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WO/1995/031974 |
A method of preparing submicron particles of a therapeutic or diagnostic agent which comprises grinding the agent in the presence of grinding media having a mean particle size of less than about 75 microns. In a preferred embodiment, the...
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WO/1995/029141 |
A zirconia sinter stabilized by rare earth metal oxide(s) containing a boron compound and having a high fracture toughness and excellent mechanical strength and thermal stability. The sinter mainly comprises ZrO2 and contains at least on...
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WO/1995/028506 |
Alloyed steel with high carbon content characterized in that its composition complies with the following composition, expressed in percentage weight: carbon from 1.1 to 2.0 %, manganese from 0.5 to 3.5 %, chrome from 1.0 to 4.0 %, silico...
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WO/1995/027563 |
An attrition mill comprising a grinding chamber (1), an axial impeller (10), a chamber inlet (3) for admitting coarse particles and a separator comprising a chamber outlet (6) through which fine particles exit from the chamber. The mill ...
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WO/1995/026822 |
The invention relates to a method and an arrangement pertaining to rotary grinding mills (1) of the kind which include a rotatably mounted drum (3) having a first end-wall (5) and a second end-wall (6), a material infeed arrangement (30)...
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WO/1995/019846 |
A grinding medium including naturally occurring zirconium silicate sand characterized by a density in the range of from about 4 g/cc absolute to about 6 g/cc absolute is provided. Also provided is a method for milling a powder which incl...
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WO/1995/019223 |
The present invention relates to ultrafine comminution of mineral and organic powders with the aid of ball-milling techniques employing, as the grinding medium, solid (nonporous) metal-carbide microspheres with diameters of from 10 to 10...
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WO/1995/017968 |
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 ar...
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WO/1995/017967 |
A tubular mill for grinding natural and synthetic raw materials, in particular for the cement industry, comprising a rotary cylindrical drum (11, 111) arranged with its axis (27) horizontal and containing at least one grinding element (2...
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WO/1995/016519 |
An assembly for separating milling elements from a worked suspension comprises several parts (19, ..., 23) which are movable with respect to each others. Slots (24, ..., 28) are formed between the parts (19, ..., 23). Neighbouring parts ...
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WO/1995/009043 |
Basket for machines for mixing and grinding a number of substances in order to produce uniform mixes, such as those used for paints, with the basket in question featuring along its perimeter a circular ring (1) bound at the inner and out...
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WO/1995/003889 |
An automatic positioning device (10) for a ball mill can (12) allows an operator to set the can (12) on the rollers (24) of a mill stand (14) without centering or modifying the position of the can (12). The positioning device (10) includ...
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WO/1994/025164 |
The invention relates to a novel device for fixing a partition to a shell (4) of a tube mill in which the partition comprises a cast framework (1), in steel or in cast iron, consisting of several sectors (15) provided with a set of fixin...
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WO/1994/023198 |
The invention relates to a hydraulic drive system for driving primarily heavy industrial units, where the drive system comprises a plurality of hydraulically driven piston units (14) with cam rollers (30), which are disposed to act again...
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WO/1994/022781 |
The invention concerns a method and device for the production of a binder made up of at least two components of different grindability.
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WO/1994/020217 |
Control process intended for closed-circuit, dry-method grinding installations which essentially comprise a batching device for the feeding of raw materials (1, 2, 3), a grinder (6), an adjustable-speed dynamic separator (1), means for b...
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WO/1994/019105 |
The proposed binding suspension contains a silica containing substance (84.0 to 86.0 wt %), a starch containing substance (0.5 to 0.8 wt %), liquid phase sodium silicate (0.1 to 0.3 wt %), and water (the remainder). The proposed process ...
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WO/1994/018305 |
An apparatus and process for transforming an input garbage mixture into separate fermented and non-fermented output products has a fermentation stage (20) to allow fermentation of the fermentable organic materials, an input stage, and su...
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WO/1994/013596 |
Method of continued grinding of cement in order to obtain cement with a high specific surface and/or a steep grain size distribution curve, wherein the grinding is performed in a mill with agitated grinding medium to a specific surface o...
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WO/1994/009907 |
The present invention concerns a high energy oscillating ball mill, useful in the preparation of nanophase materials having crystallite sizes of the order of 5 to 20 nm, with high production capacity and consisting of a grinding jar (2, ...
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WO/1994/009906 |
Method for grinding intended for a rotary ball mill (4, 5), or mill with similar grinding instruments, which is divided into at least two grinding compartments (1, 2) and which is passed through by a current (14) of sweeping air from ups...
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WO/1994/004275 |
High-shear treated materials are passed through a high-shear treatment zone which allows the coexistence of free supra-Kolmogoroff eddies larger than the smallest possible Kolmogoroff eddy diameter and forced sub-Kolmogoroff eddies small...
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WO/1994/000240 |
In order to triturate solid bodies in devices provided with grinding bodies, in particular ball triturators (1) with a stirring mechanism, a suspension is formed with the solid bodies to be triturated and with a liquid, and the suspensio...
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WO/1993/025310 |
A grinding mill includes a rotatable drum (12) with an internal lining and a ball charge (16) for the interior of the drum. The lining comprises an impact absorbent substrate (14) and has an inwardly facing working surface (40). The lini...
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WO/1993/023167 |
Apparatus and method for processing medical waste comprising an elongate, cylindrically configured pressure vessel (A) having an inlet (30), and a closure member (40) therefor. An elongate cylindrical drum (D) is mounted in the vessel (A...
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WO/1993/015839 |
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 (18) of metal, comprising an elo...
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WO/1993/014872 |
A tumble grinder is disclosed in which material which is already sufficiently small in size, primarily being abrasive aggregate or earthen material, may be discharged from the receptacle (1) to bypass the comminution apparatus (12) and t...
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WO/1993/014028 |
An aqueous alkaline suspension of finely divided, X-ray amorphous sodium aluminium silicates with the composition 0.9 to 1.1. Na¿2?O : 1 Al¿2?O¿3? : 1.8 to 3.6 SiO¿2? is produced by continuously mixing an aqueous sodium aluminate sol...
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WO/1993/012871 |
In a process for dispersing, mixing or homogenising solid/liquid and/or liquid/liquid mixtures, the dispersion or emulsion to be homogenised is introduced into a rotating grinding chamber (5) at least partly filled with grinding bodies a...
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WO/1993/011872 |
A motor-driven drive shaft (12) is coupled to a grinding mill (4) or other unbalanced rotatable member through a clutch (5) arranged to accommodate misalignment, the clutch being so controlled during start-up as to be initially engaged t...
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WO/1993/000997 |
The invention pertains to a rotary grinding mill having a drum which is provided with a lining and at least one lifting device, and relates to an arrangement for registering wear on the lining and particularly on its lifting device. In o...
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WO/1993/000996 |
The invention relates to 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 ...
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WO/1993/000998 |
A planetary mill (1) adapted for the continuous grinding of granulated material into fine powder is disclosed. A grinding chamber (3) is provided that is continuously orbited in a planetary motion. As the chamber (3) undergoes its planet...
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WO/1992/016297 |
The partition comprises elevation modules (5) radially assembled in several levels (6, 7, 8). Each module preferably incorporates a central cage covered by a grille on its upstream face and an aperture plate on its downstream face. The i...
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WO/1992/016298 |
The passage zone of each circumferential or radial aperture in the partition covering has a converging/diverging asymmetric cut-away profile with a first plane face (12) and a second face (13) with a first portion (13a) inclined at an an...
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WO/1992/012738 |
A safe, practical, and less costly method for disposing of infectious personal care waste, as well as pathological waste and equipment which can be configured for large municipal type use employing continuous process techniques, or for s...
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WO/1992/009376 |
A double separator for sorting particulate material, e.g. raw materials of cement or cement clinker comminuted in a roller press, and in which the material charge is suspended in a conveying gas, and consisting of a coarse separator (2),...
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WO/1992/001518 |
A coating composition and method of coating for producing a coating containing at least 21-22 % by volume titanium dioxide pigment for developing hiding on a suitable substrate, the coating composition having up to a critical pigment vol...
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WO/1992/000809 |
A media mill, comprising a magnetizable outer shell (40), magnetic impellers (43) on a shaft (42), and magnetized media particles, provides improved milling efficiency.
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WO/1991/013737 |
A wall exposed to wear is made up of wear-resisting, impact-absorbing elements (11) and a structure (10, 12, 13) supporting these elements. The elements (11) are elongate and have base portions (15) to permit mounting the elements on the...
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WO/1991/006370 |
A vibration grinding classifier for a mineral material, which is simple in construction, compact in size and capable of offering a satisfactory classifying accuracy. This classifier is provided with a vibration motor (3) for oscillating ...
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WO/1991/004810 |
A ball mill for use in mechanical alloying and grinding comprising a plurality of ferromagnetic balls (22) within a spherical or generally cylindrical chamber or cell (20) of a paramagnetic material. The cell has a substantially horizont...
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WO/1991/001648 |
A crusher for the manufacture of goods such as chocolate, formed by the suspension of solid particles in a fatty carrier. The crusher is arranged so as to execute different processing operations at the same time in order to achieve high ...
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WO/1991/001182 |
A method for optimizing the processing of continuous media mills is disclosed. It has been found that using a differential pressure device (12a, 12b) to measure the pressure drop across the mill (11) allows the on line determination of t...
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WO/1990/015665 |
In a process and corresponding device for controlling the rotation speed in agitating ball mills having a milling chamber containing milling balls, a rotatably fitted agitator in the milling chamber and a drive for the agitator, where th...
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WO/1990/014322 |
In a method for the production of a cement mixture for injection into fine gravel soils, porous or microfractured rocks and/or materials a commercial cement is reduced to fine grain size by milling to a required granulometry an aqueous s...
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WO/1990/008738 |
The present invention relates to a process for preparing basic aluminum compounds having the general formula (1): [Al¿2? (OH)¿x? Cl¿y? (SO¿4?)¿z?]¿n? where: n is at least equal to 1, x = 2 $m(X) 4.0, y = 2.0 $m(X) 3.40, z = 0 $m(X)...
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WO/1990/008596 |
A discrete-action planetary mill has a casing (1) in which are mounted rotatable containers (17) with drums (18), a steering arm (10) carrying the containers and connected to an electric drive. A rigid ring (3) is mounted in the casing (...
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WO/1990/008595 |
Apparatus for dispersion of solids in liquids including two relatively movable elements arranged so as to define a dispersing volume therebetween, a multiplicity of separate generally cylindrical dispersing elements disposed within the d...
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WO/1990/007981 |
A novel laminar assembly (10) 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 ...
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