Patents for F27B 14 - Crucible or pot furnaces; Tank furnaces (4,425)
01/1995
01/04/1995CN2186900Y Aluminium smelting crucible
12/1994
12/22/1994WO1994029052A2 Process for manufacturing refractory crucibles for steel processing ladles
12/22/1994CA2164873A1 A procedure for manufacturing refractory crucibles for steel-processing ladles
12/13/1994US5373529 Metals purification by improved vacuum arc remelting
12/13/1994US5372355 Tap closure for a vacuum-induction melting and casting furnace
12/08/1994WO1994028366A1 Modular induction furnace
12/07/1994EP0627014A1 Recovery of non-ferrous metals from dross.
12/07/1994CN2184906Y Pot alkaline hydrolysis kiln furnace
11/1994
11/30/1994CN2184179Y Electric zinc-permeated metallic furnace in kiln
11/30/1994CN2184178Y Hot zinc Permeated furnace
11/29/1994US5368627 Treatment of oxide-containing dusts
11/29/1994US5368282 Induction furnace providing controlled escape of superheated metal
11/22/1994US5366000 Method and apparatus for forming rings from an active brazing alloy
11/22/1994CA2032732C Phase difference control circuit for induction furnace power supply
11/17/1994DE4325522C1 Crucible, in particular support crucible
10/1994
10/27/1994WO1994024505A1 Crucible
10/27/1994CA2138406A1 Crucible
09/1994
09/28/1994CN1026028C Composite ceramet crucible and its making method
09/20/1994US5349167 Induction heating apparatus with PWM multiple zone heating control
09/15/1994DE4307851A1 Gastight chamber arrangement with main and additional chamber
08/1994
08/31/1994CN2175909Y Closed asphalt melting pot
08/30/1994US5343492 Closed induction furnace for the melting and casting of substances
08/24/1994EP0612201A2 Improved heating apparatus for induction ladle and vacuum furnaces
08/23/1994US5341394 Furnace for melting materials with low melting point with improved casting duct
08/17/1994CN2174672Y Heating crucible for solid materials
08/17/1994CN2174671Y Low-melting-point metal smelting device
08/09/1994US5336085 Multi-layer fluid curtains for furnace openings
08/02/1994US5333844 Non-graphite crucible for high temperature applications
07/1994
07/26/1994US5332200 Segmented ceramic liner for induction furnaces
07/20/1994CN2172452Y Double-buried coating graphite quick starting salt-bath stove
07/19/1994US5329989 Induction melting and casting apparatus
07/13/1994CN2171834Y Internal thermal nonferrous metal fusion immersion plating furnace
07/13/1994CN2171833Y Energy-saving alchemy crucible furnace
07/06/1994CN2171096Y Heat insulating device for dental porcelain oven body
06/1994
06/22/1994CN2169830Y Coal burning homogeneous thermal zinc plating furnace
06/15/1994CN1087859A Refractory carbon crucible and mfg. technique
06/07/1994US5319671 Prewarning device for induction melting furnace
06/07/1994US5319172 Microwave melting furnace for treating liquid
06/07/1994CA1329990C Method for induction melting reactive metals and alloys
06/01/1994DE4319393C1 Prodn. of refractory crucibles for steel ladles - involves moulding of a crucible with a high clay content outer layer and extensively sintered inner layer (adjacent to ladle), processing of 10-50 charges, then moulding of a second, replaceable crucible
05/1994
05/11/1994DE4334770A1 Melting crucible for testing metallic or ceramic samples - with protruding upper rim to prevent rising of molten sample material
05/11/1994CN2164535Y Crucible for producing aluminium base low-iron alloy
05/11/1994CN2164534Y Compound silicon stone prefabricated integral crucible
05/04/1994CN2164000Y Crucible furnace
05/04/1994CN1024400C Controllable lifting rotary type vacuum compression casting furnace
05/03/1994US5308044 Boron nitride ceramics and molten metal container provided with members made of the same ceramics
04/1994
04/27/1994CN1024358C Protecting lining for aluminum refining vessel
04/19/1994US5304230 Method of disposing of organic and inorganic substances and a plant for carrying out the method
04/12/1994CA1328347C Tubular ceramic articles, methods and apparatus for their manufacture
03/1994
03/23/1994CN2159543Y Full carbon molecular arc crucible oven
03/16/1994CN2159005Y Pickling furnace
03/15/1994US5294096 Power supply coil for the ceramic-free outlet of a melting pot
03/10/1994DE4329509A1 Bridging prevention system for induction melting furnace - has wall temp. sensors connected to alarm, preventing furnace wall damage caused by metal bridge formation
03/02/1994EP0584401A2 Low NOx regenerative melting tank
02/1994
02/23/1994CN1082702A Float melting apparatus and method employing axially movable crucibles
02/16/1994CN2156462Y Ceramic soil crucible
02/09/1994EP0582388A1 Induction heating
02/02/1994EP0581496A2 Molecular beam epitaxy (MBE) effusion source utilizing heaters to achieve temperature gradients
02/01/1994US5283805 Segmented cold-wall induction melting crucible
01/1994
01/27/1994DE4307317A1 Appts. for melting and casting metals or alloys of high purity - with crucible segments made of aluminium with their outside surface covered with an aluminium oxide layer
01/19/1994CN2153752Y Fuel heating furnace
01/18/1994US5280495 Furnace refractory extraction system and method
01/05/1994EP0576845A1 Float melting apparatus and method employing axially movable crucibles
01/05/1994DE4221882A1 Transport device for removing used anodes in aluminium@ melting furnaces - comprises containers provided with gas filter units and closable door to prevent fluorine@ emission
01/04/1994US5275229 Magnetic suspension melting apparatus
12/1993
12/28/1993US5274662 Remelting arc furnace with movable electrode
12/21/1993US5272720 Induction heating apparatus and method
12/21/1993US5272719 Plural output power supply for induction holding and melting furnaces
12/15/1993CN1023085C Method to make refractory pot for casting steel billet
12/14/1993US5271033 Induction furnace for melting and casting substances in a nonreactive atmosphere
12/09/1993DE4218244A1 Closed induction furnace with tilting mechanism - with the crucible tiltable in opposing directions
12/07/1993US5267602 Casting metals
11/1993
11/30/1993US5267259 Induction crucible furnace with sonically uncoupled accessible furnace platform
11/30/1993US5267258 Fast melting induction furnace with pressing cover
11/24/1993CN2147493Y Continuous electric heating melting furnace
11/24/1993CN2147492Y Construction equipment for cauldron for melting coating of road sign
11/17/1993CN2146690Y Far-infrared energy-saving furnace with tin pots
11/17/1993CN1078548A Levitating and fusing device
11/10/1993CN2145969Y Energy-saving hygienic cistern tin soaking furnace
11/03/1993EP0567621A1 Melt-in aggregate with furnace cradle
10/1993
10/13/1993CN2143758Y Smoke removing asphalt gas burning and heating melting furnace
10/12/1993US5253266 MBE effusion source with asymmetrical heaters
10/12/1993CA1322850C Heating vessel lid construction
10/07/1993DE4317018A1 Charging method avoiding formation of harmful material in top-filling bath smelt furnace - uses tube to carry material through zones in which temp. and duration ensures complete combustion
10/06/1993CN2143316Y Durable iron crucible
10/05/1993US5250777 Channel-type
09/1993
09/30/1993WO1993018868A1 Process and device for the treatment of polluting and meltable materials
09/30/1993DE4209964A1 Prodn. system for metals and metal alloys of high purity under vacuum conditions - has cooled melting crucible and cooled hopper for guiding pouring jet, crucible consisting of several metallic palisade type segments separated from each other by slits
09/21/1993US5247539 Magnetic yoke for an induction crucible furnace
09/21/1993US5247538 Melting furnace with manipulator for closing crucibles vacuum-tight
09/08/1993EP0558874A1 Method of and apparatus for producing rings of an active brazing alloy
09/06/1993CA2090923A1 Method of and apparatus for forming rings from an active brazing alloy
09/02/1993DE4205797A1 Elektronenstrahl-ueberlaufschmelzvorrichtung Electron beam melting Overrun device
09/01/1993CN2141547Y Material feeder for electric resistance furnace producing quartz glass
08/1993
08/31/1993US5241560 Crucible induction furnace provided with a preventive measure against low melting point metals
08/31/1993US5240231 Slag control system
08/26/1993WO1993017135A1 Recovery of non-ferrous metals from dross
08/19/1993WO1993015860A1 Slag control system
08/19/1993CA2129738A1 Slag control system
07/1993
07/13/1993US5227120 Weld overlaying a relatively thin layer of mild carbon steel
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