| Patents for B28D 1 - Working stone or stone-like materials, e.g. brick, concrete, not provided for elsewhere; Machines, devices, tools therefor (14,003) |
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| 07/07/1994 | WO1994011317A3 Large sized quartz glass tube, large scale quartz glass preform, process for manufacturing the same and quartz glass optical fiber |
| 07/06/1994 | CN2170836Y Cutting machine for working stone material |
| 06/29/1994 | EP0604061A1 Semiconductor fabrication |
| 06/29/1994 | CN2170198Y 多功能双向切石机 Versatile two-way cut stone |
| 06/23/1994 | DE4243480A1 Dry rock-sawing blade |
| 06/22/1994 | EP0603121A1 Tubular drill |
| 06/22/1994 | EP0602793A1 Method and apparatus for machining and cutting a workpiece |
| 06/22/1994 | EP0602307A2 Wall sawing machine |
| 06/22/1994 | CN2169536Y Electroplating artificiaal diamond thin wall drill bit |
| 06/16/1994 | DE4342078A1 Ultrasonic machining sonotrode mfg. system for dental prosthesis mfr - uses negative mould of ultrasonic sonotrode crown to mfr. machining sonotrode |
| 06/15/1994 | CN2168698Y Single-rail cutting machine for granite |
| 06/14/1994 | US5320459 Tool bit for percussion drilling and chipping and chuck for the tool bit |
| 06/09/1994 | WO1994012742A1 Process and arrangement for securing façade slabs |
| 06/09/1994 | DE4241046A1 Wall cutting saw with guide rail fitted to wall - has cutting depth adjuster with two spaced guide components on slide carriage |
| 06/08/1994 | EP0600841A1 Accident-preventing control device for oil-operated presses and the like, in particular for stone-breaking workings |
| 06/08/1994 | CN2167826Y Multifunction drilling machine of diamond thin-wall |
| 06/07/1994 | US5318351 Cutting tool bit assembly |
| 06/07/1994 | US5318006 Cutting insert utilizing superabrasive compacts |
| 06/07/1994 | US5318005 Apparatus for cutting plate-shaped workpieces and for edge processing thereof |
| 06/05/1994 | CA2103397A1 Method of machining and cutting off a work, and apparatus |
| 06/01/1994 | DE4333757A1 Template for measuring and transferring exact room measurements to tile - has ridged stop and angle measurer pivotably and fixably mounted on guide track, measurer has stopper sliding in slot on arm |
| 06/01/1994 | CN1087305A Tool and tool holder for hand-tool apparatus |
| 05/31/1994 | US5316559 Aluminum hubs with nickel, diamond grit and silicon carbide whiskers |
| 05/31/1994 | US5316419 Device for making a drilled hole with an undercut |
| 05/31/1994 | US5316416 Diamond cutting tool for hard articles |
| 05/26/1994 | WO1994011317A2 Large sized quartz glass tube, large scale quartz glass preform, process for manufacturing the same and quartz glass optical fiber |
| 05/26/1994 | DE4239212A1 Wire saw machine e.g. for jigsaw work - uses endless thin wire automatically tensioned by spring-loaded rollers |
| 05/25/1994 | EP0598349A2 Large sized quartz glass tube, large scale quartz glass preform, process for manufacturing the same and quartz glass optical fiber |
| 05/25/1994 | EP0598218A1 Tool stand for holding and longitudinally guiding tools, in particular stone drills and -saws |
| 05/25/1994 | CN2165979Y Cutting machine for fire brick |
| 05/25/1994 | CN2165978Y Automatic cutter for granitic board |
| 05/25/1994 | CN1087050A Machine for sawing arc stone |
| 05/24/1994 | US5314554 Method for producing a laminated tile product |
| 05/24/1994 | US5314512 Injection molding dispersion of boron nitride or diamond in nonporous thermoplastic resin |
| 05/24/1994 | CA1329712C Tool bit with axially extending grooves in insertion end |
| 05/18/1994 | EP0596884A1 Improved cutting tool. |
| 05/18/1994 | EP0466702B1 Coupling for drilling machine with dust extractor |
| 05/18/1994 | CN2164976Y Electric concrete drill |
| 05/18/1994 | CN2164975Y Compound base diamond saw disc |
| 05/18/1994 | CN1086873A Apparatus for cutting and excavating solids |
| 05/17/1994 | US5311705 Contoured cutting tool |
| 05/11/1994 | WO1994009956A1 Surface scabbling apparatus |
| 05/11/1994 | EP0596065A1 Process and tool for removing floor and wall coverings. |
| 05/11/1994 | DE4311582C1 Sawing equipment for producing building material plates - has endless circulating belt conveyor carrying endless material run for sepn into individual plate pieces by cross-wise and longitudinally moving saw |
| 05/11/1994 | DE4237809A1 Mechanism for subsequent enlargement of chimney cross-section - has guide region section in front of cutting region in feed direction of original chimney diameter |
| 05/11/1994 | CN1086477A Process for making stone slab |
| 05/10/1994 | CA1329355C Sawing apparatus for concrete curb or sidewalks |
| 05/04/1994 | CN2163725Y Improved structure of slabstone |
| 04/27/1994 | EP0593899A1 Saw wire rotating device |
| 04/27/1994 | EP0593675A1 Method and device for the extraction of blocks from a rock formation |
| 04/26/1994 | US5305730 Belt-configured saw for cutting slots into stones having a polycrystalline diamond cutting surface |
| 04/26/1994 | US5305729 Skid plate assembly |
| 04/20/1994 | EP0593005A1 Apparatus for disposal of liquids |
| 04/20/1994 | EP0592981A1 Oscillating tools tuned by counterweights |
| 04/19/1994 | US5303690 Tile cutter |
| 04/19/1994 | US5303689 Contour rope saw for stones or similar workpieces |
| 04/19/1994 | US5303688 Mounting arbor for saw cutting blades |
| 04/19/1994 | CA1328597C Adjustable support for cutting apparatus |
| 04/15/1994 | CA2108318A1 Eccentrically supported tools for excavating minerals, counterbalanced with reference to counterweights |
| 04/14/1994 | DE4334421A1 Saw blade coupler for hard material sawing machine frame - has tensile assembly element at one end, and tensile clamping element with head at other end having forked claw to secure blade |
| 04/13/1994 | EP0592345A2 Machine for cutting/separating flat pieces of ceramic and the like |
| 04/13/1994 | CN2161452Y Tool for chiseling groove in hole |
| 04/13/1994 | CN2161451Y Drill for working glass or ceramics for fitting up indoor |
| 04/07/1994 | DE4301937C1 Method for producing thin plates of natural or artificial stone - involves original plate produced with at least double the required thickness and then divided into two individual plates of predetermined thickness parallel to two opposing outer surfaces |
| 04/06/1994 | CN2160524Y Machine for making decorative arch slabstone |
| 04/05/1994 | US5299552 Method and apparatus for cutting circular opening in structure |
| 04/05/1994 | US5299483 Cutting apparatus for foam sponges having irregular contours |
| 03/31/1994 | WO1994006966A1 Aparatus for cutting free covers in coating, e.g. asphalt coating |
| 03/31/1994 | EP0678149A4 Masonry coring system. |
| 03/31/1994 | DE4332065A1 Ceramic tooth prosthesis mfg system - using ultrasonic machining process with two successively activated profiled sonotrode crowns |
| 03/30/1994 | EP0589796A1 Cutting machine, in particular for tiles, having a motor and a monobloc tool-carrying frame |
| 03/30/1994 | EP0589788A1 Tile cutting device having an adjustable arm for positioning the tile |
| 03/30/1994 | EP0589787A1 Positioning device for cutting tiles along a diagonal |
| 03/30/1994 | CN2159868Y Arc stone processing machine |
| 03/30/1994 | CN2159867Y Multifunction saw blade cutter |
| 03/24/1994 | DE4231371A1 Pivot with pivotable connecting flap and one-sided open bolt accommodation - is for tensioning machine saw for cutting granite and has saw blades connected to it by bolts |
| 03/24/1994 | DE4231368A1 Pivot for tensioning machine saw blade with wedges producing pivot torque - has pivots pressed against side on which they are connected to saw blade and against upper edge of lower frame plate, exerting vertical force |
| 03/24/1994 | DE4231362A1 Assembly device for stone machine saw suspension - fits suspension outside machine frame in which pivots are located and comprises rectangular frame on two bearers of which two pressure devices are selectively movable and fixable |
| 03/23/1994 | EP0588713A1 Machine for grinding, facing and polishing for automatic tool changing and corresponding device |
| 03/23/1994 | EP0588436A1 Hand-held rotary bushhammering apparatus |
| 03/23/1994 | CN1024078C Method and apparatus for surface of photograph sand curving hard material |
| 03/17/1994 | WO1994005476A1 Stone cutting method and device |
| 03/16/1994 | CN2158776Y Link-telescoping device for stone-sawing machine |
| 03/09/1994 | EP0530223B1 Pair of pincers |
| 03/09/1994 | CN2158337Y Pneumatic impact tool for stone |
| 03/08/1994 | US5291694 Apparatus and method of working and finish treating a stone surface |
| 03/03/1994 | WO1994004791A1 Apparatus for cutting and excavating solids |
| 03/03/1994 | DE4227760A1 Building facing block - is produced from a chamfered block of porous concrete |
| 03/03/1994 | CA2142106A1 Apparatus for cutting and excavating solids |
| 03/01/1994 | US5289816 Hydraulic ram retraction pile cutter |
| 02/23/1994 | CN2157008Y Slabstone rounding machine |
| 02/23/1994 | CN2157007Y Arm type bidirectional double blade cutter |
| 02/23/1994 | CN1082481A Drill for locating plate building materials without continuous water injection |
| 02/22/1994 | US5288556 Machines; vehicles |
| 02/22/1994 | US5287843 Slicing machine employing an axial force to provide rigidity to a rotary blade |
| 02/22/1994 | CA1327196C Rotary cutting tool |
| 02/17/1994 | DE4241042C1 Composite brick or slab prodn. with ready-made decorative cover plate of silicate - by moulding on cement and/or lime compsn., pre-hardening and steam cure in autoclave. |
| 02/16/1994 | CN1081953A Stone product in sheet form, method for the manufacture and appropriate means |
| 02/15/1994 | US5285768 Two tier groove cutting circular saw blade with anti-undercut features |
| 02/15/1994 | US5285598 Method for drilling a processed hole to a hard but brittle material and a device therefor |