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)
11/1994
11/22/1994US5365914 Multipurpose tool
11/22/1994CA2123970A1 Chain saws
11/22/1994CA2123969A1 Drill bits
11/17/1994EP0624442A1 Guiding bar assembly for a tile cutting apparatus
11/17/1994EP0185744B2 A method and a tool for increasing the width in the clear of a chimney
11/16/1994CN2182726Y Machine for sawing granite
11/16/1994CN1095009A Finger type vibratory cutting machine
11/10/1994WO1994025763A1 Thread-forming screw
11/10/1994WO1994025733A1 Double slot wire saw mining method and apparatus
11/10/1994CA2138973A1 Double slot selective mining system
11/09/1994EP0623437A2 Cutting apparatus
11/09/1994CN2182044Y Portable hole-drilling machine
11/08/1994US5362681 Method for separating circuit dies from a wafer
11/08/1994US5361993 Device for material removing processing of a material layer
11/08/1994US5361748 Method and device for cutting underwater structures
11/08/1994US5361508 Tile, angle-cutting gauge
11/08/1994US5361498 Cutting nippers
11/02/1994EP0622165A1 Saw blade tooth
11/02/1994EP0622157A1 Clamping shaft of a tool
11/01/1994US5360227 Skis and runners
11/01/1994US5359987 Guide bar for stone slab saw
10/1994
10/27/1994WO1994024403A1 Rock drill
10/27/1994WO1994023906A1 Rock percussion mechanism
10/26/1994CN2180438Y Vertocal cutting machine for arc plate material
10/26/1994CN2180437Y Impact device for electric pick, electric hammer and rock drill series machine
10/26/1994CN2180436Y Expanding drill for engineering pipe
10/26/1994CN2180435Y Moveable stone cutting machine with lifting power head
10/20/1994DE4311778A1 Mobile joint cutter
10/19/1994EP0620082A1 Abrasive tool
10/19/1994CN1093636A Improved superabrasive tool
10/18/1994US5356081 Apparatus and process for employing synergistic destructive powers of a water stream and a laser beam
10/13/1994DE4410414A1 Drilling device for hard, brittle materials and corresponding drilling method
10/13/1994DE4309327A1 Cutting device for foam sponges with irregular contours
10/05/1994CN2178605Y Impact chisel device
10/05/1994CN2178604Y Cutting device for polyester building material
10/05/1994CN1026075C 钻头 Drill
10/04/1994US5351446 Method and apparatus for the rotary sawing of brittle and hard materials
09/1994
09/28/1994EP0617170A2 Surface working apparatus
09/28/1994CN1092715A Method for cutting marble by acid etch
09/22/1994DE4308580A1 Method and apparatus for repairing damaged pallets
09/21/1994CN2177578Y Combined mine drill
09/20/1994US5349265 Synthetic diamond coated electrodes and filaments
09/20/1994CA2092013A1 Scarifying machine cage
09/20/1994CA2075941C Apparatus and method for cutting and grinding masonry units
09/15/1994WO1994020252A1 Abrasive cutting tool
09/14/1994EP0614739A1 Stone cutting method and device
09/14/1994EP0614738A1 Device for controlling the deformation of the guide bars of the carrier of a ceramic tile scoring tool
09/14/1994CN2176892Y Electric rotary working table for brick miller
09/14/1994CN2176891Y Hand rotary working table for brick miller
09/14/1994CN1092013A Method of splitting ceramic substrate and splitting device
09/08/1994DE4306206A1 Milling-cutter arrangement for road-milling machines
09/07/1994CN2176232Y Arch pane shaper for marble and granite
09/07/1994CN2176231Y Multiple-cutter slitter
09/06/1994CA2026870C Cement cutting blade
09/06/1994CA2003527C Pallet cutting machine
09/01/1994WO1994019157A1 Method and apparatus for removing motor vehicle windshields
09/01/1994WO1994019140A1 Water stream and laser beam fracturing apparatus
09/01/1994DE4406259A1 Improvement of a sawing machine for granite and marble
09/01/1994DE4305445A1 Apparatus and process for the dust-free fracturing and disposal of asbestos-cement pipes or pipes consisting of a similar, brittle material
09/01/1994CA2153985A1 Water stream and laser beam fracturing apparatus
08/1994
08/31/1994EP0612575A1 Drilling tool
08/31/1994CN2175678Y Stone split wedge
08/31/1994CN2175677Y Circular stone cutter
08/30/1994US5341606 Device for cutting and grinding a doughnut shaped substrate and a method therefor
08/25/1994DE4305106A1 Method and apparatus for cutting a brittle body with laser radiation
08/24/1994EP0596884A4 Improved cutting tool.
08/24/1994CN2175087Y Vertical machine for working stone
08/24/1994CN1091077A Hollow drill bit with end cutting edge
08/23/1994US5339795 Method for cutting stone laminate panels
08/18/1994WO1994017970A1 Sawing device
08/18/1994WO1994017969A2 Improvements to sawing machines and methods for cutting stones
08/17/1994EP0611191A2 Machine for milling, drilling, planing, profiling and polishing stones or similar material
08/17/1994EP0610967A2 Slicing machine
08/17/1994EP0610690A1 Method and apparatus for the manufacture of a spigot end on a concrete or reinforced concrete pipe
08/17/1994EP0610563A2 Semiconductor ingot machining method
08/11/1994DE4403342A1 Apparatus for working the end of a concrete or reinforced-concrete pipe
08/10/1994EP0515371B1 Hand-held machine tool
08/10/1994CN2173689Y Vertical equal wall thickness circular arc stone sawing machine
08/09/1994US5335976 Treatment disk of apparatus for roughening or treating surfaces
08/04/1994WO1994016868A1 Process for producing thin slabs made of natural or artificial stone
08/04/1994DE4402183A1 Ribbed steel sheet for reciprocating granite frame saw
08/03/1994EP0608476A2 Tile cutter
08/03/1994CN2173151Y Screw type hole drill for ceiling lamp
08/03/1994CN2173150Y Thin braze diamond saw disc
08/03/1994CN2173149Y Stone cutting machine
08/02/1994US5333938 Cutter bit
07/1994
07/26/1994US5332348 Fastening devices
07/26/1994US5332164 Materials grinder
07/26/1994US5331877 Rotary blade assembly for a tile cutter
07/21/1994DE4301315A1 Tile cutter with tool slidable along guideway coupled to baseplate
07/20/1994CN2172194Y Dustproof cover for impact drill
07/20/1994CN1089580A Large sized quartz glass tube, large scale quartz glass preform process for manufacturing the same and quartz glass optical fiber
07/19/1994US5329733 Wafer slicing and grinding machine and a method of slicing and grinding wafers
07/19/1994CA1330706C Saw
07/13/1994EP0605850A1 Blade body of fibre reinforced plastic for circular saw blades or abrasive cutting wheels
07/13/1994CN2171464Y Lifting stone material cutting machine
07/13/1994CN1089206A Cantilever buck saw for cutting granite & marble
07/13/1994CN1025423C Method for manufacturing composite surface elements
07/12/1994US5329562 Method of cutting and removing nuclear reactor
07/12/1994CA2000054C Drilling device for producing drill holes with an undercut