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3904130 |
Mill for grinding minerals
Grinding elements containing 30 to 70% by weight of zirconium oxide, 0.1 to 5% by weight of aluminum oxide and 5 to 20% by weight of silicon oxide, process of grinding and mills containing the...
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3894692 |
Process and apparatus for the preparation of asbestos cement suspension
A process for the preparation of an asbestos cement suspension and an apparatus for carrying out the process. In the process, cement clinker and gypsum are comminuted together in an aqueous medium....
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3881661 |
Method of preparing an electrophoretic suspension of beta-alumina particles
A method of preparing an electrophoretic suspension of beta-alumina particles includes vibromilling water free beta-alumina particles of a diameter larger than 20 microns in an organic fluid having...
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3870649 |
PROCESS FOR COMMINUTING FLUORESCENT WHITENING AGENTS AND COMPOSITIONS OBTAINED THEREBY
A process for comminuting relatively large crystals of a solid fluorescent whitening agent to a particle size of approximately 5 microns in the largest dimension which comprises grinding either a...
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3856214 |
MATERIAL PULVERIZING SYSTEM
A material pulverizing system includes an air-swept pulverizing mill that produces and delivers pulverized material to utilization apparatus at a variable mill output rate determined by a variably...
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3834561 |
METHOD AND APPARATUS FOR SEPARATING WOOD BARK FROM GRAVEL
A bark and bedding gravel mixture is dumped into a hopper and moves along an inclined vibratory conveyor onto a screening section which screens limbs and other large chunks of wood from the...
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3834631 |
SPIN BREAKING PROCESS
A tensile-type crushing system combined with autogenous grinding. A symmetrical bowl-shaped element is rotated at high speed, and is autogenously lined with centrifuged material in process....
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3806045 |
DISCHARGE ASSEMBLY AND METHOD OF DISCHARGING FOR ROTARY GRINDING MILL
An improved discharge assembly and method of discharging for a rotary grinding mill of the diaphragm type having a discharge cone which discharges material to a suitable exit such as, for example,...
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3797760 |
ADJUSTING CRUSHER UNDER LOAD
This is a cone crusher and method of adjusting it under load by partially unclamping the bowl to an extent such that the bowl may be rotated but with some clamping pressure maintained so that the...
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3797759 |
CRUSHER ADJUSTING SYSTEM
This is a cone crusher and method of adjusting it under load by partially unclamping the bowl to an extent such that the bowl may be rotated but with some clamping pressure maintained so that the...
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3796381 |
METHOD FOR ENRICHING ORES AND THE LIKE
In a method for enriching ores or like materials the components of which have simultaneously different contents and mechanical strength values, the ore is submitted to a controlled crushing causing...
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3792817 |
METHOD OF AND APPARATUS FOR PREPARATION OF WASTE MATERIAL FOR DISPOSAL
A hydraulic ram feeds rubbish or other material to be fragmented to a disintegrator through an enclosed passageway. A constantly-operating hydraulic pump generates the fluid pressure to drive the...
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3784115 |
PROCESS FOR THE MANUFACTURING OF DRY MATERIAL, BY CRUSHING, GRINDING OR MILLING
The method of controlling a process for the production of dry material on a continuous feed and discharge basis such as, for example, ore pellets, in a mill unit by the crushing, grinding or...
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3773268 |
APPARATUS FOR AND METHOD OF CONTROLLING FEED OF GRINDING MEDIA TO A GRINDING MILL
An apparatus for and a method of controlling the feed rate of grinding media to a grinding mill of the type which operates at a power draft in the vicinity of the critical peak power draft of the...
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3744726 |
METAL FLAKES
Ultra-fine flakes which have grease-thickening properties are formed by grinding metals in an organic liquid in a vibratory grinding mill having an amplitude of vibration of at least 2mm and a...
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3738580 |
METHODS OF PROCESSING UNCURED RUBBER AND LIKE RAW MATERIALS, AND ARTICLE THEREFOR
The processing of uncured rubber or like raw material, which is normally produced, stored and shipped in sheet form but which is to be subjected to a continuous and uniform strip feeding into an...
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3733033 |
COMPOST AND REFUSE SHREDDING AND SHIFTING APPARATUS
An improved apparatus for shredding, shifting and aerating organic wastes, refuse and other material that includes an endless web carrying a plurality of outwardly projecting elements which is...
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3723490 |
PRODUCTION OF AZOMETHINE PIGMENTS
Copper complexes of substituted bis-2-hydroxyphenyl-azomethines are prepared by reacting the products of salicylaldehydes and o-aminophenols with a coppering agent. Said compounds are pigments for...
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3718286 |
METHOD AND APPARATUS FOR GRINDING MINERAL MATERIALS
Method of grinding granular mineral materials in a rotating mill having at least one partially confined grinding zone. The material is fed through a constricted opening into one end of this...
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3713593 |
FINE MEDIA MILLING PROCESS
The invention relates to a process for the fine media milling of microorganisms or crystalline organic materials. In our process, a liquid dispersion of a microorganism or crystalline organic...
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3700176 |
TILTABLE GRINDER-BLENDER,
This disclosure is directed to a grinder blender having a bowl with a blade member therein which rotates at a high speed. A means is provided to tilt the bowl to increase the effectiveness of the...
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3700709 |
AZOMETHINE PIGMENTS
Copper complexes of substituted 2,2'-dihydroxyphenylnapthyl-azomethines are prepared by reacting the products of o-hydroxy-naphthaldehydes and o-aminophenols with a coppering agent. Said compounds...
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3692247 |
SYSTEM AND METHOD OF CONTROLLING A HIGH-DISCHARGE COMMINUTING OR PULVERIZING MILL, SUCH AS A TUBE MILL
Method of controlling a high discharge comminuting mill such as a tubular mill which comprises supplying part of a main flow of material to be comminuted in an operating comminuting mill to a...
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3688992 |
PROCESS AND APPARATUS FOR THE ACTIVATION OF CATALYSTS
Co-crystals of partially reduced transition metal halides are activated by stirring the co-crystals with a plurality of grinding media in an oxygen free milling zone while maintaining the...
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3677476 |
METHOD OF FINE-GRINDING
A method of grinding particulate matter comprising passing a fluid mixture comprising particulate matter and grinding bodies of a size between about 60 and about 200 mesh in a fluid vehicle through...
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3667688 |
METHOD FOR SHEARING SOLIDS IN A SOLIDS-LIQUID SUSPENSION
A method for dis-aggregating solid particles in a slurry by pumping the slurry at pressures in excess of 1,000 p. s. i. through a column containing particulate media clamped in a fixed position is...
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3657997 |
RECOVERING METAL VALUES
Materials containing metal values and contaminants are subjected to a grinding operation to selectively pulverize the contaminants while minimizing grinding action on the metal values. Selective...
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3630774 |
DISRUPTED GRANULAR STARCH PRODUCTS AND METHODS OF MAKING THEM
Process for making a granular starch product exhibiting a lower gelatinization temperature and a higher reactivity than the starch from which it is derived which includes subjecting the starch, in...
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3628739 |
PROCESS FOR THE MANUFACTURE OF MOST FINELY PULVERIZED RED PHOSPHORUS
Production of most finely pulverized red phosphorus, by subjecting an aqueous suspension of red phosphorus with a particle size of between about 50 and 100 microns, produced inside a ball mill from...
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3625440 |
METHOD FOR RECOVERING COPPER BASE METAL FROM COPPER BASE ASHES AND RESIDUES
Copper base aggregates are washed with water to remove dust, are ball milled to separate oxides by shock, are screened to remove lumps for reprocessing and are cleaned by flowing with water over a...
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3618865 |
METHOD AND APPARATUS FOR MILLING PASTY MATERIALS
In a method of milling pasty material, such as chocolate, having a tendency to separate out components, between one or more pairs of cooperating friction rollers associated with a pouring trough...
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3617004 |
SILICEOUS FIBER FOR REINFORCEMENT AND METHOD OF ITS MANUFACTURE
A plastic reinforcement of siliceous fibers, preferably glass of 4 to 5 microns diameter and 80 to 150 microns length, coated with a coupling agent. Short length siliceous fibers for reinforcing...
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3608598 |
APPARATUS AND METHOD FOR CONDITIONING A PRODUCT
The invention primarily involves forcing a product centrifugally through tortuous passages for varying the viscosity of the product.
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3604635 |
DISTRIBUTOR FOR CONE CRUSHERS AND METHOD
A rotary feed distributor of such construction as to allow material to accumulate in the bottom portion thereof, but of such depth as to enable free and uncongested movement of the material to a...
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3604634 |
COMMINUTION OF SOLID MATERIALS
A method of grinding calcium carbonate minerals, e.g. chalk, calcite and marble, in order to obtain a pigment suitable for use in paper coating compositions. The mineral is ground in aqueous...
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3604636 |
CONE CRUSHER FEED DISTRIBUTOR AND METHOD
A rotary feed distributor for gyratory crushers which is designed to retain a dead bed of material therein. The bed of material prevents abrasion of the distributor without restricting flow of...
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3599879 |
GRINDING TREATMENT OF CLAY
A forth flotation process for the removal of mineral impurities from a crude clay wherein the flotation reagents are removed from the purified clay particles by agitation of a slurry of the clay...
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3596839 |
SLURRY PARTICLE SIZE DETERMINATION
Method and apparatus for determining the particle size distribution in a slurry in a grinding circuit with the method and apparatus operative in an online manner and at frequent intervals for...
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3586249 |
GRINDING MINERAL MATERIALS
A continuous output of very fine grain size mineral material is obtained in a mill grinding operation by initially grinding material to have a residue below 10 percent on a 210-micron screen, then...
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3582003 |
PROCESS FOR COMMINUTING CYANIME CHLORIDE CRYSTALS
Cyanuric chloride crystals are ground by attritive action of zirconium oxide beads suspended in a liquid medium in a rotating-agitator attrition apparatus to produce a suspension of finely...
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3568939 |
METHOD AND APPARATUS FOR CONTROLLING PULP REFINERS
A control system, receiving inputs from a group of grinders or refiners, generates a signal representative of overall grinding or refining action. Operating from this signal, the control system...
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3558066 |
ULTRASONIC EXTRACTION OF VIABLE ANTIGENS FROM GRAM POSITIVE BACTERIA
A method of extracting antigens from Gram Positive bacteria cells including injecting ultrasonic energy into a solution of live Gram Positive bacteria contained in a narrow cylindrical vessel...
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3556415 |
JAW CRUSHER AND METHOD OF OPERATION THEREOF
A generally horizontal flow vertical axis jaw-type crusher is provided wherein the jaws are mounted for eccentric motion toward and away from each other and linkage means driven by at least one of...
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3550661 |
METHOD OF AND APPARATUS FOR CLEANING A GRINDER SCREEN AND DISTRIBUTING MATERIALS
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3545510 |
METHOD AND APPARATUS FOR CHIPPING LOGS
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3519212 |
CRUSHER FEEDING METHOD
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3510068 |
GRINDING OF MAGNETIC ORES
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3498547 |
IMPACT CRUSHER HARDENING METHOD
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3493182 |
GRINDING AND APPARATUS THEREFOR
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3473741 |
METHOD AND APPARATUS FOR ROCK CRUSHING UTILIZING SONIC WAVE ACTION
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