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Class Information
Number: 266/269
Name: Metallurgical apparatus > Means for introducing fluent into vessel, e.g., tuyere > Having drain means or cleaner insertion means, e.g., punch hole
Description: Device wherein means are provided which will either allow a blockage removing cleaning implement to be inserted into the introducing means or allows undersized material contained within the introducing means to run off.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7452498 |
Pressure-regulating device, transportation vehicle, and pressure difference-controlling unit |
Nov. 18, 2008 |
| 7371342 |
Method for unlocking nozzles of reactors |
May. 13, 2008 |
| 7364690 |
Device for injecting a treatment gas into a molten metal |
Apr. 29, 2008 |
| 6835229 |
Method and apparatus for clearing a powder accumulation in a powder delivery tube |
Dec. 28, 2004 |
| 5928603 |
Device for sealing a lance in an opening for introduction of the lance into a container under pressure |
Jul. 27, 1999 |
| 5925312 |
Push-pull apparatus adapted for assembling and disassembling a tubular body that is to be fitted into a ring retainer on a wall member |
Jul. 20, 1999 |
| 5626753 |
System and method for the transport of lime |
May. 6, 1997 |
| 5542650 |
Apparatus for automatically cleaning smelt spouts of a chemical recovery furnace |
Aug. 6, 1996 |
| 5481247 |
Blast furnace tuyere sensor system |
Jan. 2, 1996 |
| 5462260 |
Device for inserting a lance into a pressurized container, in particular a blast furnace |
Oct. 31, 1995 |
| 5397108 |
Peepsight for blast furnace tuyere sensor system |
Mar. 14, 1995 |
| 5238158 |
Immersion nozzle exchanging apparatus |
Aug. 24, 1993 |
| 5176875 |
Tubular water-cooled jacket for furnaces |
Jan. 5, 1993 |
| 5167192 |
Damper controller for a chemical recovery furnace |
Dec. 1, 1992 |
| 5070823 |
Port rodder with anti-drift feature |
Dec. 10, 1991 |
| 4989839 |
Automatic tuyere puncher |
Feb. 5, 1991 |
| 4838182 |
Apparatus for regulating air flow through an air port of a chemical recovery furnace |
Jun. 13, 1989 |
| 4706324 |
Apparatus for automatically cleaning smelt spouts of a chemical recovery furnace |
Nov. 17, 1987 |
| 4619533 |
Tuyere pyrometer |
Oct. 28, 1986 |
| 4423533 |
Furnace air port cleaner |
Jan. 3, 1984 |
| 4353530 |
Method and apparatus for automatically punching the tuyeres of a converter |
Oct. 12, 1982 |
| 4317561 |
Holder for an oxygen lance |
Mar. 2, 1982 |
| 4285504 |
Tuyere sealing means and silencer |
Aug. 25, 1981 |
| 4114865 |
Silencer for use on tuyere punchers |
Sep. 19, 1978 |
| 3946949 |
Nozzle for rotary kiln |
Mar. 30, 1976 |
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