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| Number | Title | Issue Date |
| 7229204 | Portable mixing apparatus A portable mixing apparatus that employs disposable 5-gallon plastic buckets as containers for mixing mortar, grout, plaster and other materials. First and second motor-driven rollers support the buckets at a downwardly sloped angle. A separate mixing basket is plac... | 06/12/2007 |
| 6913215 | Method and apparatus for tumbling concrete products A tumbler for tumbling concrete products comprises a rotatable cylindrical drum having an input end that is slightly elevated relative to an output end. Tire retread strips are placed side-by-side on the radially inner surface of the drum and extend along its length... | 07/05/2005 |
| 5847294 | Apparatus for determining powder flowability Apparatus for determining flowability of a powder by sensing powder avalanching includes a sample drum having a generally cylindrical sample chamber for holding a powder sample, a support frame including a drum shaft for supporting the sample drum for rot... | 12/08/1998 |
| 5538195 | Device for granulating and coating and baffle device for same The present invention relates to a granulating and coating technique, and more particularly to a technique wherein powder and granules are contained in a drum rotating about a substantially horizontal axis and the rotary drum is rotated for granulation of... | 07/23/1996 |
| 5240324 | Continuous flow system for mixing and processing bulk ingredients A system for combining, mixing, and further processing ingredients to produce a specified weight of a composition in accordance with a specified recipe. The ingredients are discharged from hoppers into a central conveyor. Each hopper operates under contro... | 08/31/1993 |
| 4919538 | Drum mixer having a combined mixing and heating zone A combustion housing for surrounding a burner flame is provided at an intermediate location within a drum mixer. An annulus is formed by the combustion housing and the interior of the drum adjacent thereto. Hot virgin aggregate is mixed with cold recycle ... | 04/24/1990 |
| 4900154 | Concrete mixer having means for determining the consistency of concrete mixing therein A concrete mixer is disclosed having a mixing drum and a drag body is mounted in the drum which has a drag surface positioned to at least partially come into contact with concrete in the drum during a measuring phase in the concrete mixing operation. A hy... | 02/13/1990 |
| 4878759 | Turbine mixer A concrete mixer comprising a main frame, a large bearing ring carried by the main frame, the ring supporting an outer barrel carrier for rotation, an inner rotary barrel of elastomeric material supported for rotation by said barrel carrier, the barrel ca... | 11/07/1989 |
| 4655602 | Turbine mixer A mixer having a rotary drum which comprises a flexible member, an inner rotor with outstanding blades thereon, the flexible member, the inner rotor, and its blades all being of elastomeric material, the inner diameter of the flexible member being greater... | 04/07/1987 |
| 4585355 | Concrete mixer truck The invention relates to a concrete mixer truck having a rotatably driven mixer drum, particularly a drum provided with interior mixing elements, and a hydraulic system as a drive source for the mixing process. It is intended to enhance the effect of the mixin... | 04/29/1986 |
| 4522499 | Concrete mixer The invention relates to a concrete mixer, particularly to a truck-mounted concrete mixer, comprising a drum and an actuatable additional mixer tool projecting into the drum from the bottom thereof substantially in the direction of the drum axis. A rotata... | 06/11/1985 |
| 4492478 | Method and apparatus for applying mortar or concrete One of ingredients of green concrete are supplied to a rotary disc through a central tube by a pump or low pressure air and the other ingredient is supplied to the rotary disc from a hopper by a screw conveyor. These ingredients are mixed together on a ro... | 01/08/1985 |
| 4490045 | Concrete mixer The invention relates to a concrete mixer, in particular a free-fall mixer, in which the components of the concrete, in particular initially without water, can be intermixed by mixing elements by means of the rotation of a drum, wherein a vibrator is prov... | 12/25/1984 |
| 4436432 | Kneading machine In a kneading machine including a fixed support structure, a kneading trough supported centrally for rotation about a vertical axis by the fixed support structure, and a rotary kneading tool located within the kneading trough, the kneading tool is rotatab... | 03/13/1984 |
| 4357109 | Mixer A mixer for concrete or other materials has a bowl rotatably mounted on a frame provided with handles and with support means, which, by moving the frame to one position, will hold the bowl in a charging and mixing position supported clear of the ground, i... | 11/02/1982 |
| 4277180 | Method and apparatus for making bituminous mixtures A bituminous mixture of aggregate and a bituminous binder, especially for road construction or repair is prepared by mixing a batch of still moist aggregate with the bituminous binder in a pressurized mixing container. The gauge pressure in the mixing con... | 07/07/1981 |
| 4148588 | Forced kneading mixer A forced kneading concrete mixer including a or a plurality of mixing members such as paddles or blades disposed at fixed positions within a rotating pan or cylindrical vessel. The mixing member is carried by a support which is movably mounted on a statio... | 04/10/1979 |
| 4113238 | Drum mixer Rotary mixing apparatus particularly suitable for treatment of foundry sand having a drum mounted for rotation about an axis which is horizontal, or at least approximately horizontal, operates to treat bulk material such as foundry sand which is placed wi... | 09/12/1978 |
| 4107789 | Method and apparatus for uniformly pneumatically dispersing material The invention employs high volume air to form a cloud of coating material or material to be uniformly dispersed and conveys it to a plenum or common area of the receiving material which is coated. A mixer creates turbulence in the receiving material to tu... | 08/15/1978 |
