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| Number | Title | Issue Date |
| 6851461 | Apparatus for debarking logs with reversible rotation for varying the rate of debarking Apparatus for debarking logs including a drum mounted for rotation about an axis to define an inner drum surface. Debarking apparatus is provided on the inner surface configurable to debark logs within the drum at a first rate on rotation of the drum in a first dire... | 02/08/2005 |
| 6719227 | Grinding mill and methods for fabricating same A method for fabricating a gearless grinding mill motor includes fabricating a plurality of linear stator portions and assembling a grinding mill stator from the linear stator portions. ... | 04/13/2004 |
| 6471148 | Method and apparatus for crushing glass A glass smasher is provided of the type for placement of glass articles for reduction to a particle size for reduced volumetric disposal and/or recycling purposes. Recycling may include reforming into another glass product or use as an aggregate. The glas... | 10/29/2002 |
| 6189819 | Mill door in coal-burning utility electrical power generation plant A mill in a coal-burning utility electrical power generation plant has a rotary drum for pulverizing coal, and has a mill head at an axial end thereof. A stationary divider plate divides the mill head into an entrance receiving coal, and an exit dischargi... | 02/20/2001 |
| 6016981 | Apparatus for producing hydrogen adsorption alloy A method and apparatus for producing a hydrogen adsorption alloy, the apparatus comprising a high speed ball mill in the form of a planetary ball mill mounted to a rotatable main shaft, wherein the planetary ball mill includes a plurality of mill pots eac... | 01/25/2000 |
| 5896901 | Debarking drum A rotatable debarking drum for removing the bark from logs comprises a cylindrical member and a plurality of axially extending rows of debarking tools circumferentially distributed on an inner circumference of the cylindrical member. Each row of debarking... | 04/27/1999 |
| 5873398 | Debarking device A debarking device includes a drum having a radically outer peripheral surface, the drum being arranged to be rotated about a longitudinal axis. Two bogies, spaced from one another in the circumferential direction of said outer peripheral surface of said ... | 02/23/1999 |
| 5529251 | Heat treatment apparatus for ceramics A heat treatment apparatus for ceramics is adapted to heat treat a ceramic raw material such as a slurry for obtaining a pulverized ceramic material. The apparatus comprises a drum body (1) which is transversely supported and rotated about its axis, and a... | 06/25/1996 |
| 5373994 | Ball mill can positioning device An automatic positioning device for a ball mill can allows an operator to set a ball mill can on the rollers of a ball mill stand without centering or modifying the position of the can. The positioning device includes a mounting fixture secured to the bal... | 12/20/1994 |
| 5205499 | Planetary grinding apparatus A planetary mill adapted for the continuous grinding of granulated material into fine powder is disclosed. A grinding chamber is provided that is continuously orbited in a planetary motion. As the tube undergoes its planetary motion it is caused to underg... | 04/27/1993 |
| 5114084 | Crushing machine The present invention is a crushing machine including a rotatable housing having an inlet port and a discharge port and including an independent crushing means inside the housing. Support rings each of which is at least 1.8 times larger than the housing, ... | 05/19/1992 |
| 5062601 | Mill screen apparatus Apparatus for reducing and sizing particle material that is readily susceptible to efficiency enhancement with vibratory exciters. The apparatus includes a rotary drum particle size reductino device having a substantially imperforate drum, and a rotary sc... | 11/05/1991 |
| 5029760 | Centrifugal grinding and mixing apparatus A centrifugal mill adapted for the continuous grinding of granulated material into fine powder is disclosed. At least one pair of grinding chambers is provided. The grinding chambers are rotated about their own axes one revolution in the opposite directio... | 07/09/1991 |
| 4995561 | Ground sand maker A ground sand maker which includes a grinding drum (2); a mass of working pebbles (25) placed within the grinding drum; a driving device (7) for rotating the grinding drum; an inlet port (17) provided on a first end (2b) of the grinding drum for supplying... | 02/26/1991 |
| 4482097 | Rotary apparatus having improved drive means A rotary apparatus, such as an ore grinding mill, has a wrap-around drive motor secured thereto for rotating the apparatus about a central axis. The drive motor includes a rotor attached to and surrounding the apparatus and a stator surrounding and spaced... | 11/13/1984 |
| 4277235 | Process of producing cool agglomerated solids In a process and plant for producing cool sintered particulate agglomerated solids of ore, the solids are moved in a continuous stream through a heat-treating zone to form a layer of the agglomerated solids and hot particles thereof are obtained from the ... | 07/07/1981 |
| 4265408 | Sorting machine 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... | 05/05/1981 |
| 4234237 | Bearing for heavy steel drums, in particular decorticating drums This invention relates to an improvement in a shock-proof bearing for a heavy drum which is rotatably supported on roller and is adapted to be driven by a gear drive, the axial spacing between the drum and the roller or the gear drive remaining constant f... | 11/18/1980 |
| 4226271 | Drum debarker Disclosed herein is a drum type debarker for the debarking of logs and the like and there is provided a drive means for rotating the drum. The drum sits in a saddle that includes vehicle tires, and a drive mechanism is provided for rotating certain of the... | 10/07/1980 |
| 4225094 | Slurrying apparatus including grinding and separating means According to the present invention there is provided slurrying apparatus comprising a rotatable drum arranged for rotation about its longitudinal axis and including a slurrying chamber portion so arranged that when the drum is rotated feed material passes... | 09/30/1980 |
| 4050897 | Reactor apparatus An apparatus that comprises (a) a fluid-tightly closeable materials-treating or reaction chamber with at least its body portion substantially completely enclosed by a temperature-control fluid chamber provided by its being surrounded by a temperature-cont... | 09/27/1977 |
