Patents
Patents for B28D 1 - Working stone or stone-like materials, e.g. brick, concrete, not provided for elsewhere; Machines, devices, tools therefor (14,003)
12/1998
12/09/1998CN1041065C Hollow drill bit with end cutting edge
12/08/1998US5845854 Method of solid insulator destruction
12/03/1998WO1998054540A1 Template for copying forms on ceramic pieces
12/03/1998DE19722123A1 Cable saw for stone or similar workpieces
12/02/1998EP0881048A1 Tool for for profiling edges of marble, granite, glass and plastic pieces or similar
12/02/1998EP0881023A2 Cutting tool with cutting teeth or abrasive cutting edge
12/02/1998CN2298921Y Electric tool for carving jade and stone materials
12/02/1998CN2298920Y Water joint of electric drill
12/02/1998CN2298919Y Double-beam swing arm disk stone sawing machine
12/02/1998CN1200321A Endless cutter-type saw
12/02/1998CN1040956C Tool and tool holder for hand-tool apparatus
12/01/1998US5842747 Apparatus for roadway surface reclaiming drum
11/1998
11/26/1998DE19754371C1 Milling machine for masonry
11/25/1998EP0879684A2 Cutting device for roofing plates
11/25/1998EP0879683A2 Diamond type cutting tool, with low noise emission, for sawing stone materials, and machine using said tool
11/25/1998CN2298115Y Multi-knife cutting machine tool for quartz crystal
11/25/1998CN2298114Y Cutting machine for mushroom stone
11/25/1998CN2298113Y Diamond saw web for processing stone material
11/25/1998CN1199660A Drilling tool
11/24/1998US5839423 Cutting disc
11/24/1998CA2013804C Drilling
11/18/1998EP0878283A1 Machine tool for stripping plaster and tiles off horizontal and vertical surfaces
11/18/1998EP0878261A1 Drilling tool
11/18/1998CN2297299Y Dust collector for reverse hanging drilling tool
11/18/1998CN2297298Y Single-arm bidirectional diamond circular sewing machine for working stone
11/18/1998CN1199358A Insertable tool and tool holder for drilling and/or impacting electric machine
11/17/1998US5837334 Large sized quartz glass tube, large scale quartz glass preform, process for manufacturing the same and quartz glass optical fiber
11/17/1998US5836808 Slicing machine with built-in grinder
11/17/1998US5836229 For forming a scribed line on a brittle plate
11/11/1998EP0876241A1 Portable machine with positioning device for the working of hard materials
11/05/1998DE19715937C1 Verfahren zur Herstellung rutschfester Fußbodenbeläge A process for producing non-slip floor coverings
11/04/1998EP0875625A2 Perfecting milling drum for scarifier machines
11/04/1998EP0874721A1 Concrete stone as well as a process for the preparation of such a concrete stone
11/04/1998CN2296264Y Guillotine plate stone edge cutter
11/04/1998CN2296263Y Mobile type stone gantry saw
11/03/1998US5830369 Reducing the volume of carbon dioxide generated
11/03/1998US5829423 Saw disk
10/1998
10/29/1998WO1998047680A1 Stiffened oscillating frame saw for cutting stone blocks
10/28/1998EP0873831A1 Power drill with core drill and centre drill
10/28/1998EP0873227A1 Process for the treatment of surfaces
10/28/1998CN2295588Y Stone cutter capable of changing cutting angles of edges
10/27/1998US5826808 Mobile compactor, pulverizer and cutting apparatus and method therefor
10/22/1998WO1998046405A2 Method for producing nonslip floor coverings
10/22/1998DE19752223A1 Wire saw
10/22/1998CA2286082A1 Method for producing nonslip floor coverings
10/21/1998EP0872297A1 Combination drilling tool
10/21/1998EP0871562A1 Improved superabrasive tool
10/21/1998CN1196287A Procedure for surface treatment of petrous materials
10/20/1998US5823240 Low profile hardwood flooring strip and method of manufacture
10/20/1998US5822893 Concrete crushing tongs
10/15/1998DE19715065A1 Method for cutting masonry stone to length
10/14/1998EP0870586A2 Slate cutting device
10/14/1998CN2294150Y Double-blade stone-cutting and shaping machine
10/13/1998US5820312 Device for transmitting impulse-like blows to a continuously rotatable tool bit
10/08/1998WO1998043794A1 Hand cutter
10/08/1998DE19714253A1 Saw gate for sawing stone block into plates
10/08/1998DE19713695A1 Saw installation with rotating table
10/08/1998DE19713625A1 Surface miller for planing building bricks
10/07/1998EP0869014A1 Process for making construction elements and elements made thereby
10/07/1998EP0868967A2 Procedure for the surface treatment of petrous materials
10/07/1998CN2293435Y Stone sawing machine work flat car block feeding lead screw preventer
10/06/1998US5817202 Composite moulding and method of making
10/01/1998WO1998043039A1 Breakdown device
09/1998
09/30/1998CN2292902Y Electric drill rotary hammering switching device
09/30/1998CN2292654Y Guide frame for ceramic tile cutter
09/29/1998US5813479 Trigger mechanism for impacting device
09/29/1998CA2040052C Rock drill
09/24/1998DE19734243A1 Parting-off slices from workpiece
09/23/1998EP0865856A2 Damping blade for cutting stone materials
09/23/1998EP0865854A1 Drill and or chisel tool
09/23/1998EP0678149B1 Method for reinforcing a masonry wall
09/23/1998CN2292008Y Stone drilling machine
09/23/1998CN2292007Y Saw disc for quarrying machine
09/22/1998US5810448 Self propelled saw
09/22/1998US5809985 Self propelled saw
09/22/1998US5809891 Hickey removal system
09/17/1998DE19710425A1 Abrasive cutting medium for cutting hard stone
09/17/1998DE19709771A1 Drill with hardened metal head for use on stone
09/16/1998CN2291282Y Electric hammerhead connecting assembly
09/16/1998CN1192957A 金刚石锯条 Diamond Saw Blade
09/16/1998CN1039845C Vibration cutting machine
09/15/1998US5806609 Manually operable tool for drilling and/or removing material in brittle and/or low ductile material
09/10/1998DE19712448A1 Cutting disc
09/09/1998EP0699115B1 Mounting means for grinding wheels
09/08/1998US5803071 Soft concrete saw
09/02/1998CN2289665Y Double-sided feed circular disc stone cutting machine
09/02/1998CN2289664Y Raising type double-deck inserted corner table top
09/01/1998US5799643 Slurry managing system and slurry managing method for wire saws
08/1998
08/27/1998WO1998036883A1 Tool for rock breaking and log splitting
08/26/1998EP0860552A2 Apparatus for roadway surface reclaiming drum
08/26/1998EP0860258A1 Method and device for distressing stones
08/26/1998CN1191505A Non-slip floor covering and process for producing it
08/26/1998CN1191504A Discharge hydraulic pressure destroying method
08/20/1998WO1998036129A1 Elliptical disc grinder
08/20/1998WO1998035802A1 Sawing machine for dividing blocks of stone material into slices
08/19/1998EP0858385A1 High speed cutting belt
08/19/1998EP0703852B1 Cable saw machine for cutting concrete bodies, walls, rocks or the like
08/19/1998CN1190612A Method for producing jadestone grain
08/19/1998CN1039549C Apparatus for cutting and excavating solids
08/18/1998US5794717 Rock drill percussion mechanism