Patents
Patents for B24B 7 - Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor (8,400)
03/1991
03/20/1991CN2073344U Finishing machine for medical glass sheets
03/20/1991CN2073343U Dual machine for floor grinding and polishing
02/1991
02/21/1991WO1991001851A1 Floor polishing machine
02/06/1991EP0411643A2 Method of grinding a plate-like material and apparatus for carrying out the method
02/06/1991CN2070659U Double end face grinder with unequal-speed horizontal axle
01/1991
01/31/1991DE3928113C1 Precision grinding machine tool holder - has top part swinging on horizontal axis while workpiece holder rotates on vertical axis
01/17/1991DE3922928A1 Sanding machine for parquet floors - has sanding drum inclined at an angle of 10 deg to direction of travel of machine
01/02/1991CN1048184A Multiple strip laser crystal processing technology by disks
12/1990
12/26/1990CN2068036U Diamond terrazzo machine
12/26/1990CN1047997A Plane grinding machine using the end side of a grinding wheel for grinding vertical surface
12/25/1990US4980815 Apparatus for applying lane dressing to a bowling lane
12/19/1990CN2067629U Portable hydraulic terrazzo machine
12/05/1990CN2066792U Diamond grinding floor vehicle
11/1990
11/27/1990US4972630 Method of surface grinding of planar member
11/22/1990EP0398467A2 A slicing and grinding system for a wafer slicing machine
11/20/1990CA1276468C Apparatus and method for grinding sidewall areas of tires
11/14/1990CN2065534U Swing grinding head for stone swing-arm grinder
11/13/1990US4969914 Airplane window polishing device
11/13/1990US4969296 Apparatus of surface grinding of planar member
11/07/1990CN2065112U Lever counterweight rocker-arm stone-grinding machine
11/07/1990CN1046698A Cutting method for production of terrazzo boards
11/06/1990US4967725 Method and apparatus for manufacturing semiconductor wafers and cutting wire apparatus for use therein
11/06/1990US4967461 Method for manufacturing and handling thin wafers
10/1990
10/31/1990EP0395393A1 Abrading drum
10/31/1990EP0395256A2 Flat grind stage assembly for an automatic edge grinder
10/31/1990EP0395255A2 A seal assembly for a wafer grinding machine
10/31/1990EP0395162A1 Tool for the working heads of polishing machines for stone material or the like
10/25/1990DE3911718A1 Brake disc grinding machine - has double gripper to transfer brake discs between conveyors and work station
10/24/1990CN2064282U Suspending type flexibly linking machine for grinding terrazzo by use of emery sand
10/23/1990US4964242 Apparatus for texturing rigid-disks used in digital magnetic recording systems
10/23/1990US4964201 Descaling abrading apparatus with abrading rolls
10/03/1990CN2063065U Dustless pneumatic polisher
09/1990
09/26/1990EP0388972A2 Apparatus for grinding semiconductor wafer
09/19/1990EP0387259A1 Flywheel resurfacing method and apparatus.
09/05/1990CN2061501U Multifunctional movable grinding or polishing machine
09/04/1990US4953523 Quick release mechanism for the tool of a concrete/asphalt abrader
08/1990
08/29/1990EP0383910A1 Method and cassette for abrasive machining of the surface of parts
08/14/1990US4947598 Method for grinding the surface of a semiconductor wafer
08/08/1990EP0380832A1 Fabricating machine for the surface of glass plates
08/08/1990CN2060101U Spring direct-connected water mill machine
07/1990
07/18/1990CN2059389U Grinding machine with planets oscillation for grinding granite bloke
07/17/1990US4941865 Method and apparatus for forming metallized packaging material
07/17/1990US4941294 Grinding machine for belt materials
07/17/1990US4941293 Flexible rocking mount with forward pivot for polishing pad
07/17/1990US4941290 Apparatus for removing photographic images from a film member
07/10/1990US4940507 Polishing semiconductor wafers
07/10/1990US4939873 Ski grinding device
07/05/1990DE3843379A1 Method of manufacturing precisely plane-parallel bricks
06/1990
06/28/1990WO1990006834A1 Sanding machine
06/26/1990US4937394 Using phosphoric acid catalytic agent
06/26/1990US4936052 Machine and method of grinding molding die
06/22/1990CA2006366A1 Sanding machine
06/20/1990CN2058365U Rotary continuous milling and grinding machine for brick
06/19/1990US4934102 System for mechanical planarization
06/13/1990EP0372832A1 An apparatus for fabricating glass plates
06/06/1990EP0371130A1 Numerically controlled chamfering apparatus for glass plates
06/05/1990US4930259 Magnetic disk substrate polishing assembly
05/1990
05/29/1990US4928432 Rods precision cutting-off and end surface grinding machine
05/16/1990CN2057126U Floating diamond grinding head
05/09/1990CN2056887U Apparatus for grinding slideway of self guiding machine tool
05/01/1990US4920705 Method of abrasive powder descaling of a strip
04/1990
04/26/1990DE3915199C1 Grinder for vehicle brake discs - incorporates opposed grinding wheels and reciprocating spindles
04/24/1990CA1268010A1 High speed floor burnisher
04/18/1990CN2056112U Emery grinding wheel for terrazzo maker
04/11/1990EP0362516A2 System for mechanical planarization
04/10/1990US4914870 Process for automatically smoothing and polishing slabs or marble, granite, stones and the like
04/04/1990CN2055431U Machine for accurate cutting and end face grinding of pole materials
03/1990
03/20/1990US4908993 Grinding machine for reprofiling railheads
03/14/1990CN2054394U Sheathing board-repairing machine
03/08/1990WO1990002023A1 Flywheel resurfacing method and apparatus
02/1990
02/28/1990EP0355196A1 Rod cut-off and end surface grinding machine
02/21/1990CN2053132U Brick-milling machine
02/20/1990US4901477 Apparatus for abrasive machining
02/07/1990EP0353997A2 Grinding machine
02/01/1990DE3924772A1 Smoothing, grinding, and polishing machine head - has reciprocating ram inside head body and motion transfer to shafts with swing arms
01/1990
01/24/1990CN2051545U Artificial diamond triangular grinding head for making terrazzo
01/23/1990US4894957 Apparatus for abrasive machining of planar surfaces
01/23/1990US4894956 Apparatus and method for slicing a wafer
01/18/1990DE3823958A1 Stand for a machine tool
01/02/1990US4890420 Grinding machine
12/1989
12/28/1989DE3821559A1 Floor-working machine
12/27/1989CN2049984U Special diamond abrasive disk for hand rocker arm finishing machine
12/20/1989CN2049579U Double disc diamond grinder for terrazzo
11/1989
11/23/1989DE3816172A1 Machine for the facing and lapping of brake discs
11/21/1989US4881518 Apparatus for manufacturing and handling thin wafers
11/21/1989US4881347 Ski repairing machine
11/21/1989CA1263002A1 Air guard diffuser
11/16/1989DE3815326A1 Parquet edge-grinding machine
11/02/1989DE3813031A1 Machining device for the facing of program carrier disks for data stores
10/1989
10/17/1989US4873792 Polishing apparatus
10/11/1989EP0336059A1 A method of surface grinding of planar member
10/11/1989EP0336058A1 An apparatus for surface grinding of planar members
10/05/1989WO1989009113A1 Numerically controlled chamfering apparatus for glass plates
09/1989
09/26/1989US4869779 Hydroplane polishing device and method
09/26/1989US4869024 Arrangement for treating the running surfaces by skis
09/26/1989CA1260717A1 Abrasive surfacing machine
09/14/1989DE3844520A1 Method and apparatus for splitting up semiconductor ingots into semiconductor wafers with at least one plane surface
08/1989
08/30/1989CN2043543U Multifunctional, safety and energy-saving portable stone-grinding machine
08/29/1989CA1258772A1 Glass scratch removal apparatus and method
08/24/1989WO1989007508A1 Method and cassette for abrasive machining of the surface of parts
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