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| Number | Title | Issue Date |
| 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 ball mill which initially contains balls. The balls are re... | 11/01/1977 |
| 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 automatically controlled to make the coarse fraction available at a ... | 10/11/1977 |
| 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 machine to perform this function. A tiltable bed having a fo... | 10/04/1977 |
| 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 longitudinal axis of the drum may be adjustably inclinedfrom ... | 09/27/1977 |
| 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 detachable head with slightly inclined impact surface. An equal... | 09/20/1977 |
| 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 an aqueous suspension of magnetic granular material to se... | 08/16/1977 |
| 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 direction of rotation of at least one of said screws is intermitte... | 08/09/1977 |
| 4037793 | Citrus grater A hand-holdable citrus grating element having a shallow concave grating surface conforming substantially in size and shape to a selected segment of the exterior surface of a citrus fruit, such element having a plurality of apertures formed therethrough an... | 07/26/1977 |
| 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 between the grinding wheels. A grinding apparatus to utilize suc... | 07/05/1977 |
| 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 includes an alternating current motor combined in a mechanicall... | 05/31/1977 |
| 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 the ground ore from a ball mill operated in a reversed cir... | 05/31/1977 |
| 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 between the stator and the rotor by establishing the total ... | 05/03/1977 |
| 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 solid to be comminuted to be introduced into the grinding cha... | 12/07/1976 |
| 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 agitator is moved to displace the elements. The weight ratio o... | 12/07/1976 |
| 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 attapulgite and perlite being capable of passing through a... | 11/23/1976 |
| 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 to unbalanced masses so that the grinding material is cen... | 10/26/1976 |
| 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 into the brushes to be finely divided and aerated upon discha... | 10/19/1976 |
| 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 one another along a free edge of the construction, and a ... | 09/14/1976 |
| 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 to discharge the disintegrated material in a continuous st... | 09/07/1976 |
| 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 treated to a working action which comprises electrically con... | 08/03/1976 |
| 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 and in most cases eliminates the damage from explosions d... | 08/03/1976 |
| 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 blunt nosed projectile in a time which is less than the transi... | 06/15/1976 |
| 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, and controller means regulating the new ore input to achieve... | 06/01/1976 |
| 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 immediately preceding the last grinding chamber and at the o... | 04/13/1976 |
| 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 measurement of the gap while the machine is in motion and this da... | 03/16/1976 |
| 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 least a portion of a charge of grinding elements, and a piston... | 02/10/1976 |
| 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 material in suspension using grinding bodies having a density ... | 01/27/1976 |
| 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 applied to the concrete structure by a loading member of a s... | 01/13/1976 |
