| Patents for B22D 1 - Treatment of fused masses in the ladle or the supply runners before casting (3,331) |
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| 03/25/1992 | CN1059680A Synthetic protector for ingot casting |
| 03/25/1992 | CN1059679A Covering agent for metallic liquid surface |
| 03/24/1992 | US5098651 Magnesium treatment process and apparatus for carrying out this process |
| 03/20/1992 | CA2051605A1 Method and apparatus for production of metal base composite material |
| 03/19/1992 | WO1992004473A1 Scavenging port for passing gases and/or solids into a metallurgical melt, and a process for manufacturing the port |
| 03/19/1992 | DE4029024A1 Quick-release coupling for connecting purge gas hose to pouring ladle - comprising cylindrical sleeve adaptor and sliding plug with coned metal-metal seal and lever operated cam locks |
| 03/18/1992 | CN1015910B Gas bubbling device |
| 03/18/1992 | CN1015909B Gas bubbling device |
| 03/15/1992 | WO1992004998A1 Device for inserting and removing stopper bricks for metallurgical vessels |
| 03/10/1992 | US5094432 Tube that allows dissolution of the light metal for alloying, and prevents oxidation at the surface |
| 03/10/1992 | CA1297144C Gas scavenging apparatus for metallurgical vessels |
| 03/04/1992 | EP0473521A1 Method and device for feeding a powder or granular material into a continuous casting mold |
| 03/04/1992 | EP0473062A2 Differential pressure, countergravity casting with alloyant introduction |
| 03/01/1992 | CA2047544A1 Differential pressure, countergravity casting with alloyant introduction |
| 02/26/1992 | CA2049684A1 Gas purging device |
| 02/25/1992 | CA1296182C Apparatus for injecting alloying ingredient into molten metal stream |
| 02/20/1992 | WO1992002650A1 Liquid metal treatment |
| 02/19/1992 | EP0471245A1 Annular gap refractory filling in a metallurgical vessel |
| 02/19/1992 | EP0471027A1 Treatment of melts in a ladle and apparatus for such treatment |
| 02/19/1992 | CN1015553B Cast iron strong graphited inoculant |
| 02/11/1992 | US5087290 Desulfurization, magnesium treatment and inoculation in single step |
| 02/06/1992 | WO1992001525A1 Device for introducing particulate material |
| 01/29/1992 | EP0468832A1 Furnace for holding the temperature and for metallurgical treatment |
| 01/22/1992 | EP0467042A2 Process for producing a gas purging brick with directional porosity and high infiltration resistance for metallurgical vessels |
| 01/22/1992 | EP0466971A1 Method for manufacture of a compound part |
| 01/20/1992 | CA2047036A1 Process for producing a gas purging plug with increased resistance to infiltration and oriented porosity for use in metallurgical melting crucibles |
| 01/14/1992 | WO1992001075A1 Apparatus and process for casting metal matrix composite materials |
| 01/14/1992 | CA2046777A1 Oven with temperature holding for metallurgical treatment |
| 01/09/1992 | WO1992000392A1 Withdrawal device for ladle bricks |
| 12/31/1991 | US5076551 Flushing arrangement for a metallurgical vessel |
| 12/27/1991 | EP0462538A1 Vacuum-suction continuous degassing apparatus |
| 12/27/1991 | EP0462537A1 Vacuum-suction degassing apparatus |
| 12/27/1991 | EP0462535A1 Vacuum-suction degassing apparatus |
| 12/18/1991 | CN1057017A 合金吸收器 Alloy absorber |
| 12/17/1991 | CA2044725A1 Vacuum-suction degassing apparatus |
| 12/17/1991 | CA2044722A1 Vacuum-suction continous degassing apparatus |
| 12/15/1991 | WO1991019823A1 Melt process for the production of metal matrix composite materials with enhanced particle/matrix wetting |
| 12/15/1991 | CA2041437A1 Casting of molten iron and filters for use therin |
| 12/12/1991 | WO1991019012A1 A method of manufacturing compacted graphite cast iron |
| 12/04/1991 | CN1056715A Waste iron chip smelting direct casting piece technology |
| 11/27/1991 | EP0458040A2 Gas purging assembly with a perforated brick and a gas purging brick |
| 11/27/1991 | CN1014904B Brick for gas-blowing wash |
| 11/26/1991 | US5067693 Electric arc oven for treating molten metals with a gas and a process therefor |
| 11/20/1991 | CN1014823B Apparatus for spraying touch-up materials onto perforated brick |
| 11/20/1991 | CN1014803B Gas flushing brick |
| 11/19/1991 | US5066323 Compositions comprising hexafluorophosphates and metals as structure refiner for aluminium-silicon alloys |
| 11/19/1991 | US5065986 Automatic gas hookup to a ladle |
| 11/19/1991 | CA1292119C Apparatus for injecting substances into liquids |
| 11/13/1991 | EP0456001A2 Device for gas flushing |
| 11/13/1991 | CN1056128A Gas flushing device and sleeve brick and gas flushing brick for it |
| 11/08/1991 | CA2041925A1 Gas flushing brick |
| 10/15/1991 | US5056762 Apparatus for mounting a gas washing sink in a centered manner in a perforated brick |
| 10/15/1991 | CA1290574C Method of making steel |
| 10/08/1991 | US5054749 Tundish for continuous casting of steel |
| 10/02/1991 | CN2085688U Spheroidized foundry ladle |
| 09/24/1991 | US5050847 Staged valve multi-hole injection block and method |
| 09/11/1991 | EP0446152A1 Package for introducing light metal into a molten aluminium alloy |
| 09/11/1991 | CN1013884B High-efficiency inoculant of chrome-manganese series white iron |
| 09/04/1991 | EP0444320A2 Differential pressure countergravity casting with alloyant reaction chamber |
| 08/28/1991 | CA2030495A1 Differential pressure, countergravity casting with alloyant reaction chamber |
| 08/27/1991 | WO1991013176A1 A method for controlling and regulating the primary nucleation of iron melts |
| 08/27/1991 | CA2076850A1 Method for controlling and regulating the primary nucleation of iron melts |
| 08/14/1991 | DE4103717A1 Rotary stirrer for metal melts - made of vacuum slip cast fibre-reinforced refractory material |
| 08/13/1991 | US5038846 Differential pressure, countergravity casting with alloyant reaction chamber |
| 08/06/1991 | US5037072 Injection block and method |
| 07/23/1991 | US5033531 Casting of molten iron and filters for use therein |
| 07/17/1991 | CN1053027A Treatment vessel for treatment of molten metal melts |
| 07/17/1991 | CN1053026A Technology for processing molten manganese steel and equipment thereof |
| 07/09/1991 | CA1285762C Plug for a refining apparatus |
| 07/06/1991 | CA2033623A1 Vessel and method for the treatment of molten metal melts |
| 07/02/1991 | US5028392 Melt process for the production of metal-matrix composite materials with enhanced particle/matrix wetting |
| 07/02/1991 | CA1285393C Method for adding bismuth to steel in a ladle |
| 07/02/1991 | CA1285392C Hot metal desulphurizing and dephosphorizing process |
| 06/19/1991 | CN1012905B Preparing method of si-fe-bi instantaneous inoculant |
| 06/19/1991 | CN1012904B Compound modification agent for white case iron of cr 26 series |
| 06/18/1991 | CA1284877C Converter for preparing steel and a gas supply device for such a converter |
| 06/12/1991 | CN1052146A Self-cleaning method of steel ladle |
| 05/29/1991 | EP0428661A1 Device for removing worn nozzle bricks or nozzle linings from metallurgical vessels. |
| 05/21/1991 | US5016788 Pouring spout for servo-assisted opening, device incorporating it and implementation process |
| 05/07/1991 | CA1283768C Casting of molten ferrous metal and moulds for use therein |
| 04/18/1991 | DE4024698A1 Gas flushing brick - contained inside easily removable dome-shaped refractory block |
| 04/17/1991 | EP0421990A1 Scavenging of gas through a melt in a ladle |
| 04/16/1991 | US5007621 Apparatus for mounting a gas washing sink in a centered manner in perforated brick |
| 04/16/1991 | US5007366 Refractory gas permeable bubbling plug |
| 03/05/1991 | US4997167 Ladle inoculant dispenser |
| 02/27/1991 | EP0413894A1 Pneumatic steelmaking vessel and method of producing steel |
| 02/26/1991 | US4995596 Apparatus for repairing a perforated brick in a metallurgical vessel |
| 02/21/1991 | DE3927057A1 Prodn. of passivated near-eutectic aluminium-silicon alloy - comprises adding pre-alloy contg. strontium to melt just before tapping to reduce contact-time and hydrogen pick-up |
| 02/13/1991 | CN1049187A Gas injector |
| 02/13/1991 | CN1049117A Presmelting vitrification continuous casting protective slag and its producing technology |
| 02/12/1991 | US4991825 Gases into metallurgical vessels |
| 01/30/1991 | EP0410603A1 Casting of molten iron and filters for use therein |
| 01/30/1991 | EP0410360A1 Agent for treating of castiron melts |
| 01/27/1991 | CA2021505A1 Casting of molten iron and filters for use therein |
| 01/27/1991 | CA2021321A1 Apparatus and method for shrouding of liquid steel during filling of ingot molds |
| 01/26/1991 | CA2021451A1 Agent for the treatment of cast iron melts, process for the production thereof and the use thereof for treating cast iron melts |
| 01/16/1991 | EP0407727A2 Gas bubbling device |
| 01/15/1991 | CA1278908C Process for producing compacted graphite iron castings |
| 12/27/1990 | EP0404641A1 Tundish for continuous casting steel |
| 12/19/1990 | EP0403466A2 A flushing arrangement for a metallurgical vessel |