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Pizza Pie With Concentric Rings of Crust

A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.

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Class 75/378 - Pressure sensed


Subclass of Class 75 - Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
Definition: Process in which the pressure of the material is determined.
No. of patents: 24
Last issue date: 07/12/2011


NumberTitleIssue Date
7976610Pressure control in direct smelting process
A direct smelting process for producing molten metal from a metalliferous feed material in a direct smelting vessel is disclosed. The process includes using a stream of off-gas from the vessel as a fuel gas in (i) stoves for generating a hot blast of air or oxygen-e...
07/12/2011
7209871Prediction of cavity size in the packed bed systems using new correlations and mathematical model
It has been reported in the literature that raceway measurement made during the decreasing gas velocity is relevant to operating blast furnaces. However, no raceway correlation is available either for decreasing or increasing gas velocity which is developed based on...
04/24/2007
6830606Method for decarbonization refining of chromium-containing molten steel
The present invention: solves the problems of hitherto disclosed technologies, such as insufficient suppression of the oxidation loss of [Cr] and the excessive erosion of refractories, in the decarburization-refining of chromium-contained molten steel under a normal...
12/14/2004
6666902Ladle refining apparatus and ladle refining method using it
The present invention provides a lade refining apparatus capable of suppressing skull deposition in a vacuum/decompression chamber and performing molten steel agitation, slag reforming and degassing efficiently, and a ladle refining method using the appar...
12/23/2003
6423114Pressure control
A direct smelting process for producing molten iron and/or ferroalloys from a metalliferous feed material is disclosed. The process is a molten bath based process that is carried out in a direct smelting vessel. The process includes the steps of supplying...
07/23/2002
6409790Method and apparatus for practicing carbonaceous-based metallurgy
An energy efficient, coal-based method and apparatus that are environmentally friendly which produce under pressure metallized/carbon product and molten metal directly from abundant coal or other carbonaceous material, and low cost fines (or ore concentra...
06/25/2002
6284016Pressure converter steelmaking method
The invention intends to provide a converter refining method capable of blowing molten steel having a low degree of superoxidation with high productivity and high yield. A first aspect resides in a pressurized converter steelmaking method for use in a top...
09/04/2001
6231638Process for producing metal from metal ores
The invention concerns a process for producing metal from metal ores, in particular crude or pig iron from iron ore, wherein the ore which contains metal oxides is brought into contact with a reducing gas which contains carbon and/or hydrogen from solid, ...
05/15/2001
6090181Blast furnace operating method
A method of operating a blast furnace enables substantial improvement of gas permeability and liquid permeability for stable operation of the blast furnace, involves packing the core section with solid high strength, carbonaceous blocks prior to ignition ...
07/18/2000
5772727Process for the production of metal from metal ores
A process of producing metal from a metal ore containing metal oxides includes the steps of: obtaining a reducing gas containing at least one of carbon and hydrogen from solid substances containing at least one of carbon and hydrocarbons; bringing the ore...
06/30/1998
5766307Method of treating zinc-containing substance
Method and apparatus for collecting valuable products, particularly zinc, from a zinc-containing substance such as electric furnace dust. A shaft type smelting reduction furnace has a packed bed of a carbonaceous solid reducing agent and has upper and low...
06/16/1998
5762682Method and apparatus for processing ferrous materials
In steel-making, there are conflicting processing requirements at different stages of the process. The method and apparatus of the invention creates different processing conditions at different stages of the process. Molten ferrous material (2) is stirred...
06/09/1998
5599379Apparatus and method for recovering non-ferrous metals from hot dross
Method and apparatus for recovering free aluminum from a metal bearing dross containing free aluminum metal and oxides of the metal. Hot dross is collected from a hot dross source into a vessel, and the vessel is placed into a sealable storage container. ...
02/04/1997
5246482Molten metal producing and refining method
The disclosure relates to a molten metal producing and refining method which does not damage the apparatus, realizes a stable and high second combustion rate, and is capable of effectively recovering heat generated by the second combustion. The method com...
09/21/1993
4963186Method for operating blast furnace by adding solid reducing agent
Disclosed herein is a method for operating blast furnace, wherein, when charging coke and ore alternately from the furnace top to form alternate coke and ore layers for operation of a blast furnace, a coke layer is formed by charging coke of properties es...
10/16/1990
4668285Process and installation for the continuous control of a blast-furnace
This process and this installation permit taking samples of blast-furnace gas from a series of orifices (T1, T2 . . . ) located at different levels along a generatrix of the body of the blast-furnace. There are performed, in sequence, operations for prepa...
05/26/1987
4511399Control method for large scale batch reduction of zirconium tetrachloride
This is a control method for large scale batch reduction of zirconium tetrachloride to zirconium metal. Solid zirconium tetrachloride is fed at least periodically into a sublimer and the sublimer heated to vaporize the zirconium tetrachloride. The vaporiz...
04/16/1985
4427183Gas control system for steel-making converters
A system for evacuating gases from a top blown steel making converter measures any actual value pressure in a chamber between the seal of a closure ring and duct on which this ring is mounted for movement toward and away from the converter mouth, thereby ...
01/24/1984
4427443Process and apparatus for automating a vacuum degasification cycle for metal alloys
Apparatus and process for automating a vacuum degasification cycle for metal alloys, particularly aluminum alloys. The process comprises adjusting the degasification speed to sequentially correspond to a plurality of sets of degasification speed parameter...
01/24/1984
4415362Nodular iron making and/or storing
A melt of magnesium-containing nodular iron partially fills an enclosure forming a space above the melt which fills with the vapor of magnesium evaporated from the melt. Magnesium is fed into the space where the magnesium vaporizes and increases the vapor...
11/15/1983
4368072Iodide cell vapor pressure control
A method of controlling the vapor pressure inside of an iodide decomposition vessel or apparatus for an iodide decomposition process by directly measuring the pressure inside the cell and adjusting the temperature of the lid of the cell. Zirconium and haf...
01/11/1983
4273312Method of process off-gas control
A method of controlling a process off-gas system by generating a model of the input to the system as a function of the gas generating inputs to the process vessel served by the off-gas system and feeding forward this flow representation as the set point f...
06/16/1981
4248625Method of operating a blast furnace
A method of operating a blast furnace comprising the steps of selecting sight factors mathematically and statistically as effective in determining the operating condition of a blast furnace, sensing the eight factors as sample data, converting the sample ...
02/03/1981
3941586Method and apparatus for regenerating cold traps within liquid-metal systems
Oxide and hydride impurities of a liquid metal such as sodium are removed from a cold trap by heating to a temperature at which the metal hydroxide is stable in a molten state. The partial pressure of hydrogen within the system is measured to determine if...
03/02/1976
 
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