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7620481 Systems for self-balancing control of mixing and pumping  
Systems for controlling the in-feed and discharge rates of materials flowing into and out of a mixing process where one priority is to achieve a target mixture flow rate from the mixing process and...
7572048 Apparatus for highly controlled color distribution in mass produced concrete products  
An apparatus for highly controlled color composition and distribution within the face mix of semi-dry concrete mix paving stones is disclosed.
7567856 Methods for determining a volumetric ratio of a material to the total materials in a mixing vessel  
Methods are provided for determining an estimated volumetric ratio of a material to total materials in a mixing vessel. In various embodiments, the methods may comprise: summing a commanded input...
7561943 Methods for volumetrically controlling a mixing apparatus  
Methods of controlling a volumetric ratio of a material to total materials in a mixing vessel are provided. In various embodiments, the methods may comprise: estimating the volumetric ratio of the...
7464757 Method for continuously batch mixing a cement slurry  
A method for continuously batch mixing a homogenized cement slurry is provided that includes providing first and second mix tubs which each perform a process which include: receiving a measured...
7226203 Fluid mixing system  
A method for continuously mixing a borehole fluid such as cement includes using a measurement of the solid fraction of a cement slurry as it is being mixed to determine the ratio of the solid and...
7175333 Method for delivery of bulk cement to a job site  
A method for delivering a pre-weighed package comprising sand, aggregate and dry cement to a mixing site comprises the steps of preparing a first mixture comprising fine aggregate and coarse...
7050886 Chemical dispensing system for a portable concrete plant  
A computer controlled pumping and measuring system is used to dispense chemicals into a concrete mix. The redundant use of positive displacement pumps and flow meters ensure that any problems with...
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...
6923565 Process and equipment for producing concrete products having blended colors  
A process and equipment for producing multi-color concrete products, including architectural concrete blocks, concrete bricks, modular concrete products that are suitable for use in landscaping...
6832133 Method and plant for continuously producing a bituminous conglomerate  
A method of producing, in a continuous plant, a bituminous conglomerate containing aggregates and at least bitumen comprises the steps of drying the aggregates and mixing them with a measured...
6786629 Automated cement mixing system  
A method for continuously mixing a borehole fluid such as cement includes using a measurement of the solid fraction of a cement slurry as it is being mixed to determine the ratio of the solid and...
6676862 Method for forming lightweight concrete block  
A method and apparatus for efficiently forming individual building units is provided, generally includes providing a plurality of molds, each capable of simultaneously forming a plurality of...
6638344 Plenum pulsed filter vent  
A filter vent system and method for separating entrained airborne particulate matter from the conveying fluid is disclosed, particularly as it relates to filling a storage vessel. The filter system...
6591891 Method for making sand covered with bentonite, the sand, and a method for recycling molding sand for a mold using the sand covered by bentonite  
Given green sand is obtained by a mixing operation that is carried out for a short period of time. Discarded sand is supplied as supplementary sand to a sand processing line, so that molding sand...
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...
6546352 Method and apparatus for evaluation of aggregate particle shapes through multiple ratio analysis  
A method and apparatus for performing multiple ratio analysis of aggregate particles, wherein the method includes the steps of measuring a first maximum dimension of a particle, measuring a second...
6422731 Method for providing paste-like building material  
The invention relates to a method and a device for providing at construction sites paste-like building materials, especially mortar, being delivered in a fixedly pre-determined basic consistency. A...
6379031 Method for manufacturing concrete  
A method for selecting proportions of aggregate for incorporation into concrete comprises several steps. First, a maximum aggregate size for a specific application is determined. A sample of the...
6361199 Cement mixing apparatus and method  
Mixing machine for mixing cement components with water to provide a pumpable slurry, and a method for its use. The machine includes a mixing vessel having an inlet for water at an average flow rate...
6224250 Mobile cement additive and concrete admixture manufacturing process and system  
A mobile system and process for manufacturing cement additives and/or concrete admixture products comprises at least two tanks each containing a different raw material for manufacturing cement...
6183123 Fiber additive concrete manufacturing method  
A method of manufacturing concrete with a fiber additive and other ingredients including the steps of mechanically manipulating a shipping container (36) having a gross amount of fiber additive...
6120173 System and method for providing raw mix proportioning control in a cement plant with a gradient-based predictive controller  
A system and method for providing raw mix proportioning control in a cement plant with a gradient-based predictive controller. A raw mix proportioning controller determines the correct mix and...
6120172 System and method for providing raw mix proportioning control in a cement plant  
A system and method for providing raw mix proportioning control in a cement plant. A raw mix proportioning controller determines the correct mix and composition of raw materials to be transported...
6036353 Method of controlling a mobile pugmill having a weight metering control system  
A portable chassis-mounted continuous flow, blending and mixing plant utilizing a Programmable Logic Controller and belt scales to continuously meter and adjust the flow of aggregate as well as...
6033102 Method and system for controlling mixing of raw materials for cement  
A method and a system for controlling the mixing of raw materials for cement. Component contents of a sample material is obtained at an exit side of a mill system to obtain measured modulus values...
5988864 Process for producing aggregate from waste  
The described process utilizes the ash from a trash-to-steam plant and a cementitous binder along with the hot output of an earth purification process and a strictly defined quantity of water in...
5895116 Mobile admixture product manufacturing and delivery process and system  
A mobile system and process for manufacturing and delivering concrete admixture finished products comprises: providing in separate transport tanks mounted on a vehicular frame at least two raw...
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...
5795060 Method and apparatus for continuous production of colloidally-mixed cement slurries and foamed cement grouts  
An apparatus for high capacity production of high-fluidity, colloidally mixed cement slurry. Water and cement dust are combined at metered rates by a premixing assembly which discharges into a...
5713663 Method and apparatus for mixing concrete in a concrete mixing device to a specified slump  
A method and apparatus for mixing concrete in a concrete delivery mixing truck is provided which can yield a mix with an approximate required slump. This is achieved by monitoring the torque...
5607231 Method for operating an asphalt plant for both continuous and batch operation  
A combination continuous/batch asphalt plant includes mechanisms and controls which permit it to be hot-stopped when operating in the continuous mode.
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...
5452213 Process and apparatus for preparing mixture comprising granular materials such as sand, powder such as cement and liquid  
When obtaining a mixture such as a mortar or a concrete by adding powder such as cement, water and other liquid to granular materials such as sand, granular slug, artificial fine aggregate, and the...
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...
5385401 Process for adding recycled tire particle to asphalt  
A method of incorporating used automobile tire scrap into asphalt uses a step of saturating rubber particles with an aromatic oil. The rubber particle containing oil does not absorb additional oils...
5320424 Apparatus for delivering a rapidly setting composition  
This invention relates to apparatus for producing and delivering a rapidly setting composition and method of delivering a rapid setting cementitious grout. The rapidly setting composition comprises...
5265247 Laboratory data storage and retrieval system and method  
A method for maintaining in a computer memory laboratory test records for a plurality of projects, particularly adapted to projects for cementing oil or gas wells, are disclosed. Records of data...
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...
5149192 System for mixing cementitious construction materials  
A system which includes method and apparatus for the delivery of cementitious materials to a construction site using a transportable machine, a truck with an extensible crane, a containment frame,...
5145250 Process for the preparation of bone cement  
A process for the preparation of bone cement for subsequent introduction into the cavity of a bone serving to receive a prosthesis. The components serving for the production of the bone cement are...
5118197 Process for mixing two liquids  
An apparatus and a process for mixing water from a pressurized source and an additive or admixture for a cementitious composition in a mixing chamber comprising introducing, in the form of a jet,...
5102228 Apparatus and method for producing foamed materials  
An apparatus and method for controlling the production of foamed material in which the material and foam are delivered to a mixer (12) in predetermined relative proportions. The apparatus comprises...
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...
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...
4997284 Concrete and mortar distribution process and apparatus  
Process and apparatus are provided to distribute specified, premixed quantities of dry mortar mix and cement to a construction site. Bulk bags and a hopper apparatus are transported to the...
4963031 Cement slurry batcher apparatus and process  
A novel process and apparatus for discharging, on a batch basis, cement and water as a slurry or in the form of separate discharges of slurry and cement, where the materials so discharged contain a...
4956821 Silo and delivery system for premixed dry mortar blends to batch mixers  
An improved silo and delivery system for efficiently handling dry mortar-blend compositions at construction sites is disclosed. Mortar-blend compositions are premixed to desired specifications and...
4940335 Method and apparatus for adding predetermined quantity of material to a reactor  
A system for adding a predetermined volume of particulate material to a reactor which includes an inclined track mounted on the reactor such that a lower end of the track terminates adjacent an...
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...
Matches 1 - 50 out of 93 1 2 >