Search Patents
  • Patent number: 7934670
    Abstract: A grinding machine (20) for use in grinding materials, the grinding machine (20) comprising: a grinder assembly (22) for receiving material therein; at least one removable hopper (24) attachable proximate to the grinding assembly (22) for dispensing material to the grinder assembly (22); a passage (22) defined in the hopper being cooperatively placed in communication with the grinding assembly (22) for dispensing material from the hopper (24) to the grinder assembly (22); a displaceable shutter (70) being positionnable in an open position when the hopper (24) is placed on the grinder assembly (22) and being positionnable in a closed position when the hopper (24) is removed from the grinder assembly (22); and a slide gate mechanism (42) including a slide gate (42) and a mover linked to the slide gate for controllably opening and closing passage of material from the hopper (24) to the grinder assembly (22) for grinfind material therein.
    Type: Grant
    Filed: April 23, 2004
    Date of Patent: May 3, 2011
    Assignee: Bunn-O-Matic Corporation
    Inventor: David F. Ford
  • Patent number: 7931220
    Abstract: A clean dry white glass powder useful as a substitute for Portland cement in concrete, in paints, and for other known uses for glass powder produced conventionally can be produced from unsorted post-consumer waste glass, including a substantial fraction of non-glass items, by employing glass pulverizing equipment to reduce waste glass to small fragments, allowing removal of trash, employing a multistep washing process to clean the glass fragments, in the preferred embodiment using aggregate cleaning equipment, drying the fragments, preferably using fluidized bed techniques, and grinding the glass to a desired particle size, preferably using a ball mill, in combination with an air classification step to produce a bright white glass powder of uniform particle size.
    Type: Grant
    Filed: May 15, 2008
    Date of Patent: April 26, 2011
    Assignee: Empire Resource Recovery, LLC
    Inventors: Louis P. Grasso, Jr., Louis P. Grasso, Sr., Patrick S. Grasso, Sr., Elliot Kracko, Cynthia A. Andela
  • Patent number: 7931221
    Abstract: A mobile crusher unit is provided having a supporting framework (12) which is includes at least a crusher unit (13), a feed conveyor (11), and a dumping conveyor unit (14), and which can be relocated by means of a crawler undercarriage. To minimize construction height and weight the supporting framework and the traveling gear are configured as one unit, with parts of the supporting framework (12) serving as parts of the traveling gear, and with the crawlers (16) of the crawler vehicle protruding into recesses of the supporting framework.
    Type: Grant
    Filed: August 23, 2007
    Date of Patent: April 26, 2011
    Assignee: ThyssenKrupp Fördertechnik GmbH
    Inventor: Horst Kolleth
  • Patent number: 7931219
    Abstract: An anti-spin assembly is arranged in a gyratory crusher. The anti-spin assembly includes an expandable braking receptacle, which is adapted to be expanded by way of a pressure medium. The braking receptacle is arranged in a space between a first surface formed on a part which rotates with the crushing head and a second surface formed on a non-rotary part which is connected to the frame bottom part. The braking receptacle is arranged, when expanding, to engage both the first and the second surface, thereby braking the rotation of the crushing head.
    Type: Grant
    Filed: May 14, 2009
    Date of Patent: April 26, 2011
    Assignee: Sandvik Intellectual Property AB
    Inventors: Bengt-Arne Eriksson, Johan Gunnarsson, Percy Norrman
  • Patent number: 7931223
    Abstract: A dust-proof structure of a cone crusher below a cone core of the cone crusher includes primarily a dust ring which is suspended under the cone core, allowing the dust ring to operate concurrently with the cone core. Lubricant oil is provided between the dust ring and the cone core, enabling the dust ring to be tightly attached with a lip part of the cone core and operate successfully. The dust is prevented from entering into the cone crusher by ineffectiveness of a dust-proof function. Furthermore, a dust collar is attached under the dust ring, and an adjustment washer is provided between the dust collar and the cone core. When the dust ring is worn out, the adjustment washer is removed, and the dust ring is tightened again by screwing elements, thus preventing the dust from entering into the cone crusher due to the ineffectiveness of the dust-proof function.
    Type: Grant
    Filed: August 25, 2008
    Date of Patent: April 26, 2011
    Assignee: Minyu Machinery Corp. Ltd.
    Inventor: Hou-Kun Lee
  • Patent number: 7926752
    Abstract: A recording medium destruction and discarding system for destroying and discarding a recording medium, includes: a registration unit that registers an identification information appended to the recording medium associated with an attribute information of the recording medium; a reading unit that reads the identification information appended to the recording medium; a determination unit that determines whether or not the recording medium may be destroyed and discarded based on the attribute information registered in the registration unit associated with the identification information read by the reading unit; and a destruction and discarding processing unit that performs a destruction and discarding process based on the determination result of the determination unit.
    Type: Grant
    Filed: August 31, 2006
    Date of Patent: April 19, 2011
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Shusaku Kubo, Ryuuichi Shiraishi, Kengo Shinozaki, Shunsuke Hamasuna, Hitoshi Suzuki, Hiroyoshi Uejo
  • Patent number: 7926753
    Abstract: A shredding machine having loading section including a radially mounted pusher rod for driving materials placed with the loading section toward the cutting device. The radially mounted pusher rod may be spring loaded so as to exert resilient force on the materials during a shredding operation. At the end of a cycle, powered control arm returns the pusher rod to its original position.
    Type: Grant
    Filed: March 25, 2009
    Date of Patent: April 19, 2011
    Assignee: Martin Yale Industries, Inc.
    Inventor: George Arthur Carver
  • Patent number: 7926755
    Abstract: The invention provides a biomass mill, comprising a rotatable pulverizing table 5, a recessed groove 6 which is provided in form of ring on an upper surface of the pulverizing table and has an arcuate cross-section, a pressure roller 9 pressed into the recessed groove, a blowout hole 16 for blowing out the air from around the pulverizing table, and a chute 18 for supplying a wooden biomass toward a center of the pulverizing table, wherein the wooden biomass is supplied via the chute, the wooden biomass is pulverized between the pulverizing table and the pressure roller, and the pulverized wooden biomass is carried by blowing the air through the blowout hole, wherein a surface from an outer peripheral of the recessed groove to the blowout hole is flat surface.
    Type: Grant
    Filed: November 12, 2009
    Date of Patent: April 19, 2011
    Assignee: IHI Corporation
    Inventors: Masato Tamura, Ryunosuke Itokazu
  • Patent number: 7926754
    Abstract: A drive systems for a roller mill is provided. To ensure the continuous availability of the mill, more than two drives are provided, wherein the at least two drives are capable of achieving the full grinding capacity of the roller mill.
    Type: Grant
    Filed: April 27, 2009
    Date of Patent: April 19, 2011
    Assignee: Gebr. Pfeiffer AG
    Inventors: Dirk Hoffmann, Otto Jung, Karl-Heinz Schuette
  • Patent number: 7926750
    Abstract: A compactor feeder and methods for feeding relatively low-density biomass materials into a grinding device (such as a hammer mill) is described. The compactor feeder increases the density of the relatively low-density biomass materials in order to fill the grinding device with the biomass materials at a rate that is sufficient to substantially equal the design capacity of the grinding device.
    Type: Grant
    Filed: February 27, 2009
    Date of Patent: April 19, 2011
    Assignee: GreatPoint Energy, Inc.
    Inventor: William B. Hauserman
  • Patent number: 7922109
    Abstract: A gyratory crusher includes a crushing head on which a first crushing shell is mounted, and a frame on which a second crushing shell is mounted. The crusher has a thrust bearing which is made up of horizontal bearing plates and which is located between a vertical shaft and a piston arranged vertically below the vertical shaft. The crusher further has a first space, which is adapted to receive a variable amount of pressurized liquid, the first space being defined by the piston and a piston housing formed in the frame, and a second space which is adapted to receive, by way of a duct, pressurized liquid from the first space, the second space being located between the vertical shaft and the piston and at least partly accommodated in an opening in at least one of the bearing plates. The first space and the second space are adapted, by the liquid, to transmit forces from the crushing head to the piston housing, in order that the load on the thrust bearing is relieved.
    Type: Grant
    Filed: December 18, 2009
    Date of Patent: April 12, 2011
    Assignee: Sandvik Intellectual Property AB
    Inventors: Sebastian Persson, Patrik Sjöberg
  • Patent number: 7922111
    Abstract: A disc refiner is disclosed, including a shaft, a rotatable disc and a stationary disc, both with refiner elements. Between the stationary refiner elements and the stationary disc, axially deformable chambers are arranged, filled with an incompressible hydraulic medium, whereby the stationary refiner elements can move angularly in order to adjust themselves tangentially in parallel to the refiner elements of the rotatable disc, and the incompressibility of the hydraulic medium prevents stationary refiner elements from moving axially and impairing the axial stiffness.
    Type: Grant
    Filed: June 7, 2006
    Date of Patent: April 12, 2011
    Assignee: Metso Paper, Inc.
    Inventor: Thomas Arvidsson
  • Patent number: 7918411
    Abstract: A food waste disposer has a food conveying section, a motor section and a central grinding section disposed between the food conveying section. The motor section includes a motor having a motor shaft coupled to a rotatable plate of a grinding mechanism in the grinding section. An anti-vibration mount is disposed around an inlet of the food conveying section. The food conveying section includes a housing, which can be a plastic molded housing, having dishwasher inlet having an outer portion extending outwardly from the housing and an inner portion extending into the housing that is removably received in the housing. The inner portion of the dishwasher inlet may be slidably received in the housing with the housing including grooves on opposed sides of an opening that receive tongues on opposed sides of a body of the inner portion of the dishwasher inlet.
    Type: Grant
    Filed: June 2, 2008
    Date of Patent: April 5, 2011
    Assignee: Emerson Electric Co.
    Inventors: Scott W. Anderson, Christian Georgeff, Randall E. Hammer
  • Patent number: 7913940
    Abstract: The asphalt roofing material is delivered into a treatment chamber of a processor. Hot oil is passed through a jacket surrounding the treatment chamber. Heated asphalt forms a hot solid and/or a liquefied slurry. The hot solid and/or the liquefied slurry is then removed from the treatment chamber. The asphalt roofing material in the treatment chamber can be agitated to promote mixing. The asphalt is heated to a temperature in the range from 200 degrees Fahrenheit to 650 degrees Fahrenheit within the treatment chamber. The solid and/or liquefied slurry is milled after it has been removed from the treatment chamber. The solid and/or the liquefied slurry is cooled after it exits the treatment chamber, preferably to a temperature in the range of approximately 90 degrees Fahrenheit to 110 degrees Fahrenheit. The hot solid and/or the liquefied slurry is passed through a hammer mill after the hot solid and/or the liquefied slurry exits the treatment chamber to reduce the particle size of the solid particles.
    Type: Grant
    Filed: March 9, 2009
    Date of Patent: March 29, 2011
    Assignee: GRO 1, LLC
    Inventor: Thomas B. Harmon
  • Patent number: 7913939
    Abstract: The invention provides low-cost, non-thermal methods to transform and beneficiate bulk materials, including low rank coals such as peat, lignite, brown coal, subbituminous coal, other carbonaceous solids or derived feedstock. High pressure compaction and comminution processes are linked to transform the solid materials by eliminating interstitial, capillary, pores, or other voids that are present in the materials and that may contain liquid, air or gases that are detrimental to the quality and performance of the bulk materials, thereby beneficiating the bulk products to provide premium feedstock for industrial or commercial uses, such as electric power generation, gasification, liquefaction, and carbon activation. The handling characteristics, dust mitigation aspects and combustion emissions of the products may also be improved.
    Type: Grant
    Filed: April 28, 2006
    Date of Patent: March 29, 2011
    Assignee: GTL Energy, Ltd.
    Inventors: Robert R. French, Robert A. Reeves
  • Patent number: 7909275
    Abstract: A shredder having a sizing chamber and a reducing chamber for sizing and reducing material.
    Type: Grant
    Filed: November 10, 2008
    Date of Patent: March 22, 2011
    Assignee: Dynamic Manufacturing, LLC
    Inventors: Thomas R. Gross, Earl R. Smith
  • Patent number: 7909277
    Abstract: A comminution device including at least one comminution cylinder supported rotating in a machine frame with at least one comminution tool arranged on it, and at least one counter cutter interacting with the comminution tool, and at least one sieve device for the comminuted material the housing of which encircles the comminution cylinder at least partly, the sieve device and the counter cutter forming a common structural component. The counter cutter is designed like a plate and has recesses designed corresponding to the shape of the comminution tools of the comminution device.
    Type: Grant
    Filed: April 25, 2007
    Date of Patent: March 22, 2011
    Assignee: Doppstadt Calbe GmbH
    Inventors: Johann Doppstadt, Horst Berger
  • Patent number: 7909273
    Abstract: A shredder is disclosed having a gas detection system. According to one embodiment, one or more sensors may be placed inside the housing of the shredder to detect the presence of gases, and in particular, flammable or combustible gases. If a gas is sprayed into the shredder, the sensor(s) will detect the gas and the shredder may be deactivated. In addition, an exhaust fan may also be activated to purge the gas from the housing. Further, one or more indicators may be provided to alert the user that the sensor has detected gas. For example, a visible signal and/or audible sound may be generated to alert the user that the sensor has detected a flammable or combustible gas.
    Type: Grant
    Filed: January 7, 2009
    Date of Patent: March 22, 2011
    Assignee: Fellowes, Inc.
    Inventors: Brian A. Andrews, Michael D. Jensen
  • Patent number: 7905434
    Abstract: In order to manufacture the compound powder or the porous granulated substance in an efficient manner, a powder processing apparatus has an accumulating face on which the processing target powder is to be accumulated and a processing face disposed in opposition to the accumulating face and convexly curved, and a moving means for moving the accumulating face and the processing face along the accumulating face relative to each other. The apparatus comprises an excitement treatment means capable of applying an excitation energy to the processing target powder accumulated on the accumulating face from an excitation energy supplying portion disposed in opposition to the accumulating face or an oscillation means for oscillating the accumulating face or the processing face in a direction intersecting the accumulating face.
    Type: Grant
    Filed: March 5, 2010
    Date of Patent: March 15, 2011
    Assignee: Hosokawa Micron Co., Ltd.
    Inventors: Makio Naito, Hiroya Abe, Kiyoshi Nogi, Masuo Hosokawa, Takehisa Fukui, Masahiro Yoshikawa
  • Patent number: 7905438
    Abstract: A blade assembly for use with a food processor includes a hub configured to be coupled to a drive shaft of the food processor, a first blade rotatably coupled to the hub and configured to rotate with respect to the hub at least up to a predetermined angle with respect to a second blade, which is fixedly coupled to the hub. The first blade is rotatable between a first position in which it is in phase with the second blade for receiving a blade guard protecting both blades, and a second position, in which the first blade is out of phase with the second blade for optimally processing a food item in the food processor, the blade assembly also including a biasing member for returning the first blade to the first position after use.
    Type: Grant
    Filed: January 25, 2010
    Date of Patent: March 15, 2011
    Assignee: Chef'n Corporation
    Inventors: David A. Holcomb, Adam A. Jossem