Screen Or Screen Elements Move During Comminution Patents (Class 241/87)
  • Patent number: 6666395
    Abstract: An apparatus for wiredrawing vegetables or cutting them into three dimensional shapes, comprising a base frame, a first container supported by said base frame for collecting residues, a drum mounted for rotation about an axis on the surface of die cells, a vegetable feeding means supported on said base frame and arranged above said drum to adjustably feed vegetables into said cutting means, pressing means located downstream of said feeding means with respect to the direction of rotation of said drum, and designed to wiredrawing said vegetables into said die cells, clearing means arranged downstream of said pressing means and designed to force out into said pressing drum any wiredrawn vegetables held in said die cells, and a second container supported by said frame underneath said drum and arranged to receive wiredrawn vegetables present in said drum.
    Type: Grant
    Filed: February 14, 2002
    Date of Patent: December 23, 2003
    Assignee: Cavalieri SpA
    Inventor: Rossano Cavalieri
  • Patent number: 6029918
    Abstract: Vegetable matter is composted in an outer drum having an axis for rotation which is disposed horizontally for rotation inside an outer housing. The outer drum and the housing have respective waste inlets which are in communication with each other for receiving waste so that waste which is introduced into the housing is received inside the outer drum. An inner drum having an axis for rotation which is disposed horizontally for rotation of the inner drum is disposed inside the outer drum, and receives waste from the outer drum. A waste outlet in the inner drum discharges decomposing waste into a finishing drawer. The configuration of the outer drum with the inner drum disposed inside, allows for a two-stage decomposition of waste matter, thereby maximizing the capacity of the composter while occupying a minimum of space which is customarily at a premium in the kitchen environment.
    Type: Grant
    Filed: June 19, 1998
    Date of Patent: February 29, 2000
    Inventor: Henric Sundberg
  • Patent number: 5611495
    Abstract: A shredding apparatus for converting waste material, like vehicle tires, into a shredded size by driving a pair of shafts having cooperating shredding discs on the shafts, mounting the pair of shredding shafts in an open top cage to receive waste material for reduction and discharge through material sizing grate below the material shredding shafts, oscillating the cage relative to the pair of shafts with the result that some waste material works its way into dead spaces between the movable cage walls and the shredding shafts, and employing waste material devices in the dead spaces to process the waste material in the dead spaces so as to alleviate increase in the driving load.
    Type: Grant
    Filed: November 6, 1995
    Date of Patent: March 18, 1997
    Inventor: Robert M. Williams
  • Patent number: 5470023
    Abstract: A crushing apparatus for waste material comprising a housing and a drive shaft for driving counter-rotating rollers which mesh with each other and which are hollow and open at one end. The rollers are fitted with cutter elements spaced at intervals around the outside and have cavities between the cutter elements that open into the hollow interior of the rollers.
    Type: Grant
    Filed: June 1, 1994
    Date of Patent: November 28, 1995
    Assignee: Agria-Werke GmbH
    Inventor: Raimund Falkner
  • Patent number: 5199666
    Abstract: Shredding apparatus for reducing material by use of cutter discs mounted on each of a pair of spaced shafts which place the cutter discs in an interleaved operating position over a perforated grate which has active surfaces swept by the cutter discs, and a controllable drive for oscillating the grate so the normally inactive surfaces of the grate are also swept by the cutter discs.
    Type: Grant
    Filed: January 3, 1992
    Date of Patent: April 6, 1993
    Inventor: Robert M. Williams
  • Patent number: 4720050
    Abstract: A comminutor and a pump are assembled together so that they are driven by the same prime mover, such as a tractor power take-off, the pump being arranged to draw liquid, such as sewage, into a comminution chamber containing a rotating hollow cylinder which functions as a combination cutter and strainer. The solids in the sewage are comminuted until they are of a size small enough to pass through openings in the cylinder into the interior thereof from which the comminuted particles are pumped to a desired location, such as an irrigated field by the pump. The pump shaft has a drive shaft extension that extends through the center of the rotating cylinder to drive a planetary gear system arranged so that the rotating cylinder is driven at a speed much less than the pump speed.
    Type: Grant
    Filed: June 18, 1982
    Date of Patent: January 19, 1988
    Assignee: Hale Fire Pump Company
    Inventor: H. Alfred Eberhardt
  • Patent number: 4265408
    Abstract: A classifying and sorting machine for refuse particles, particularly household refuse and other refuse having a composition resembling household refuse, has a rotatable screen drum the diameter of which is within the range of 1:1-1:2 relative to its axial length. Baffles of sawtooth-shaped configuration are arranged in the drum rotating with the same and having inwardly directed ripping teeth. Annular baffles in the drum subdivide the drum into two or more axially adjacent compartments and each have an inner diameter smaller than the inner diameter of the drum, and an arrangement is provided for rotating the drum at an angular velocity which is smaller by between about 20-50% than the velocity at which the drum contents are pressed by centrifugal force against the circumferential drum wall.
    Type: Grant
    Filed: June 25, 1979
    Date of Patent: May 5, 1981
    Inventor: Peter Voelskow
  • Patent number: 4184643
    Abstract: A pair of gear-driven hollow cutting cylinders, each perforated with square holes to provide a grid of exterior cutting edges extending circumferentially and longitudinally of the cylinder, breaks a glass wool mat fed therebetween into small columns which are pneumatically conveyed from the inside of the cylinders to a conventional bagging machine.
    Type: Grant
    Filed: September 5, 1978
    Date of Patent: January 22, 1980
    Assignee: Owens-Corning Fiberglas Corporation
    Inventor: Ralph E. McCort
  • Patent number: 4154407
    Abstract: A device for extracting cellulosic and similar materials such as rags, plastics, light metals and wood, which includes a drum which is driven in a first direction at a first speed and a rotor inside of the drum which is driven in a direction opposite to the first direction at a speed higher than the first speed. A plurality of teeth are located on the periphery of the drum along a part of its length for shredding the material placed into the drum input. A fixed plate and a plate of adjustable height are placed at the output of the drum against which the other materials accumulate.
    Type: Grant
    Filed: July 8, 1977
    Date of Patent: May 15, 1979
    Assignee: Etablissements E. & M. Lamort
    Inventor: Pierre Lamort
  • Patent number: 4076177
    Abstract: A method and apparatus for use in pulverization and/or segregation which is suitable for obtaining the desired quality of the pulverized materials. Such pulverization is performed by restricting the discharge rate of the mixture through the discharge opening and thereby controlling the quantity and time the mixture remains within the pulverizer. The pulverizer is provided with a weir at the discharge end of the drum or cylinder for such restricting purpose. Also, beaters disposed within the pulverizer are provided with safety means enabling the beaters to pivot when a relatively stiff constituent is encountered in the mixture.
    Type: Grant
    Filed: June 18, 1976
    Date of Patent: February 28, 1978
    Assignee: Agency of Industrial Science & Technology
    Inventors: Yoshio Hirayama, Kanichi Ito, Ryoichi Takeuchi, Masao Nomoto, Tomoyuki Shiina
  • Patent number: 3973735
    Abstract: An apparatus and a method for processing municipal waste with increased processing capacity are provided. The apparatus includes at least a cylindrical screen having ridge projections on the inner surface thereof and a group of beaters mounted on a central shaft extending axially through the cylindrical screen. In carrying out the method, the municipal waste charged into the cylinder receives powerful beating and shearing due to the interaction caused by the relative rotation between the tips of the beaters and the ridge projections thereby remarkably increasing the processing capacity.
    Type: Grant
    Filed: March 24, 1975
    Date of Patent: August 10, 1976
    Assignee: Keishin Matsumoto, President of Agency of Industrial Science and Technology
    Inventors: Kanichi Ito, Yoshio Hirayama, Ryoichi Takeuchi, Masao Nomoto
  • Patent number: 3933084
    Abstract: Squeezing-shredding machine for tomato pulp comprises a conveyor at one end of which a suitable cutters cut the tomatoes along a longitudinal axis into halves and a separator device downstream of each cutter which positions each half tomato on a perforated flat conveyor which passes beneath idle pressure rollers which are suitably spaced apart.
    Type: Grant
    Filed: November 18, 1974
    Date of Patent: January 20, 1976
    Inventors: Gianfranco Dall'Argine, Ermes Ghiretti