Patents for B23K 7 - Cutting, scarfing, or desurfacing by applying flames (3,809)
04/1999
04/06/1999US5891266 Method and system for cutting hub bores in railroad wheels
03/1999
03/31/1999CN2312092Y Atomizing type gasoline and oxygen torch for welding, cutting and heating
03/30/1999US5888447 Self-Extinguishing burning bar
03/17/1999EP0901866A2 Cutting machine with an apparatus designed for automatically controlling the starting height of a gun
03/10/1999CN2309917Y No power consuption oxyhydrogen welding-cutting machine
03/10/1999CN1210046A Multifunctional system for plasma cutting and electrical welding with gasoline and hydrogen-oxygen sources
03/03/1999CN1209370A Liquified petroleum-gas cutting-welding machine
03/02/1999US5876162 Apparatus for removing dross ridges from a metal workpiece
02/1999
02/11/1999DE19734380A1 Control of a flame cutting machine with an autogeneous cutting torch
02/10/1999CN1042004C Scarfing method and apparatus
02/03/1999CN1206641A Cutting system by using oil gas without using acetylene and oxygen and application thereof
01/1999
01/27/1999CN1205925A Centralized oil gasifier and its application in industrial mass hot cutting
01/21/1999DE19739351C1 Coordinate thermal cutting machine
01/06/1999CN1204274A Flame cutting machine with tool fixing device
12/1998
12/30/1998EP0807000B1 Gas distribution manifold for metal scarfing apparatus
12/24/1998DE19725356A1 Holding device for a distance sensor for tools
12/23/1998CN2301287Y Electronic ignition cutting torch
12/16/1998CN2300470Y 氢氧焊割机 Hydrogen welding machine
12/15/1998US5849243 Flexible acetylene cutting torch handle
12/08/1998US5847358 Method and apparatus for removing material from metal workpieces moved relative to a laser removal tool
12/03/1998WO1998053947A1 Combined support device for torch and extinguisher
12/03/1998DE19743076C1 Thermal deburring of workpieces
12/03/1998CA2291343A1 Combined support device for torch and extinguisher
12/01/1998US5843292 Electrolysis systems
11/1998
11/25/1998CN2298094Y Oxyhydrogen plasma welding cut machine
11/18/1998CN2297272Y Hydrolytic oxyhydrogen cutting and welding machine
11/18/1998CN2297271Y Fully automatic oil-vapor-oxygen vaporization cutting and welding machine
11/11/1998CN2296793Y Electrolyzing water hydrogen oxygen welding cutting machine
11/11/1998CN2296792Y Cutting welder
11/11/1998CN2296791Y Gasoline cutting welder
10/1998
10/28/1998CN2295555Y Oil gasifying and cutting apparatus for supplying multiple cutting torches simultanously
10/28/1998CN2295554Y Oil gas cutting apparatus
10/28/1998CN2295553Y Gasoline cutting apparatus
10/28/1998CN2295552Y Water cooling hydrogen-oxygen welding and cutting apparatus
10/08/1998WO1998043772A1 Metal powder dispenser for a cutting torch
10/07/1998EP0868246A1 Flame cutting machine with tool fixing device
10/07/1998CN2293412Y Gasoline & oxygen cutting & welding apparatus
10/07/1998CN2293411Y Multiple oil & gas oxygenation cutting & welding equipment
10/01/1998DE19709821A1 Apparatus for cutting up rails
09/1998
09/30/1998CN2292628Y Oxygen lance cutting machine
09/23/1998CN2291988Y Improved hydrogen-oxygen gas cutting, welding machine
09/22/1998US5810042 Device for ensuring the safety of the gas and oxygen supply to a cutting and welding torch, and a flow-pressure switch for use in said device
09/16/1998CN2291249Y 气割组合装置 Combination gas cutting equipment
09/16/1998CN1192951A Multi-oil-gas oxygen-added cutting welding apparatus
09/08/1998US5804133 Motorized cutting torch attachment
08/1998
08/12/1998CN1190045A Gasoline-oxygen cutting welder
08/11/1998US5792281 Having divided oxygen supply passage; operable in pilot mode and cutting mode
08/04/1998CA2084395C Scarfing method and apparatus
07/1998
07/29/1998CN2286657Y Water electrolytic hydrogen-oxygen welding cut machine
07/29/1998CN1189146A 切割耐火材料 Cutting refractories
07/22/1998CN1039206C Spraying welding cut device
07/21/1998US5782445 Mounting and locating device for a breakaway tool holder
06/1998
06/30/1998US5772954 Combined preheat and cutting oxygen valve for cutting torches
06/24/1998CN2284627Y Fire-fighting self-rescuing apparatus
05/1998
05/20/1998CN2281861Y Digital controlled flame cutter
05/05/1998CA2118381C Deflashing machine for continuous casting installation and rotor used therewith
04/1998
04/29/1998CN2279976Y Multi-function acetylene cutting machine
04/15/1998EP0835231A1 Cutting refractory material
03/1998
03/19/1998DE19739976A1 Method for shearing off short sections of wire for providing wire electrode in electrical spark erosion machines
02/1998
02/25/1998CN2275000Y Water electrolytic hydrogen oxygen gas welding cutter
02/24/1998US5720456 For a gas torch
02/17/1998US5719375 Stiffener manufacturing method and apparatus thereof
02/11/1998CN2274112Y Gas mixer for welding
02/11/1998CN2274110Y Welding-cut dvice of propane, natural gas and liquified gas
02/04/1998CN1172449A Gas distribution manifold for metal scarfing apparatus
01/1998
01/28/1998EP0820833A1 Device for cutting and welding a round in a plate
01/07/1998CN2271943Y Safety flame retardant means for oxy-hydrogen welding cutter
12/1997
12/30/1997US5701652 Dismount method of large-sized tank by cutting the same and jack mechanism employed therefor
12/10/1997CN2269918Y Efficient energy-saving oxygen cutting or welding device using oil gas
12/02/1997US5693286 Cart mounting a welding torch or cutting torch
11/1997
11/20/1997WO1997043072A1 Mechanism for profiling connection portion of mutually penetrating bodies and pipe cutter
11/19/1997EP0807002A1 Hand-operated cleaning device for cleaning the gas nozzle of a welding torch
11/19/1997EP0807001A1 Driving device for the vertical adjustment of a gas cutting machine burner
11/19/1997EP0807000A1 Gas distribution manifold for metal scarfing apparatus
11/18/1997US5688469 Gas mixer for cutting torches
11/18/1997CA2101822C Block assembly for use in scarfing apparatus
11/12/1997CN2267119Y Cutting machine using oxygen and gasoline
11/05/1997EP0668813B1 Tool holder, in particular for robot welding or cutting torches
11/05/1997CN2266478Y Magnetic wheel semi-automatic torch cutting machine
11/04/1997US5683821 Metal workpiece obtained by oxygen cutting
10/1997
10/29/1997EP0803678A2 Device for supporting a gas bottle
10/29/1997EP0802843A1 Negative pressure chamber table for cutting apparatus
10/07/1997CA2029522C Fluid cooled cutting torch adapted for operation with a premix and postmix nozzle
10/01/1997EP0798072A1 Progressive-feed type automatic processing method for lengthy work and apparatus thereof
10/01/1997EP0746441A4 Method and apparatus for torch working materials
09/1997
09/03/1997CN2261309Y Adjustable safety and energy saving acetylene generator
07/1997
07/29/1997US5651904 Method for removing material from metal workpieces moved relative to the removal tool
07/16/1997EP0783931A1 Device for ensuring the safety of the gas and oxygen supply to a cutting and welding torch, and flow-pressure switch for use in said device
07/15/1997US5648002 Work transferring apparatus for thermal cutting machine
07/09/1997CN2257508Y 多功能喷枪 Multifunction gun
06/1997
06/26/1997WO1997022431A1 Flame cutting machine with tool fixing device
06/25/1997EP0780184A1 Device for longitudinal and transversely dividing cold or hot steel slaps
06/19/1997DE19546677A1 Brennschneidmaschine mit einer Werkzeugbefestigungseinrichtung Cutting machine with a tool fastening device
06/18/1997CN2256357Y Hydroxygen source welding and cutting machine
06/11/1997EP0710169B1 A process for cutting large blocks of metal
06/04/1997CN2255328Y Hydrogen-energy welding cut machine
05/1997
05/21/1997CN2254387Y Oxyhydrogen gas cutting, gas welder
05/15/1997WO1997017161A1 Scarfing torch with multiple nozzles
05/14/1997CN2254021Y Oil ejection prevention joint for constant pressure liquid supply tank
05/14/1997CN2254020Y 氢氧切割机 Hydroxide cutting machine
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