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)
04/1987
04/28/1987US4660539 Method and apparatus for cutting and polishing marble slabs
04/23/1987WO1987002302A1 Process and device for making deep cuts in concrete or similar material
04/23/1987DE3537206A1 Method and apparatus for making deep cuts in reinforced concrete, concrete and masonry or the like
04/22/1987EP0218744A1 Device for making a cylindrical hole through a wall, in particular for masonry
04/22/1987EP0099371B1 Instrument for the preparation of the removal of a bone material sample and hollow cylinder for the removal
04/07/1987US4655651 Drill bit for hand-held drilling machines
04/02/1987DE3532819A1 Method and device for flame-jetting natural and/or artificial stone types
04/01/1987EP0216707A1 Tile-cutting device, in particular faience
04/01/1987EP0215960A2 Creation of a parting zone in a crystal structure
03/1987
03/24/1987CA1219450A1 Cutting segment with porous center section
03/17/1987US4650375 Drill braking system
03/04/1987EP0212071A1 Supporting device for stone work at a band saw
03/04/1987CN85100772A Method of making large and medium steel moulds from blast-melted iron treated with trace rare-earths
02/1987
02/26/1987WO1987001152A1 Construction industry tool
02/26/1987WO1987001068A1 Abrasive cutting wheel body construction
02/26/1987DE3545737C1 Cartridge for expelling fluids under pressure
02/25/1987EP0211821A1 Manufacture process of construction elements, their reinforcing and means for their assembling
02/12/1987WO1987000882A1 Method and apparatus for installing marble panels
02/12/1987WO1987000801A1 Apparatus for engraving upstanding surfaces
02/12/1987WO1987000800A1 Machine for engraving upstanding surfaces
02/10/1987US4641628 Removable mount for cutting means
02/05/1987DE3623046A1 Compensating device for a frame which executes a reciprocating movement and acts as a support for the cutting knife of a cutting device
02/05/1987DE3537450C1 Apparatus for mounting stair strings
02/04/1987EP0210246A1 Alternating saw with two blade-holding frames
02/03/1987US4640553 Brake system for cutters of surface cleaning cutter cage
01/1987
01/31/1987CN85102195A Stone-milling machine
01/29/1987DE3526782A1 Apparatus for the artificial ageing and/or for breaking the edges of paving stones
01/28/1987EP0209918A2 Device for sawing plate material
01/22/1987DE3525633A1 Process for flame-cleaning concrete
01/22/1987DE3525197A1 Anchoring of a fastening element by filling the borehole with a hardenable binding agent
01/20/1987US4637370 Rotary saw blade
01/15/1987WO1987000116A1 Method and tool for punching plaster plates
01/15/1987WO1987000107A1 Rotating tool
01/07/1987EP0207871A1 Wire saw for the profile cutting of stone, granite and the like
01/06/1987US4634188 Rotary tool
01/06/1987US4633848 Endless saw and method for cutting annular rock bodies
12/1986
12/31/1986WO1986007560A1 Stone saw
12/30/1986EP0205430A1 Method for inner cleaning of a core bit with reversed fluid flushing and a core bit herefor
12/18/1986WO1986007300A1 Method for cutting to size a stack of sheet-like material
12/17/1986CN86202643U Portable drilling machine for glass and porcelain
12/16/1986US4629373 Polycrystalline diamond body with enhanced surface irregularities
12/16/1986US4628894 Core slabbing apparatus
12/16/1986US4628784 Glass scoring assembly
12/10/1986EP0204678A1 A cutting tool
12/03/1986EP0203123A1 Radially-operating roller/milling-cutter tool rotatably supported on a driven rotating eccentric.
12/02/1986US4625707 Core drill apparatus
12/02/1986CA1214796A1 Tool and method for breaking rock and similar material
11/1986
11/26/1986EP0202792A1 Apparatus for cutting the contaminated surface of concrete
11/25/1986USRE32292 Method of texturing concrete with deep texture hammer
11/25/1986US4625093 Stock removal by laser cutting
11/25/1986US4624237 Diamond saw
11/20/1986WO1986006672A1 Operating device for breaking up rock material
11/20/1986EP0202028A2 Milling cutter for cutting the radioactively contaminated surface of concrete
11/18/1986US4623287 Drilling machine especially for drilling glass
11/11/1986US4621818 Hammer drill spindle and chuck assembly
11/05/1986EP0200357A2 Non-linear electromagnetic vibration device
10/1986
10/28/1986US4619172 Cutting saw for grinding solid materials
10/22/1986EP0197978A1 Device for correcting the pendular frame of a machine for sawing stones
10/22/1986EP0094403B1 Rock breaking apparatus
10/01/1986CN86202494U Loop-type band saw for stone cutting
09/1986
09/30/1986US4614380 Power driven rotary floor preparation device
09/30/1986US4614379 Apparatus for roughening road surfaces
09/23/1986US4612730 Mechanical centering apparatus and method
09/02/1986CA1210582A1 Tool and method for scarifying a surface
08/1986
08/27/1986EP0191837A1 Stock removal by laser cutting
08/27/1986CN85102855A Nonlinear electromagnetic oscillation device
08/20/1986EP0191509A1 Portable electrical milling and/or trimming machine tool for the machining with suction of produced chips and dust
08/20/1986EP0191455A1 Stone saw for dividing stone slabs or the like
08/20/1986EP0191336A1 Assembly of an impact tool and a support unit
08/13/1986CN85100706A Cutting machine for piezo-electric ceramic crystal slices
08/12/1986US4605343 Bonding heat sink to diamond with molybdenum, tungsten, titanium, zirconium or chromium layer
08/05/1986US4604106 Composite polycrystalline diamond compact
08/05/1986US4603678 Belt-configured saw for cutting slots into stone
07/1986
07/31/1986WO1986004295A1 Alternating saw with two blade-holding frames
07/30/1986EP0188797A1 Device for comminuting stone articles
07/23/1986EP0187737A1 METHOD OF MACHINE CUTTING SILICON METAL PARTICULATES WITH Si3N4.
07/15/1986US4600044 Method and apparatus for joining stair rail fittings together
07/02/1986EP0185744A1 A method and a tool for increasing the width in the clear of a chimney.
07/01/1986US4597225 Interchangeable support disc for diamond-bearing plates of circular milling cutters
06/1986
06/25/1986EP0185355A1 Method of manufacturing blade stacks for dividing crystal bars into wafers
06/25/1986EP0185136A1 Diamond circular saw
06/24/1986US4596243 Surgical methods and apparatus for bone removal
06/24/1986US4596090 Spigot grinder and groover
06/18/1986EP0184983A1 Auxiliary device for the drilling of reinforced concrete
06/17/1986US4594759 Surface-chiseling machine
06/11/1986EP0183902A2 Method of attaching segments to cutting tool
06/10/1986CA1205620A1 Scabbler bits
06/04/1986EP0183644A2 Method for making recesses
06/03/1986US4592108 For connection to a rotary power machine
05/1986
05/28/1986EP0182757A1 Stone breaking apparatus
05/28/1986EP0182218A2 Method for dicing semiconductor wafer
05/22/1986WO1986002865A1 Radially-operating roller/milling-cutter tool rotatably supported on a driven rotating eccentric
05/07/1986EP0180127A2 Paving stone or brick splitting device
05/06/1986US4586846 Method and apparatus for rebar avoidance
04/1986
04/30/1986CN85203273U Driller for reinforced concrete floor slab
04/22/1986US4583515 Abrasive cutting wheel for cutting rock-like material
04/16/1986EP0178237A1 Rotary saw blade
04/10/1986WO1986002033A1 Device for correcting the pendular frame of a machine for sawing stones
04/10/1986CN85107275A Device for the automatic and continuous correction of the centres of oscillation in a pendulant frame for the cutting of marbles granites and hard stones
04/09/1986EP0177452A2 Device for arresting the progress of a surface-cleaning apparatus