Matches 1 - 50 out of 92 1 2 >
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7384180 Method and apparatus for manufacturing concrete mass  
Method and apparatus for manufacturing concrete mass, the concrete mass being manufactured in a mixer, and the torque caused by the mixing of the concrete mass to the mixing elements used for...
7374331 Method and apparatus electrostatically controlling the viscosity and other properties of ceramic compositions  
A method and apparatus for reducing the viscosity of a fluidic cementitious mixture, the apparatus including a high voltage source, first and second spaced electrode members electrically connected...
7067002 Unitized fibrous concrete reinforcement  
The present invention relates to a fibrous construct which is used in providing cementitious mixtures supplemental and reinforcing strength upon setting, and more particularly, to a unitized...
7066638 Flexible mixing mat and method of use  
A flexible mixing mat comprising a geometrically-shaped planar substrate having four corner areas which have been removed and replaced with four expandable corners coupled to the four corner areas,...
7050886 Chemical dispensing system for a portable concrete plant  
A computer controlled pumping and measuring system is used to dispense chemicals into a concrete mix. The redundant use of positive displacement pumps and flow meters ensure that any problems with...
6923565 Process and equipment for producing concrete products having blended colors  
A process and equipment for producing multi-color concrete products, including architectural concrete blocks, concrete bricks, modular concrete products that are suitable for use in landscaping...
6910796 Process and equipment for producing concrete products having blended colors  
A process and equipment for producing multi-color concrete products, including architectural concrete blocks, concrete bricks, modular concrete products that are suitable for use in landscaping...
6780367 Method for preparing a concrete article having reinforcing fibers frayed at their ends  
A method for preparing a concrete article comprised of concrete having therein a reinforcing fiber, where at least about 50 percent of the reinforcing fibers are frayed only at an end or ends of...
6742922 Mixer for foamed gypsum products  
Apparatus for mixing aqueous foam with a slurry of gypsum and water. A cylindrical housing includes, in its upper end, an inlet for a slurry and a helical diverter for directing the slurry in a...
6568842 High capacity mobile lime slaker  
A continuous preparation of calcium hydroxide slurry can be made on a mobile apparatus that uses an eductor to initially combine metered flows of calcium oxide and water. The calcium hydroxide...
6562430 Packeting fibers for castable compositions  
Packeted fibers comprise a plurality of fibers arranged in side-by-side manner, said plurality of fibers being cut perpendicularly to obtain terminal cut ends, and said terminal cut fiber ends...
6306210 Corrosion inhibitor container  
The method of adding migrating corrosion inhibitors to a raw concrete mix by loading a migrating corrosion inhibitor in powder form within a container fabricated from a water soluble film, and...
6293689 High volume portable concrete batching and mixing plant having compulsory mixer with overlying supported silo  
A four trailer portable concrete batching and mixing plant has production volumes of up to 600 cubic yards of concrete per hour of paving concrete meeting exacting modem paving standards. A first...
6286986 Multiple tub mobile blender and method of blending  
An improved oil and gas well servicing apparatus for blending and delivering a slurry of fracturing fluid and particulate matter at constant flow rate and pressure to a downhole pump is disclosed....
6123444 Front discharge transit mixer with weight system for determining amount of material discharged  
A method and system operable with a front discharge transit mixer to facilitate multiple deliveries of concrete materials from a single batch of concrete material. The system includes an...
6030111 Method of and system for recycling molding sand  
Molding sand of a used greensand mold is recycled by adding water and binder to sand particles fatigued by heating applied by a molten metal during molding and segregated from vigorous molding sand...
5897928 Reinforcing elements for castable composition  
Methods and articles for reinforcing castable compositions through the use of reinforcing elements maintained in a close-packed alignment in a dispersible containment means.
5865534 Materials mixer  
A materials mixer, suitable for mixing concrete, comprises a generally cylindrical housing (10) which houses a mixing chamber (15) consisting of an upper, dry mixing chamber portion (2), a central,...
5807458 Reinforcing elements for castable compositions  
Methods and articles for reinforcing castable compositions through the use of reinforcing elements maintained in a close-packed alignment in a dispersible containment means.
5795060 Method and apparatus for continuous production of colloidally-mixed cement slurries and foamed cement grouts  
An apparatus for high capacity production of high-fluidity, colloidally mixed cement slurry. Water and cement dust are combined at metered rates by a premixing assembly which discharges into a...
5775803 Automatic cementing system with improved density control  
An automatic cementing system and method are disclosed for precisely controlling the density of a slurry during a continuously mixed cement application. The system includes an input water line and...
5624182 Automatic cementing system with improved density control  
An automatic cementing system and method are disclosed for precisely controlling the density of a slurry during a continuously mixed cement application. The system includes an input water line and...
5605397 System for mixing cement and aggregate  
A system and method for mixing particulate cement with mineral aggregate(s) so as to minimize the formation and escape of dust. The system involves dispensing aggregate(s) downwardly from a hopper...
5571281 Automatic cement mixing and density simulator and control system and equipment for oil well cementing  
A cement mixing and slurry density control system utilizes an improved eductor mixer for particular use in a cementing process for an oil or gas well.
5518312 Mixing device and method  
Mixing material around an inner agitator in a mixing vessel is urged upward and outward by rotating the inner agitator in one direction. Simultaneously, mixing material around or adjacent an outer...
5443313 Method for producing construction mixture for concrete  
A method of producing activated construction mixture composed of cement, sand, water and additive introduced at an end of mixing, the method includes the steps of mixing components in a mixer with...
5441340 Method for controlling the density of a well fracturing slurry  
An automated density and chemical controller automatically controls the density and chemical proportions of a slurry that is injected into a well during a well fracturing operation. The automated...
5407299 Cement slurry mixing apparatus and method of using cement slurry  
This invention discloses a high rate, cement slurry mixing system and method which produces a highly dispersed slurry with the lowest possible viscosity in respect to the water cement ratio and the...
5368382 Cement paste mixer and method for producing mortar and concrete  
There is provided in a pressure feed pipe for feeding cement paste under pressure a wall panel assembly formed of a plurality of wall panels having collision surfaces and through holes and arranged...
5320425 Cement mixing system simulator and simulation method  
A cement mixing and pumping simulator comprises actual and virtual equipment. In response to an operator controlling this equipment, signals representing operating characteristics of a cement...
5277489 Portable batch mixing apparatus for cementitious construction materials  
A portable system for on-site batch mixing of cementitious materials, such as mortar and grout, includes a batch mixing machine for metering and mixing cement, sand and water, a cement storage silo...
5236261 Conditioned ash surge bin  
A surge bin for continuously collecting material such as conditioned ash from a nearby, non-contiguous ash conditioning pug mill and loading a haulage vehicle. The conditioned ash surge bin...
5224774 Concrete additive product and method of use  
The present invention relates to an improved concrete additive product comprising synthetic concrete reinforcing fibers packaged in a closed paper package, whereby under the influence of mechanical...
5219222 Method of mixing particulate materials in a mixing column  
A method of mixing materials includes a fluid medium, such as an aqueous fluid or a gas, continuously introduced into a mixing column for a time sufficient to allow the fluid to at least...
5203629 Method for modifying concrete properties  
The present invention relates to a method for modifying the properties of a concrete by introducing a solid admixture, contained in a paper package, into a fresh concrete, said solid admixture...
5183332 Kneading method of concrete  
The present invention aims to evenly and surely knead a concrete material comprising less water amount. Concrete material layer entered into a kneading tank is cut in an up-and-down direction and...
5169307 Process and apparatus for producing small particle lightweight aggregate  
A process for producing micropellets of lightweight aggregate having a substantially spheroidal configuration which includes continuously mixing ceramic clay and liquid in a high speed rotating pin...
5127740 Concrete reclamation system and method for utilizing same  
A system and method for reclaiming unused portions of mixed concrete by adding a chemical agent to retard the hydration state of the concrete for up to several days. When the stored concrete is...
5122348 Method of slurrying partially calcined alumina dust  
A method is described for mixing a difficult to wet, finely divided powder, e.g. alumina dust, with an aqueous liquid, e.g. Bayer process spent liquor. In the method, the liquor is introduced into...
5118197 Process for mixing two liquids  
An apparatus and a process for mixing water from a pressurized source and an additive or admixture for a cementitious composition in a mixing chamber comprising introducing, in the form of a jet,...
5064292 Method and apparatus for preparing and using a cement slurry  
This invention relates to a method of preparing, transporting, disposing and distributing a load of cement slurry, especially for highway and similar construction work. This method is particularly...
4995729 Mixing device for mortar  
A mixer for mortar has part of its water feed introduced between a rotating isk and the floor of the disk housing, this water being propelled outward through an annular constriction in the...
4973165 Method of generating precisely-defined wall shearing stresses  
A method is provided to generate over a confined space precisely defined distributions of the magnitude of the wall shearing stresses in a substrate/fluid boundary layer. A fluid flow is rotated...
4963031 Cement slurry batcher apparatus and process  
A novel process and apparatus for discharging, on a batch basis, cement and water as a slurry or in the form of separate discharges of slurry and cement, where the materials so discharged contain a...
4838699 Cement mixing process  
The invention relates to a process for improving the characteristics of a fluid and in particular of a cement slurry for the cementing of wells, particularly of oil wells, wherein it consists in...
4832497 Method and an apparatus for mixing gravel and bitumen  
A method and an apparatus for mixing gravel materials and bitumen. The gravel material is mixed with a bitumen emulsion by causing the gravel material to fall onto an inclined screen (12)...
4828393 Method for obtaining a base material for building mortar  
A method wherein the extraction of a quantity of sand, with a granular size and distribution ratio, are subjected to a moisturing or dewatering treatment until a moisture content of a maximum of...
4818112 Process for mixing foundry molding materials  
In a process for mixing wet molding materials, particularly wet molding sands used for foundry purposes, the dry components of the molding materials are premixed in a container and, following the...
4786179 Emergency protection apparatus and method for concrete mixer trucks disabled in the field  
The invention includes apparatus and method for inhibiting the hardening of a wetted concrete premix in a filled concrete mixer including providing a rotatable concrete mixer drum having a...
4781466 Method and apparatus for producing concrete  
A method and apparatus for continuously producing concrete at a job site is disclosed wherein the machine is provided with separate aggregate supply bins and a cement supply bin which are arranged...
Matches 1 - 50 out of 92 1 2 >