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| Number | Title | Issue Date |
| 7422359 | Method of mixing cement and water for concrete production A high-speed turbine mixer combines water and cement into a pre-mixed cement paste that is added to aggregates to create a concrete mix. The turbine mixer includes a housing that cooperates with an auger to move dry cement into a mixing chamber where water is added.... | 09/09/2008 |
| 7384180 | Method and apparatus for manufacturing concrete mass Method and apparatus for manufacturing concrete mass, the concrete mass being manufactured in a mixer, and the torque caused by the mixing of the concrete mass to the mixing elements used for mixing of the concrete mass and/or the power consumption of the drive of t... | 06/10/2008 |
| 7354191 | Mortar mixer and trunnion assembly A mortar mixer includes a substantially cylindrical drum having end plates supporting trunnion assemblies, with housings, having an interior space defined by an interior surface around the paddle shaft. A first seal is located adjacent the end plate and is positione... | 04/08/2008 |
| 7320539 | Concrete batching facility and method A concrete batch mixing system and method are disclosed that enable the batch master to measure and control both the water and cementitious ingredient feeds in relation to each other so as to be able to blend the two ingredients in a known, selected, adjustable and ... | 01/22/2008 |
| 7281839 | Turbine cement/water mixer for concrete production A high-speed turbine mixer combines water and cement into a pre-mixed cement paste that is added to aggregates to create a concrete mix. The turbine mixer includes a housing that cooperates with an auger to move dry cement into a mixing chamber where water is added.... | 10/16/2007 |
| 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 |
| 7248823 | Electrographic ribbon and method implementing a skive A blender for electrographic developer has an outer cylindrical surface having an axis, the blender being adapted to rotate about the axis; and a skive defining an outer edge adjacent said cylindrical surface and spanning a length along said axis. ... | 07/24/2007 |
| 7165877 | Slurry mixing apparatus The invention is an apparatus for mixing fluent material. A hopper is pivotably mounted to a frame on a pivot axis that is substantially spaced from the axis of rotation of a mixing paddle. Because the pivot axis is substantially spaced from the axis of rotation, th... | 01/23/2007 |
| 7121713 | Swinging agitator for a gypsum calcining apparatus and the like An agitation mechanism for a gypsum processing apparatus which includes a housing having a bottom wall, and at least one side wall. The housing can be constructed and arranged to receive and process gypsum-based products. An agitator frame having a similarly shaped ... | 10/17/2006 |
| 7121716 | Mixing equipment sealing device A shaft sealing arrangement for sealing bores around a pair of stirrer shafts that emerge through a wall of an associated mixing vessel includes a pair of generally cylindrical shaft sealing assemblies designed to be carried on adjacent stirrer shafts, each gland as... | 10/17/2006 |
| 7117995 | Concrete reclamation apparatus An apparatus which is useful in the separation of solids from a diluted, wet, concrete mixture has (a) a free-standing first container with a drain port and a top opening, (b) a strainer disposed within the first container, (c) a drain port shut-off valve, (d) a sec... | 10/10/2006 |
| 7108418 | Bearing seal assembly for concrete auger mixer and method for using same An auger mixer for mixing a concrete mix includes an elongated mixer housing having a mixing chamber for mixing the concrete mix therein. A mixing auger is rotatably mounted within the mixing chamber. A bearing assembly mounts one end of the auger shaft to the mixer... | 09/19/2006 |
| 7070316 | Mortar mixing apparatus A mortar mixing apparatus for simplifying mortar mixing that can be used with a conventional wheelbarrow comprises a rigid planar safety shield having a top side and a bottom side. A mixer motor is connected to the safety shield top side. A mixing blade is rotatably... | 07/04/2006 |
| 6997600 | Intermittent agitation of particular matter Example embodiments of the present invention include systems and methods for intermittent agitation of particulate matter. In some embodiments, a mechanical agitator is intermittently activated within in a particulate-matter-delivery system. ... | 02/14/2006 |
| 6929395 | Methods and apparatus for reclaiming components of concrete and other slurries A reclamation system for the recycling of components of fluid concrete (such as concrete fines) and for concrete plant wastewater includes a slurry batch supply vessel which meters process water to a concrete batch mixing plant for use in concrete production process... | 08/16/2005 |
| 6920939 | Walk-behind electric cultivating machine A walk-behind electric cultivating machine has a body frame, an electric motor mounted on the body frame and having a motor shaft, and batteries mounted on the machine body frame for supplying electric power to the electric motor. Each of the batteries has a longitu... | 07/26/2005 |
| 6758590 | Efficient concrete recycling A concrete plant with robust recycling capabilities and high energy efficiency is disclosed. In one aspect, a concrete recycling machine used at the concrete plant includes at least a slurry vessel that receives slurry provided from concrete being returned, a motor ... | 07/06/2004 |
| 6565252 | Apparatus for automated finishing of interior surfaces An automated interior finishing apparatus has an upper section for mixing material, and a lower section for conveying the material. The upper section has a mixing compartment and a separate washing/storage compartment. Each compartment has a hinged lid th... | 05/20/2003 |
| 6412974 | Lime slurry mixing apparatus and method of use The present invention is a single-entity lime slurry reactor for production and delivery of lime slurry to remote jobsites. The reactor includes a tank body with an interior surface which forms a mixing chamber. The tank is coupled to a unitary frame and ... | 07/02/2002 |
| 6354726 | Method and device for mixing and conveying concrete The invention relates to a mixing and conveying device for mixing and subsequently conveying semifluid materials, in particular mortar and concrete. The device comprises a compressor for generating compressed air, and a mixing vessel connected to a convey... | 03/12/2002 |
| 6030112 | Slurry batcher mixer The slurry batcher mixer of the present invention includes a mixing vessel having a pair of vertical side plates with a trough supported along the length of the vessel between the side plates. A ribbon type screw conveyor is mounted in the trough and exte... | 02/29/2000 |
| 6012447 | Heated mixing kettle with dual acting agitators A heated kettle for melting and mixing a thermoplastic resin into a homogeneous mixture has a helically-formed agitator which rotates about a central shaft in close proximity to the internal wall of the kettle. Fixed to the shaft at approximately the cent... | 01/11/2000 |
| 6000836 | Portable mixer and mixing blade assembly A portable mixer for use for use with an open top mixing container for mixing concrete or the like as having a pair of inboard rotary mixing blades and a pair of outboard mixing blade assemblies mounted on a generally horizontal rotary shaft. The outboard... | 12/14/1999 |
| 5810470 | Device and method for mixing mortar with a specific ratio of sand, cement and water A mixing device (1) having at least two concentric tubular elements (2, 3) including an outer tubular element (2) and an inner tubular element (3) inside the outer tubular element, the outer tubular element and the inner tubular element each supplying a l... | 09/22/1998 |
| 5772318 | Portable hand-held concrete and mortar mixer A portable hand-held concrete, mortar and gypsum mixer comprises a small gasoline powered implement having a drive shaft extending generally downward from the handles to a gear box. A transverse shaft driven by the drive shaft extends to either side of th... | 06/30/1998 |
| 5718508 | Self-cleaning mixer for cement slurry A self-cleaning mixer includes a cylindrical housing and a feedscrew extending longitudinally through the housing for mixing water and cement and conveying the slurry through the housing. A chute at the infeed end of the housing receives a batch of materi... | 02/17/1998 |
| 5655780 | Mixer seal assembly with fast connect coupling A mixer seal assembly for a closable vessel having a dynamic mixer shaft seal in a bore in a vessel flange and a static seal for vessel transport formable by insertion of a disconnected lower portion of a fast connect coupling which is fast to install on ... | 08/12/1997 |
| 5609416 | Portable continual mixer A small batch mixer particularly suited for preparing small quantities of mixture blends dry powdered material with an aggregate and a liquid. The ingredients may be cement, sand, and water. The batch mixer has two screw augers. The first auger feeds dry ... | 03/11/1997 |
| 5580170 | Mixing and conditioning machine A mixing and conditioning machine for turning dust and very fine particles into pellets comprising an elongated, generally horizontal trough formed of flexible rubber-like material having a downwardly concave arcuate bottom wall and vertical side walls. A... | 12/03/1996 |
| 5470148 | Portable cement-mixing apparatus having upper and lower notched plates affixed to a shaft The apparatus for mixing cement includes a shaft connected to an engine for rotating the shaft. The shaft has mounted thereon a plurality of paddles for providing a pushing force and arranged so as to channel the flow of cement mix about the shaft to allo... | 11/28/1995 |
| 5470147 | Portable continual mixer A portable continual mixer blends dry powdered material with an aggregate and a liquid. The ingredients may be cement, sand, and water. The batch mixer has two screw augers. The first auger feeds dry mix into an elongated mixing chamber, and has its own e... | 11/28/1995 |
| 5443313 | Method for producing construction mixture for concrete A method of producing activated construction mixture composed of cement, sand, water and additive introduced at an end of mixing, the method includes the steps of mixing components in a mixer with a specific consumed power of 30-600 watt/kg of mixture, us... | 08/22/1995 |
| 5401098 | Portable hand-held concrete and mortar mixer A portable hand-held concrete, mortar and gypsum mixer comprises a small gasoline powered implement having a drive shaft extending generally downward from the handles to a gear box. A transverse shaft driven by the drive shaft extends to either side of th... | 03/28/1995 |
| 5393138 | Apparatus for mixing foundry mould substances In an apparatus for mixing foundry mould substances, in particular sand and binding agent, comprising a mixing tool which projects from a drive shaft and which is rotatable therewith in a container, fitment bodies (30) of small lateral extent (a, d) proje... | 02/28/1995 |
| 5375925 | Material blender mixer and method therefor A material blender mixer is mounted to a chassis of a vehicle. The mixer includes a first material holder bin mounted to the vehicle chassis, a second material holder bin mounted to the chassis positioned reawardly of the first material bin, a device for ... | 12/27/1994 |
| 5335990 | Concrete remix and transfer device A mobile concrete remix and transfer device includes an elongate open-topped surge bin, a remixing and transfer agitator rotatably mounted in the bin to move concrete toward one end, and an upwardly inclined discharge screw conveyor mounted in one end of ... | 08/09/1994 |
| 5259688 | Quick-disconnect couplings for three-piece rotors in continuous mixers for plastic materials Quick-disconnect couplings for three-piece rotors in a two-rotor continuous mixer for plastic materials enable a main rotor section (or "main rotor body") of each rotor to be uncoupled from a drive journal located at one end of the main rotor section and ... | 11/09/1993 |
| 5232279 | Apparatus for making insulating cellular concrete An apparatus for making insulating cellular concrete consists of one or multiple mixing tanks. The multiple tanks are connected in tandom to a common pressure fed pump (6) via a valved (8) manifold (10). These simplified apparati can be trailer mounted (1... | 08/03/1993 |
| 5161341 | Method for building walls with muddled clay, or stabilized earth, projecting machine adapted to its implementation, and wall thus obtained Process for manufacturing walls from earth and sand mortars includes making a mortar mixture containing a dry aggregate mass of between 15 and 50% by mass of earth and between 85% to 50% by mass of sand, bonding materials in a mass of at most 10% of the d... | 11/10/1992 |
| 5100239 | Method of manufacturing concrete Method for manufacturing concrete by mixing concrete materials including a cement, aggregate, admixture and at least one of water and ice. The aggregate is moved prior the mixing and a low-temperature liquid is sprayed on the aggregate for cooling while t... | 03/31/1992 |
