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| Number | Title | Issue Date |
| 7784996 | Mortar mixing apparatus A mortar mixing apparatus includes a screw conveyor disposed below the bottom of a mixing container in which a selectively operable agitator is located. An elongate opening in the bottom of the mixing container is open into the housing of the screw conveyor so that ... | 08/31/2010 |
| 7736048 | Segmented auger for a concrete dispensing apparatus A segmented auger mechanism is mounted in the hopper of a concrete dispensing apparatus used to distribute a hydrated concrete mixture into a horizontally disposed form to manufacture pre-cast concrete structures, such as concrete wall panels used to form a foundati... | 06/15/2010 |
| 7611275 | Portable cement mixing and dispensing assembly A portable assembly for mixing water with cement powder and dispensing produced paste into a predetermined area, comprising a removable mixer assembly including an elongated mixing shaft, means for generating and transmitting a rotational motion to the mixer assembl... | 11/03/2009 |
| 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 |
| 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 |
| 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 |
| 6971783 | Recycled material and mixing machinery Site-won spoil from an excavation which is a predominantly non-granular cohesive material can be converted into a material suitable for immediate use as a backfill material by a process of mechanically mixing the spoil with between 0 and 30% by weight or volume of a... | 12/06/2005 |
| 6666573 | Portable mixing/delivery apparatus for pre-blended granular mixtures A portable mixing/delivery apparatus mixes dry pre-blended materials, such as homogeneous cementitious combinations of dry sand, cement, Lime, color pigments, etc., packaged in large bulk bags for use at a remote construction site. The bulk bag is lifted ... | 12/23/2003 |
| 6193403 | Bucket mixer attachment for skid steer vehicle A mixer for particulate materials, such as soil, dirt, sand, concrete, lime, fertilizers, aggregate, and water, hitched to a skid steer motor vehicle has a bucket for accommodating the particulate materials. A pair of augers having opposite spiral flights... | 02/27/2001 |
| 6123445 | Dual stage continuous mixing apparatus A mixer for dry powder, very fine or granular materials and a liquid, e.g., mortar or cement and water, includes a dynamic input mixing stage, a static output mixing stage and a transition tube connecting the two stages in a manner which isolates the two ... | 09/26/2000 |
| 6007233 | Mobile concrete mixing and delivery system There is disclosed a mobile apparatus for mixing and dispensing mixtures from an ingredients container including a hopper with a channel-shaped floor portion containing a screw auger. A cover over the screw auger may be raised so that a gap between the co... | 12/28/1999 |
| 5893639 | Apparatus for producing and simulataneously distributing cement mixes and the like Apparatus for distributing and producing cement mixes, substantially concrete, using an endless conveyor belt movable at the base of separate containers which contain the inert materials and the cement, and a reservoir for the mixing water, to form propor... | 04/13/1999 |
| 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 |
| 5785419 | Lightweight building material and method of construction of cast-in-place structures In a first aspect, a lightweight building material for use in above grade construction comprising cement, fly ash, cellulose fiber, and water. In cured form, the material has the appearance and strength of standard concrete, but is lighter in weight and h... | 07/28/1998 |
| 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 |
| 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 |
| 5709467 | Device and apparatus for mixing alginate A device for and a method of mixing and dispensing alginate is disclosed. The invention entails a pouch having a sealable aperture through which alginate and water may be added. The pouch also has an sealable spout. The function of these two openings may ... | 01/20/1998 |
| 5486047 | Mixing auger for concrete trucks A mixing auger apparatus for an on-site mobile concrete mixer is disclosed wherein the mixing auger apparatus is capable of effective operation while oriented at an angle of inclination greater than 22° to the horizontal. The mixing auger apparatus is pr... | 01/23/1996 |
| 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 |
| 5354127 | Segmented mixing auger An auger conveyor assembly including a helical auger infeed section having interrupted auger flights which communicate with an offset, commonly driven outfeed section including a helical ribbon auger and whereat both augers simultaneously blend the mixtur... | 10/11/1994 |
| 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 |
| 5273211 | Trailer device for mixing and spreading sand and peat The invention comprises a mobile trailer having a frame with a set of wheels on the frame for hauling the trailer and a pair of storage bins on the frame in side by side spaced relation with one bin adapted to a receive peat with a mixing blade to mix the... | 12/28/1993 |
| 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 |
| 5012975 | Apparatus and method for mixing and spraying a slurry An apparatus for mixing and spraying a slurry. The apparatus comprises a mixing chamber and a screw means, disposed within the chamber, for mixing and transporting material downstream to an air atomization nozzle. Another aspect of this invention is a met... | 05/07/1991 |
| 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 allowing the shotcrete gun to be shifted in the horizonta... | 10/23/1990 |
| 4955721 | Apparatus for applying a sulphur-based structural material to paved surfaces A portable apparatus adapted for use in filling chuck holes in paved surfaces with a sulphur-based material that has been heated to a plasticized condition. The apparatus includes an electrically heated furnace in which an auger is mounted for the purpose... | 09/11/1990 |
| 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 |
| 4907890 | Portable-concrete mixing device and method for using same The portable continuous mixing device of the present invention comprises a first upper frame adapted to drop the dry concrete ingerdients into the upper end of a hopper. The ingredients drop out of the lower end of the hopper onto a second conveyor which ... | 03/13/1990 |
| 4896968 | 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 screws extending across the diameter of the bin at the conver... | 01/30/1990 |
| 4892410 | Method and apparatus for protective encapsulation of structural members The method and apparatus for forming an encapsulation or encasement about a structural member that is particularly well suited for use in a marine environment is disclosed. A two component polymer system for protective and repair encapsulation is pumpable... | 01/09/1990 |
| 4783171 | Loading conveyor for concrete mixer A loading conveyor for a mobile concrete mixing machine is disclosed wherein the conveyor is provided with a receiving hopper for receiving a supply of material from an external source of supply. The chain and slat conveyor is provided with an elevating p... | 11/08/1988 |
| 4781466 | Method and apparatus for producing concrete A method and apparatus for continuously producing concrete at a job site is disclosed wherein the machine is provided with separate aggregate supply bins and a cement supply bin which are arranged in a generally linear fashion on a mobile frame and sized ... | 11/01/1988 |
| 4768884 | Cement mixer for fast setting materials A cement mixer includes receptacles for the aggregate, cement, water and additive which are mixed together to form a concrete mixture. A conveyor extends from an aggregate bin to a cross auger beneath a cement bin. A plurality of mixing augers extends alo... | 09/06/1988 |
| 4761076 | Mixer There is provided a mixer especially suitable for small batches of cementitious product comprising a receptacle and means for mounting a motor drivable paddle arrangement within the receptacle in such a manner that the paddle, while operating, can be move... | 08/02/1988 |
| 4710112 | Auger construction for machines for forming hollow core concrete slabs An auger assembly is provided which includes a core, the surface of which increases in diameter from the upstream end towards the downstream end. The auger flighting upon the core, however, maintains a constant diameter from the upstream end towards the d... | 12/01/1987 |
| 4624575 | Cement mobile mixer A cement mobile mixer for mixing concrete from sand, aggregate, cement and water.... | 11/25/1986 |
| 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 wet or dry form to a remote worksite. The apparatus of th... | 10/21/1986 |
| 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 usual methods does not use as a raw material a dry mixture o... | 04/29/1986 |
| 4579459 | Mixing auger mounting and storage arrangement In a concrete production system, an improved aggregates conveying apparatus includes an aggregates drag conveyor having a lower, conveying run which drags aggregates along a centrally-located, common trough shared by separate fine and coarse aggregates ho... | 04/01/1986 |
| 4551024 | Mixing apparatus for cementitious materials An apparatus for mixing a cementitious material, such as those quick-setting cementitious materials utilizing a volatile liquid, has a solid frame as the top of a mixing chamber. An inlet end of the solid frame is pivotably mounted on a vehicle. An auger ... | 11/05/1985 |
