a rotating tool in a desired orientation
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