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7942566 |
Fly ash treatment system and method of use thereof
The present invention provides a system for treating fly ash and a method of use thereof. The system and method allow for the quick and consistent application of a chemical entity to fly ash so...
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5664881 |
Counter-flow asphalt plant with multi-stage combustion zone overlapping the mixing zone
A drum mixer is provided with a rotatable cylinder in which aggregates, reclaimed asphalt pavement and liquid asphalt are mixed to produce an asphaltic composition. The drum cylinder includes a...
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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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4964731 |
Shotcrete gun
Shotcrete gun consisting of a concrete container and a spraying device, such as a worm screw, and a nozzle for pressurized air. The whole shotcrete gun assembly is mounted on a traversing mechanism...
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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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4585353 |
Apparatus for the preparation and application in situ of blends of structural material
A process for the preparation and immediate use in situ of ready to use blends of structural material, such as plaster, mortar, stucco, tile adhesive or similar blends, which, in contrast to the...
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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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4293227 |
Spraying unit for unhardened concrete and the like
The present invention relates to a spraying unit for unhardened concrete and the like, which is provided with an apparatus capable of mixing a constant quantity of quick-set additive, for example,...
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4239397 |
Method for manufacturing shotcrete structures using a material having high impact resistance and optimum deformation properties
The invention refers to fibre reinforced shotcrete and it more particularly resides in an improved method for manufacturing structures of such concrete by means of shotcrete. According to the new...
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4225086 |
Method and a device for adding material in an air stream to a nozzle
Spraying of materials, which prior to the spraying operation have been mixed from two airborn material flows in a spray nozzle, results in a high wastage rate. It has now been found that this...
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4211490 |
Drum mix asphalt plant with fiber filter dust collector
Drum mix asphalt plant apparatus connected to a fiber filter dust collector for removing dust and other light particulate matter produced by operation of the drum mixer. Asphalt material is added...
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4208195 |
Device for dispersing a residual gas comprising a plurality of injection nozzles
A device for dispersing in the atmosphere a residual gas, especially a residual gas containing gaseous hydrocarbons, comprises an open ended mixing conduit having two end sections, at least one...
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4140349 |
Mobile mixing apparatus
This mobile mixing apparatus utilizes a conventional pneumatic tractor trailer suitable for transporting and discharging granular bulk material which is modified to discharge and mix a liquid...
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4057443 |
Foamed gypsum wallboard
Lightweight gypsum wallboard produced by continuously combining a small amount of surface active agent with a liquid stream which stream is made up of substantially all of the liquids to be used in...
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4050677 |
Mixing device
A device for the in situ building up of fibre-reinforced mortars and plastics, said includes an inner tube serving to forward a stream of air-born fibres. Surrounding the inner tube is a jacket...
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4025057 |
Equipment for making asphalt paving compositions
Particulate emissions during production of asphalt concrete are controlled by contacting wet aggregate with an asphalt composition at or before introduction of the aggregate into a heated mixing...
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3940119 |
Rotor gun for the air placement of granular and cementitious materials
Rotor gun means for the air placement of granular and cementitious material. A mixing chamber for granular and cementitious materials, has a rotor gun mounted therein. The rotor gun comprises a...
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3871583 |
CEMENT SPRAY GUN WITH REMOTE AIR INJECTION
A spray gun for cement or the like material which includes a substantially cylindrical gun having a nozzle at one end thereof and a hose connected to the other end thereof. Handle means will be...
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3705710 |
SOLIDS FEEDER SYSTEM
A system is provided for dispensing and delivering particulate material which includes an upright hopper with continuous sidewalls converging to a generally elongated outlet at the bottom, an...
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3625487 |
PLACING OF CONCRETE
Apparatus for placing concrete comprises a duct to guide the concrete from a mixing station to a placing station, a pump to provide a continuous flow of air in the duct in the direction towards the...
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3515376 |
MACHINE FOR COATING PLATE OR SHELL-SHAPED BUILDING ELEMENTS
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3212759 |
Apparatus for spraying wet cementitious materials
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3114536 |
Furnace repair gun
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3091369 |
Weighing and mixing hopper
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3017164 |
Portable concrete mixing foamating and dispensing machine
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2964302 |
Apparatus for plastering walls by means of compressed air
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2942860 |
Concrete gun, mixer and sandblaster
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2880976 |
Mobile mixers of the type carrying spray of other delivery means for concrete or thelike
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2835482 |
Cement applying machine
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2786656 |
Impact spraying of slurries
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