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7563017 |
Process for mixing congealable materials such as cement, asphalt, and glue with fibers from waste carpet
A process for making reformed fiber from waste carpet material including separating into their individual strands, in well-graded lengths by mechanically disrupting, milling and granulating the...
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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...
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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...
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6971783 |
Recycled material and mixing machinery
Site-won spoil from an excavation which is a predominantly non-granular cohesive material can be converted into a material suitable for immediate use as a backfill material by a process of...
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6971784 |
Process for producing fiber reinforced hot-mix asphaltic and cementitous structural materials with fiber pellets produced from carpet waste
A process for effectively mechanically disrupting fiber pellets produced from waste carpet material into their individual strands and for insertion and uniform distribution of such fibers through...
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6860313 |
Method and device for the preparation of foundry sand
A device for preparing moulding sand. The device includes a mixer configured to operate under at least a partial vacuum and at least one feeder to introduce components to be mixed. An inlet in the...
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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...
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6591891 |
Method for making sand covered with bentonite, the sand, and a method for recycling molding sand for a mold using the sand covered by bentonite
Given green sand is obtained by a mixing operation that is carried out for a short period of time. Discarded sand is supplied as supplementary sand to a sand processing line, so that molding sand...
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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...
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6015225 |
Vibration input to moving aqueous cementitious slurry
The method of treating an aqueous, cementitious slurry, to enhance fluidity, that includes providing a container for the slurry and effecting movement of the slurry via an impeller, in the...
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5813754 |
Vibration input to moving aqueous cemetitious slurry
A container is provided for slurry; an impeller is provided to effect slurry movement in the container; and a vibrator is operated for transmitting sufficient vibration to the moving slurry to...
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5785419 |
Lightweight building material and method of construction of cast-in-place structures
In a first aspect, a lightweight building material for use in above grade construction comprising cement, fly ash, cellulose fiber, and water. In cured form, the material has the appearance and...
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5564823 |
Method and apparatus for separation and volume measurement of components for lightweight concrete
A method and apparatus to simplify the measurement of lightweight concrete components and to recycle waste materials that result from lightweight concrete block manufacture. The method involves...
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5507572 |
Method and apparatus for supplying a continuous product stream of lime slurry to a remote jobsite
A method and apparatus for providing a continuous product stream of lime slurry to a job site which is located remote from a permanent lime production plant utilizes a primary and auxiliary tank...
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5466063 |
Device for continuously mixing liquid additives into a fluid
This invention concerns a device for continuously injecting liquid additives into a fluid. The device includes a jet eductors system for prediluting the additives. Applications in the oil and...
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5427448 |
Method for mixing concrete using a cementitious material/liquid premixer
A method of mixing cementitious material, liquid, and aggregate uses a cementitious material/liquid premixer to form concrete. The method of mixing includes: dispensing cementitious material...
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5375925 |
Material blender mixer and method therefor
A material blender mixer is mounted to a chassis of a vehicle. The mixer includes a first material holder bin mounted to the vehicle chassis, a second material holder bin mounted to the chassis...
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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...
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5265247 |
Laboratory data storage and retrieval system and method
A method for maintaining in a computer memory laboratory test records for a plurality of projects, particularly adapted to projects for cementing oil or gas wells, are disclosed. Records of data...
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5201472 |
Method for preparing and storing a recyclable shingle material
A method for treating asphalt roofing shingles to be used for recycling in an asphalt plant which mixes asphalt roofing shingles with between about 15% and 50% by weight of a carrier aggregate. The...
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5114239 |
Mixing apparatus and method
A mixing apparatus comprises two or more tubs in which mixtures can be mixed to obtain averaging of a particular property, such as density. Two recirculation lines are used. One recirculates...
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4956821 |
Silo and delivery system for premixed dry mortar blends to batch mixers
An improved silo and delivery system for efficiently handling dry mortar-blend compositions at construction sites is disclosed. Mortar-blend compositions are premixed to desired specifications and...
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4904089 |
Particle wetting process and apparatus
A method of mixing particulate cement and water in a primary mixing vessel to form a slurry batch, includes introducing a measured quantity of water into the vessel, introducing a measured quantity...
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4767461 |
Method for manufacturing concrete
The present invention is directed to a method for manufacturing a concrete which comprises the steps of mixing 20 to 100% of the total weight of cement used with water in an amount of 20 to 50% of...
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4491414 |
Fluid mixing system
A fluid agitating apparatus is disposed in a vessel containing a body of fluid to be agitated. The fluid agitating apparatus includes a housing having an inlet at an open lower end thereof, and an...
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4390281 |
Slurry gun
A method and apparatus for the mixing of fly ash and a wetting agent to obtain a slurry for the ultimate disposal of fly ash. The apparatus is a slurry gun having an introduction chamber, the...
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4384787 |
Method and apparatus for adjusting the quantity of liquid deposited on fine granular materials and method of preparing mortar or concrete
The quantity of water on the surface of sand particles is reduced by applying an impact force, e.g. centrifugal force created by a rotating disc. The sand particles thus treated are especially...
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4347002 |
Method and apparatus for the preparation of drilling mud
A method for the preparation of drilling mud wherein solid and liquid phases of drilling mud are mixed in a vessel (2) to obtain a homogeneous suspension. After the mixing the drilling mud is...
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4174906 |
Process and apparatus for the continuous preparation of a mixture for foundry molds or the like, with formation of a premix
A process and apparatus for the continuous preparation of a molding mater comprising a granular and/or pulverulent charge agglomerated by a binder-hardener system are disclosed. An intimate and...
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3888467 |
Concrete holding and mixing assembly and method of transporting and distributing concrete
An independent assembly for holding and mixing concrete comprises a mixing drum, power drive means for rotating the drum, a base support member to which the drum and drive means are secured, and...
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3863904 |
MIXING OF FRAGILE GRANULAR MATERIALS
Two or more materials, at least one of which is of a granular nature and has a bulk density of less than 70 lb per cubic foot are mixed together by supplying the materials onto a dish-shaped...
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3792837 |
METHOD AND APPARATUS FOR DRY MIXING
A method and apparatus for mixing fine powdered material with other dry material, without creating an objectionable dusty environment, which consists in placing the dry powdered material in a pan,...
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3715107 |
TRANSIT CONCRETE MIXER AND METHOD OF MIXING CONCRETE COMPONENTS
A transit concrete mixer and method of mixing concrete components, wherein a rotatable drum is provided with a series of inclined blades on its interior, the blades being disposed to move concrete...
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3682448 |
METHOD OF CONTINUOUS AND CONTROLLED PREPARATION OF THE LIQUID SELF-HARDENING MOULDING SAND AND THE INSTALLATION FOR ITS APPLICATION
Method and apparatus for the continuous preparation and delivery of self hardening liquid containing foundry sand in which granular components are stored in hoppers and a liquid component is stored...
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3574345 |
TREATMENT OF FINELY DIVIDED MATERIALS
A process for treating particulate materials, such as clays and chalks, predominantly comprising particles smaller than 75 microns equivalent spherical diameter wherein a filter cake of the...
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3563517 |
CEMENT SLURRY MIXING SYSTEM
A slurry reservoir is supplied with a flow of dry bulk cement and mixing water. Mixed slurry from the reservoir is recirculated to a mixing slurry jet disposed in the flow of dry bulk cement and to...
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3558107 |
FOAMING AGENT MIXER AND METHOD
A mixing apparatus comprising a casing containing two rotatably mounted helices one within the other and means for rotating the helices, that the arrangement being such that as they rotate the...
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3547412 |
PRODUCTION OF LIGHTWEIGHT CONCRETE
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3526392 |
METHOD OF HAULING AND MIXING CONCRETE
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3456924 |
METHOD OF AND APPARATUS FOR PREMIXING GRANULAR MATERIAL ADDITIVES
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3432151 |
PORTABLE SAND-FLUID BLENDER
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3395897 |
Method of and apparatus for mixing hydraulically hardenable binding material and water
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3339898 |
Mixing method and mixing trough construction
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3310293 |
Concrete mixing and delivery system
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3182973 |
Process for the stabilization of soil mixtures
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