Grate Patents (Class 266/279)
  • Patent number: 10415885
    Abstract: A pallet car for conveying material to be processed is disclosed. The pallet car includes first and second sidewalls formed from sidewall members that each include a metal frame and a heat-resistant liner, such as formed from refractory. The refractory formed on the metal frame of the sidewall members provides insulation for the metal frame without the need for a hearth layer of pre-processed material in the material bed of the pallet car. The sidewall member including the refractory layer increases the effective volume of the pallet car, which increases the overall efficiency of the furnace and material processing procedure.
    Type: Grant
    Filed: May 3, 2016
    Date of Patent: September 17, 2019
    Assignee: Metso Minerals Industries, Inc.
    Inventors: Jeffrey Mark Pancher, Neil Raymond Dock
  • Patent number: 7387762
    Abstract: A sintering apparatus for silver clay wherein a silver clay composition can be readily and easily sintered by exposing a silver clay composition obtained by molding to a flame of a solid alcohol fuel.
    Type: Grant
    Filed: July 11, 2002
    Date of Patent: June 17, 2008
    Assignee: Mitsubishi Materials Corporation
    Inventors: Juichi Hirasawa, Yasuo Ido
  • Patent number: 6656414
    Abstract: A device for continuously measuring the temperature in pelletizing furnaces basically comprised of a plurality of temperature detectors (1, 2) disposed at fixed sites on the grate car (10) that follow the latter along the furnace and inform continuously and instantaneously the actual burning temperature of the product at the detected site through data collectors and measuring units; said data collectors being enclosed in housings (20) which also are attached to the grate car (10) in order to follow the latter while it moves through the interior of the furnace.
    Type: Grant
    Filed: November 8, 2001
    Date of Patent: December 2, 2003
    Assignee: Companhia Vale Do Rion Doce
    Inventors: Claudemir Chateaubriand De Souza, Noboru Yamane
  • Patent number: 5472179
    Abstract: An insert for use with a cooling bed plate transfer grid including a plurality of longitudinal side grid members and a plurality of transverse cross grid members extending between the side grid members and coacting therewith to define a plurality of grid pockets, each sized to removably receive an insert. The insert includes a housing sized to fit in the pocket and including front and rear end flange portions adapted to seat on successive cross members. The housing is fixedly secured to the successive cross members by J bolts which extend downwardly and beneath the respective cross members for clamping engagement with the respective cross members. The housing further defines a central slot in which a roller is mounted. The roller is mounted on the central journal portion of a pin and the pin further includes rectangular end portions slidably received in vertical slots defined by the housing at opposite sides of the roller.
    Type: Grant
    Filed: October 3, 1994
    Date of Patent: December 5, 1995
    Assignee: Allor Manufacturing, Inc.
    Inventors: Bernard J. Wendt, Darryl R. Wendt
  • Patent number: 5143356
    Abstract: A sintering machine having a train of grate cars containing grates for supporting material to be sintered, rails along which the grate cars travel, a plurality of suction boxes arranged beneath the travel path of the grate cars and connected to suction means so as to create a partial vacuum beneath the grates, and sealing means for sealing the suction boxes to the grate cars. To reduce air leakage, the sealing means comprises, at atleast one side of said grate cars, a casing structure enclosing the rail and provided with at least one flexible air seal to the grate cars.
    Type: Grant
    Filed: June 13, 1991
    Date of Patent: September 1, 1992
    Assignee: Hoogovens Groep BV
    Inventor: Hubertus A. J. Wittebrood
  • Patent number: 4289485
    Abstract: There is disclosed a traveling grate apparatus wherein materials are treated at an elevated temperature for purposes such as sintering, pelletizing, calcining, and the like. In such apparatus, a grate and upstanding side plates form a channel for carrying the material along. Each side plate has along its inner face a bench for holding the material to be treated. As the treatment of material effects changes in the volume of the material, the material tends to lose contact with the side wall, but, by resting on the bench, a seal is provided to prevent direct passage of gases through the bed in the sidewall sections.
    Type: Grant
    Filed: August 15, 1979
    Date of Patent: September 15, 1981
    Assignee: Koppers Company, Inc.
    Inventors: Anthony A. Latowski, William P. Grib
  • Patent number: 4272306
    Abstract: PCT No. PCT/US79/00792 Sec. 371 Date Sept. 27, 1979 Sec. 102(e) Date Sept. 27, 1979 PCT Filed Sept. 27, 1979Parts (12) to be treated are placed in grid bottomed tubs (14a,14b,14c) and the tubs (14a,14b,14c) are stacked one upon the other. A flow of treating gas is directed exteriorly about and internally through the tubs (14a,14b,14c) from an entrance end (26) to an exit end (28). If the parts (12) in the entrance tub or tubs (14a,14b) are sufficiently but not overly treated, it has been found that the parts (12) near the exit end (28) of tub or tubs (14b,14c) are not sufficiently treated. If the parts (12) near the exit end (28) tub or tubs (14b,14c) are sufficiently treated, then the parts (12) in the entrance end (26) of tub or tubs (14a,14b) are over treated.
    Type: Grant
    Filed: September 27, 1979
    Date of Patent: June 9, 1981
    Assignee: Caterpillar Tractor Co.
    Inventor: George E. Reisinger, Jr.