Patents for F27D 27 - Stirring devices for molten material (1,158)
07/1992
07/17/1992CA2059018A1 Rotary pipe conveyor apparatus for granular materials
07/09/1992WO1992008814A3 Jet flow device for injecting gas into molten metal
05/1992
05/29/1992WO1992008814A2 Jet flow device for injecting gas into molten metal
05/17/1992CA2055186A1 Melting metal particles and dispersing gas with vaned impeller
05/10/1992CA2029680A1 Jet flow device for injecting gas into molten metal
03/1992
03/10/1992US5094605 Flash removal device in a plant for production of mineral wool
01/1992
01/29/1992EP0468832A1 Furnace for holding the temperature and for metallurgical treatment
01/14/1992CA2046777A1 Oven with temperature holding for metallurgical treatment
12/1991
12/18/1991CN1015115B Rotary device, apparatus and method for treating molten metal
12/17/1991CA1293104C Process and apparatus for preparation of composite materials containing nonmetallic particles in a metallic matrix, and composite materials made thereby
11/1991
11/27/1991CN2089604U Electromagnetic stirrer for non-ferrous metal smelting furnace
10/1991
10/15/1991US5057150 Production of aluminum master alloy rod
09/1991
09/04/1991EP0445090A1 A flash removal device in a plant of production of mineral wool
08/1991
08/14/1991DE4103717A1 Rotary stirrer for metal melts - made of vacuum slip cast fibre-reinforced refractory material
07/1991
07/24/1991EP0438004A1 Method and device for making composite products having a metal matrix
07/09/1991US5030274 Method for recovering metallics and non-metallics from spent catalysts
07/02/1991US5028248 Method of melting materials and apparatus therefor
07/02/1991US5028035 Apparatus for gas treatment of a liquid aluminum bath
06/1991
06/19/1991EP0432545A1 Molten metal stirring device
06/19/1991CA2032409A1 Process and apparatus for producing metal matrix composite
06/04/1991US5020778 Apparatus for stirring molten metal
03/1991
03/27/1991EP0419378A1 Apparatus for treating a static aluminium bath of large surface area using gases
02/1991
02/05/1991US4989841 Metal continuously melting and retaining furnace
12/1990
12/05/1990EP0400214A1 Metal melting and holding furnace
12/04/1990US4974817 Metal melting and holding furnace
11/1990
11/07/1990EP0396389A1 Production of aluminum master alloy rod
10/1990
10/17/1990EP0392910A1 Process and apparatus for the preparation of the eutectic alloy lithium-lead with formula lithium 17%-lead 83%
09/1990
09/26/1990EP0273975B1 Induction plasma furnace
09/19/1990EP0388004A1 Molten metal pump with filter
08/1990
08/09/1990WO1990008933A1 A shield for an electromagnetic agitator
07/1990
07/10/1990US4940384 Molten metal pump with filter
07/03/1990US4938866 Conveyor residue removal apparatus
06/1990
06/12/1990CA1270111A1 Method of and apparatus for treating and subdividing a liquid using centripetal force
05/1990
05/23/1990EP0369642A2 Method of melting materials
04/1990
04/05/1990WO1990003544A1 A method for asymmetric stirring of molten metal and a device for carrying out the method
03/1990
03/13/1990US4908060 Dispersing gas in molten metal by use of rotating device so that metal enters manifold through open end, supplying gas to shaft so that it enters manifold forming dispersion
02/1990
02/27/1990US4903948 Metallurgical vessel
01/1990
01/24/1990CN1039106A Apparatus for stirring molten metal
01/03/1990CN1006302B Decontamination plant on the metallurgical revolving furnace
12/1989
12/27/1989EP0348037A1 Apparatus for stirring molten metal
11/1989
11/23/1989EP0324832A4 Preparation of composite materials.
11/15/1989CN1037175A Rotary device, apparatus and method for treating molten metal
09/1989
09/26/1989US4870655 Apparatus for recovery of metallics and non-metallics from spent catalysts
09/19/1989US4867422 Rotary device, apparatus and method for treating molten metal
09/13/1989EP0332292A1 Rotary device, apparatus and method for treating molten metal
09/12/1989US4865806 Roasting and oxidizing carbon containing refractory before mixing and casting with alloy; diffusion barriers; reinforcement
09/08/1989WO1989008230A1 Furnace for making and delivering melts
08/1989
08/08/1989US4854553 Self shielding lance
07/1989
07/26/1989EP0324832A1 Preparation of composite materials
07/04/1989CA1256694A1 Rotary device, apparatus and method for treating molten metal
06/1989
06/21/1989EP0320673A1 Metallurgical vessel
04/1989
04/12/1989EP0310604A1 Arrangement in steel manufacturing by means of inductive stirring
04/11/1989US4820342 Method of reducing lining wear
03/1989
03/23/1989DE3828895A1 Melting apparatus
01/1989
01/26/1989WO1989000614A1 Preparation of composite materials
11/1988
11/22/1988US4786467 Process for preparation of composite materials containing nonmetallic particles in a metallic matrix, and composite materials made thereby
10/1988
10/19/1988EP0286934A1 Method of reducing lining wear in a ladle containing a melt
10/18/1988US4778518 Slag-melt reactions with improved efficiency
07/1988
07/13/1988EP0273975A1 Induction plasma furnace
07/06/1988CN85108571B Rotary device, apparatus and method for treating molten metal
05/1988
05/31/1988US4747583 Apparatus for melting metal particles
05/17/1988US4744546 Flushing arrangement for a metallurgical vessel
05/10/1988US4743428 Hollow cylinder with apertures immersed in melt and rotated
04/1988
04/26/1988US4739974 Mobile holding furnace having metering pump
02/1988
02/16/1988US4726033 Process to improve electric arc furnace steelmaking by bottom gas injection
02/16/1988CA1232765A1 Method and apparatus for adding heat to molten metal
01/1988
01/14/1988WO1988000426A1 Induction plasma furnace
01/05/1988US4717540 Method and apparatus for dissolving nickel in molten zinc
11/1987
11/05/1987WO1987006624A1 Cast reinforced composite material
10/1987
10/22/1987WO1987006332A1 Arrangement in steel manufacturing by means of inductive stirring
10/07/1987CN87100479A Decontamination plant on the metallurgical revolving furnace
08/1987
08/12/1987EP0232244A2 Flushing arrangement for a metallurgical vessel
07/1987
07/08/1987EP0228024A2 Method of rendering slag-bath reactions more efficient and arrangement for carrying out the method
05/1987
05/26/1987US4667385 Lance for stirring molten metal and method of making the same
04/1987
04/07/1987CA1220025A1 Molten metal stirring equipment
01/1987
01/06/1987US4634105 Rotary device for treating molten metal
12/1986
12/16/1986CA1215237A1 Removal of alkali metals and alkaline earth metals from molten aluminium
10/1986
10/21/1986US4618427 Method of treating and breaking up a liquid with the help of centripetal force
08/1986
08/12/1986US4605438 Apparatus and method for forming a wear-resistant metal composition
07/1986
07/23/1986EP0187924A1 Process and ladle for gas purging molten metals
06/1986
06/04/1986EP0183402A2 Rotary device, apparatus and method for treating molten metal
05/1986
05/10/1986CN85108571A Rotary device, apparatus and method for treating molten metal
03/1986
03/25/1986CA1202186A1 Method of refining molten metal with stirring by repeated operation of suction and discharge
02/1986
02/04/1986US4568385 Method of and apparatus for adding heat to molten metal, and also application of the method
11/1985
11/05/1985CA1196196A1 Method of stirring molten metal refractory cylinder for the purpose
10/1985
10/08/1985US4545945 Dividing back-plowing partially degassed liquid into part streams
09/1985
09/18/1985EP0061455B1 A device for moving solid material fed onto the surface of a melt and for breaking a slag crust formed on the surface of the melt or inside the charge
08/1985
08/28/1985EP0152790A1 Method of and apparatus for adding heat to molten metal, and also application of the method
08/14/1985EP0151434A1 Method of and apparatus for treating and breaking up a liquid with the help of centripetal force
03/1985
03/26/1985CA1184381A1 Rotating gas dispersal device for treating metal melts
01/1985
01/01/1985US4491474 Metal scrap recovery system
12/1984
12/11/1984US4487401 Device for heating, mixing and/or transferring metals in the liquid state
10/1984
10/30/1984CA1176820A1 Apparatus for making thixotropic metal slurries
10/30/1984CA1176819A1 Process and apparatus for making thixotropic metal slurries
10/23/1984CA1176675A1 Furnace constructed with sectional removable refractory lining
10/23/1984CA1176460A1 Fire proof gas permeable structural unit
08/1984
08/07/1984US4464764 Device for moving solid material fed onto the surface of a melt and for breaking a slag crust formed on the surface of the melt or inside the charge
08/07/1984US4463935 In a melting furnace
06/1984
06/05/1984US4452634 Method of stirring molten metal and refractory cylinder for the purpose
05/1984
05/16/1984EP0108178A1 Removal of alkali metals and alkaline earth metals from molten aluminium
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