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| Number | Title | Issue Date |
| 8177411 | Mixer system controlled based on density inferred from sensed mixing tub weight A mixing system is provided comprising a first mixing tub, a first actuator to control flow of a carrier fluid, a sensor to determine a rate of flow of the fluid, and a second actuator to control flow of a dry material to form a mixture in the first mixing tub. The ... | 05/15/2012 |
| 7387425 | Mobile grout plant A mobile grout plant for preparing structural grout comprising a mixer having an opening for receiving at least a portion of the components for preparation of the grout, a remixer located downstream of the mixer, a deck and at least one motor to power the mixer and ... | 06/17/2008 |
| 7384181 | Milled asphalt pavement recycling A milled materials processor consists of a self contained, stationary or fully mobile thermal process plant for the thermal processing of 100% recycled asphalt pavement into new hot mix paving material. Mobile units are designed for transportation by vehicle to a jo... | 06/10/2008 |
| 7328756 | Settable fluids comprising particle-size distribution-adjusting agents and methods of use Settable fluids comprising particle-size distribution-adjusting agents, and methods of using such settable fluids in subterranean and surface applications are provided. In certain exemplary embodiments, the settable fluid comprises a cement, a set retarder, and a pa... | 02/12/2008 |
| 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 |
| 7267475 | Blender A mixing apparatus and method wherein the mixing apparatus includes a hopper having a port piston for periodically retracting to open a fluid port to allow a slug of gas to be quickly injected into the bottom of a hopper, which produces a mixing and blending of the ... | 09/11/2007 |
| 7172403 | Apparatus for preparing a gypsum wallboard core A gypsum wallboard core, and methods and apparatus for making the same are disclosed. Methods of making a gypsum wallboard core include extruding a gypsum slurry containing water, gypsum, slip agents, water-reducing agents, surfactants and, optional additives, throu... | 02/06/2007 |
| 7022505 | Apparatus and method for ultrasonic treatment of a liquid The present invention is an apparatus for ultrasonically treating a liquid to generate a product. The apparatus is capable of treating a continuously-flowing, or intermittently-flowing, liquid along a line segment coincident with the flow path of the liquid. The app... | 04/04/2006 |
| 6986656 | Method of and system for forming a fire door core A method and system of forming a fire door core are provided. Hydraulic binder and resin are supplied from raw material bins and mixed to provide a submixture. Exfoliated vermiculite is then mixed with the submixture to provide a mixture that is deposited into a plu... | 01/17/2006 |
| 6974317 | Lightweight concrete composite blocks An apparatus for manufacturing lightweight concrete composite blocks includes a form, a station conveyor, a form-loading station, a form assembly station, a curing oven, and a block removal station. The station conveyor conveys the form or a multitude of forms aroun... | 12/13/2005 |
| 6924955 | Read/write device for cartridge memory An object of the present invention is to provide a cartridge memory read/write device which can write data signals in plural kinds of cartridge memories. The cartridge memory read/write device is used in a production line on which the plural kinds of cartridge memor... | 08/02/2005 |
| 6773639 | Method of and system for forming a fire door core A method and system of forming a fire door core. Hydraulic binder and resin are supplied from raw material bins and mixed to provide a submixture. Exfoliated vermiculite is then mixed with the submixture to provide a mixture that is deposited into a plurality of com... | 08/10/2004 |
| 6309570 | Vacuum extrusion system for production of cement-based articles A system for making extruded cement-based articles. The process can include forming a cement-based feed mixture including water, aggregate and binder and directing the feed mixture to a vacuum zone, wherein sufficient vacuum is maintained in the vacuum zo... | 10/30/2001 |
| 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 attached to the housing and extend into the inner chamber. A rota... | 07/31/2001 |
| 6227813 | Apparatus for pumping mortar grout An apparatus for pumping mortar. A hopper for containment of mortar is mounted on a portable frame. A mortar pump has an inlet located within a lower portion of the hopper, and a discharge located outside the hopper. A rotary drive shaft has a lower end a... | 05/08/2001 |
| 6224826 | Sterilizing method and apparatus A method and apparatus for sterilizing water containing pathogen protozoa having shells in a simple manner without negative influencing the environment is disclosed. Ultrasonic waves are applied to drinking water to form fine cavitation bubbles which are ... | 05/01/2001 |
| 6139663 | Structure forming method, apparatus and product A method of and apparatus for forming a continuous structure includes the steps of preselecting a liquid reactive resin forming material, a particulate solid additive material and a porous blanket, mixing and encapsulating the additive particles with the ... | 10/31/2000 |
| 5752769 | Mortar mixing machine with two conveying and mixing tubes of opposite conveying direction A mortar mixing machine has a frame and a hopper supported by the frame for containing dry mortar. The hopper has an outlet with an outlet opening. A first conveying and mixing tube, connected in a working position thereof to the outlet so as to extend ho... | 05/19/1998 |
| 5714032 | Method of manufacturing multilayer plasterboard and apparatus therefor The apparatus includes a two-stage mixer formed within a single housing and including a first high shear mixer and a second low shear mixer. Plaster slurry is formed in the first mixer. A partition is laid on a first fixing sheet, a portion laid on a seco... | 02/03/1998 |
| 5660465 | Apparatus and system for producing foamed cementitious products An apparatus and method for introducing a metered volume of air into a continuously generated and flowing slurry composed of metered dry cementitious material, metered water and metered air entraining (or foaming) agent and for homogenizing this air into ... | 08/26/1997 |
| 5618104 | Method for cooling white cement clinker A method of cooling white cement clinker sintered in a rotary kiln includes the following steps: introducing the white cement clinker from the rotary kiln into a first cooling stage; comminuting the white cement clinker in the first cooling stage; quenchi... | 04/08/1997 |
| 5609835 | Multi-purpose apparatus An apparatus enabling reaction and post-reaction processing in a single assembly including a reaction chamber and a filtration and/or drying chamber adjacent to one another, the chambers being selectively isolated or in communication. A shaft common to bo... | 03/11/1997 |
| 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 arranged to feed powdered material from the hopper through ... | 11/05/1996 |
| 5522658 | Apparatus for mixing lightweight concrete Apparatus for mixing lightweight concrete includes a main mixing unit which receives volumetrically measured dry aggregate material including polystyrene and wet material which includes cement measured by weight and water measured volumetrically. The wet ... | 06/04/1996 |
| 5484201 | System for the recovery of oil and catalyst from a catalyst/oil mix The present invention discloses a method and apparatus for separating and recovering catalyst and oil from a catalyst/oil mix, using the steps of mixing the catalyst/oil mix with a solvent for the oil and dissolving the oil in the solvent, separating the ... | 01/16/1996 |
| 5484200 | Mixer The invention provides apparatus for use in the preparation of gypsum products such as plasterboard from foamed gypsum plaster slurry. The apparatus comprises a first mixing chamber 10 containing a high speed rotor 14 and inlets 18, 19 for gypsum plaster ... | 01/16/1996 |
| 5433520 | Method and apparatus for continuously processing particulate cementitious material and fly ash solids and mixing them with a liquid to provide a liquid slurry of consistent proportions A controlled method of, and apparatus for, continuously processing initially dry, particulate, cementitious material and fly ash solids and mixing them with a liquid to provide a liquid slurry of consistent proportions. The method and apparatus are concer... | 07/18/1995 |
| 5397177 | Asphalt production plant having a two-burner dryer with increased exhaust capacity An asphalt production plant with a drum dryer having two burners and expanded exhaust gas exit area. The dryer has a rotatable dryer drum with an inlet end and a discharge end. A burner is positioned at each end of the dryer drum to produce a stream of ho... | 03/14/1995 |
| 5372790 | Vertical continuous reactor A vertical reactor system having a plurality of substantially vertically aligned reaction compartments one on top of the other, the reactant materials (and catalyst and solvent, if desired), flowable from a first top compartment through intermediate compa... | 12/13/1994 |
| 5352035 | Concrete mixing system with cement/water premixer A system for mixing cementitious material, liquid and aggregate to form concrete includes a cementitious material measuring device which provides dry cementitious material to an enclosed screw conveyor assembly. The dry cementitious material is thoroughly... | 10/04/1994 |
| 5332312 | Chemical handling and mixing system A chemical handling and mixing apparatus is disclosed, consisting of a chemical loading apparatus in which bulk chemical is mixed with water into an aqueous solution or slurry and an agitation apparatus which receives the aqueous solution or slurry from t... | 07/26/1994 |
| 5310955 | Vertical continuous reactor and process for liquid epoxy resin A vertical reactor system having a plurality of substantially vertically aligned reaction compartments one on top of the other, the reactant materials (and catalyst and solvent, if desired), flowable from a first top compartment through intermediate compa... | 05/10/1994 |
| 5275485 | Device for moving solid particles A device for moving solid particles, especially one designed as cooling mixer, has a substantially horizontal jacketed tank (11), in which a shaft (14) is seated for rotation. The shaft (14) is equipped with mixing tools. Bulk material can be introduced i... | 01/04/1994 |
| 5246287 | Colloidal grout mixing apparatus and method A mixing method uses, and a colloidal grout mixing apparatus comprises, an upright cylindrical vessel in which a mixer is located. The mixer comprises a shaft extending substantially co-axially with the longitudinal axis of the vessel, and a paddle assemb... | 09/21/1993 |
| 5201839 | Countercurrent drum mixer with second heat source An asphalt production system utilizing a pair of rotatable drums for producing an asphaltic composition is provided. The asphaltic composition is produced by separately heating a volume of virgin aggregate material in a countercurrent drum dryer and heati... | 04/13/1993 |
| 5178459 | Tank with a double stirring system, primarily a curdling tank A curdling tank includes two upright, mutually intersecting, circular tank sections, each of the circular tank sections having a concentrically operated stirring system. The bottom portions of each of the circular tank sections are shaped to include slopi... | 01/12/1993 |
| 5169307 | Process and apparatus for producing small particle lightweight aggregate A process for producing micropellets of lightweight aggregate having a substantially spheroidal configuration which includes continuously mixing ceramic clay and liquid in a high speed rotating pin mixer to encapsulate substantially all other non-volatile... | 12/08/1992 |
| 5148403 | Production of prerecorded tape cassettes Open spool reels (18) of magnetic tape (7) are recorded with a plurality of different programmes interspersed with recordings in a different form (typically as interruptions to the sync track), representing data information concerning the programme materi... | 09/15/1992 |
| 5127740 | Concrete reclamation system and method for utilizing same A system and method for reclaiming unused portions of mixed concrete by adding a chemical agent to retard the hydration state of the concrete for up to several days. When the stored concrete is again desired for use, a chemical accelerating agent is added... | 07/07/1992 |
| 5114239 | Mixing apparatus and method A mixing apparatus comprises two or more tubs in which mixtures can be mixed to obtain averaging of a particular property, such as density. Two recirculation lines are used. One recirculates between an initial mixing tub and a mixing inlet, and the other ... | 05/19/1992 |
