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8133316 |
Process for preparing an asphalt mixture
A process for preparing an asphalt mixture from recycled asphalt pavement (RAP), virgin aggregate, filler and first and second binder materials, is disclosed. The process comprises steps of...
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7794133 |
Dust-reducing mixing device and process
Mixing devices and processes that make it possible to mix flowable finely divided solid particles with liquids (and/or slurries of solids in liquids) contained in an open top container outdoors...
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7784994 |
Aggregate mixing apparatus having spherical batch mixing vessel with jet pump to help load material and single pneumatic source to pressurize mixing vessel and drive jet pump
Mixing apparatus includes a batch mixing vessel with an inlet to receive constituent material, an agitation assembly for mixing the constituents and an outlet to convey batches of the mixed is...
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7780335 |
Water control apparatus
An embodiment for a water control apparatus is disclosed that may be used with a concrete mixing assembly. The apparatus may include flowmeter unit and a normally closed valve unit. The normally...
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7766537 |
Lightweight foamed concrete mixer
An apparatus for on-site manufacturing of lightweight concrete used for insulation in roof decks and roof systems of building structures. The apparatus is supported on a transportable trailer frame...
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7470338 |
Process for forming dense layers in a gypsum slurry
A process for manufacturing plasterboard and a plasterboard manufacturing unit are provided, the process including feeding hydratable calcium sulphate and water into a first mixer (2) and into a...
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7267473 |
Transfer system for coloring agents
A system for transferring coloring agents for concrete to a ready mix truck or the like, includes a tank for receiving coloring agents. The tank includes lines for supplying it with water and a...
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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...
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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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6780356 |
Method for producing an inorganic foam structure for use as a durable acoustical panel
A process and apparatus for creating an acoustically absorbent porous panel comprises the steps of dispensing cement and fibers with a dry mixer to create a dry mix and aqueous mixing water,...
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6710142 |
Method of extracting gaseous fluid
There is provided a method for extracting a gaseous fluid which comprises extracting the gaseous fluid through fluid extraction ports set up on the top face portion of a vertical-type agitation...
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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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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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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,...
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5803596 |
Method and apparatus for high capacity production of finished aqueous foam with continuously adjustable proportioning
An apparatus for continuous production of finished foam material, in which the proportions of the constituents are monitored and continuously adjustable during operation of the machine. The liquid...
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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...
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5733039 |
Sealing plate for sealing a rotor unit
A sealing plate for a rotor unit of a spray machine to seal the rotor unit has with respect to the stator. The rotor unit has a plurality of surrounding bushings that have at both sides thereof....
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5570953 |
Mud-mixing machine for drywall texturing and other applications
A method of forming a mixture of powdered material and water includes the step of providing a hopper, a holding tank, a tube intermediate the hopper and the holding tank, and an air-powered auger...
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5433519 |
Method and apparatus for the application of mortar or concrete by spraying
A method and device for the application of mortar or concrete by spraying, wherein a quick-acting binding agent mixed with an admixture is transferred to a spraying-nozzle by a pneumatic conveyor...
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5419632 |
Method and apparatus for continuous mixing and injection of foamed cement grout
An apparatus and method for the continuous generation and placement of a foamed cement grout. The assembly is mounted on a fixed or mobile frame. There is a continuous foam generator, and this...
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5411332 |
Blender with virtual baffle of particulate material
A blending apparatus, inexpensive in construction and requiring a minimum of recirculation, is today essential for economical and thorough blending of particulate material, for example, plastic...
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5246163 |
Method of applying quick setting spray materials
A method of applying a quick setting spray material is disclosed, wherein a cement-containing principal composition is supplied into a feed pipe and sprayed through a nozzle and an aqueous solution...
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5184892 |
System and method for continuous gravimetric metering, pneumatic conveying and/or mixing of pourable materials
A system and method for continuous pneumatic gravimetric metering and/or mixing of pourable materials using at least one gravimetric metering apparatus incorporated in a closed loop air conveying...
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5141363 |
Mobile train for backfilling tunnel liners with cement grout
A mobile train for mixing foamed cement grout within a tunnel and injecting the grout into the annular cavity between the tunnel bore and liner. Cement slurry is suppled to the train through a...
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5102228 |
Apparatus and method for producing foamed materials
An apparatus and method for controlling the production of foamed material in which the material and foam are delivered to a mixer (12) in predetermined relative proportions. The apparatus comprises...
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5018868 |
Cement storage and mixing system
A dry bulk cement storage and mixing system comprises one or more generally cylindrical storage tanks or bins having somewhat wedge shaped bottom discharge sections with tapered flight conveyor...
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5009508 |
Apparatus for mixing concrete
An apparatus for mixing concrete which includes a tank having at least a portion thereof which permits the inside of the tank to be visually observed from the outside of the tank. An inlet is...
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4895451 |
Mixing device
An improved mixing device is disclosed for mixing an abrasive such as sand with a flowing fluid such as compressed air. The improved mixing device comprises a body member having a major internal...
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4844340 |
Method and apparatus for spraying an inorganic hydraulic material composition containing reinforcing short fibers
An inorganic hydraulic material composition containing reinforcing short fibers is sprayed without breakage thereof, by fluidizing reinforcing short fibers in a blast of compressed air, by blending...
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4815860 |
Method and device for the continuous dosing of powdery substances by means of high-pressure gas
Method for the continuous dosing of powdery substances, preferably synthetic silica, by means of high-pressure gas, especially by mean of compressed air, in which in a multiple, at least double...
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4801210 |
Method and apparatus for continuous mixing of small, precise quantities of bulk materials with a liquid stream
A continuous mixer is provided for combining bulk materials metered at a relatively slow rate into a liquid stream and is particularly useful for preparing an innoculant solution for treating feed...
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4697960 |
Method and apparatus for anchoring rock bolts and cables
A method and apparatus for anchoring rock bolts and cables in drill holes is disclosed. The method of the invention comprises mixing a dry aggregate-cement mixture with a limited, predetermined...
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4685810 |
Mixing apparatus for powdered or granular materials
An apparatus for mixing and dispersing powdered or granular materials into a liquid solvent with a pneumatic transport means including a supply hooper, a pressure vessel which receives granular...
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4630929 |
Apparatus for producing patching material for filling potholes in paved surfaces
An apparatus is disclosed for producing patching material for filling potholes and the like in paved surfaces which includes a hopper for receiving a quantity of pulverulent material, a tubular...
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4619531 |
Batching plant
This invention relates to a batching plant for particulate materials including batching of finely divided material such as cementitious (e.g. cement and flyash) and denser material such as...
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4618294 |
Concrete feeder apparatus
An improved concrete apparatus is disclosed herein which is particularly well suited for a wide variety of applications wherein it is necessary to supply a granulated or powdered material in either...
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4586823 |
Device for mixing and applying wet concrete
A method and device for preparing a wet concrete mix. An elongated tubular swirl chamber has a generally cylindrical shaped interior. A shaft extends axially in the chamber and is adapted for...
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4565451 |
Method and apparatus for combining granular components
A method and apparatus for combining granular components. The granular material, in finely divided form, is moved from spaced-apart locations into flight paths or trajectories which overlap or...
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4440499 |
Method and apparatus of blowing mortar or the like
A new method and an apparatus concern improvements of blowing mortar or concrete on the feeding compression air, in which dry-mixed materials are quantitatively jetted from a nozzle at a blowing...
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4416856 |
Process for the polymerization and copolymerization of ethylene, using a gas injector device
Process and device for cooling a mixture of polymer and monomer from a reactor in which ethylene is polymerized or copolymerized at a pressure greater than 1,000 bars between a pressure-reduction...
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4326560 |
Apparatus for injecting fluids into aggregates
There is disclosed an apparatus for injecting fluids into flowing aggregates such as injecting water into a traveling dry cementitious mix in which a substantially annular fluid slot surrounds the...
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4309113 |
Asphaltic concrete recycle exhaust gas treatment apparatus and method
An improved process for cleaning asphaltic concrete recycle gases comprises introducing a flame into the exhaust gas stream at the opposite drum end that heating gases are introduced.
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4306814 |
Apparatus for mixing concrete
A concrete mixing apparatus comprises a mixing vessel at the bottom of which a plurality of heated steam injectors are arranged, the opening and closing whereof are controlled by valves slaved to...
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4185924 |
Flowable material pump apparatus
A flowable material pump apparatus for coupling to a vehicle including an application assembly comprising a frame which is attached to and travels in a spacially consistent fashion with respect to...
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4185923 |
Method and apparatus for producing insulating material
A method and apparatus for providing an insulating material, for example for a building, in which a premix of water and cement is provided, an air foam is formed by introducing air under pressure...
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4184771 |
Centrifugal mud mixer
An apparatus and method for mixing liquid or drilling mud with solids is disclosed. The apparatus provides first and second concentric housings which are utilized as mixing chambers. An inlet...
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4154537 |
Product density control apparatus
Apparatus comprising a continuous mixer adapted to receive dry and wet ingredients and a gas to provide a homogeneous output mix, a gamma ray density detector positioned to sense the density of the...
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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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4106111 |
Improved concrete making and transmission
Concrete is manufactured by mixing cement with substantially the exact precise quantities of water needed to produce a setting of the cement, agitating the mixture until its viscosity is...
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4092737 |
Method for preparing fibers for mixing into a sprayed concrete mass and a device for performing the method
The invention provides a method and apparatus for preparing precut steel fibers initially packed in bundles or occurring as closely packed lumps for mixing with concrete as a sprayed mass, the...
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