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Class 241/40 - Stationary abutment impact only


Subclass of Class 241 - Solid material comminution or disintegration
Definition: Apparatus in which the fluid type comminution is due solely
No. of patents: 72
Last issue date: 07/12/2011


1    
NumberTitleIssue Date
7975942Modular air knife and wear plate for cyclonic comminuter
An air knife module assembly and a replaceable wear plate member are provided for a cyclonic comminuting and dehydrating machine. The air knife and wear plate can be formed in a modular configuration with the wear plate being mountable into an opening formed in the ...
07/12/2011
7513447Muller
A muller for finely mulling a material to be processed is disclosed. The muller comprises a nozzle unit (10) including feed lines (12a and 12b) and hollow pipe lines (120a and 120b), a mulling unit (2...
04/07/2009
7438245Milling and classifying apparatus, collision mill, air classifier, toner, and method for producing toner
Disclosed is a milling and classifying apparatus, adapted to produce toner fine particles, comprising a collision mill, and an air classifier, wherein the collision mill comprises a jet nozzle room, a path, a collision plate, and a collision member mounted to a supp...
10/21/2008
7338629Integrated metal processing facility
A system and method for forming and heat treating a metal casting are provided. ...
03/04/2008
7331374Method and apparatus for assisting removal of sand moldings from castings
Disclosed is a method for dislodging a mold from a casting formed within the mold. The mold may be removed from the casting by scoring the mold and applying a force sufficient to cause the mold to fracture and break into pieces. Additionally, the mold may be fractur...
02/19/2008
7290583Methods and apparatus for heat treatment and sand removal for castings
A system and method for heat treating castings and removing sand cores therefrom. The castings are initially located in indexed positions with their x, y, and z coordinates known. The castings are passed through a heat treatment station typically having a series of ...
11/06/2007
7275582Methods and apparatus for heat treatment and sand removal for castings
A system and method for heat treating castings and removing sand cores therefrom. The castings are initially located in indexed positions with their x, y, and z coordinates known. The castings are passed through a heat treatment station typically having a series of ...
10/02/2007
7258755Integrated metal processing facility
An integrated metal processing facility in which molten metal is poured into a series of molds at a pouring station to form metal castings, which are then transferred to a heat treatment line. Prior to introduction of the castings into a heat treatment station of th...
08/21/2007
7258290Jet mill
A jet mill has a disk-shaped hollow part in the interior of the mill body. The hollow part is divided into an annular grinding zone for grinding a material by high-speed swirling air flows supplied through plural air nozzles and an annular classifying zone provided ...
08/21/2007
7178750Inline evenflow material distributor for pneumatic material feed systems
An apparatus for reducing clogs in a pneumatic material feed line, such as employed in abrasive waterjet machining systems, by providing an evenflow feed of material therethrough. The apparatus preferably includes a hollow housing defining a housing volume and havin...
02/20/2007
7150421Jet mill
The invention relates to a jet mill of modular design for the comminution of powdery materials. An inner pulverizing casing made entirely of wear-resistant material is freely mounted in an outer casing pressure vessel. ...
12/19/2006
7086619Method and device for comminuting particles
The invention relates to a process and an apparatus for comminuting particles. The apparatus comprises at least one tube for collecting a given amount of particles, the particles forming a plug inside the tube. The apparatus further comprises at least one pressure p...
08/08/2006
6991190Process for producing dispersions
A finely divided, stable dispersion of a solid is produced by: spraying at least two streams of a preliminary dispersion, each through a separate nozzle by pumps, onto a collision point in a reactor chamber enclosed by a reactor housing; passing water vapor through ...
01/31/2006
6951312Particle entraining eductor-spike nozzle device for a fluidized bed jet mill
An eductor-spike nozzle device includes (a) a first cylindrical member having a first wall including a cowl lip and defining a first hollow interior, and (b) a second cylindrical member mounted within the first hollow interior and having a second wall (i) externally...
10/04/2005
6942170Plural odd number bell-like openings nozzle device for a fluidized bed jet mill
A jet mill includes plural nozzle devices for discharging a composite stream of high velocity fluid. Each nozzle device includes a plural odd number of nozzle openings for discharging an individual stream of high velocity fluid. Each nozzle opening comprises (i) a c...
09/13/2005
6910522Methods and apparatus for heat treatment and sand removal for castings
A system and method for heat treating castings and removing sand cores therefrom. The castings are initially located in indexed positions with their x, y, and z coordinates known. The castings are passed through a heat treatment station typically having a series of ...
06/28/2005
6901990Method and system for processing castings
A method and system of processing castings is provided in which one or more castings are deposited into a mobile furnace and moved from one station to another of a multi-station casting processing system. The interior of the mobile furnace is heated so as to maintai...
06/07/2005
6824086Method of creating ultra-fine particles of materials using a high-pressure mill
A method for creating ultra-fine particles of material using a high-pressure mill is described. The method includes placing a material in a first chamber and subjecting the material to a high-pressure fluid jet to divide it into particles. These particles are then t...
11/30/2004
6579041Pre-screening element for pneumatic particle transport systems
A pre-screening element for use with pneumatic discharge systems for transport of powdered material has a housing having an inlet and an outlet, a first vane array, having a plurality of strip-shaped first vanes arranged inside the housing and spaced apar...
06/17/2003
6318649Method of creating ultra-fine particles of materials using a high-pressure mill
A method for creating ultra-fine particles of material using a high-pressure mill is described. The method includes placing a material in a first chamber and subjecting the material to a high-pressure liquid jet to divide it into particles. These particle...
11/20/2001
6224004Mill provided with partition within milling chamber
A mill offers superior milling efficiency by being provided with a partition to divide a milling chamber into a first guide path and a second guide path. Particles of a milling material that have been ground at a milling area in the milling chamber are gu...
05/01/2001
6138931Apparatus and method for grinding particulate material
An apparatus for grinding particulate material includes a grinding chamber. Fluid sources mounted on the peripheral wall of the grinding chamber generate a stream of fluid directed along the source axis of the fluid source towards the inside of the grindi...
10/31/2000
5976043Apparatus for increasing wear life of machine members
An apparatus for increasing wear life of machine members includes a shaft assembly mounted on the machine. Also included are two or more power sources eccentrically aligned in relationship to the shaft assembly of the machine to form an acute angle betwee...
11/02/1999
5934575Pneumatic impact pulverizer and process for producing toner
A pneumatic impact pulverizer is disclosed which has a nozzle for feeding high-pressure gas, a tube for transporting and accelerating a pulverizing material, a pulverization chamber, and an impact member for pulverizing the material. The impact member is ...
08/10/1999
5839670Pneumatic impact pulverizer, fine powder production apparatus, and toner production process
A pneumatic pulverizer comprises an accelerating tube for carrying and accelerating powder to be pulverized with high-pressure gas and a pulverizing chamber for pulverizing the powder to be pulverized. The back end of the accelerating tube is provided wit...
11/24/1998
5799881Method and system of producing toner
A toner producing system which can efficiently produce toner having a sharp particle size distribution by suppressing the occurrence of microscopic powders and improve energy efficiency in pulverization. The system is furnished with a second pulverizing a...
09/01/1998
5794863Device for disintegration of argillaceous materials
A device for disintegration of argillaceous materials comprises a plurality of vanes 8 mounted on the inner surface of the housing 1 between the outlets of the feed pipes 2 and 3 and the inlets of the discharge pipes 4 and 5. Each of the vanes 8 is arrang...
08/18/1998
5769330Spouted bed wood chip debarker/cleaner
This invention relates to a spouted bed wood chip debarker/cleaner. Such structures of this type, generally, cause wood chips and bark to undergo attrition by accelerating the wood chips and bark with a jet of air. In particular, the accelerated wood chip...
06/23/1998
5765766Nozzle for jet mill
A nozzle for connecting between a jet stream spout and a pulverizing room of a jet mill. The nozzle has two nozzle parts. One nozzle part has the shape of a truncated cone with a first cone angle and is located at a jet stream spout side. The other nozzle...
06/16/1998
5577670Pneumatic impact pulverizer system
A pneumatic pulverizer comprises an accelerating tube for carrying and accelerating powder to be pulverized with high-pressure gas and a pulverizing chamber for pulverizing the powder to be pulverized. The back end of the accelerating tube is provided wit...
11/26/1996
5562253Throughput efficiency enhancement of fluidized bed jet mill
A fluidized bed jet mill for grinding particulate material comprising: a) a grinding chamber having a peripheral wall, a base, and a central axis; b) an impact target with a hollow cavity defined thereby, and with at least three apertures transversing the...
10/08/1996
5553795Inertial impactor with a specially designed impaction plate
An inertial impactor with a specially designed impaction plate has a nozzle protruding from a nozzle plate, and an impaction plate formed with a conical recess covered by an orifice plate and a circular impaction plane at the bottom of the recess having a...
09/10/1996
5551640Method of concentrating fine coal slurries
A method for concentrating a fine coal slurry having an average particle diameter of 250 microns or less is provided in which the slurry is fed to a liquid-permeable membrane separator which provides a high rate of shear flow horizontal to the membrane. T...
09/03/1996
5499770Apparatus for suspension of particles in an ultrasonic field
The present invention is a system for the comminution of passivating layers on particles to facilitate particle digestion. A vessel comprises a lower portion and an upper portion. The lower portion has an inner surface with an increasing cross sectional a...
03/19/1996
5358188Supersonic jet crusher of collisional type
A supersonic jet crusher of a collisional type has an injecting nozzle for injecting a jet stream into a crushing chamber; a jet stream path for supplying a crushing material into the jet stream; a collisional plate disposed in a position opposite to the ...
10/25/1994
5358183Pneumatic pulverizer and process for producing toner
A pneumatic pulverizer includes an accelerating tube for conveying and accelerating a material to be pulverlized by a high-pressure gas and a pulverizing chamber for finely pulverizing the material to be pulverized. The pulverizing chamber is provided wit...
10/25/1994
5316222Collision type gas current pulverizer and method for pulverizing powders
A pneumatic pulverizer comprises an acceleration pipe for transporting powders under acceleration by a high pressure gas, a pulverization chamber, a collision member for pulverizing the powders ejected from the acceleration pipe by a force of collision, t...
05/31/1994
5277369Micromilling device
A micromilling device includes a milling chamber, at least one nozzle for injecting a stream of solid particles to be milled into the chamber in a predetermined path, and impact elements positioned in the path for impacting the stream of solid particles....
01/11/1994
5226603Method and apparatus for impaction processing of ore bodies
The apparatus and its process utilization enables a higher throughput of ore bodies being comminuted, provides a closer or more accurate selection of size of particles or particulates produced, has a low noise level in its operation, and uses its rotor im...
07/13/1993
5133504Throughput efficiency enhancement of fluidized bed jet mill
A fluidized bed jet mill has a grinding chamber with a peripheral wall, a base, and a central axis. An impact target is mounted within the grinding chamber and centered on the chamber's central axis. Multiple sources of high velocity gas are mounted in th...
07/28/1992
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