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4778276 |
Device and process for continuous supply of hydraulically setting compound
A device for continuously preparing a hydraulically setting mass comprises a tubular housing having a downstream outlet opening and an upstream supply station for a dry component material of the...
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4775239 |
Double shaft forced-feed mixer for continuous and discontinuous manner of operation
A double-shaft forced-feed mixer, for example for building material mixtures, is proposed which is assembled according to the principle of movement of the batch-type mixer and is usable both for...
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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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4759632 |
Method and apparatus for producing a slurry for underwater placement
A method and apparatus for producing a slurry for underwater placement. The slurry is prepared by a mixer and the mixed slurry is then agitated by an agitator. Before underwater placement of the...
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4715719 |
Method of preparing mortar or concrete
A method and apparatus of measuring water percentages of a fine aggregate comprising the steps of prewetting the fine aggregate, containing the prewetted fine aggregate in an air-tightly closed...
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4708488 |
Mixer for water and waste material
A transportable mixer consisting of a double bottomed load body 3 for a change-load vehicle has the space between the bottoms divided into longitudinal compartments and the upper bottom consisting...
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4662759 |
Premix injection system for asphalt compositions
An injection system for asphalt, asphalt-containing or other viscous compositions, comprising a mixing drum or receptacle, an injection device having a housing and mounted nozzle jet for...
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4660985 |
Methods for producing aerated cementitious compositions
An aerated cementitious composition is produced by feeding a mixture comprising cement and foaming agent to a mixing chamber open to atmosphere together with a feed of liquid. The ingredients are...
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4618376 |
Method of producing a suspension of fly ash in water
The subject of the invention is a method of continuous production of fly- in water of a suspension a high concentration of ash with the subsequent addition of slag or granular ash and an...
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4610545 |
Mixer
A concrete mixer in this invention comprises an elastomeric lug belt carried by a first set of roller drums at least one of which is driven, the lug belt having a plurality of spaced elastomeric...
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4600379 |
Drum heating and mixing apparatus and method
A combination direct/indirect fire drum heating and mixing apparatus includes a frame having an inner cylindrical drum rotatably supported thereto and having an aggregate input in one end thereof...
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RE32043 |
Portable concrete mixing and transport apparatus
A portable concrete mixing and transport device comprises a trailer having wheels and a drum supported above the wheels, said drum being movable into and out of engagement with the wheels. Concrete...
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4478514 |
Vibrating concrete mixer
A concrete mixer having a drum, which contains mixing elements, and at least one vibrator for imparting vibrational energy to the material which is to be mixed. The vibrator is drivable by means of...
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4458733 |
Mixing apparatus
Apparatus for selectively mixing two components such as a powder and a liquid in a quick and efficient manner. The apparatus includes a compressible chamber with a liquid component therein, the...
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4372352 |
Foam dispensing apparatus
In a foam dispensing head for discharging foam in a low pressure system there is provided at least first and second orifice rods rotatably insertable within receiving bores cooperative respectively...
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4361404 |
Mixing equipment and agitator therefor for use with granular material and method of producing prepared granular material
Mixing equipment includes a mixing compartment and at least one mulling assembly for dispersing therein material, including granular material, such as foundry sand. An agitator is provided for...
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4353651 |
Method of mixing chemically bonded foundry sand by vibratory action
A method of mixing chemically bonded foundry sand by introducing the sand and binders into a lengthwise extending spiral shaped mixing trough and vibrating the trough is disclosed.
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4345841 |
Multi-stage centrifugal mixer
An apparatus and method for mixing liquid or a drilling mud with solids and a second liquid is disclosed. The apparatus provides an annular housing having a plurality of mixing chambers. An inlet...
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4340308 |
Method and apparatus for producing fluidized lime
A method and apparatus for producing fluidized lime is disclosed herein. The apparatus includes a storage tank for holding and storing a fluid medium. Lime particulate is mixed by an inductor unit...
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4335966 |
Method of preparing concrete mixtures
A process for adding water to a concrete mix wherein, after addition of an initial quantity of water to bring a particular concrete mix to or close to a so-called zero consistency, the set point...
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4328178 |
Process of producing a building product of gypsum, particularly a gypsum slab
This invention provides a process of producing a building product, particularly a gypsum slab having preferably a density of below 800 kg/m 3 , with gypsum and mixing water. The quantity of mixing...
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4239396 |
Method and apparatus for blending liquids and solids
A high capacity blender has been devised which is adaptable for use in achieving the proper blend of liquid-to-liquid or liquid-to-solid constituents making up a gel composition for use in...
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4203674 |
Use of blood in the cement, mortar and concrete industry for obtaining a lightened material
The present invention relates to the use of blood in the construction and building industry, whereby blood and extracts of blood containing haemoglobin are used as air entraining colloids. The...
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4195933 |
Method of mixing mortar
A portable mixer includes a generally cylindrical housing open at one end thereof, and a mixer blade disposed to rotate within the housing. Located at the other end of the housing is a driven...
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4189237 |
Method of preparing and pouring concrete on a building site and a container and a vehicle for use with this method
A method of mixing concrete and containers for providing predetermined quantities of cement and aggregate to be transported to a site for on site mixing of concrete. The containers have two...
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4175866 |
Method of operating a foundry sand mixing machine
A method of inhibiting the gross build up of a cold setting foundry sand mixture in a mixing machine in which a fluid inhibitor is discharged into the machine while the machine is substantially...
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4174181 |
Method and apparatus for establishing aggregate cascade zones in an apparatus for producing hot mix asphalt
An improved method and apparatus for producing hot mix asphalt wherein flights provided in a mixer drum for cascading aggregate and asphalt across the mixer drum are constructed to establish a...
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4114193 |
Device for the control of concrete manufacture in truck concrete mixers
A system and method to control concrete production employs a loading station and a mixing truck having a rotatable mixing drum for travelling between the loading station and a job site. A control...
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4106110 |
Apparatus and method for producing asphalt-aggregate compositions
Asphalt-aggregate compositions are prepared in an elongated cylindrical drum having a plurality of hollow heated and spaced pipes extending therealong. Aggregate and asphalt are introduced into the...
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4104736 |
Apparatus and method for recycling used asphalt-aggregate composition
An improved asphalt-aggregate recycling process includes heating asphalt-aggregate composition by direct exposure to hot gases of combustion to form a gaseous exhaust mixture of carbon dioxide,...
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4097925 |
Process and apparatus for mixing and transporting cement
By a combination of a slump indicator calibrated for each of the several particular trucks in a system of concrete mixer transport trucks and a particularly readily locatable dynamically balanced...
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4057227 |
Method for making ceramic casting slurries
The present invention provides an improved method for making ceramic slurries useful in forming casting molds. The method involves placing the slurry ingredients in a mixing container, removing...
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3797610 |
PIGMENTS
A method of preparing a stable suspension of a natural calcium carbonate pigment in water which comprises (a) forming an aqueous suspension containing from 70 to 85 percent by weight of natural...
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3773301 |
METHOD OF PREPARING ASBESTOS SLURRY
The invention is a method of preparing a pumpable slurry of asbestos fibers. The fibers are wetted, then placed into a holding tank, suitable liquid also being placed in the holding tank. The...
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3737149 |
METHOD AND APPARATUS FOR MIXING BITUMINOUS MIXTURES
Granular mineral components and bituminous binder components are mixed in a rotating drum by means of longitudinally extending chains which rotate along with the drum and which repeatedly lift the...
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3441255 |
CONCRETE MIXER APPARATUS
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3430930 |
PNEUMATICALLY FED CONTINUOUS OPERATION MULLING APPARATUS AND METHOD FOR ACCURATELY PROPORTIONING FOUNDRY SAND INGREDIENTS
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3290018 |
Method of producing concrete
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3258253 |
Method of and apparatus for mixing glass batch materials
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3152793 |
Process of uniformly blending finely divided cement, sand and pigment
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3093364 |
Apparatus and method for conveying slurry
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2861786 |
Pug mill mixer having improved aggregate circulating means
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