| Patents for B22D 1 - Treatment of fused masses in the ladle or the supply runners before casting (3,331) |
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| 12/18/1990 | US4978108 Gas washing sink without integral closure member |
| 12/12/1990 | EP0273947B1 Improvements in nozzles for injecting substances into liquids |
| 12/10/1990 | WO1990015161A1 Device for removing worn nozzle bricks or nozzle linings from metallurgical vessels |
| 12/10/1990 | CA2033185A1 Device for removing worn nozzle bricks or nozzle linings from metallurgical vessels |
| 12/04/1990 | CA1277138C Method of assembling a gas circulation block provided for metallurgical vessels |
| 11/20/1990 | US4971295 Safety-type gas washing sink having improved heat dissipation properties |
| 11/20/1990 | CA2013128A1 Purifying molten metal |
| 11/15/1990 | WO1990013382A1 Treatment of melts in a ladle and apparatus for such treatment |
| 11/07/1990 | EP0396267A1 Method and apparatus for the treatment of molten metals |
| 11/07/1990 | EP0395767A1 Method of obtaining spheroidal graphite cast iron |
| 11/05/1990 | CA2015341A1 Method and apparatus for the treatment of molten metals |
| 11/01/1990 | WO1990012895A1 Gas injector |
| 10/31/1990 | DE3926786C1 Gas injection in molten metal - using injection pipe in refractory lining of arc furnace vessel, etc. |
| 10/24/1990 | CN1010106B Improvements in apparatus for injecting substances into liquids |
| 10/17/1990 | CN1046195A High-efficiency inoculant of chrome-manganese series white iron |
| 09/25/1990 | US4958809 Liquid metal launder |
| 09/19/1990 | EP0388255A1 Arc furnace and process for smelting scrap |
| 09/18/1990 | US4958358 Apparatus for the thermal treatment of a metallic melt |
| 09/18/1990 | US4957542 Dehydrogenation, decarbonization, nitriding |
| 09/15/1990 | CA2012080A1 Electric arc furnace and scrap iron melting process |
| 08/23/1990 | DE3907500C1 Gas bubble brick with directed porosity and method for its manufacture |
| 08/23/1990 | DE3904356A1 Gas bubble device |
| 08/15/1990 | CN1009208B Injection of substances into high temp. liquids |
| 08/09/1990 | DE3911881C1 Fired gas flushing brick - for decarburisation of molten steel in vacuum vessel, comprises ceramic parallel tube lets |
| 08/01/1990 | EP0202239B1 Continuous casting method and ingot produced thereby |
| 08/01/1990 | CN1008983B Powder delivering device for rare-earth alloys by injection method |
| 07/31/1990 | US4944497 Flushing block |
| 07/31/1990 | US4944496 Apparatus for injecting gas into high temperature liquids, e.g. molten metals |
| 07/24/1990 | US4943411 Process for treating molten iron with magnesium additions |
| 07/18/1990 | CN1008798B Exothermic, slag trapping and insulating covering agent |
| 07/18/1990 | CN1008797B Slagging heat-insulating covering agent |
| 07/04/1990 | EP0376142A1 Gas-flushing installation |
| 07/04/1990 | CN1008608B Gray iron and nodulizing inner inoculation lump |
| 07/03/1990 | US4938461 Device for distributing gas into molten metal |
| 07/03/1990 | US4938459 Mechanically sealed tuyere block |
| 06/27/1990 | CN1008541B Improvements in nozzles for injecting substances into liquids |
| 06/22/1990 | CA2006112A1 Injection device |
| 06/21/1990 | DE3912560C1 Degassing system for melting crucible - includes impeller on shaft with drive resting on crucible edge, transportable gas bottle, etc. |
| 06/20/1990 | CN1043162A Cast iron strong graphited inoculant |
| 06/13/1990 | CN1008378B Injection tube for fibred material |
| 06/05/1990 | US4931090 Pneumatic steelmaking vessel and method of producing steel |
| 06/05/1990 | US4930757 Tuyere for metallurgical vessels |
| 05/30/1990 | CN1008149B Technique of continuous casting of high strength cast-iron pipe by adding low amount of rare-earth alloy |
| 05/17/1990 | WO1990005197A1 Method of obtaining spheroidal graphite cast iron |
| 05/16/1990 | CN1042186A Method for regulating nodulizing rate of ductile iron in front of furnace |
| 05/16/1990 | CN1007992B Method of adjusting graphite form of creeping nodular cast iron by sulfur contg materials |
| 05/15/1990 | US4925166 Gas flushing brick for metallurgical vessels |
| 05/10/1990 | DE3837559A1 Method for the production of monolithic metallic blanks by controlled solidification |
| 05/08/1990 | US4922995 Method of producing monolithic metal blanks by freezing-on techniques |
| 05/02/1990 | EP0365803A1 Device for the projection of a repairing material on a perforated brick |
| 05/02/1990 | CN1041788A 气体冲洗砖 Gas flushing brick |
| 04/25/1990 | EP0364724A1 Gas washing device |
| 04/25/1990 | EP0364723A1 Gas bubbling device |
| 04/25/1990 | EP0264385B1 Injection of substances into high temperature liquids |
| 04/25/1990 | CN1041617A Gas bubbling device |
| 04/25/1990 | CN1041616A Gas bubbling brick |
| 04/25/1990 | CN1041615A Gas bubbling device |
| 04/25/1990 | CN1041614A Apparatus for spraying touch-up materials onto perforated brick |
| 04/24/1990 | US4919397 Stationary injection block and injection slide plate for use with an injection valve |
| 04/24/1990 | US4919188 Mould and process for the production of nodular or compacted graphite iron castings |
| 04/24/1990 | CA1268044A1 Manufacture of calmed steel with low nitrogen content |
| 04/18/1990 | EP0363651A1 Gas purging brick |
| 04/18/1990 | EP0363464A1 Refractory-gas permeable bubbling plug |
| 04/11/1990 | EP0362475A2 Gas-flushing brick |
| 03/27/1990 | CA1266970A1 Nozzle arrangement for injecting gases or solid matter into a ladle containing molten metal |
| 03/21/1990 | EP0359052A1 Gas flushing brick equipment for metallurgical melting melting vessels. |
| 03/07/1990 | EP0356483A1 Gas-permeable block for metallurgical operations |
| 03/06/1990 | US4905971 Refractory ceramic sink |
| 02/27/1990 | US4903948 Metallurgical vessel |
| 02/20/1990 | US4901983 Blast pipe for metallurgical processes having refractory coated surfaces |
| 02/15/1990 | DE3826940A1 Apparatus and process for moulding refractory products |
| 02/14/1990 | CN1006778B Bubbler with protective sleeve or fluid coolant jacket |
| 02/13/1990 | US4900357 Injection of substances into high temperature liquids |
| 02/13/1990 | US4899992 Devices and apparatus for injecting gas into high temperature liquids, e.g. molten metals |
| 02/07/1990 | EP0354039A2 Inoculant dispensing apparatus for molted metal ladle |
| 02/01/1990 | DE3808367C1 Gas bubble brick |
| 01/31/1990 | EP0352356A1 Process and relevant equipment for carrying out the continuous casting of steel in the complete absence of oxidating agents |
| 01/31/1990 | CN1039266A Preparing method of si-fe-bi instantaneous inoculant |
| 01/31/1990 | CN1006609B Purification treatment of molten iron in middle-zized mould cavity by centrifugal casting |
| 01/24/1990 | EP0352035A2 Improved mixing and casting techniques |
| 01/23/1990 | CA1264544A1 Ceramic filter and method for using same |
| 01/18/1990 | DE3823897A1 Apparatus and process for producing refractory blocks |
| 01/11/1990 | WO1990000242A1 Scavenging of gas through a melt in a ladle |
| 01/10/1990 | EP0349530A1 Gas rinsing block for metallurgical vessels |
| 01/03/1990 | CN1006302B Decontamination plant on the metallurgical revolving furnace |
| 01/02/1990 | US4890662 Mixing and cooling techniques |
| 12/21/1989 | DE3820611A1 Device for manufacturing components made of ceramic or refractory material with at least one incorporated slot-shaped through-duct |
| 12/20/1989 | EP0347351A1 Process for treating molten steels by the injection of gas through the bottom of the ladle |
| 12/20/1989 | EP0347052A1 Mould and process for the production of nodular or compacted graphite iron castings |
| 12/20/1989 | EP0346960A1 Hexafluorophosphates as structure refiner for aluminium-silicon alloys |
| 12/20/1989 | CN1006125B Gas blow-washing stopper rod for melted metal container |
| 12/19/1989 | US4887661 Casting mold for foundry castings |
| 12/14/1989 | DE3901926C1 Gas bubble device |
| 12/07/1989 | DE3818000A1 Installation for treating molten metals |
| 12/05/1989 | US4884787 Refractory, ceramic, shaped member |
| 11/29/1989 | EP0344092A2 Thermal treatment installation for molten metal |
| 11/28/1989 | US4883259 Apparatus for coupling a metallurgical ladle to a gas supply |
| 11/22/1989 | CN1037361A Injection or blowing lance comprising cooling chamber |
| 11/16/1989 | DE3815663A1 Gas bubble brick for metallurgical vessels |
| 11/14/1989 | CA1262826A1 Molten metal casting |