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| Number | Title | Issue Date |
| 8016220 | Mill liner assembly A liner assembly for use in a grinding mill, the liner assembly including a liner body including a mounting member, and an elastomeric cushioning member operatively connected to the mounting member. The cushioning member includes a plurality of support cavities ther... | 09/13/2011 |
| 7887000 | Composite lifting element of a grinding mill A lifting element for a drum of a grinding mill to be used for grinding of ores and minerals. The lifting element is attachable to a frame of the drum and extending in the longitudinal direction of the drum. The lifting element includes a flexible body and a wear pr... | 02/15/2011 |
| 7566017 | Apparatus for discharging material from a mill A pulp lifter for installation in a grinding mill has a leading edge and a trailing edge with respect to rotation of the mill and comprises a first wall bounding an interior space and a second wall dividing the interior space into first and second sections. The firs... | 07/28/2009 |
| 7497395 | Rock grinding mill and method A grinding machine having plurality of lift elements positioned within the rotating drum. The lift elements are provided with a central ridge contact surface portion with slanted side surfaces extending from the ridge contact portion in a downward and outward config... | 03/03/2009 |
| 7354266 | Replaceable lump breaker system for a rotary kiln A rotary kiln for pyroprocessing particulate material includes a cylindrical kiln shell supported for rotation about a longitudinal central axis. The kiln has a discharge opening that includes a lump breaker system. The lump breaker system includes multiple insert r... | 04/08/2008 |
| 7267319 | Low-friction slide-plates for rotary machines A mounting arrangement for use at an interface between a movable machine component and a stationary foundation includes a substantially planar foundation plate adapted for attachment to the foundation; and a plurality of slide-plate assemblies secured to the foundat... | 09/11/2007 |
| 7198217 | Apparatus for tumbling concrete products A tumbler for tumbling concrete products comprises a rotatable cylindrical drum having an input end that is slightly elevated relative to an output end. Tire retread strips are placed side-by-side on the radially inner surface of the drum and extend along its length... | 04/03/2007 |
| 7172414 | Rotary tubular kiln for the production of activated carbon The present invention relates to a rotary tube (1), in particular for a rotary tubular kiln for the production of activated carbon, said rotary tube (1) having a plurality of mixing elements (3), in particular metal turning plates, said mixing e... | 02/06/2007 |
| 7077059 | Portable apparatus for compacting and storing cigarette butts An apparatus for compacting and storing cigarette butts includes a housing having a central bore with a releasable bottom closure, a closable upper extremity, and a plunger which can be forced downwardly to compact butts within the bore. The plunger also serves as r... | 07/18/2006 |
| 6951315 | Tubular rotary mill liner The invention concerns a liner consisting of juxtaposed individual rings of lining plates forming the cover of the cylindrical housing of a rotary mill. The liner consists of a number of lining plates located at selected sites and configured in the form of deflector... | 10/04/2005 |
| 6752338 | Ball mill A pilot plant scale SAG mill suitable for use in design of a commercial scale SAG mill. The ball mill has a cylindrical outer chamber having flanges at opposed ends. The cylindrical outer chamber contains a removable grinding chamber in the form of a sleeve. The rem... | 06/22/2004 |
| 6705859 | Tapered grizzly bars for lime kiln A grizzly bar device for a rotating kiln having an annular array of bars having at least two adjacent bars, wherein the thickness the bars is reduced in lateral and radial directions, and gap between the adjacent bars increases in width as the bars extend laterally ... | 03/16/2004 |
| 6220536 | Milling machine, method of crushing ore by use of the milling machine, and method of manufacturing the milling machine There is described a milling machine which has a shell main unit and enables an improvement in the efficiency of crushing ore by uniform distribution of grinding members within the shell main unit and which enables an improvement in the quality of crushed... | 04/24/2001 |
| 6206310 | Rotary mill The mill comprises a cylindrical shell (16) lined with an interior lining and intended to contain material to be ground and a charge of grinding implements, in which the lining, which is made up of rings of juxtaposed individual lining plates, has interio... | 03/27/2001 |
| 6189280 | Wall exposed to wear, wear-resisting lining element and fastening means therefor A wall exposed to wear has a wear lining composed of a number of juxtaposed wear lining elements of an elastomeric material or of a mix of elastomeric and other wear-resistant materials. The wear lining elements are secured to a supporting surface with fa... | 02/20/2001 |
| 6168102 | Rotary drum washer A system and method for recycling a waste glass cullet includes a first screening station for separating large glass shards of approximately one inch in diameter from smaller glass shards in the cullet, a crusher to reduce the large glass shards to smalle... | 01/02/2001 |
| 6082646 | Fastening system for liner assemblies of ore mills A segmented liner assembly and liner segment fastening system is disclosed for the rotatable shell of an ore grinding machine, the shell having a plurality of mounting bores formed therethrough. The liner assembly consists of a plurality of liner segments... | 07/04/2000 |
| 6036127 | Mill lining elements A lining element (10) for mounting onto an inner surface of a drum mantle (56) in a grinding mill, comprising an elongated lifter member (12) of a wear resistant material adapted to be axially oriented with respect to the drum mantle and to project radial... | 03/14/2000 |
| 6009921 | Highlift antiwear attachment for angle debarking drum lifters An improved lifter and a method of repairing a damaged lifter employed in a rotary drum debarker of the type which removes the bark of logs by introducing logs into a rotating drum wherein the the logs tumble and flail against one another so that the bark... | 01/04/2000 |
| 6000640 | Process and device for the decomposition of fibrous materials Process and device for decomposing fibrous material in an installation including a drum having an inner wall, a first end, and a second end, a displacer having an outer wall positioned inside the drum, and a processing channel formed between at least a po... | 12/14/1999 |
| 5950944 | Laminar mill liner A novel laminar assembly for use with comminution equipment, such as a liner for protecting the shell of an ore crushing mill or as a wear tip on a blow bar for use in a rock impact crusher. The laminar segment includes a plurality of laminae which are at... | 09/14/1999 |
| 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 |
| 5848755 | Asphalt material recycling system and method An asphalt roofing material recycling system and method is used to recycle asphalt materials, such as asphalt shingles and tar paper that include granules, fibers or other particles. The asphalt material is simultaneously heated and milled in a heated mil... | 12/15/1998 |
| 5839490 | Rubber lining for corrugated debarking drum A liner for a corrugated debarking drum having a continuously undulating outer wall with an interior surface including an axially extending concave portion includes an elastomeric compressible body having an inner surface adapted to be positioned over the... | 11/24/1998 |
| 5782677 | Continuous process blast mill for finishing cast metal parts A workpiece cleaning mill that is useful for cleaning castings includes a hollow housing that is established by arranging plural elongated manganese flights side-by-side to establish a cylinder, and attaching the flights to opposed entrance and exit rings... | 07/21/1998 |
| 5752665 | Grinding mill liner adapter An adapter for mounting a liner to a first mill having an inner diameter with a first contour. The liner has a back face with a second contour shaped for mating with a second mill. The adapter includes a top face and a bottom face. The top face supports t... | 05/19/1998 |
| 5690285 | Lining elements for a rotary mill and mill equipped with such elements A lining member for a rotary grinder in the shell of which the member forms a series of corrugated cylindrical surfaces intersected by rings defined by transverse projections (12) on the lining members. The corrugations on each member are at an angle to t... | 11/25/1997 |
| 5595349 | Continuous flow rotary materials processing apparatus A continuous flow, rotary processing apparatus for horizontal transport of material at a predetermined rate. Material from an infeed conveyor enters a continuous system including at least one rotary drum operating about a horizontal axis. Each drum has a ... | 01/21/1997 |
| 5516051 | Lifting element for rotary mill and mill equipped with such elements The lifting element (16) consists of a parallelepipedal block of elastomer designed to be fixed to the internal wall of a grinding mill and forms part of the lining of the latter. Its face (24) exposed to the grinding elements includes cavities (26) to al... | 05/14/1996 |
| 5472148 | Grinding mill, lining and associated method of manufacture In a grinding mill, a polymeric filler material is molded into the rectangular or prismatic recesses in a metallic or ceramic lining. In a grinding mill where longitudinally extending elongate ribs of the lining have two different radial thicknesses or he... | 12/05/1995 |
| 5431351 | Wear element for a rotating mill-drum The invention relates to a lifter bar intended to be mounted internally in a rotating mill drum for grinding ore and minerals. According to the invention, the upper portion of the lifter bar has a carcass of metal, comprising an elongated forward wall ele... | 07/11/1995 |
| 5393000 | Crusher with an annular roller track A crusher comprises a cylindrical body, a lining supported by a portion of the cylindrical body and forming an annular track, the supporting cylindrical body portion having a prismatic interior surface, and at least one roller arranged to roll on the annu... | 02/28/1995 |
| 5390866 | Mill drum According to the invention there is provided a mill drum comprising a hollow drum structure in use mounted to rotate about a substantially horizontal axis extending longitudinally through the bore of the drum structure. The drum structure including lifter... | 02/21/1995 |
| 5361997 | Discharge assembly for grinding mills A discharge assembly mounts inside a grinding mill on a mill shell at a discharge end of the mill and rotates about a longitudinal axis of the mill. The discharge assembly includes a plurality of ring sections forming an assembly covering the mill shell a... | 11/08/1994 |
| 5360174 | Arrangement for registering the instant grinding charge volume of a grinding drum An arrangement for recording the instant volume of grinding charge in the mill drum of a rotary drum mill of the kind provided with an internal lifting device. In order to enable the volume of grinding charge to be used in a better way as a parameter for ... | 11/01/1994 |
| 5346145 | Dispersing and grinding apparatus An apparatus for dispersing and grinding a material by means of a grinding medium, such as balls or beads, comprises a grinding vessel, and a rotor rotatably disposed in the grinding vessel to define a narrow annular flow path between the rotor and the in... | 09/13/1994 |
| 5312055 | Method for the operation of a stirring ball mill and a stirring ball mill for the practice of the method The invention relates to a method of operating a stirring ball mill which has a preferably cylindrical, rotating barrel provided with an inlet at one end and an outlet at the other end, in which a stirring shaft provided with stirring means rotates. This ... | 05/17/1994 |
| 5251830 | Tube mill A tube mill comprises a coarse grinding compartment and two or three independent fine grinding compartments. Material fed into the mill is first ground by a coarse grinding compartment and then shunted into two or three portions which are conveyed into ea... | 10/12/1993 |
| 5188158 | Exchangeable element subject to wear The exchangeable wear-resistant element serves to protect structural parts against abrasive wear. This exchangeable wear-resistant element comprises a base part formed of a tough material and a support part formed of a material possessing high wear resist... | 02/23/1993 |
| 5183213 | Method for recycling wallboard A method and apparatus for recycling wallboard employs a tumbling barrel for receiving wallboard pieces and metal weights. The tumbling barrel is sealed and the barrel is rotated so as to drop the weights against the wallboard. Once the materials are sepa... | 02/02/1993 |
