Patents for B23K 7 - Cutting, scarfing, or desurfacing by applying flames (3,809)
02/1995
02/21/1995US5391237 Method of manufacturing a metal workpiece by oxygen cutting, oxygen-cutting device and metal workpiece obtained
02/08/1995CN2189027Y Shape-imitating cutting machine
02/08/1995CN2189026Y Oxygen-hydrogen flame cutting torch
02/08/1995CN2189025Y Automatic oxygen-hydrogen flame cutting machine
02/02/1995WO1995003150A1 A process for cutting large blocks of metal
02/01/1995CN2188444Y 氢氧焊割机 Hydrogen welding machine
01/1995
01/31/1995US5385336 Method and apparatus for torch working materials
01/25/1995CN1097668A Apparatus for working flat stock
01/24/1995US5383650 Gas flow control assembly for a gas-saving oxy/fuel cutting torch
01/23/1995CA2111050A1 Process for cutting large blocks of metal
01/18/1995EP0634247A1 Machine-tool for working large workpieces
01/10/1995US5379930 Torch specially adapted to gasoline-oxygen cutting machine and cutting machine provided with said torch
12/1994
12/28/1994CN1096723A Oxyhydrogen welding and cutting machine
12/07/1994CN2184505Y Hydrogen-oxygen welding and cutting machine
12/06/1994US5371336 Device for contact-free data gathering from a thermal machining system
11/1994
11/29/1994CA1333254C Cutting torch having peripheral venting means
11/16/1994CN2182704Y Multi-function hydrogen-oxygen welding-cutting machine
11/16/1994CN2182703Y Hydrogen-oxygen gas flame welding and cutting machine
11/01/1994US5360201 Hole and circle torch cutting attachment
10/1994
10/25/1994US5358221 Block assembly for use in metal scarfing apparatus
10/18/1994US5357096 Line tracing method and line tracing apparatus
10/06/1994DE4410203A1 Oxygen cutting torch with a liquid oxygen jet
10/04/1994US5351348 Rest pad for an infant
09/1994
09/29/1994WO1994021423A1 Collecting device for a cutting machine
09/28/1994CN1092710A multifunctional rotary spray welding unit
09/27/1994US5350462 Process for cutting large blocks of metal
09/21/1994EP0615602A1 Device for controlling a gas torch, and gas torch associated therewith
09/21/1994CN2177558Y Combined water-electrolytic fuel gas welding and cutting machine, and electric welding machine
09/21/1994CN2177556Y Light movable gas flame welding and cutting device
09/14/1994CN2176863Y Electrolytic water welding-cutting machine
08/1994
08/31/1994CN2175658Y 氢氧源焊割机 Hydrogen source welding and cutting machine
08/10/1994CN2173678Y Controllable oxyhydrogen welding and cutting machine
08/02/1994US5333841 Nozzle insert for use in metal scarfing apparatus
06/1994
06/09/1994DE4334695A1 Flame cutting under water with explosion prevention - using pref. alcohol-natural oil mixture as fuel
06/01/1994EP0599166A1 Injector mouthpiece for torch burners
06/01/1994CN2167099Y Electrolytic cell for producing oxygen and hydrogen for welding and cutting
06/01/1994CN2166907Y High efficiency and energy-saving gas flame cutting device with liquid fuel mixed with oxygen
05/1994
05/26/1994WO1994011145A1 Work transferring device for heat cutting machine
05/25/1994CN2165950Y Multi-purpose welding and cutting machine
05/18/1994CN1086755A Block assembly for use in metal scarfing apparatus
05/17/1994US5312091 Method and device for deburring especially a steel strip cut into slabs
05/04/1994CN2163711Y Full-automatic oxyhydrogen welding or cutting and electric welding device
05/03/1994US5308042 Oxy-cutting machine with mass flow controlled supply to the cutting burner
04/1994
04/20/1994EP0592841A1 Process for autogenous cutting with liquid oxigen
04/20/1994CN2162321Y No-press high-temp. multi-flame welding machine
04/20/1994CN1085479A Torch cutting with liquid oxygen
04/19/1994US5304256 Scarfing method
04/14/1994CA2107749A1 Process for autogenous flame cutting with liquid oxygen
04/13/1994CN2161410Y Optical fiber tracking device for automatic cutting major diamter pipe
04/13/1994CN2161409Y Hydrolysis welding cutting machine
04/06/1994CN2160492Y Welding and cutting machine with hydrogen and oxygen sources
03/1994
03/30/1994EP0589561A1 Block Assembly for use in metal scarfing apparatus
03/30/1994CN2159849Y Flame oxygen automatic cutter
03/30/1994CN2159847Y Hydrogen energy welder
03/23/1994CN2159279Y Hydrogen-oxygen cutting machine
03/22/1994CA1327997C Laser ice removal system
03/03/1994DE4228548A1 Flame cutting using liquid oxygen@ - with the cutting oxygen@ cooled through heat exchange with under-cooled liquid oxygen@
03/02/1994CN2157845Y Unpowered circular automatic gas cutting machine
02/1994
02/15/1994US5286006 Bevel cutting device
02/15/1994US5286005 Long life and multipurpose high performance burner
01/1994
01/25/1994US5280883 Installation for cutting scrap iron by oxygen cutting
01/19/1994CN2153435Y Oxyhydroge welding machine
01/12/1994CN2152635Y Tool for cutting round workpieces
01/12/1994CN2152634Y Ac-dc driven portable welding or cutting tool
01/05/1994EP0577440A1 Flame-cutting machine
01/05/1994EP0576794A2 Method and apparatus to produce slabs
01/05/1994DE4219431A1 Appts. for cutting tubing to any required shape and dia. - comprises cutting head movable in two directions and a rotating support device, both coordinated by computer
01/05/1994CN2151833Y 乙炔切割尺 Acetylene cutting ruler
12/1993
12/29/1993EP0575877A1 Installation for thermal working of workpieces in particular antogen or plasma cutting
12/22/1993CN2150007Y Acetylene cutting device for circular spare-part
12/22/1993CN2150006Y Magnetic gauge for cutting
12/15/1993EP0574311A1 Method of making a metallic, workpieces by oxygen cutting, oxygen cutting device and obtained metallic workpiece
11/1993
11/30/1993US5265849 Plate cutting device
11/10/1993CN2145671Y Multifunctional oxyhydrogen welding cutter
11/09/1993CA1324061C Process for fusing steel slabs in longitudinal direction thereof
11/02/1993CA1323828C Scarfing nozzles
10/1993
10/28/1993WO1993020974A1 Pipe cutting machine
10/26/1993US5256212 Method and apparatus for flame cutting a workpiece
10/13/1993EP0565264A1 A pattern tracing method and a pattern tracer
10/13/1993EP0564838A1 Method for contact-free data determination of a thermal machine-tool
09/1993
09/29/1993EP0562621A1 Method and apparatus for flame cutting an workpiece
09/14/1993US5244558 Apparatus for generating a mixture of hydrogen and oxygen for producing a hot flame
09/14/1993CA1322152C Gas torch fitted with an optical observation device
09/08/1993CN1075905A Scarfing method and apparatus
09/01/1993CN2141342Y Hydrogen and oxygen source welding and cutting machine
08/1993
08/25/1993CN2140801Y Oxyhydrogen cutting and welding machine
08/25/1993CN2140800Y Oxyhydrogen cutting and welding machine
08/18/1993CN2140277Y Flame welding-cut unit using hydrolyzed hydrogen and oxygen
08/10/1993US5234658 Scarfing apparatus
07/1993
07/29/1993DE4139944C1 Thermal process machine with accessories - with analogue measurement and control buses connected to a microprocessor
07/13/1993CA1320122C Process and device for the longitudinal cutting of continuous castings
06/1993
06/30/1993CN2137187Y Intellectual fully automatic cutting machine
06/16/1993EP0546727A1 Scarfing method and apparatus
06/10/1993WO1993011391A1 Device for controlling a gas torch, and gas torch associated therewith
05/1993
05/27/1993WO1993009909A1 Method for removing material from moving metal workpieces
05/27/1993DE4215561A1 Verfahren zum abtragen von werkstoff von relativbewegten metallenen werkstuecken A method of material by removal of material of relatively moving metal workpieces
05/26/1993CN2134253Y Multifunctional mini-size gas welding torch
05/19/1993DE4137835A1 Contactless data collection appts. for thermal or water jet metal machining
05/12/1993CN2132586Y Portable multifunction flame cutter for tube
04/1993
04/29/1993DE4135497A1 Thermal cutting installation - has vibration resistant bearing units
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