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)
11/1984
11/20/1984US4483108 Drill bit for glass and ceramic structures
11/07/1984EP0124464A1 Wire saw for the profile cutting of stone, granite or the like
11/07/1984EP0094403A4 Rock breaking apparatus.
11/06/1984US4480627 Device for demolishing concrete piles
11/06/1984CA1177498A1 Device for cooling the bits of a cutting machine
10/1984
10/24/1984EP0122893A1 Excavating tool
10/02/1984US4474410 Power-driven, wedge-operated rock splitter
10/02/1984US4474164 Sawing machine for stone blocks
09/1984
09/27/1984WO1984003760A1 Method for splitting, respectively crushing solid materials, such as rocks, ores, concrete blocs or similar materials
09/26/1984EP0119597A1 Method and device for putting grooves into walls and the like
09/26/1984EP0119213A1 Cutting tool for use in the milling of, for example, asphalt roads
09/04/1984US4469281 Method and apparatus for disintegration of solidified bath material on the residues of prebaked anodes from aluminium electrolysis cells
08/1984
08/28/1984US4468159 Drill press and stand
08/22/1984EP0116403A1 Abrasive product
08/21/1984CA1172885A1 Milling tool for forming recesses in masonry, concrete and similar material structures
08/07/1984US4463989 Device for cutting a receptacle in pavement to receive plowable reflectors
08/07/1984US4463636 Holding fixture and trimmer for PC boards
08/07/1984CA1172273A1 Cutter bit holder
08/07/1984CA1172140A1 Machine for cutting curbstones, sidewalls and the like
07/1984
07/31/1984CA1171700A1 Boring devices
07/25/1984EP0113837A1 Device for drilling holes in flat formation into rock
07/24/1984US4461269 Stonecutter sprocket having replaceable carbide steel teeth
07/24/1984US4461268 Diamond saw
07/18/1984EP0113619A1 Device for cutting blocks of granite, marble, stone and other similar products
07/18/1984EP0113362A1 Brick manufacture
07/11/1984EP0113158A1 Improvements in cutting devices for tiles
07/10/1984US4458415 Hammer driven chopper
06/1984
06/26/1984US4456303 Machine and method for grooving pavement
06/20/1984EP0111117A1 Drilling tool for making an undercut inside a hole, and tiltable tool inserted into that drilling tool
06/05/1984US4453251 Error-correcting memory with low storage overhead and fast correction mechanism
06/05/1984US4452325 Composite structure for cutting tools
05/1984
05/29/1984US4451093 Tool for scarifying concrete
05/22/1984US4449877 Peg for engagement in countersunk section of a bore
05/08/1984US4446845 Self-contained gasoline driven portable masonry saw
04/1984
04/25/1984EP0106412A1 Device for cleaning products
04/24/1984US4444279 Drilling tool
04/24/1984US4444174 Tile parting devices
04/11/1984EP0105228A1 Apparatus for cutting up a tubular work piece consisting of rigid materials, in particular with an oval section, such as cast iron pipes
03/1984
03/27/1984US4438977 Apparatus for removing material
03/20/1984US4437526 Milling tool for forming recesses in masonry, concrete and similar material structures
03/20/1984US4437376 Apparatus for controlling and releasing pressure of a tool on a workpiece
03/15/1984WO1984000987A1 Cutting tool for use in the milling of, for example, asphalt roads
03/14/1984EP0102519A1 Paving stone or brick splitting device
03/14/1984EP0102364A1 Tile cutting apparatus.
03/13/1984US4436078 Apparatus for cutting stone panels
03/07/1984EP0101953A1 Abrasive cutting wheel
02/1984
02/29/1984EP0101470A1 Sealing arrangement and process for its provison on a chain-saw.
02/28/1984US4433871 Machine for cutting curbstones, sidewalls and the like
02/15/1984EP0100763A1 Stretching device for stone sawing blades
02/02/1984WO1984000320A1 Brick manufacture
02/01/1984EP0099791A2 Equipment for extraction of stone,marble or granite,especially from quarries and for roughing and squaring it
02/01/1984EP0099371A1 Instrument for the preparation of the removal of a bone material sample and hollow cylinder for the removal.
01/1984
01/31/1984US4428159 Portable, direct drive abrasive saw
01/18/1984EP0098798A2 Mobile surface working apparatus
01/10/1984US4425059 Process for removing a concrete covering
01/03/1984US4423855 Thermochemical drilling and separating process for Si02 containing minerals and device for carrying out the process
12/1983
12/27/1983CA1159477A2 Wedge arrangements and related means for mounting means, base members, and bits, and combinations thereof, for mining, road working, or earth moving machinery
12/21/1983EP0096585A1 An earth working machine
12/20/1983US4420909 Wafering system
12/13/1983US4420106 Method of and apparatus for damage-free scoring of refractory material
12/06/1983CA1158138A1 Adjustable hub mount for circular saw blade
11/1983
11/23/1983EP0094403A1 Rock breaking apparatus.
11/22/1983CA1157464A1 Bore undercutting tool
10/1983
10/26/1983EP0092128A1 Combined road milling and asphalt and concrete saw for a hydraulic excavator, backhoe loader and front loader
10/25/1983US4411324 Bore undercutting tool
10/18/1983CA1155320A1 Drill tool
10/05/1983EP0090274A2 Abrasive element obtained by electrolytic deposit of diamond
10/04/1983US4407263 Cutting blade
09/1983
09/28/1983EP0089499A1 Cutter tool for a cutting chain or a cutting belt
09/27/1983US4406274 Sound arrester of circular blade
09/20/1983US4405177 Apparatus for finishing surfaces
09/15/1983WO1983003073A1 Tile cutting apparatus
09/14/1983EP0088283A1 Device for a snow-grooming vehicle for packing and preparing the snow cover of a ski-run
09/07/1983EP0088034A1 Apparatus for cutting foamed plastic blocks
09/07/1983EP0087971A1 Apparatus for removing covering material from underwater pipelines
09/07/1983EP0087413A1 Tool for installing scarifier teeth
08/1983
08/31/1983EP0087085A2 Tool for undercutting bores
08/30/1983US4401876 Working gemstones
08/30/1983US4401003 Lead trimmer for printed circuit boards
08/18/1983WO1983002746A1 Sealing arrangement and process for its provision on a chain-saw
08/04/1983WO1983002553A1 Surgical instrument for bony tissues sampling by abrasion
07/1983
07/19/1983US4393856 Apparatus for milling building blocks
06/1983
06/21/1983CA1148571A1 Wedge arrangements and related means for mounting means, base members, and bits, and combinations thereof, for mining, road working, or earth moving machinery
06/09/1983WO1983001977A1 Rock breaking apparatus
05/1983
05/25/1983EP0079744A2 Clutch assembly for removing a severed wafer from an ingot
05/18/1983EP0079323A1 Cutting device for stones in the form of plates
05/18/1983EP0078920A2 Machine for driving a diamond-coated wire for cutting stones
05/17/1983US4383451 Apparatus and method for removing material
05/17/1983US4383394 Sample cutting device for irradiated components
05/04/1983EP0078041A2 Cutter chain for a stone cutting machine
04/1983
04/28/1983WO1983001523A1 Error-correcting memory with low storage overhead and fast correction mechanism
04/26/1983US4380991 Drilling device
04/26/1983US4380990 Portable core drill cutter for hard brittle sheets
04/20/1983EP0077204A2 Error-correcting memory with low storage overhead and fast correction mechanism
04/13/1983EP0076441A2 Method and apparatus for disintegration of solidified bath material on the residues of prebaked anodes from aluminium electrolysis cells
04/12/1983CA1144409A1 Reciprocated concrete surfacer member with shielded spring return
04/05/1983US4378782 Ceramic tile cutter
04/05/1983CA1144193A1 Tool mounting
03/1983
03/30/1983EP0075185A2 Dust evacuation for a hollow drill
03/17/1983WO1983000826A1 Tool for installing scarifier teeth