| Patents for B22D 1 - Treatment of fused masses in the ladle or the supply runners before casting (3,331) |
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| 11/02/1989 | EP0339644A1 Method for refining silicon metal and ferrosilicon alloys |
| 11/02/1989 | EP0339174A1 Lance for injection or blowing-up with a cooling chamber |
| 10/26/1989 | DE3907887A1 Bubble brick |
| 10/26/1989 | DE3831726C1 Process for producing a moulded brick in the shape of a truncated cone for gas bubble bricks |
| 10/26/1989 | DE3812545A1 Gas bubble brick |
| 10/25/1989 | CN1036522A Brick for gas-blowing wash |
| 10/19/1989 | WO1989009836A1 Refractory-gas permeable bubbling plug |
| 10/18/1989 | EP0337982A1 Refractory gas permeable bubbling plug |
| 10/03/1989 | CA1262036A1 Manufacturing method of a ceramics body having through holes |
| 09/26/1989 | US4869750 Baffle to cause agglomeration of particles |
| 09/26/1989 | CA1261620A1 Apparatus for introducing treatment substances into liquids |
| 09/26/1989 | CA1261148A1 Sleeve for blowing solid material into a molten metal |
| 09/20/1989 | CN1035681A Alloy substituting bismuth for inoculated cast iron |
| 09/19/1989 | US4867227 Controlled fluid flow by mounting inoculate body in mold recesses |
| 09/14/1989 | DE3807281A1 Wire injection machine |
| 09/14/1989 | DE3806977A1 Process for controlling the flow when blowing a gas in through a bottom bubble brick during the smelting of metals |
| 09/13/1989 | EP0332483A1 Nozzle for assisting orifice,device incorporated therein and method for method for carrying out |
| 08/30/1989 | CN2043533U Foundry ladle with a cover specially adapted to pretreatment of spherulitic iron and creep iron furnaces |
| 08/24/1989 | WO1989007659A1 Gas-permeable block for metallurgical operations |
| 08/23/1989 | EP0329645A1 Gas bubbling plug |
| 08/22/1989 | US4858894 Stirring block with unidirectional grain structure having improved erosion resistance |
| 08/03/1989 | DE3802265A1 Withdrawal device for gas bubble bricks, secure against breakthroughs |
| 08/02/1989 | EP0325709A2 Gas flushing brick |
| 07/19/1989 | CN1033952A Gray iron and nodulizing inner inoculation lump |
| 07/11/1989 | CA1257091A1 Gas purge brick for metallurgical furnaces and vessels |
| 07/11/1989 | CA1257067A1 Installation for casting molten nonferrous metals |
| 06/21/1989 | EP0320841A2 Device for coupling a metallurgical ladle to the gas supply |
| 06/21/1989 | EP0320673A1 Metallurgical vessel |
| 06/20/1989 | US4840356 Externally replaceable stirring plug for molten metal vessels |
| 06/20/1989 | US4840354 Stirring brick with shaped gas volume control openings |
| 06/15/1989 | DE3815664C1 Gas bubble brick for metallurgical vessels and method for its manufacture |
| 06/06/1989 | US4836433 Device for introducing stirring gas into molten metal in metered amount |
| 05/24/1989 | EP0317187A2 Metallurgical tuyere and method of calibrating same |
| 05/24/1989 | CN2038038U Quantitative feeder with pregnancy of enclosed mouth |
| 05/17/1989 | CN1032960A Exothermic, slag trapping and insulating covering agent |
| 05/17/1989 | CN1032959A Slagging heat-insulating covering agent |
| 04/25/1989 | US4824080 Apparatus for introducing gas into molten metal baths |
| 04/25/1989 | US4824079 Injection valve components and method |
| 04/19/1989 | EP0311785A1 Stirring brick for metallurgical vessels |
| 04/11/1989 | CA1252268A1 Process for control of continuous casting conditions |
| 04/05/1989 | EP0309517A1 Devices and apparatus for injecting gas into high temperature liquids, e.g. molten metals |
| 03/28/1989 | US4815715 Gas purging assembly for supplying gas to molten metal in a metallurgical vessel |
| 03/22/1989 | CN1031863A Process for adding selenium to molten steel |
| 03/22/1989 | CN1031832A Process for gas-circulating brick |
| 03/01/1989 | EP0304551A1 Gas-flushing plug and method of making the same |
| 02/22/1989 | EP0187777B1 Device for the injection of gases into molten metals and minerals |
| 02/15/1989 | EP0302914A1 Devices and apparatus for injecting gas into high temperature liquids, e.g. molten metals |
| 02/08/1989 | EP0302540A1 Method of inoculation of castiron |
| 02/07/1989 | US4802655 Apparatus for injecting substances into liquids |
| 02/01/1989 | CN1030792A Recovery of vanadium oxide |
| 01/24/1989 | US4799649 Injection valve components and method |
| 01/03/1989 | US4795138 For the injection of gases |
| 01/03/1989 | CA1247861A1 Gas permeable element of a refractory material |
| 12/28/1988 | EP0297067A1 Metallurgical nozzle |
| 12/08/1988 | DE3717595A1 Gas bubble device for metallurgical vessels |
| 12/08/1988 | DE3716920A1 Gas bubble system with gas break-through protection means |
| 12/07/1988 | CN88102572A Metallurgy of metals by adding rare earth elements to eleminate the process of ingot casting and blanking |
| 12/06/1988 | US4789141 Nozzles for injecting substances into liquids |
| 11/30/1988 | EP0292670A2 Refractory ceramic molded body |
| 11/23/1988 | EP0291645A1 Apparatus for injecting alloying ingredient into molten metal stream |
| 11/17/1988 | EP0290766A2 Gas flushing plug |
| 11/08/1988 | US4783059 Tuyere for treating molten metal |
| 11/08/1988 | US4783058 Lance for treating molten metal |
| 11/02/1988 | EP0289295A1 Liquid metal launder |
| 10/27/1988 | DE3800665C1 Method and apparatus for ingot casting |
| 10/26/1988 | CN88100857A Manufacturing process of granular protecting cinder for continuous casting |
| 10/25/1988 | US4779849 Gas washing device with reduced gas flow upon wear of gas sink |
| 10/25/1988 | US4779668 Melt metal and additive in casting cavity |
| 10/25/1988 | US4779663 Process and apparatus for producing ductile iron castings |
| 10/20/1988 | WO1988008041A1 Devices and apparatus for injecting gas into high temperature liquids, e.g. molten metals |
| 10/12/1988 | EP0286435A1 Devices and apparatus for injecting gas into high temperature liquids, e.g. molten metals |
| 09/27/1988 | CA1242326A1 Treatment of molten metal |
| 09/27/1988 | CA1242320A1 Apparatus for introducing substances into liquids e.g. metal melts |
| 09/20/1988 | US4773079 Process for melting down and degassing lumpy material |
| 09/20/1988 | US4772319 Process for treating molten aluminum to remove hydrogen gas and non-metallic inclusions therefrom |
| 09/20/1988 | US4771992 Multi-hole injection valve |
| 09/14/1988 | EP0281599A1 A blast pipe, preferably for use in metallurgical processes |
| 09/07/1988 | EP0281267A1 Devices and apparatus for injecting gas into high temperature liquids, E.G. molten metals |
| 09/07/1988 | EP0280765A2 Method of and installation for producing castings from pressure treated melts from steel alloys |
| 09/06/1988 | US4768756 Converter for preparing steel and a gas supply device for such a converter |
| 09/06/1988 | US4768267 Method for assembling a gas circulation block provided for metallurgical vessels |
| 08/30/1988 | US4767598 Purging gas mixed in chamber; oxygen-free, nonexplosive; alloying |
| 08/30/1988 | US4767036 Apparatus and method for emptying metallurgical vessels containing metal and slag |
| 08/30/1988 | CA1241179A1 Tundish for continuous casting of free cutting steel |
| 08/25/1988 | WO1988006191A1 Devices and apparatus for injecting gas into high temperature liquids, e.g. molten metals |
| 08/02/1988 | CA1239791A1 Apparatus for degassing molten metal |
| 07/20/1988 | CN86108775A Activator mixture for increasing strength of iron alloys |
| 07/19/1988 | US4758269 Method and apparatus for introducing gas into molten metal baths |
| 07/13/1988 | EP0273947A1 Improvements in nozzles for injecting substances into liquids. |
| 07/06/1988 | EP0273855A1 Purging plug for metallurgical vessels |
| 07/06/1988 | EP0273576A1 Wire injection nozzle |
| 07/06/1988 | CN86108485A Compound modification agent for white cast iron of cr 26 series |
| 07/06/1988 | CN86106799A Technique of continuous casting of high strength cast-iron pipe by adding low amount of rare-earth alloy |
| 07/05/1988 | US4754954 Refractory device for introducing a gas into a molten metal and a method for making the device |
| 06/27/1988 | EP0202239A4 Continuous casting method and ingot produced thereby. |
| 06/22/1988 | CN86108225A Powder delivering device for rare-earth alloys by injection method |
| 06/16/1988 | WO1988004330A1 Gas rinsing block for metallurgical vessels |
| 06/16/1988 | DE3707322C1 Wire injection machine |
| 06/15/1988 | EP0270645A1 Improvements in apparatus for injecting substances into liquids |
| 06/14/1988 | US4751047 Method of adding low-melting-point metal to molten steel |