Patents
Sitemap › B23 - Machine tools; Metal-working not otherwise provided for › B23K - Soldering or unsoldering; Welding; Cladding or plating by soldering or welding; Cutting by applying heat locally, e.g. flame cutting; Working by laser beam › B23K 25 - Slag welding, i.e. using a heated layer or mass of powder, slag, or the like in contact with the material to be joined
Patents for B23K 25 - Slag welding, i.e. using a heated layer or mass of powder, slag, or the like in contact with the material to be joined (350)
10/2000
10/03/2000US6125913 Process for the aluminothermic welding of rails with alloying of the weld metal in the rail head region
04/2000
04/26/2000EP0994760A1 Method for welding shaped bodies made of carburized heat-resistant steel
01/2000
01/05/2000EP0968071A1 Method and device for the production of a permanent way component in particular a cross frog structural component
01/05/2000CN2356783Y Device for molten metal electroslag continuous casting ingot and pile-up welding
12/1999
12/15/1999CN2353480Y Power-supply device for wireless remote-controlled vertical concrete-bar electroslag pressure welder
08/1999
08/31/1999US5944914 Fine particles
01/1999
01/21/1999WO1999002298A1 Method for welding shaped bodies made of carburized heat-resistant steel
11/1998
11/26/1998DE19721554A1 Welding process and clamping unit for steel reinforcement elements
10/1998
10/01/1998WO1998042473A1 Method and device for the production of a permanent way component in particular a cross frog structural component
09/1998
09/24/1998DE19712024A1 Verfahren zur Herstellung eines Gleisoberbauteils, isbesondere Herzstückbaugruppe Process for the preparation of a superstructure as part isbesondere core assembly
09/10/1998DE19729781C1 Welding shaped components comprising carburised heat resistant steel
06/1998
06/10/1998EP0846522A2 Alumino-thermic mixture
06/04/1998CA2222840A1 Aluminothermic mixture
04/1998
04/22/1998CN2279236Y Automatic reinfored electroslag press welder
04/16/1998DE19650207C1 Aluminothermic mix especially for rail welding
03/1998
03/26/1998DE19637283A1 Verfahren zum aluminothermischen Zwischengußschweißen von Schienen mit Auflegierung des Stahlgusses im Schienenkopfbereich A method of aluminothermic Zwischengußschweißen of rails with alloying steel casting in the rail head area
08/1997
08/13/1997CN2259255Y Steel reinforcement electroslag pressure welding energy control apparatus
07/1997
07/15/1997US5648001 Welding method and clamping device for steel reinforcements
04/1997
04/16/1997CN2252077Y Concret iron electroslag pressure welder
01/1997
01/29/1997CN1141222A Device for automatically controlling electroslag welding for jointing steel bars with pressure
10/1996
10/09/1996CN2236920Y Electric slag pressure welder for horizontal steel bar
08/1996
08/21/1996CN1032577C Field horizontal butt electroslag welding method for concrete bar
07/1996
07/17/1996CN2231155Y Resistance steel bar butt welding device
03/1996
03/06/1996CN2221465Y Multi-functional bar-welding machine
11/1995
11/22/1995CN1030293C Electric slag bead welding flux
10/1995
10/04/1995CN2209007Y Bar built-in fitting T-joint butt-welder
09/1995
09/12/1995US5448929 Method for hardfacing of chainsaw and guide bars
08/1995
08/16/1995CN2205275Y Horizontal steel bar butt electroslage welding machine
07/1995
07/26/1995CN2203911Y Vertical direction slag welding machine for joining steel bars
07/19/1995CN2203635Y Controller for automatic reinforced bar butt welding machine
06/1995
06/21/1995CN2201208Y Vertical reinforcing bar pressure electroslag butt welder
06/07/1995CN1103342A Electroslag welding method for in-situ horizontal butt joint of bars
05/1995
05/17/1995CN2197166Y Automatic and horizental electroslag welder for steel bars
05/03/1995CN2195998Y Automatic slag welding machine for steel bars
04/1995
04/26/1995CN2195406Y Automatic controlling apparatus for reinforcing steel electroslag press welder
04/12/1995CN2194238Y Reinforcing bar electroslag pressing horizontal butt welder
03/1995
03/14/1995CA2056385C Method of automatically welding rails
01/1995
01/18/1995CN2187515Y Reinforcing bar electroslag welding executive mechanism
12/1994
12/21/1994CN2185650Y Quick assemble and disassemble slag welding head
12/07/1994EP0626894A1 Method for hardfacing of chainsaw guide bars
11/1994
11/30/1994CN2183845Y Electrodes of electroslag welder for press butt-welding vertical reinforced bars
10/1994
10/12/1994CN1093311A Flux for electro-slag overlaying welding
08/1994
08/31/1994CN2175661Y Automatic controller for steel bar electric slag press welder
07/1994
07/05/1994WO1994014560A1 Method for hardfacing of chainsaw guide bars
06/1994
06/15/1994CN2168681Y Electric slag pressure welding apparatus for vertical iron bar
05/1994
05/25/1994CN2165952Y Submerged-arc slag welding machine head for reinforcing bars horizontal end-to-end jointing
05/24/1994CA1329692C Electro-slag casting apparatus and method
05/03/1994US5308407 Electroslag welding flux
03/1994
03/16/1994CN2158763Y Light-weight reinforced electroslag welding machine nose
02/1994
02/02/1994CN1081403A Method for mfg. anti wearing block with cladded abrasion-resistant metal layer
01/1994
01/26/1994CN1081137A Processing method for renovating old forging die with electroslag build-up welding technology
12/1993
12/29/1993CN2150960Y Electroslag welder for vertical concrete iron
12/01/1993EP0396574B1 Electroslag surfacing
02/1993
02/02/1993CA1313336C Electroslag surfacing
12/1992
12/29/1992US5175405 Method of automatically welding rails
11/1992
11/25/1992CN2122704U Three-phase slag welding machine
09/1992
09/23/1992CN2116551U Reinforcing bar electroslag pressing welding monitoring and controlling device
09/15/1992US5146976 Electro-slag casting apparatus and method
05/1992
05/06/1992CN1060806A Welding method for shaped iron according to composition gradient transition
04/1992
04/21/1992CA1299254C Process for automatic fusion welding of rails
11/1991
11/26/1991US5068507 Electroslag surfacing
10/1991
10/19/1991WO1991016167A1 Automatic rail welding method
03/1991
03/20/1991EP0407428A4 Electro-slag casting apparatus and method
01/1991
01/16/1991EP0407428A1 Electro-slag casting apparatus and method
01/16/1991EP0396574A4 Electroslag surfacing
01/02/1991CN2068442U Single pole headpiece of electroslag welder
11/1990
11/14/1990EP0396574A1 Electroslag surfacing.
06/1990
06/12/1990CA1270136A2 Method of centering and fixing a light-conducting fibre in a light conductor terminal member, a light conductor terminal member produced by that method, and apparatus for carrying out the method
11/1989
11/22/1989CN1037290A Electro-slag casting apparatus and method
11/21/1989CA1263151A1 Ceramic shoes for electroslag welding
10/1989
10/10/1989CA1262210A1 Method of centering and fixing a light-conducting fibre in a light conductor terminal member, a light conductor terminal member produced by that method, and apparatus for carrying out the method
10/05/1989WO1989009291A1 Electro-slag casting apparatus and method
06/1989
06/20/1989US4841116 Combination of submerged arc welding and electroslag welding using direct current, filler wire of certain diameter, fused flux
06/15/1989WO1989005207A1 Electroslag surfacing
06/07/1989CN1033252A Method and apparatus for controlling the molten pool and its depth of electroslag welding
12/1988
12/21/1988CN87205342U Electro-slag welding melting bath and its depth controlling equipment
11/1988
11/16/1988CN88201595U Vertical reinforcing bar electric slag pressure welding equipment
11/09/1988CN88201234U Vertical reinforced bar electric slag welder
06/1988
06/14/1988CA1238090A1 Equipment for electroslag surfacing of rolling mill rolls
02/1988
02/10/1988CN86104011A New compound regeneration technology for shovel-teeth of a high-manganese steel electric shovel
11/1987
11/17/1987US4707581 Apparatus for the electroslag surfacing of rolling mill rolls
11/11/1987EP0245174A1 Process for producing a polymetallic composite web, especially a thin one based on steel, and articles obtained starting from such a web
04/1987
04/01/1987CN86204097U Crystallizer to repair electric dipper tooth by electroslag build-up welding
04/1986
04/01/1986CA1202687A1 Method and apparatus for pool-slag welding
03/1986
03/25/1986US4577384 Method for joining together heated workpieces for processing in a rolling mill
03/11/1986US4575606 Method of electroslag welding and flux
10/1985
10/15/1985CA1195218A2 Welding flux
03/1985
03/19/1985US4506130 Alternating peak gas flow resistance to minimize pressure loss
02/1985
02/19/1985CA1182869A1 Method of electroslag welding using a built-up electrode and a flux therefor
01/1985
01/22/1985US4495395 Method for electroslag welding with consumable plate electrodes
12/1984
12/04/1984CA1179023A1 Method for welding railroad rails and means therefor
11/1984
11/06/1984US4481400 Method of electroslag welding of light metals, forming device and flux
09/1984
09/25/1984CA1175112A1 Method of electroslag welding of light metals, forming device and flux therefor
06/1984
06/12/1984US4454406 Method, welding flux, and apparatus for electroslag welding
03/1984
03/20/1984US4438313 Electroslag welding method
03/20/1984CA1164056A1 Electroslag surfacing method of components having a cylindrical surface and apparatus for carrying out the method
02/1984
02/14/1984CA1162249A1 Method, welding flux, and apparatus for electroslag welding
01/1984
01/31/1984US4429207 Method for welding railroad rails and means therefor
01/24/1984CA1161126A1 Electroslag welding method
12/1983
12/13/1983US4420672 Method and apparatus to produce electroslag T-joints where fillets are required
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