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A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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| Number | Title | Issue Date |
| 8173064 | Method for operating a shaft furnace, and shaft furnance operable by that method Method for operating a shaft furnace, whereby an upper section of the shaft furnace is charged with raw materials which due to gravity descend inside the furnace while the atmosphere prevailing within the shaft furnace causes part of the raw materials to melt and/or... | 05/08/2012 |
| 6576040 | Process and plant with oxygen-enriched air feed for a non-ferrous metal production unit All of the air is compressed in a single compressor, which feeds a smelter for smelting ore, a converter for converting matte coming from the smelter and an air separation unit which delivers two oxygen streams for enriching the air. A buffer tank is used... | 06/10/2003 |
| 4588168 | Device for regulating the delivery of hot air in a tuyere stock of a shaft furnace and a tuyere stock which incorporates the same An apparatus for regulating the feed or delivery of hot air in the tuyere stock of a shaft furnace, and a tuyere stock which incorporates such a regulating apparatus is presented. The regulating apparatus may be used in conjunction with a tuyere stock for... | 05/13/1986 |
| 4395166 | Fluidization and distribution A pulverized material, particularly coal or lignite, is maintained in a fluidized state in a storage container and is released therefrom into a carrier gas stream. The gas for causing fluidization and maintaining a pressure in the container which is great... | 07/26/1983 |
| 4374585 | Apparatus for the direct reduction of iron ores A process for the direct reduction of iron ore in a shaft furnace having an upper reducing zone and a lower cooling zone in which reducing gas is introduced to the furnace at the bottom of the reducing zone around the periphery of the furnace, exhausted r... | 02/22/1983 |
| 4363473 | Apparatus for reducing iron ore or the like A reduction process and apparatus wherein the flow of the reducing fluid through the fixed bed of iron ore, oxidized pellet or the like to be reduced is reversed in direction so that the iron ore, oxidized pellet or the like, at any place in the bed, may ... | 12/14/1982 |
| 4325312 | Method and installation of injection of solid fuels into a shaft furnace A pulverized solid fuel is injected into a shaft furnace by being entrained in a stream of pressurized air, the resulting fuel-air mixture subsequently being further mixed with heated air being delivered to the furnace via a tuyere. The air used to entrai... | 04/20/1982 |
| 4118017 | Shaft furnace design Method and apparatus are described for the controlled cooling of processed oxidic ores in a shaft furnace in order to produce an improved product. Means are provided in the cooling section of the furnace chamber that enable the chamber to be divided into ... | 10/03/1978 |
| 4042226 | Method and apparatus for producing metallic iron pellets A method of producing metallic iron pellets in a generally vertical furnace in which a gravitational flow of particulate material is reduced in a reducing zone by a countercurrent flow of a reducing gas containing a reductant, the spent reducing gas is re... | 08/16/1977 |
| 3973761 | Furnace tapping apparatus A method and an apparatus for stopping the flow of metal from the taphole of a furnace. The method comprises the step of blowing air into the taphole with sufficient pressure to reverse the flow of the molten metal, and then reducing the pressure to a val... | 08/10/1976 |
| 3945624 | Reduction kiln having a controllable distribution system A process and apparatus are disclosed for delivering fuel and air to a rotary reduction kiln wherein both the fuel and air alternately flow through the same fluid distribution nozzle. Means are provided about the kiln for operating means to alternately de... | 03/23/1976 |
