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Class Information
Number: 266/271
Name: Metallurgical apparatus > Means sealing or opening aperture in vessel
Description: Device a) for plugging openings in the walls of treating or holding receptacles or b) for tapping such openings or otherwise removing plugs or other blockages therefrom.










Sub-classes under this class:

Class Number Class Name Patents
266/272 By means plugging aperture 98


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8210402 Slag control shape device with L-shape loading bracket Jul. 3, 2012
8062577 Alumina taphole fill material and method for manufacturing Nov. 22, 2011
7611664 Container for supplying molten metal and safety device Nov. 3, 2009
7563407 Thermal lance assembly Jul. 21, 2009
7479251 Device and method for casting and drawing out molten iron-containing and mineral materials Jan. 20, 2009
7381383 Treating apparatus, treating method and method of treating soil Jun. 3, 2008
6685876 Method for automatically controlling hydraulic opener Feb. 3, 2004
6663825 Method and apparatus for installing or replacing a furnace tap hole insert Dec. 16, 2003
6627146 Stopper module device for a casting machine furnace apparatus Sep. 30, 2003
6602069 Plug members for steel furnaces Aug. 5, 2003
6602461 Arrangement for pouring a pourable melt made up of a copper alloy Aug. 5, 2003
6500383 Tapping tool Dec. 31, 2002
6478201 Stopper for continuous casting Nov. 12, 2002
6379608 Method for closing and opening a tapping hole of a metallurgical vessel Apr. 30, 2002
6269890 Tap hole drill Aug. 7, 2001
6251338 Pivoting device with arm and control rod Jun. 26, 2001
6248288 Rotating mechanism with arm Jun. 19, 2001
6245286 Swivel device with cantilever arm Jun. 12, 2001
6221313 Taphole knockout device Apr. 24, 2001
6120726 Automatic tapping thimble Sep. 19, 2000
6110415 Device for opening furnace tap holes Aug. 29, 2000
6086816 Tap hole drilling machine for blast furnace, drill bit for use in tap hole drilling machine, and tap hole drilling method Jul. 11, 2000
6026997 Stopper rod Feb. 22, 2000
5888448 Tap-hole drilling machine Mar. 30, 1999
5851414 Tundish stopper rod for continuous casting Dec. 22, 1998
5846034 Automated drill stem guide and method Dec. 8, 1998
5783140 Method and apparatus for opening discharge outlets Jul. 21, 1998
5718415 Flow control device for the outlet nozzle of a metallurgical vessel Feb. 17, 1998
5657997 Fixing device for a ceramic sealing plate Aug. 19, 1997
5610346 Apparatus for storing and dropping expendable BOF sensors Mar. 11, 1997
5542650 Apparatus for automatically cleaning smelt spouts of a chemical recovery furnace Aug. 6, 1996
5538226 Pushing machine moveable on rail for operating into the slag hole of steel smelting electric furnaces Jul. 23, 1996
5511768 Tap hole plugging device Apr. 30, 1996
5487532 Device for inserting a lance into a pressurized container, in particular a blast furnace Jan. 30, 1996
5476250 Machine for piercing a taphole for a shaft furnace Dec. 19, 1995
5439202 Apparatus for removing a cover from a hot metal transfer car Aug. 8, 1995
5395095 Combined machine for opening and plugging a taphole in a shaft furnace Mar. 7, 1995
5393038 Method facilitating the introduction of a piercing rod into a taphole of a shaft furnace and special clamp for implementing this method Feb. 28, 1995
5351939 Machine for piercing a taphole for a shaft furnace Oct. 4, 1994
5348430 Universal chuck for a machine for piercing a tap hole of a shaft furnace Sep. 20, 1994
5338013 Machine for piercing a taphole for a shaft furnace Aug. 16, 1994
5333839 Machine for boring a tap hole of a shaft furnace Aug. 2, 1994
5333843 Device for installing and removing gas purging plugs for metallurgical vessels Aug. 2, 1994
5330690 Process and apparatus for renewing the refractory lining of foundry ladles Jul. 19, 1994
5320330 Gas tight lance closure at a cooling chimney hood for steel convertors Jun. 14, 1994
5308047 Machine for piercing a taphole for a shaft furnace May. 3, 1994
5303905 Refractory ceramic stopper, apparatus for support thereof, and assembly thereof Apr. 19, 1994
5259596 Erosion resistant stopper rod Nov. 9, 1993
5254829 Use of a plasma torch to open a tap hole in a metal furnace Oct. 19, 1993
5249811 Refractory joint packing for an annular gap in a metallurgical vessel Oct. 5, 1993

1 2 3 4










 
 
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