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4162767 Impacting crusher with variable flow feed distributor  
An impacting crusher with a relatively wide rotor is adapted to receive its feed material from a relatively narrow conveyor, while establishing even distribution of wear across the rotor. Periods...
4146183 Pressed pulp bale shredder  
Bales of wood pulp built from successive wafers of bulk dried pulp may be shredded to small, easily mulched particles by raking a bale face with spaced claws along a plane parallel with the wafer...
4141509 Bale loader for fluff generator  
Method and apparatus for loading a fresh bale of stacked wood pulp sheets into a continuously rotating bale milling cradle of a fluff generator, usually on top of a partially exhausted bale. A bale...
4131238 Ultrasonic grinder  
Materials such as coal, rock, etc. are comminuted by a combination of mechanical comminution forces and ultrasonic vibratory energy which creates cyclic fatigue stresses in the material being treated.
4123009 Load sensor for a grinding mill  
A method and apparatus for detecting predetermined operating conditions of a machine driven by an electric motor, in which a filtered electric signal is utilized. The filter is designed to signal...
4121775 Pulverizer  
A pulverizer generally includes a bowl for receiving an object to be pulverized and a pestle movable into the bowl for pulverizing the object. This system has been improved by providing a container...
4109871 Method and apparatus for processing abrasive material  
A method of processing abrasive material, the material being comminuted by means of a roller mill, thereafter sifted in an air separator, and the course material which is collected in the air...
4090671 Tube mill and method for grinding cement clinker  
A multi-compartment tube mill is disclosed for the grinding of coarse material such as cement clinker in which the tube mill is divided into at least two mill sections each of which includes at...
4090670 Method and apparatus for the recovery of vulcanized elastomeric material  
Rubber is recovered for re-use e.g. from scrap pneumatic tires by briefly raising a surface of the tire to a high temperature and then rasping the heat-treated surface. Tires reinforced either with...
4088272 Bale loader and shredder  
A machine adapted to be towed behind a tractor for loading, shredding, and feeding a cylindrical bale of hay of substantial size and weight. The machine includes a hopper within which a plurality...
4084752 Gap adjusting system for crusher and method  
A system and method for adjusting a gap between rotary striking blades or hammers and an operating plate in a crusher without interrupting the operation thereof are disclosed. In one embodiment,...
4084751 Self-propelled material storage and feeding vehicle  
A base member having ground traction devices is connected by an elevation device to a vehicle frame. The vehicle frame supports a feeder portion that includes a fixed storage hopper. A power source...
4076176 Gas distribution manifold arrangement and methods for use with plurality of hydropneumatic hydraulic accumulators  
A gas distribution manifold arrangement and methods for the gas precharge of a plurality of associated hydropneumatic hydraulic accumulators. Each accumulator receives, as by an elastic bladder in...
4074866 Releasable compression device for use with a crushing mill or the like  
A conventional rolling or crushing mill is provided with a fixed roller and an adjustable roller carried in a pivotable support to allow adjustment of the size of a nip formed between the rollers....
4074867 Method and apparatus for comminuting sand clods  
A method and apparatus for removing form sand from a casting box and for comminuting and sand clods formed by the sand removed from the box, in which the casting box is placed on a grate having two...
4069981 Method of feeding a film granulator  
The present disclosure relates to a size reduction apparatus such as a granulator and particularly to a novel manner of feeding such whereby thin plastic sheet material may be successfully...
4067503 Method of grinding in a mill  
The invention concerns a method of influencing the degree of grinding of material which is fed into the peripheral portion of the grinding chamber of a mill whose inclined and upwardly-divergent...
4057191 Grinding method  
A grinding method wherein a cylindrical or polygonal tank of any material and a proper length is lined on the inside surface with any of such materials as a rubber, synthetic resin, brush, fiber...
4056230 Method of crushing particles of material in a ball mill  
A method of crushing particles of material in a ball mill comprises feeding a mixture of balls and a charge comprising the particles to be crushed, a solvent and a lubricant continuously through a...
4053113 Dry grinding process for reducing ore to pelletizable particles  
A dry grinding process for reducing ore to pelletizable particles comprises grinding the ore in a size-reducing unit and classfiying the ore in a centrifugal pneumatic separator which is...
4052011 Combination stack mover and processor  
A machine for handling large crop masses and the like is presented which permits completely automatic processing of these masses and requires only a single operator to effectively manipulate the...
4050635 Method and apparatus for reclaiming sand  
Method and apparatus for reclaiming sand from foundry molds and forms. A drum is mounted in a frame for rotation about its longitudinal axis. The frame is hinged at its rearward end so that the...
4049202 Impact hammer mill  
A hammer mill has a plurality of hammer assemblies pivotally mounted about the periphery of a rotating rotor. Each hammer assembly has an arm portion connected to a pivot shaft and carrying a...
4042177 Recovery of metallic lead, lead compounds and plastic material from scrap storage batteries  
Metallic lead, lead compounds and plastic material are recovered from the remaining inert material in scrap storage batteries by crushing the scrap storage batteries, adding the crushed material to...
4040571 Method of conveying and desintegrating refuse and the like, and apparatus for carrying out this method  
Method and apparatus for conveying and disintegrating refuse and the like comprising a plurality of mutually cooperating, rotatable feed screws arranged in a common feeding-in chamber. The...
4033516 Grinding apparatus and method  
The movement of material being ground and/or to be ground within a grinding apparatus having opposed grinding wheels can be employed in order to promote the flow of the material to generally...
4026480 Jam breaking method for comminuting device  
An electrical apparatus and method for producing pulsating high torque rotational vibration movement combined with a slow superimposed unidirectional rotary motion is disclosed. The apparatus...
4026479 Method and system for maintaining optimum throughput in a grinding circuit  
A method and a system are disclosed for maintaining optimum throughput in a grinding circuit of the type in which fresh ore is fed to a rod mill and the ground ore from the rod mill, together with...
4020994 Method of correlating the rotor and stator in a mixer-refiner-reactor  
The invention is a method of correlating the stator and rotor in a mixer-refiner-reactor of the type shown in U.S. Pat. No. 3,806,050. The mixer is set up originally with an estimated correlation...
3995817 Comminution of solids  
There is disclosed a process and an apparatus for comminuting solids wherein an attrition-grinding mill includes a grinding chamber having an inlet means enabling a feed slurry of a particulate...
3995815 Production of flaked metallic powders  
Flaked metal powders are made by subjecting finely divided metal and a lubricant in a heterogeneous liquid system in a ball mill in which there is a mass of attritive elements through which an...
3993498 Granular carrier material  
A granular carrier material and process for producing same adapted for use with pesticides. A cake is formed of an intimate mixture of 97-80% by weight attapulgite and 3-20% by weight perlite, the...
3987969 Method and disc mill for grinding of material  
A method of grinding material in a disc mill, the mill being operated at maximum r.p.m. corresponding to three to four times the critical velocity and is restricted only by injurious vibrations due...
3986675 Sand conditioner assembly  
A method and apparatus for mold sand conditioning which includes the directing of mold sand between bristles of counterrotating brushes where the bristles are intertwined and the sand is forced...
3980341 Breaking up of concrete surface layers or the like  
An apparatus for breaking concrete surface layers, masonry walls, or like planar constructions, includes two foot members for engaging one surface of the construction at positions spaced apart from...
3979074 Method and apparatus for processing crop stacks  
A machine particularly suited for the range or bunk feeding of animal foodstuffs in stacks, large bales, or groups of smaller bales is designed to disintegrate the mass of material on the move and...
3972482 Electro-chemical corrosion of working elements  
A method of reducing the corrosion of a pair of cooperating working elements that are mounted on a frame wherein one of said elements moves relative to the other in subjecting the material being...
3972481 Shredding system improvement to suppress explosions  
The present invention relates to an improvement in the process of and a device for shredding scrap automobiles, trucks, appliances, white goods and the like, which improvement substantially reduces...
3963275 Method of breaking free-standing rock boulders  
Free-standing boulders or rocks are fractured and broken down into many smaller pieces by impacting the boulder with a high velocity projectile. The impact energy is delivered to the rock by a...
3960330 Method for maximizing throughput in an ore grinding system  
A system for optimizing ore throughput in an ore mill grinding system comprising means for direct weighing of the grinding system including the drive means, means for weighing the new ore input,...
3949940 Tube mill  
An air-swept tube mill having at least two grinding chambers and a discharge chamber, an internal by-pass means in the last grinding chamber in communication at one end with the grinding chamber...
3944146 Crusher gap setting by ultrasonic measurement  
A method for determining the adjustment of a crusher gap setting and/or crusher rate of wear in a gyratory crusher with hydraulic adjustment of the crusher cone height. The invention allows...
3937406 Agitator mill  
An agitator mill with a grinding container, an agitator shaft rotatable therein, a cylinder mounted on the lower face of the grinding container, internally connected thereto, and containing at...
3934825 Process for the wet grinding of materials  
A process is disclosed for the wet grinding of a material such as chalk comprising the steps of preparing a suspension containing material particles no coarser than 43 microns and grinding the...
3931997 Method for breaking concrete structures  
Concrete structures including horizontal structures such as slabs, sub-beams and main beams and vertical structures such as internal walls, external walls and columns are broken by a static load...
3927836 Fine flaked aluminum manufacture  
The invention relates to an improved method and apparatus for comminution or milling of aluminum in granulated or atomized form into fine flaked particles and to the particles themselves. The...
3924813 Method and apparatus for clay beneficiating  
A method and apparatus are provided for clay beneficiation by wet grinding process using a fine size, hard, relatively dense grinding media such as glass spheres.
3923254 Cement mill and method of starting same  
This invention relates to grinding plants having a cement grinding mill and auxiliary mechanical and electrical control installations for internal water injection to cool the product ground in the...
3920190 Stack processor  
A stack processor and method of using the same in which a stack is moved onto a transporting bed through chain flights and advanced thereon during the processing operation by energization and...
3905557 Crushing roller mill protective method and system  
A method and system for protecting crushing roller mills against excessive wear arising from blockage of a crushing roller includes continuous electrical measurement of the temperature and level of...