Abstract: A rotary composter having a fuselage member where a drive system is configured to rotate the fuselage member where the end caps are substantially stationary and do not rotate and the fuselage member has a plurality of longitudinally extending slats contained therein.

Abstract: A manual cement mixer having a mixing box with an open top, generally planar front side and rear side panels, and arcuate, parabolically curved, right and left sides forming left and right arcuate troughs, and a medial trough disposed therebetween, the troughs defining a mixing volume; a base frame for supporting said mixing box; and pivoting means for mounting said mixing box on said base frame and for manually inducing oscillations in said mixing box.

Abstract: The present invention relates to a building material mixer having a mixer drum which can be rotationally driven by a mixer drive, with the mixer drum being rotatably supported by the mixer drive at a mixer frame part, in particular a traveling gear frame part, at one of its end face ends and with the mixer drive having a drive part, in particular a hydraulic motor, and a drive transmission connected to the mixer drum. In accordance with the invention, the building material mixer is characterized in that the mixer drive is movably supported by movable bearing means at the mixer frame part allowing tilting movements; and in that the mixer drum is fastened to the transmission housing of the drive transmission.

Abstract: A system for monitoring plant equipment is provided. Another aspect provides an automated analysis system wherein software instructions operably compare sensor data to predefined valves and determine mechanical problems in multiple machines. In another aspect, a cement manufacturing system includes sensors for sensing movement conditions of cement making machines. A further aspect provides a central computer connected to vibration sensors associated with cement making machines, where software instructions perform real-time comparisons and machine performance determinations, based at least in part on sensed signals.

Abstract: A silicone composition comprising an organopolysiloxane containing at least two silicon-bonded alkenyl and/or hydroxyl groups in the molecule and a filler having a BET surface area of at least 10 m2/g is prepared by kneading the components in a batchwise high-shear mixer. The mixer includes a rotatable mixing pan (1), a high-speed rotation agitator (3) disposed eccentrically in the pan, and a stationary scraper (4) disposed in the pan for creating a vertical counterflow.

Abstract: A concrete mixing includes a barrel having an interior surface and an exterior surface. A blade extends from the interior surface for mixing concrete and a ring is positioned about the exterior surface of the barrel for rotation of the barrel. An expandable joint is provided under compression between the ring and the exterior surface of the barrel to accommodate different thermal coefficients of expansion between the barrel and the ring.

Abstract: A material mixing chamber inserted into the bucket of an existing loader or backhoe, which provides the power source for the up and down motion creating gravity flow in the chamber. In said chamber a plurality of unique diffusers are affixed in a symmetrical staggered pattern on the chamber floor in a manner to deflect and blend the materials as they move by gravity. When said materials are thoroughly mixed, the bucket is tilted forward and the materials, moving by gravity, are guided by the funnel shaped section through an opening regulated by a sliding discharge door for precise placement.

Abstract: A frac blender mounted on a transport vehicle and adapted for movement along a vertical, linear path between a raised stowed position and a lowered operating position. The frac blender is moved between positions by a drive system that is slip connected to the frac blender for minimizing binding stress. The frac blender is supported by a support member that is slip connected to the transport vehicle via a support frame for minimizing bending stress.

Abstract: A lithographic projection apparatus is disclosed in which a space between the projection system and a sensor is filled with a liquid.

Abstract: A lithographic apparatus includes an illumination system for providing a projection beam of radiation, a support structure for supporting patterning structure for imparting a pattern to the projection beam, a substrate table for holding a wafer and a projection system for projecting the patterned beam onto a target portion of the wafer. In order to permit control of the radiation dose at the wafer so that the throughput of wafers can be optimised, a variable attenuator is provided to vary the intensity of the projection beam while not changing the position of the beam.

Abstract: A portable mixer comprising a frame assembly. Wheels are operatively mounted on the frame assembly. A deck assembly is pivotally mounted on the frame assembly for tilting forwardly and rearwardly. A mixing bag is suspended from the frame assembly.

Abstract: A flexible mixing mat comprising a geometrically-shaped planar substrate having four corner areas which have been removed and replaced with four expandable corners coupled to the four corner areas, respectively. Each expandable corner, a pleated flexible member, expands greater than that area having been removed. Further included are handles formed in or connected to each expandable corner. A method of using the flexible mixing mat to mix ingredients such as ingredients for creating cement is provided.

Abstract: A support system for supporting a frac blender or other heavy load on a transport vehicle includes a support frame having vertically extending slides for a lift platform whereby the load may be moved between a stowed position and an operating position along a vertical, linear path within the limits of the support frame.

Abstract: 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 the chemical dispensing are immediately caught. The computerized control system may be operable to control exact batch configurations of concrete and aggregate in conjunction with the chemical dispensing, as well as provide precise mixture control and recording of the various components.

Abstract: The invention relates to a transportable concrete mixing plant (10) which comprises a plurality or releasably interconnected mixing plant components. Said mixing plant components are contained in a plurality of containers (C1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13), during transport. At least part of said containers (C1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13), preferably all of said containers, are standard ship containers or can be assembled to standard ship containers. Said standard ship containers meet the international standards for uniform transport. In the operational state of the mixing plant (10), said containers represent the support structure for mixing plant components and/or containers for concrete starting materials.

Abstract: Apparatus and a method for mixing a liquid within a disposable aspirating probe tip so that most of the liquid is forced to move past a transition zone between two different inside diameters to cause rotational mixing. The apparatus and method can be used to provide agglutination of blood, which in turn can be used for blood typing. The probe tip can comprise a single integral piece, or two separate portions. The transition zone can comprise a sharp demarcation between inside diameters, or a smooth one.

Abstract: A portable concrete plant that can be transported on a single vehicle to a construction site consists of a transporting vehicle, a rotating drum for mixing the concrete, containers for sand and crushed rock, a scale for weighing a mixture of sand and crushed rock, a conveyor for conveying the mixture of sand and crushed rock to the rotating drum, a container for portland cement, a conveyor for conveying the portland cement to the rotating drum, a source of water, and a concrete pump for dispensing the concrete from the rotating drum. A fly ash container and a second scale for weighing fly ash may also be on the vehicle. The entire apparatus may be controlled by a computer which controls the various containers and scales so as to vary the proportions of sand, crushed rock, fly ash, portland cement, and water in the rotating drum to produce concrete of varying strength. The entire apparatus has dimensions which meet the length, width and height requirements for vehicles moving on the highways.

Abstract: A lifting apparatus includes a load support device for engaging and supporting a load as the load support device and the load are moved between a lowered position and a raised position relative to a base. A pair of spaced lifting arms are connected at first pivotal connections to the base and at second pivotal connections to the load support device for moving the load support device between its lowered and raised positions. A stabilizer arm is connected at a third pivotal connection to the load support device, and at a fourth pivotal connection to the base, for controlling a rotational orientation of the load support device about an axis of the second pivotal connection relative to the base. A sprocket is rigidly attached to each of the lifting arms substantially coaxial with the first pivotal connection, and a chain is operably engaged with each sprocket.

Abstract: A method according to the invention involves continuously moving a mix within a closed vessel having loading and discharge pipes at the ends thereof. The mix is subjected to oscillations during movement by means of a source of oscillations. A gate is provided in the vessel upstream the discharge pipe for contolling the cross-sectional area of the flow path of the vessel and for defining a sealed zone in the vessel with the mix being processed. During movement, the mix is heated to 100.degree. C. and above by passing electric current therein by means of an electrode installed in the vessel. Vapor is thus formed which penetrates the whole body of the mix so as to carry out uniform and rapid heating of all components of the mix.

Abstract: A self-leveling mixer apparatus includes a base and a generally downwardly tapered movable mixing tub supported from the base in a manner such that the tub is movable between first and second positions relative to the base. A leveling valve is provided for controlling a level of fluid in the movable mixing tub. A connector linkage is operably associated with the mixing tub and the leveling valve for adjusting the leveling valve in response to movement of the mixing tube relative to the base. A rotating mechanical agitator is disposed within the tub for inducing a generally vortex type of fluid flow pattern within the generally downward tapered tub.

Abstract: A concrete mixer in this invention comprises an elastomeric lug belt carried by a first set of roller drums at least one of which is driven, the lug belt having a plurality of spaced elastomeric lugs thereon, and an elastomeric base belt carried by a second set of roller drums and depending between two of these roller drums to form a part-loop portion, at least one of the base belt roller drums also being driven to drive the lug belt past the base belt in a mixing zone in the part-loop portion, such that the base belt moves in the opposite direction from the direction of movement of the lug belt.

Abstract: A plaster spraying and concrete mixing machine comprised of a frame chassis, a rotatable top loading horizontally axis mounted drum type mixing tank with a center mounted rotatable mixing shaft and mixing paddles therein, and a gravity fed Moineau type progressive cavity pump mounted to the bottom of the mixing tank for pivoting therewith. A primary power source and driving mechanisms provide for turning of an air compressor, the mixing paddles, and the Moineau pump which enable the machine to mix and spray plasters and other cementitious materials. The embodiment of a selectively rotatable mixing tank provides that the machine can also mix and conveniently fully discharge batches of concrete or mortar. The pump is mounted directly to the bottom of the tank with the drive arrangement permitting the pump to pivot with the mixing tank between its mixing and dumping positions.

Abstract: A continuous mixer includes a hopper for depositing sand on a conveyor belt, an adjustable striker for controlling the quantity of sand, a bentonite bin and a rotary feeder for controlling the quantity of bentonite deposited on the conveyor belt and a plurality of mixing units through which the conveyor passes each with a pair of rotating paddle wheels for lifting the sand and bentonite off the belt and vigorously mixing it in a chamber. A spray manifold and moisture supply and regulating means are provided for adding moisture to the mixture at a predetermined rate.