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| Number | Title | Issue Date |
| 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 on a conveyor containing a concrete mix. The concrete mix and pigment... | 09/18/2007 |
| 6979116 | Apparatus for injecting dry bulk amendments for water and soil treatment The present invention is an apparatus for introducing a dry material into a fluid stream in a way that ensures a predictable, highly accurate and consistent application of the material. The invention applies variable amounts of dry material regardless of whether the... | 12/27/2005 |
| 6945686 | Method for dosing reinforcing fibres for the manufacturing of fibre concrete and the chain packing used A method for dosing reinforcing fibers in a mixing silo during the manufacture of fiber concrete. The reinforcing fibers as supplied in a chain packing of sacks. The sacks may be made of material which can be disintegrated in mortar or concrete. The chain packing in... | 09/20/2005 |
| 6698993 | Transporter A transporter is adapted to tip by using bilateral rams on opposite sides of a main compartment in the form of an open topped bin. The main bin is V-shaped in profile and when the trailer is tipped a conveyor underneath the bin raises an ingredient flowin... | 03/02/2004 |
| 6550362 | Apparatus and method for dispensing fibers into cementitious materials An apparatus (25) for transporting pre-measured quantities of fibers in a plurality of containers (13), separated by a plurality of webs (14), joining the containers together at spaced intervals, to a mixer (22) for cementitious materials, the apparatus c... | 04/22/2003 |
| 6123447 | Blending trolley for forming vertical columns of tobacco in an intermediate reservoir The invention relates to a method and a device for feeding layers of tobacco to an intermediate reservoir, including feeding a continual falling, horizontal shifting stream of tobacco to the intermediate reservoir, the falling stream of tobacco being defl... | 09/26/2000 |
| 5590976 | Mobile paving system using an aggregate moisture sensor and method of operation A mobile paving system (10) is provided that produces paving material while the mobile system (10) proceeds over a surface. The mobile paving system (10) includes an aggregate hopper (12) operable to hold aggregate for use in producing paving material and... | 01/07/1997 |
| 5044819 | Monitored paving system A paving system (10) is described which comprises an aggregate hopper (12), a mineral filler hopper (14), water tank (16), an emulsion tank (18) and an additive tank (20). Aggregate, mineral filler, water, emulsion and additive are conveyed from their res... | 09/03/1991 |
| 5005980 | Sludge/soil mixing machine A mixing machine operable to receive quantities of waste material and an inert material in separate hoppers for conveyance to a mixing chamber for uniform mixing thereof in prescribed ratios is disclosed wherein each hopper is provided with rearwardly dir... | 04/09/1991 |
| 4968420 | Dissolution method and apparatus A dissolution system employs a tapered vessel that has a wide, upper mouth and a narrow, lower neck. A liquid is introduced into the vessel through the lower neck and flows upwardly. A powder to be dissolved in the solution is introduced onto the liquid s... | 11/06/1990 |
| 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 concrete paste. A method of making cellular concrete paste us... | 10/30/1990 |
| 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 combination construction, a single motor is cooperatively... | 05/01/1990 |
| 4881819 | Method and apparatus for preparing concrete mortar The invention relates to a method and apparatus for preparing concrete mortar. In order to regulate the moisture content of the concrete mortar a sand sample is taken of the sand used. This sand sample is dried. The amount of water added to a concrete cha... | 11/21/1989 |
| 4780665 | Apparatus and method for controlling sand moisture An apparatus for controlling the moisture content of sand as it is transported from storage to a mold making apparatus. A conveyor is used to transport a substantially uniform layer of sand at a known rate. The electrical resistance across the sand layer ... | 10/25/1988 |
| 4715721 | Transportable integrated blending system An integrated blending system comprises a mixing subsystem and a particulate material conveying subsystem which introduce materials into a blender subsystem for producing a blend which is pumped into a well through a pumping subsystem. The subsystems are ... | 12/29/1987 |
| 4712919 | Continuous soil mixing apparatus A continuous soil mixing apparatus including a series of soil feed hoppers and a mixing chamber, all supported over an elongated, endless, single conveyor belt to carry layers of soil of different compositions from the different feed hoppers to the mixing... | 12/15/1987 |
| 4610399 | Mixing particulate materials The invention relates to the mixing of particulate materials with a given mixing ratio and as part of a plant and process requiring the materials, comprising the steps of metering the materials separately in respective metering units running at least subs... | 09/09/1986 |
| 4566799 | 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 suitable for preparing a green concrete compound or a cement m... | 01/28/1986 |
| 4444509 | Feed mixing apparatus A feed mixing apparatus for use wherever livestock is cared for and fed. The apparatus has a frame positioned by the user adjacent to a supply conveyor for feed constituents and a delivery conveyor for mixed feed. A hopper unit for selectively receiving f... | 04/24/1984 |
| 4435081 | Concrete mixing plants with elevator wheel The invention relates to concrete mixing plant suitable for weighing and mixing at least two aggregate materials and cement inside a concrete mixer comprising a container to collect aggregate, weighing and/or dosing scale, a worm-screw to deliver cement, ... | 03/06/1984 |
| 4427297 | Concrete ingredient metering device The metering device of the present invention comprises a cylindrical housing having a circular top wall and a circular bottom wall. The top wall has an inlet opening therein and the bottom wall has an outlet opening therein. The outlet opening and the inl... | 01/24/1984 |
| 4416547 | Portable proportioning device Support means support an upright hopper means and mixing hopper means. Continuous conveyor means extend from adjacent the lower end of the upright hopper means to adjacent the upper end of the mixing hopper means. Motor means move the conveyor means to ca... | 11/22/1983 |
| 4402349 | Process and apparatus for charging tubular reactors with granular solids, more particularly catalysts A mechanical process for filling the tubes (3) of tubular reactors with granular solids, e.g. catalysts, wherein two or more streams of material, e.g. of different catalytic activity, can be introduced in a controlled manner into each tube (3) which is to... | 09/06/1983 |
| 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 suitable for preparing a green concrete compound or a cement m... | 05/24/1983 |
| 4329066 | Method and apparatus for continuously mixing a liquid and powder A method and apparatus for continuously mixing a liquid and a powder to form a substantially homogenous mixture. The liquid and powder are fed, via separate lines (22,21) to a cavity (7) in a rotating wheel (3,4) and to powder-accommodating spaces (13) re... | 05/11/1982 |
| 4304493 | Sand mixer A foundry sand mixer for mixing and dispensing silica or green sand and their additives through the enclosed longitudinal belt conveyor mechanism having a plurality of openings in the top communicating with a first feeder disposed above the enclosed longi... | 12/08/1981 |
| 4288166 | Apparatus for production of stable slurry of milled coal and a hydrocarbon oil The apparatus comprises a milling machine including a heated rotatable drum connected to means for supplying coarsely crushed coal and preheated oil to the drum wherein the coal becomes finely ground and homogeneously mixed with the oil, and having a disc... | 09/08/1981 |
| 4281934 | Apparatus for mixing construction materials The present mixer for construction materials, such as a bituminous sludge, has a trough with an inlet and an outlet and two mixing shafts equipped with blades rotatably supported in the trough in parallel to each other. The blades are uniformly spaced alo... | 08/04/1981 |
| 4245915 | Apparatus for making asphalt concrete A process for making asphalt concrete comprises mixing starting materials including aggregate and binder material and optionally, other additives, to a final temperature of about 60° C. to about 150° C. in an indirectly heated mixing chamber which is se... | 01/20/1981 |
| 4242306 | Process and apparatus for the production of a foamable mixture from at least two fluid, foam forming reactants and aggregates The instant invention relates to a process and an apparatus for the production of a foamable mixture from at least two fluid, foam forming reactants and aggregates, in which the aggregate is added to one of the reactants and the resulting preliminary mixt... | 12/30/1980 |
| 4190372 | Apparatus for treatment of sludge deposit Sludge deposit is stored in a sludge deposit receiving hopper, and the stored sludge deposit is fed onto a belt conveyor and transferred to a mixer. A hardener is fed to this mixer from a hardener hopper. A conveyor belt is disposed on the belt conveyor t... | 02/26/1980 |
| 4188130 | Device for continuously mixing wood chips with binder A process and apparatus for continuously mixing wood chips with a binder finely divided in air, the wood chips falling through a mixing drum in the form of thin layers with the air moving approximately perpendicularly to the direction of falling in a puls... | 02/12/1980 |
| 4152078 | Granulating apparatus Porous gypsum granules are produced by adding powdered plaster to a stable aqueous foam and agitating the foam until granules of desired size are formed. Agitation is terminated before the foam collapses, but when the foam has subsequently collapsed the d... | 05/01/1979 |
| 4140246 | Proportional control system for foundry sand mixing device Means for delivering a foundry sand mixture at a variable rate, the proportions of the ingredients in the mixture being constant as the total quantity varies. A single variable speed motor comprises the sole drive for separate components supplying differe... | 02/20/1979 |
| 4121301 | Continuous-feed alimentary paste mixer and improved noodle-making machine A mixer for continuously providing alimentary paste includes a constant rate fluid feeder responsive to a paste sensor, a constant rate flour feeder also responsive to the sensor and a mixing chamber for receiving flour and fluids from the feeders and for... | 10/17/1978 |
| 4112517 | Mixing apparatus Apparatus for homogeneously mixing relative dry particulate material with liquid material comprising a spinning disc for receiving and forming by centrifugal action a continuous annular free falling curtain layer of particulate material and a lower spinni... | 09/05/1978 |
| 4106114 | Inclined conical rotary vessels for storage and tumbling of materials to accomplish mixing and heat transfer A tumbler assembly for mixing, storing and feeding particulate materials and for transferring heat between different materials which includes a tumbler having a lower portion in the form of a hollow inverted lower cone enclosed by a circular cover. The co... | 08/08/1978 |
| 4095284 | Direct heating asphalt-aggregate recycle apparatus and method In an apparatus for heating and mixing asphalt-aggregate composition in which composition particles are exposed directly to hot gases of combustion, a plurality of lifters are secured around the drum interior surface adjacent the input end of the apparatu... | 06/13/1978 |
| 4034847 | Granular matter feeding method and apparatus therefor A granular matter feeding method and an apparatus, in which unvulcanized rubber blocks of a non-fixed shape are crushed by a crusher into granules, the weight of said granules being measured, batches of said granules being fed onto a plurality of storages... | 07/12/1977 |
| 4023776 | Process and apparatus for the production of chipboards, or like panels from a mixed material Process and apparatus for the production of chipboards, fiberboards, or like panels from a mixed material, the components of which have specific gravities that differ relatively greatly from one another. In one preferred embodiment, the components are fed... | 05/17/1977 |
