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Patent No. 6049912

Mountable Printable Placard With Headband

A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.

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Class 366/66 - Plural stirrers


Subclass of Class 366 - Agitating
Definition: Subject matter having more than one stirrer.
No. of patents: 53
Last issue date: 04/08/2008


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NumberTitleIssue Date
7354191Mortar mixer and trunnion assembly
A mortar mixer includes a substantially cylindrical drum having end plates supporting trunnion assemblies, with housings, having an interior space defined by an interior surface around the paddle shaft. A first seal is located adjacent the end plate and is positione...
04/08/2008
7320539Concrete 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
7217029Mixer with lump breaker having multiple axes of rotation
A mixer is provided comprising: a casing (20) having symmetry of rotation about a first axis (13), mixing members (22) driven in rotation relative to the casing (20) and about a second axis (15) that is inclined relative to the fir...
05/15/2007
7087972Magnetoelectronic devices utilizing protective capping layers and methods of fabricating the same
Magnetoelectronic device structures and methods for fabricating the same are provided. One method comprises forming a first and a second conductor. The first conductor is electrically coupled to an interconnect stack. A first insulating layer is deposited overlying ...
08/08/2006
7029162Process and apparatus for continuous mixing of slurry with removal of entrained bubbles
The present system comprises an apparatus and a process for continuously dispersing fine particles in a liquid. The apparatus comprises a mixer that has at least one inlet for receiving the fine particles and liquid and an outlet. The mixer further comprises a barre...
04/18/2006
6752527Light inexpensive cross for mixers of concrete, mortar and similar materials
The present invention relates to a cross used in mixers for concrete, mortar and similar materials, characterised in that it has a very light, inexpensive metal structure obtained with oxygen lance cutting technique and basically composed of three spokes projecting ...
06/22/2004
6450679Large volume twin shaft compulsory mixer
A twin shaft "compulsory mixer" having a capacity in the range of twelve cubic yards has a static mixing chamber bottom defined from two horizontally disposed and interfering cylindrical shapes. Two centrally disposed elongate rectilinear discharge gates ...
09/17/2002
6193403Bucket 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
6123445Dual 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
5624183Apparatus for metering and mixing aggregate and cement
Portable metering and mixing apparatus includes a trailer having a hopper thereon divided into two compartments, one compartment for aggregate and another compartment for cementitious material. An auger receives aggregate from one compartment and feeds ag...
04/29/1997
5556196Cement charging, mixing and pouring apparatus attached on a heavy duty machine
A cement mixer pivotably mounted on a linkage of an arm assembly of a heavy-duty machine, for example, an excavator or a shovel. The cement mixer includes a barrel, an agitator assembly rotatably mounted on the barrel and used to agitate materials to be m...
09/17/1996
5524982Planetary centrifugal mixing apparatus having exchangeable centrifugal mixing blades
An apparatus for mixing molding sand which comprises a mixing vessel having a mixing tool disposed within the mixing vessel, the mixing tool comprises an elongated shaft having a plurality of blades arranged along the elongated shaft wherein each of the p...
06/11/1996
5478147Portable mixer for mixing ground rubber into liquid asphalt
The mixer includes a cylindrical mixing tube substantially submerged in the liquid asphalt and a paddle assembly extending axially through the mixing tube. An auger drives the ground rubber into an upstream end portion of the mixing tube and into the liqu...
12/26/1995
5423491Transporting and/or handling and/or processing plant for soil, gravel, sand etc.
One type of plant for transporting, handling and processing materials such as sand, gravel, crushed aggregate, soil, peat and recoverable excavated material. A screening plant for particularly screening of said materials comprises at least one feed statio...
06/13/1995
5403087Mixing apparatus and mixing method for mixing fibrous and powder materials
Mixing method and apparatus using two shafts which rotate in a reverse direction with respect to each other, having mixing pins branched in a V shape or Y shape and a mixing bath arranged in such manner that fibrous and powder materials are input to one e...
04/04/1995
5382411Apparatus and method for continuously mixing fluids
Apparatus and method of hydrating a particulated polymer and producing a well treatment gel includes a mixer for spraying the polymer with water at a substantially constant water velocity and at a substantially constant water spray pattern at all flow rat...
01/17/1995
5380082Asphalt drum mixer with curved scoop-like mixing tips
An asphalt drum mixer includes a rotating drum within a fixed sleeve which defines an annular chamber, and mixing tips mounted on the drum and in the annular chamber. The mixing tips pass through the hot mix asphalt laying in the bottom of the annular cha...
01/10/1995
5380084Asphalt drum mixer with self-scouring drum
A drum mixer for heating and drying stone aggregate as part of a process of continuous production of asphalt paving composition, the drum mixer including: an elongate hollow rotatable drum having a length and an outer surface, the elongate hollow rotatabl...
01/10/1995
5358328Mixing device
By rotating mixing blade units having blades inclined in opposite directions, pulverulent materials such as cement can be effectively mixed with a liquid under the most suitable condition to produce a desirable mixture. The blades of the mixing blade unit...
10/25/1994
5358693Method and apparatus for the single-stage continuous production of a rubber base compound and a rubber end compound
The invention is directed to a method and an arrangement for continuously producing a rubber base compound and a rubber end compound in a single stage for vehicle tires, drive belts, conveyor belts as well as for industrial rubber products. The rubber bas...
10/25/1994
5354127Segmented 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
5342124Mixer having blades arranged in a discontinuous helical pattern
A mixer having an elongated housing with an upper wall, a curved lower wall, an inlet end and a discharge end. A rotatable shaft within the housing extends from the inlet end to the discharge end of the housing. A plurality of blades are attached to the s...
08/30/1994
5302018Concrete kneading apparatus
The present invention aims to evenly and surely knead a concrete material comprising less water amount. Concrete material layer entered into a kneading tank is cut in an up-and-down direction and divided into a plurality of layer sections arrayed side by ...
04/12/1994
5178459Tank with a double stirring system, primarily a curdling tank
A curdling tank includes two upright, mutually intersecting, circular tank sections, each of the circular tank sections having a concentrically operated stirring system. The bottom portions of each of the circular tank sections are shaped to include slopi...
01/12/1993
5161341Method 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
5114239Mixing apparatus and method
A mixing apparatus comprises two or more tubs in which mixtures can be mixed to obtain averaging of a particular property, such as density. Two recirculation lines are used. One recirculates between an initial mixing tub and a mixing inlet, and the other ...
05/19/1992
5061082Replaceable pug mill blade
The invention is directed to an improved mixing arrangement for securing the blade to the shank of a mixing apparatus. The blade includes a borehole which overlies and surrounds a substantial portion of the shank so as to substantially reduce direct abras...
10/29/1991
5002398Apparatus for and methods of producing a hot asphaltic material
A continuous process aggregate drying and mixing plant for producing a hot asphaltic material, such as is used for paving highways or the like, includes a combination of a drum drier and a pugmill. Both the drum drier and the pugmill are supported by a co...
03/26/1991
4979829Cement mixing with vibrator
A casing string is cemented in a borehole of a well. The cement is prepared by introducing water and dry cement material into a mixing vessel. The water and dry cement material are mixed in the mixing vessel to form a cement slurry. The mixing is accompli...
12/25/1990
4973166Particulate material conditioner
A machine for conditioning granular materials includes a dual section chamber through which a transport belt travels and in the first chamber of which are a pair of closely spaced counter-rotating heads so driven that the material is moved toward the narr...
11/27/1990
4946283Apparatus for and methods of producing a hot asphaltic material
A continuous process aggregate drying and mixing plant for producing a hot asphaltic material, such as is used for paving highways or the like, includes a combination of a drum drier and a pugmill. Both the drum drier and the pugmill are supported by a co...
08/07/1990
4918665Apparatus for mixing material
The invention relates to mixing apparatus in which the drive motor and the stirrers are each coupled to the three revolving elements of a planetary gear. In such apparatus the speed of the two stirrers is automatically adapted to the prevailing counter-mo...
04/17/1990
4827455Mixer
A mixer comprises a housing having charging and discharge pipes, and arcuate working members fashioned as rods coiled to form cylindrical springs and attached by ends thereof to drive shafts. The working members are disposed inside the housing one above t...
05/02/1989
4802139Apparatus for producing a heated reproduction asphalt mixture
Disclosed are a method of and an apparatus for producing a heated reproduction asphalt mixture, in which a new material and a normal-temperature waste material, the water content of which is set at a limited range of values, are adapted to be mixed togeth...
01/31/1989
4775239Double shaft forced-feed mixer for continuous and discontinuous manner of operation
A double-shaft forced-feed mixer, for example for building material mixtures, is proposed which is assembled according to the principle of movement of the batch-type mixer and is usable both for continuous and discontinuous operation....
10/04/1988
4758095Dual shaft pan mixer
A dual shaft pan mixer comprises a mixing vessel (1) having a first and a second pan section (3 and 4), a pair of paddle assemblies (10) having drive shafts (13) which are disposed horizontally and in paralllel relationship with each other within the mixi...
07/19/1988
4671666Mixing device
The invention relates to a mixer having a mixing vessel composed of two vessel parts and which can be pivoted through 180° about a horizontal axis. The stirrer shaft is coaxial with the axis about which the vessel is pivoted and the drive motor of the st...
06/09/1987
4603999Apparatus for mixing and spreading coatings on surfaces
An apparatus for uniformly spreading and mixing coating ingredients deposited on a traffic surface, such as a road, includes a maneuverable, wheeled support carriage, a frame and a power driven finishing assembly. The finishing assembly is provided with a...
08/05/1986
4560281Foundry apparatus for mixing sand with binder
Foundry apparatus for mixing sand with binder ingredients to produce a composite mixture suitable for foundry molds includes a first premixing chamber enclosing a first bladed shaft mounted for rotation about a substantially horizontal first axis operable...
12/24/1985
4453831Mixer with a fixed drum
The invention relates to a mixer with a fixed drum. According to the invention, the mixer comprises a central opening (6) which makes it possible to carry out measurements or operations directly in the mixture during mixing. The entire driving device (8) is lo...
06/12/1984
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