Class 366/59 - Helical

Subclass of Class 366 - Agitating
Definition: Subject matter wherein the deflector has a helical configuration.
No. of patents: 35
Last issue date: 04/24/2012

Number	Title	Issue Date
8162529	Mixing drum A rotary concrete mixing drum (16) includes an interior surface (74) at least partially provided by a polymer (90) impregnated with a slip agent. ...	04/24/2012
8070349	Mixing drum A concrete mixing drum includes a wall having a first section (41) and a second section (43). The first section (41) extends in a spiral along an axial centerline (31) of the drum. The second section (43) extends in a spiral along ...	12/06/2011
7802914	Mixing drum blade support A heavy duty rotary concrete mixing drum (16) for coupling to a vehicle (10) having a powered drivetrain (18) for rotating the drum comprises a wall and at least one projection (32). The wall (33) includes an inner surface (34	09/28/2010
7510319	Mixing apparatus for concrete A truck mounted concrete mixer includes a mixing drum (1) rotatable about longitudinal axis (2) having a drum head (3) and an open end (4) to receive batch materials to be mixed. A pair of generally helical mixing blades (5) are di...	03/31/2009
6957908	Environmental shield for a truck mounted concrete mixer An environmental shield for reducing or eliminating leakage of materials from transit vehicles, including truck-mounted concrete mixers, is provided. The environmental shield preferably engages at least a portion of an opening on a mixer drum such that the leakage t...	10/25/2005
6893150	System for preventing the accumulation of concrete from a flight in a concrete mixing drum A system for removing concrete from a helical flight extending along the interior surface of a concrete mixing drum that includes an expandable conduit configured to move between an unexpanded position and an expanded position to dislodge concrete accumulated thereo...	05/17/2005
6397492	Apparatus and method for processing municipal solid waste The present invention relates to an apparatus and method for separating and processing solid waste, often but not necessarily from municipalities (and so will be generically referred to herein as municipal solid waste or "MSW"), into useful products, and ...	06/04/2002
6149291	Concrete mixing drum fin structure A rotatable drum mixer of the type suitable for mounting in a mobile system for mixing and dispensing concrete is disclosed that includes a single full-length main helical mixing fin upstanding from the interior of the mixer, an auxiliary agitating fin in...	11/21/2000
5884998	Front discharge transit mixer The present invention defines a transit mixer for the delivery of materials to a job site. The transit mixer has a charge hopper for receiving material therein and delivering the material to the mixing drum which forms a portion of the transit mixer. The ...	03/23/1999
5839824	Concrete mixer A concrete mixer including a mixing shell and a void located therein for receiving material to form concrete. The concrete mixing mechanism having a first blade mechanism spatially orientated to have a pitch capable of moving at least a portion of the mat...	11/24/1998
5683177	Cylindrical high-capacity transport mixer for bulk material and liquids A transporter-mixer for bulk-material/liquid mixtures has a cylindrical transport container mounted on a support frame with its longitudinal axis approximately horizontal and a controllable container-drive unit whose direction is reversible as a function ...	11/04/1997
5667298	Portable concrete mixer with weigh/surge systems An improved concrete mixing plant is mounted on several mobile chassis to provide portability. The plant includes a horizontally oriented, internally urethane coated mixing drum having spiral and lift flights such that the rate of discharging concrete mat...	09/16/1997
5540391	Method for treating process material such as waste material A method for treating process material can include introducing process material into two different vessels, raising the temperature within one of the vessels through the introduction of steam to heat the material in the vessel, and reducing the temperatur...	07/30/1996
5513911	Vehicle mixer In a mixing drum (16) of a vehicle mixer is supported a coaxial pipe (24) which together with a closure element (36) and a feeding hopper (42) forms a constructional unit. The pipe (24) is supported by two bearings of the mixing drum (16) so as to be rela...	05/07/1996
5427449	Concrete mixing drum fin structure An assembly which is adapted for mounting inside a mixing drum (18) and a mobile system for mixing and dispensing concrete includes a spiral fin assembly (36) for mixing and guiding a substance when the mixing drum (18) is rotated. The fin assembly (36) i...	06/27/1995
5403086	Mixing device A mixing device such as a concrete mixer is provided in the form of a hollow cylindrical drum with an opening at one end. A lid is engageable with the drum to close the opening. At least one and preferably two baffles are provided within the drum and thes...	04/04/1995
5378061	Concrete mixing drum fin structure An assembly which is adapted for mounting inside a mixing drum (18) and a mobile system for mixing and dispensing concrete includes a spiral fin assembly (36) for mixing and guiding a substance when the mixing drum (18) is rotated. The fin assembly (36) i...	01/03/1995
5248485	Method for mixing liquid, solids and gas and for simultaneously separating gas or gas and solids from the liquid The invention relates to a method for maintaining a continuous mixing extending throughout the transversal section of the reactor space in a liquid containing solids and gas, and for simultaneously separating gas or gas and solids from the liquid. The inv...	09/28/1993
5178457	Mixer fin A mixer fin such as those fixedly mounted within rotatable drum mixers. More specifically, a mixer fin comprising of a substantially non-metallic, e.g., polymeric, mixer fin such as those used within rotatable drum mixers, for example to mix concrete. The...	01/12/1993
5064292	Method and apparatus for preparing and using a cement slurry This invention relates to a method of preparing, transporting, disposing and distributing a load of cement slurry, especially for highway and similar construction work. This method is particularly adapted to be used to reconstruct old road beds, which alr...	11/12/1991
5056924	System for mixing and dispensing concrete An assembly which is adapted for mounting inside a mixing drum and a mobile system for mixing and dispensing concrete includes fin structure for mixing and guiding a substance when the mixing drum is rotated. The fin structure is constructed of a lightwei...	10/15/1991
5039226	Portable concrete mixer A trailer for transporting and mixing concrete or similar products, comprising a wheeled frame and a mixing drum mounted to the wheeled frame for rotation in a first direction for mixing concrete and in a second direction for discharging concrete from the...	08/13/1991
4940334	Reverse flow mixing method for direct-fired asphaltic concrete drum mixers A reverse flow post-mixer attachment for direct-fixed asphaltic concrete mixers includes a modified discharge box for the downstream end of the drum and an enclosure for the downstream portion of the drum forming a passage along the exterior of the drum. ...	07/10/1990
4846580	Large scale concrete conveyance techniques The disclosure describes a method and apparatus for continuous mixing, transporting and placing of large quantities of concrete in which aggregate transported on a belt conveyor is mixed with metered quantities of cement and water adjacent a place of pour...	07/11/1989
4813784	Reverse flow post-mixer attachment and method for direct-fired asphaltic concrete drum mixers A reverse flow post-mixer attachment for direct-fixed asphaltic concrete mixers includes a modified discharge box for the downstream end of the drum and an enclosure for the downstream portion of the drum forming a passage along the exterior of the drum. ...	03/21/1989
4792234	Portable concrete batch plant The invention comprises a mobile concrete batch plant transportable by highway as a single unit. A cement storage hopper, a cement weigh hopper, and an aggregate weigh hopper are mounted on a standard trailer bed. The cement hopper is loaded to the desire...	12/20/1988
4730934	Mobile mixer, preferably having counterrotational emptying, for building materials, in particular concrete In a mobile mixer, preferably having counterrotational emptying, for building materials, in particular concrete, in a mixing drum (1) which, on its inner wall (9), has one or more flat elevators (11, 12) following a helix and extending from the closed dru...	03/15/1988
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
4506983	Bulk material storage and mixing apparatus A portable dry bulk material storage and mixing unit comprising a generally cylindrical drum mounted on a frame for rotation about a generally horizontal axis and having a conical discharge nozzle with a cylindrical discharge opening at one end thereof. T...	03/26/1985
4487507	Portable waste processing unit A processing apparatus for sludge and liquid waste comprising a wheeled vehicle having a frame, a drum type mixer mounted for rotation on said frame, motive power means including a hydraulic pump, a hydraulic motor for rotating said drum type mixer mounte...	12/11/1984
4478514	Vibrating concrete mixer A concrete mixer having a drum, which contains mixing elements, and at least one vibrator for imparting vibrational energy to the material which is to be mixed. The vibrator is drivable by means of the water used to make up the concrete. The water may be ...	10/23/1984
4318621	Transit concrete mixer with displaceable charging hopper A transit concrete mixer is provided having a displaceable charging hopper which may be moved between a charging position wherein a discharge conduit thereof projects into the interior of the mixer drum and a relatively displaced position where the discha...	03/09/1982
4154534	Transit concrete mixer adapted for loading and discharging aggregates of a wide range of slump value A transit concrete mixer includes a drum which is mounted for discharge either forwardly or reversely of the vehicle and has two sets of flights for two-stage concrete loading and discharging. One set of flights is particularly useful for carrying the agg...	05/15/1979
4097925	Process and apparatus for mixing and transporting cement By a combination of a slump indicator calibrated for each of the several particular trucks in a system of concrete mixer transport trucks and a particularly readily locatable dynamically balanced emergency power unit, the contents of the drum or mixer of ...	06/27/1978

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Class 366/59 - Helical