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7270469 |
Apparatus and method for adding pigmentation to concrete mix
A pigmentation dispenser utilizes a hopper having two rotors therein, a first rotor above a second rotor. The second rotor moves the pigmentation material through an outlet opening and deposits it...
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6644844 |
Mobile blending apparatus
The present disclosure provides a blender apparatus that can be used to prepare a slurry from carrier fluids and solids. In a preferred embodiment, the blender includes a mixing tub system, a...
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6267847 |
Pulper for a stock preparation system
A pulper in a stock preparation system includes a housing with a fiber inlet, at least one water inlet, at least one outlet and an inner chamber. A plurality of stationary pulping foils are...
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6193402 |
Multiple tub mobile blender
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....
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6186654 |
Portable and modular batching and mixing plant for concrete and the like
A portable concrete plant capable of producing up to 240 to 300 cubic yards or more of concrete per hour is disclosed in which two hauling trailers, a mixer trailer and an aggregate trailer, both...
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5893639 |
Apparatus for producing and simulataneously distributing cement mixes and the like
Apparatus for distributing and producing cement mixes, substantially concrete, using an endless conveyor belt movable at the base of separate containers which contain the inert materials and the...
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5695280 |
Concrete stabilization system and method for utilizing same
A concrete stabilization system which includes a number of subsystems to provide a complete reuse and reclaiming of all concrete which remains unused at the end of the production day, and also...
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5580166 |
Cement pump for a wet spray system
In a concrete pump for wet spraying, in which standard concrete is pumped to a mixing jet, compressed air and if necessary a hardening accelerant are mixed into the concrete stream, which is...
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5354127 |
Segmented mixing auger
An auger conveyor assembly including a helical auger infeed section having interrupted auger flights which communicate with an offset, commonly driven outfeed section including a helical ribbon...
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5213414 |
Mixing apparatus
The apparatus allows mixing of a solid and a fluid continuously to facilitate downhole operations, especially gravel packing. The apparatus comprises a solids hopper, with preferably an internal...
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4993839 |
Method and apparatus for producing asphaltic mix
A method and apparatus for producing asphaltic mix for roadway use is disclosed, and which comprises a primary plant which is designed to be located remote from the point of use, and a separate...
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4973166 |
Particulate material conditioner
A machine for conditioning granular materials includes a dual section chamber through which a transport belt travels and in the first chamber of which are a pair of closely spaced counter-rotating...
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4968349 |
Method for producing hardened cement mineral material, especially concrete, and an apparatus for implementation of the method
The invention concerns a method for producing a hardened mineral product, especially concrete. The method utilizes a hydration reaction with water for at least 1 hour, preferably for 4 to 40 hours,...
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4966463 |
Mixer unit for cellular concrete paste and method of making such paste
A cellular concrete paste mixer unit is provided consisting of a first mixer and an increased number of second mixers. The mixer unit is able to simultaneously produce cement paste and cellular...
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4922463 |
Portable volumetric concrete mixer/silo
A modularly constructed, trailerable, skid mounted, multi-compartmented concrete mixer and cement storage silo having a plurality of longitudinally aligned, bottom mounted, driven feed chains. In a...
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4907890 |
Portable-concrete mixing device and method for using same
The portable continuous mixing device of the present invention comprises a first upper frame adapted to drop the dry concrete ingerdients into the upper end of a hopper. The ingredients drop out of...
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4854714 |
Blender vehicle apparatus
A blender vehicle apparatus includes a vehicle having a vehicle frame. An internal combustion engine driven hydraulic power package is mounted on the vehicle frame. A plurality of liquid additive...
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4846580 |
Large scale concrete conveyance techniques
The disclosure describes a method and apparatus for continuous mixing, transporting and placing of large quantities of concrete in which aggregate transported on a belt conveyor is mixed with...
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4838701 |
Mixer
A mixer suitable for mixing a particulate material with a liquid. The mixer has a particulate material conduit, and a volute chamber disposed about the conduit. The volute chamber has a liquid...
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4834542 |
Mixer for pulverous and liquid materials (essentially cement and water), of liquid-liquid materials
The invention consists of a centrifugal mixer with an upper rotor (3) for projection of particles, which is hard-mounted to rotor (4) allowing centrifuging of fluid (15). The invention lies in the...
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4792234 |
Portable concrete batch plant
The invention comprises a mobile concrete batch plant transportable by highway as a single unit. A cement storage hopper, a cement weigh hopper, and an aggregate weigh hopper are mounted on a...
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4783171 |
Loading conveyor for concrete mixer
A loading conveyor for a mobile concrete mixing machine is disclosed wherein the conveyor is provided with a receiving hopper for receiving a supply of material from an external source of supply....
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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...
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4755059 |
Auger swivel for concrete mixer
An auger swivel for a concrete mixer includes a channel mounted to a bowl. A center member is pivotally connected to a pivot point near the channel and near an outer surface of the bowl. The center...
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4752134 |
Mobile concrete mixer
A mobile concrete mixer comprising an elongated wheeled frame adapted to be connected at its forward end to a prime mover such as a truck or the like to enable the mixer to be moved from one...
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4579459 |
Mixing auger mounting and storage arrangement
In a concrete production system, an improved aggregates conveying apparatus includes an aggregates drag conveyor having a lower, conveying run which drags aggregates along a centrally-located,...
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4560281 |
Foundry apparatus for mixing sand with binder
Foundry apparatus for mixing sand with binder ingredients to produce a composite mixture suitable for foundry molds includes a first premixing chamber enclosing a first bladed shaft mounted for...
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4548507 |
Mixing apparatus for the production of mixtures
Mixing apparatus is provided for the production of mixtures of particulate solids and in particular, for the production of various mortar mixtures. The apparatus includes metering means, control...
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4395128 |
Mixing tower for concrete or the like
A mixing tower for concrete or the like has a series of superimposed prefabricated modules which are connected to one another and include a cylindrical lowermost module, a frustoconical...
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4322167 |
Method for making asphalt-rubber pavement compositions
A method and apparatus for mixing molten asphalt and granulated rubber including an asphalt input system and a rubber input system for delivering the molten asphalt and the granulated rubber in...
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4311395 |
Pivoting skid blender trailer
A unique chassis arrangement for the mounting of equipment thereon and a unique equipment arrangement for a ground fed type blender means which is trailer mounted for use in well servicing operations.
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4298288 |
Mobile concreting apparatus and method
A mobile concreting apparatus and method which may be used, in particular, for on-site construction of swimming pools. It includes a vehicle supporting a plurality of containers, each adapted to...
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4285598 |
Concrete mixing apparatus
A concrete mixing machine is disclosed which mixes small batches of concrete using any desired ratio of gravel, sand, cement, and water. The dry materials are mixed into concrete at the site where...
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4269798 |
Method for producing a curable, filled resin composition, e.g., artificial marble
A filler material and a heated, catalyzed synthetic resin are sequentially introduced into a mixer. The mixer has a conveying section and a mixing section. The resin and filler are introduced into...
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4223996 |
Apparatus for mixing solid and liquid constituents of mortar or the like
Apparatus for mixing metered quantities of cement with metered quantities of water has a horizontal housing with a first section having an inlet for admission of cement, a cylindrical intermediate...
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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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4106112 |
Handling and cooling foundry sand
A process and an apparatus for cooling and handling sand in which hot used sand is delivered to a mixer and mixed with cooler sand. The mixed sand is discharged from the mixer for circulation on...
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4046357 |
Shotcrete accelerator injection apparatus and method
An air driven positive displacement pump is positioned to take a suction from a source of shotcrete accelerator. A shotcrete applicator tube receives pressurized shotcrete from a source thereof. A...
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4027860 |
Method of controlling the density of a plugging fluid
A method of controlling the density of a plugging fluid including shaping the jet of the carrier liquid into a flat jet and rotating this jet about the longitudinal axis thereof in the area of...
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3866889 |
MOBILE CONVEYOR SYSTEM
Concrete or similar material requiring controlled placement is discharged from delivery trucks into a receiving hopper normally resting on the ground. The concrete is conveyed from the receiving...
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3856275 |
APPARATUS FOR MAKING AND STORING HOT ASPHALT PAVING MATERIAL
A plant for mixing hot asphalt paving material is located above a storage bin which has a lower bin discharge outlet at a suitable elevation for discharging into trucks or other transport vehicles....
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3807706 |
CONCRETE HANDLING ARRANGEMENT
A concrete handling arrangement which includes a receiving and mixing means that provides a thorough pre-mixing of the concrete ingredients just prior to ejection of same to a point of use via a...
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3612491 |
CONCRETE HOLDING MIXER
A concrete mixer is adapted for use as a temporary concrete holding drum by providing a conveyor for charging the mixer drum with premixed concrete for holding or discharge directly to the mixer...
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3502306 |
CEMENT MIXING APPARATUS
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3484082 |
APPARATUS FOR AUTOMATICALLY INJECTING MIXTURES INTO THE GROUND
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3456925 |
MIXER VEHICLE
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3451659 |
PLANT FOR CONDITIONING FREE-FLOWING HARDENING MIXTURE
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3446487 |
CONCRETE MIXERS
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3317194 |
Concrete mixer
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3305138 |
Apparatus for storing and distributing heated asphalt mix
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