Abstract: An improved immersible magnetically-coupled mixer has a plurality of rollable bearing assemblies readily cleanable by flushing in place and easily removable and replaceable without damage to either the mixer impeller or the bearings. The rollable bearings are resistant to corrosion, capable of running without lubrication, and have low propensity for batch contamination through wear. The rolling and fixed elements of the bearings are impervious to attack by the process materials being mixed, the rollable elements, preferably balls, can be formed of a hybrid ceramic such as silicon nitride, and the races can be formed of a nickel-beryllium or cobalt-chromium-tungsten alloy.

Abstract: An improved immersible magnetically-coupled mixer has rollable bearings readily cleanable by flushing in place and easily removable and replaceable without damage to either the mixer impeller or the bearings. The rollable bearings are resistant to corrosion, capable of running without lubrication, and have low propensity for batch contamination through wear. The rolling and fixed elements of the bearings are impervious to attack by the process materials being mixed, the rollable elements, preferably balls, being formed of a hybrid ceramic such as silicon nitride, and the races being formed of either a nickel-beryllium or cobalt-chromium-tungsten alloy. A mixer impeller having a central bore is rotatably mounted on the rollable bearings on a fixed impeller shaft attached to the inner wall of a vessel at the bottom of the mixing space, which shaft extends through the impeller bore. The impeller contains magnets and is couplable in driving relationship to an external magnetic mixer drive.

Abstract: An abrasion resistant bearing system for use in the agitation assembly of a mineral dissolution machine. The agitation assembly is part of the mixing tank where abrasive materials such as gypsum, nitrogen, potassium, sulphur and the like are kept in a mixed condition for ultimate discharge into an agricultural irrigation system. The vertical orientation of the agitation shafts allows for more consistent mixing at low speeds.

Abstract: A horizontal mixer for mixing and processing materials includes a horizontally disposed mixing chamber and an elongated rotatable mixing shaft extending longitudinally through the chamber. The drive apparatus is coupled to a drive of the mixing shaft to rotate the shaft and mix material placed in the chamber. A stub end of the shaft has a bearing portion extending through an end wall of the chamber opposite the drive end of the shaft. The bearing portion engages a sleeve bearing which is operable for rotatably supporting the stub end proximate the end wall opening. A sealing shroud is coupled proximate the sleeve bearing and covers an outer portion of the shaft stub end. A static shroud seal is coupled with the sealing shroud at an interface between the shroud and the sleeve bearing. The static shroud is maintained out of direct contact with the rotatable shaft stub end.

Abstract: A machine for producing slush, granita and similar products has a bowl, a stirring implement operative for stirring liquid contained in the bowl, a drive shaft extending through the bowl and connected with the stirring implement, drive element connected with the drive shaft and operative for rotating the drive shaft so as to rotate the stirring implement, a first substantially cylindrical element surrounding the drive shaft and having an upper edge exceeding a maximum filling level of the bowl, another substantially cylindrical element externally surrounding the first mentioned substantially cylindrical element and extending inside the bowl starting from a top of the bowl so as to reach the stirring implement, and an element for connecting the other substantially cylindrical element with the drive shaft.

Abstract: Apparatus for mixing a processing medium with a pulp suspension within a vessel is disclosed, including a housing attached to a wall of the vessel, a rotary shaft extending into the vessel through an opening in the housing, bearings supporting the rotary shaft within the housing, seals for sealing the rotary shaft within the housing, a propeller with a hub attached to the rotary shaft within the vessel, the hub including an extending portion adapted to sealingly engage the opening in the housing, the rotary shaft being axially movable between a normal operating position in which the hub and the opening in the housing are separated by a gap and a sealed position in which the gap is closed and the extended portion of the hub sealingly engages the opening in the housing, and a locking ring for locking the rotary shaft in its sealed position whereby the housing is accessible while the vessel remains filled with the suspension.

Abstract: A versatile assembly of interchangeable kitchen implements including stirring and vegetable coring implements. One embodiment includes a collar for holding an electric drive unit, the collar mountable on a pot or pan with adjustable legs. Various implements, such as paddles, whisks, vegetable coring devices, etc. can be mounted on the drive unit. Stirring implements, such as whisks may be mounted for untended stirring, either directly to the drive for rotating around one axis or through a flexible connection for both rotating and revolving in a circle. A brace may be used for helping support elongated stirring devices, such as a rod having a transversely extending stirring wire. Also, coring embodiments having a drill part for drilling a hole in an elongated vegetable, a side cutting portion for widening and hollowing the vegetable and a rounded distal end stop to prevent inadvertent drilling though the vegetable end wall.

Abstract: A paint mixing system includes a paint can lid having a mixing paddle that can be rotated by a power drill or the like. The paint mixing system is preferably constructed entirely of plastic (e.g. molded high density polyethylene), except for a self-lubricating washer. The paint mixing system includes a plastic lid having an integral bore, a coupler that is secured for rotation within the lid bore, and a mixing paddle attached to the coupler below the lid. The coupler has a cylindrical upper portion and a cylindrical lower portion that has a smaller diameter than the upper portion. Likewise, the integral bore has a cylindrical upper portion that is larger than a lower cylindrical portion. The coupler fits closely within the lid bore, but not snugly so that the coupler can rotate freely within the bore.

Abstract: A conical mixer for mixing and processing materials comprises a mixing chamber, an orbit arm positioned within the chamber for rotating therearound and a mixing screw coupled to the end of the orbit arm for rotation simultaneous with the rotation of the orbit arm. A driver for rotating the screw is coupled to an orbit arm assembly which includes a first drive gear coupled to the driver and a first mixing screw shaft with a first driven gear which cooperates with the first drive gear to rotate the first mixing screw shaft. A second drive gear is positioned at the end of the first mixing screw shaft and cooperates with a second driven gear which is, in turn, coupled to a second mixing screw shaft. Each of the driven gears includes a plastic gear portion to engage the respective drive gear in a generally lubricant free engagement for reducing the amount lubricant exposed to the mixing space of the chamber. The first and second mixing screw shafts are supported by a plurality of bearings.

Abstract: The invention concerns a device for installation of a mixer in a water tank. The mixer is arranged on the inside of a cover (4) in the tank wall (2) which means that only the electric connection means to the motor have to be sealingly drawn through the wall.

Abstract: A blender construction employing a unitary cylindrical body and removable, semicircular segmented, end cap closures wherein a unitary blender body includes an inlet chute at a first end and an exit chute at a second end. A centrally disposed hollow mixing shaft extends through the segmented end caps and is provided with diametrically disposed hollow mixing fingers spaced therealong positioned within the blender body. A high pressure heat exchange fluid source connects the blender, through tubing extending through one of the segmented end caps and, along the interior length of the blender housing. The heat exchange fluid is expelled from openings therein aligned with each of the mixing tool hollow interiors. The blender housing is supported on a platform that also supports the end bearings for the rotating blender shaft. A drive wheel is keyed to the hollow rotating blender shaft at one end thereof to connect with a suitable drive power supply.

Abstract: A jet mixer having a hub arrangement for facilitating the rotation of an impeller mounted to the hub. The hub receives fluid from a hollow conduit to provide a liquid bearing. The hub includes a sleeve member that is axially self-centering and rotatable on a body portion of the hub.

Abstract: The bearing assembly for supporting one end of a rotatable shaft, such as the lower end of an agitator drive shaft inside a mixing tank, includes a mounting sleeve surrounded and spaced radially outwardly from the lower end of the drive shaft, a support supporting the mounting sleeve at a location where there is sufficient space between the mounting sleeve and the tank bottom to gain access to the lower end of the drive shaft, an annular bearing slidably mounted on the drive shaft, a bearing housing disposed inside the mounting sleeve and receiving the bearing to provide a bearing/bearing housing subassembly and a locking arrangement on the bearing housing and the mounting sleeve.

Abstract: A stirrer for machines for making ice cream includes a section of a rotary drive shaft, a first hub supporting a plurality of angularly equidistant radial spokes integral with the drive shaft section and a second hub supporting the same number of spokes as the first hub. The spokes of the second hub are provided at their ends with fastening components. The first hub contains radial passages that extend from a position diametrically opposite the spokes and through a longitudinal axis of the spokes to accommodate screw-type fastening members. The stirrer further includes a plurality of stirrer blades which have, at their axial ends, tapped holes for engaging the fastening members and fastening components to operatively connect the first and second hubs.

Abstract: The present invention relates to an apparatus for mixing liquid products, in particular to prepare coloring substances for paints and the like. The apparatus includes a base supporting a substantially horizontal table with supports, on the top face thereof, a plurality of vessels for the liquid products to be mixed. Inside each vessel is applied a stirring element which projects by its driving end portion from the vessel. The apparatus further includes a coupling element for coupling the driving end portions of the stirring elements to a driving device which can be actuated to simultaneously drive the stirring elements.

Abstract: An abrasion resistant bearing system for use in the agitation assembly of a mineral dissolution machine. The agitation assembly is part of the mixing tank where abrasive materials such as gypsum, nitrogen, potassium, sulphur and the like are kept in a mixed condition for ultimate discharge into an agricultural irrigation system.

Abstract: This invention relates to a method of using an apparatus is provided for the accelerated bioremediation of treated contaminated material. The material is treated with chemical and/or biological amendments for facilitating accelerated bioremediation thereof. The apparatus comprises a system for for generating a treated contaminated material entraining air stream at a predetermined velocity for entraining the treated contaminate material therein for microenfractionating the treated contaminated material. In this way, accelerated bioremediation is facilitated. In another form of the invention, a method of accelerated bioremediation of treated contaminated material is provided.

Abstract: A shaft toe mount intended for inclined or vertical agitators such as are used for the processing of materials including food materials in a kettle, the present toe mount provides a bearing surface for that end of a rotary shaft of the agitator which extends into the interior of the kettle. Agitators advantageously mounted by the shaft toe mount of the invention include mixing structures capable of stirring or mixing operations within a kettle and particularly when inner walls of the kettle are to be scraped to prevent material adhesion or "burn-on" such as occurs when food materials are heated and/or cooked within a kettle. The present shaft toe mount is configured to allow rapid removal from the kettle so that the mount as well as the kettle and agitator can be cleaned daily according to accepted standards of cleanliness.

Abstract: A modular high shear mixer has a shaft guard substantially enclosing the rotating mix shaft thereof and a mixing member guard substantially surrounding the mixing member formed upon the lower end of the mix shaft so as to enhance safety without undesirable affecting the performance of the mixer.. Modular construction facilitates both mechanical and fluid shearing utilizing a plurality of interchangeable mixing members. The mix shaft is driven by a AC motor, the speed of which is determined by a controller so as to eliminate the need for multiple pulleys.

Abstract: A bearing mount particularly useful for mounting a non-driven end of a rotary shaft of an inclined or vertical agitator used for the processing of materials such as pharmaceuticals, cosmetics, foodstuffs and the like in kettles wherein such materials are mixed or stirred either with or without scraping of inner wall surfaces of the kettles, the present bearing mount provides a bearing surface for the distal end of the rotary shaft of the agitator which extends into the interior of the kettle toward inner walls of the kettle and which said distal end requires a bearing mount to hold the end of the shaft in a desired spaced relation from the wall of the kettle. The bearing mount of the invention comprises an idler bushing mounted to the distal end of the shaft, the idler bushing having bearing surfaces which are complementary with bearing surfaces provided by an idler pin removably mounted to an idler base fixed to the inner wall of the kettle.

Abstract: A steady bearing on a mixer shaft in a vessel supported from the walls of the vessel by a plurality of pairs of parallel struts which are pivotably mounted at their ends in fixed parallel clevises, the inner clevises being included in a bearing support subassembly and the outer clevises being attached to the vessel wall. The struts and clevises define a plurality of supportive parallelogram structures. The steady bearing is free to slide axially along the mixer shaft. As the vessel expands or contracts in response to changes in internal pressure or temperature as required by process conditions, the shape of the parallelogram structures is free to change to lengthen or shorten the parallelogram diagonals, and in response the steady bearing moves to a new position along the shaft. Radial support of the bearing is maintained at all axial positions assumed by the bearing.

Abstract: A mixer assembly including a driven hollow quill having first and second conical portions in an axial bore and being adapted to receive and mate with a mixer shaft assembly including a mixer shaft having a conical chamfer to mate with the first conical portion and a quill shaft disposed on and removable from the end of the mixer shaft. The quill shaft has a threaded aperture which cooperates with a jack screw rotatably mounted within the quill bore to draw the conical chamfer into preloaded centered relationship with the first conical portion of the quill bore. A tapered sleeve lodged between the mixer shaft and the second conical portion of the quill bore distributes radial loads on the shaft over a large area of the quill, thereby preventing damage to the shaft and quill. A seal assembly on the mixer shaft isolates the housing from the interior of the vessel. The seal is readily removed for replacement. First, the tapered sleeve is released from the second conical portion.

Abstract: The invention relates to a device for preparing a paste for cosmetic use in a manner sheltered from the air by mixing at least two components of which at least one is in the form of cream. The device has a closed receptacle provided with a removable closing means, into which the components are successively introduced in a metered manner. The receptacle is in the form of a cylindrical pot, closed at its upper part by a removable lid, and having at its base (2) a means (16, 17) forming a bearing to receive rotationally the hub (11) of a shaft (12) disposed along the axis (10) of the cylindrical pot which shaft has, at its periphery, at least one radial blade (18), the device having outside the cylindrical pot a rotatable operating element (9) integral with the hub (11), activatable by hand, whereby activation of the operating element causes the shaft and radial blade or blades to be driven rotationally.

Abstract: An idler bearing mount useful for mounting a rotary shaft of a horizontal agitator or the like within a kettle or similar container within which materials being processed are stirred or mixed, the invention includes a replaceable idler pin and bushing, thereby allowing replacement of said idler pin and/or bushing in the event of excessive wear or damage to the pin or bushing. The structure of the present idler bearing mount is rapidly disassembled for cleaning according to sanitary standards and can be thoroughly cleaned even though a portion of the structure is mounted directly to an inner wall portion of the kettle.

Abstract: 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 plurality of blades comprises two opposed identical blade portions fitted to each other by a form fitting connection at a location adjacent the elongated shaft. The form fitting connection includes a groove and a lug on each of the opposed blade portions wherein the lug on one of the opposed blade portions engages the groove on the other opposed blade portion. The groove and lug form in part a peripheral surface of a polygonal recess on the form fitting connection which surface abuts the elongated shaft of the mixing tool when the opposed blade portions are secured to the shaft.

Abstract: An improved drive mechanism is provided for use with automatic paint stirring equipment of the type having a rack adapted to removably receive and support paint cans wherein each paint can has a cover, a stirring element contained within the can and a driven member positioned above the cover and mechanically connected to the stirring element. The improved drive mechanism includes a drive shaft having a diametric cross bore at a position spaced from the first end of the shaft. A diametrically extending opening extends from the cross bore to the first end of the shaft and this opening has a smaller cross-sectional area than the shaft cross bore. The shaft is rotatably mounted to the rack so that the first end of the shaft is positioned adjacent the driven member on the paint can. A drive member is then secured to the first end of the shaft which drivingly engages the driven member on the paint can during rotation of the shaft. This drive member has an axle and a drive plate secured to the axle.

Abstract: Adjustable coupling device for driving a stirrer rod shank of devices including a stirrer lid positioned on a tin of paint located in a paint stirring machine. A first tube has an upper fork capable of being coupled to a shelf drive plate of the stirring machine, and a second tube whose height is equivalent to that of the first tube has a reduced diameter so that it can slide at a slight clearance within the first tube, with the stirrer rod shank projecting from the stirrer lid so that it can slide with a clearance along the second tube.

Abstract: An agitator tank with a magnetically coupled mixer. The mixer includes a drive magnet that is connected to a drive shaft. The drive magnet and drive shaft are both located within a drive housing that is fastened to the tank in a sealess fashion. The housing separates the drive magnet from a driven magnet that is attached to an impeller. The magnets are magnetically coupled so that rotation of the drive magnet induces a rotation of the driven magnet and impeller. The drive shaft is coupled to a motor which rotates the shaft and the drive magnet. The magnets are oriented so that the coupling surface of each magnet is essentially parallel with the longitudinal axis of the drive shaft, preferably in a circular pattern around the center of the shaft.

Abstract: A food processor especially a home food processor, which includes a bottom part on the housing on which can be mounted a work holder carrying a work device. A cover for the process which can be rotated into a locked position, includes a detachable connection between it and the housing. A drive device having an electric motor arranged in a separate housing can be positioned to form a detachable connection with gearing provided in the bottom part of the housing. A controllable safety device is provided so that by means of the cover of the work holder and the gearing, actuation occurs only when the cover is placed on the work holder and is found in its locked rotary setting.

Abstract: An apparatus for supporting a paint stirring stick and for coupling to an electric drill comprising, in combination, a generally box-like container, the container having large parallel upper and lower walls, and small parallel side walls coupled therebetween, the container having an open front end adapted to receive a stirring stick, the device also having a closed rear end formed of symmetric walls adapted to close the rear end of the container.

Abstract: An in-place flush-cleanable mixer system for mixing materials in a vessel. The mixer has an impeller connected to a mixer drive shaft, the impeller and shaft being mounted in an assembly which extends through an opening into the vessel and closes that opening. The assembly has a cylindrical hub with bearings which support the shaft and with an open passageway through which the shaft extends out of an open end of the hub. The open passageway is part of a confinement region which is terminated at its outer end by a confinement shell which separates inner and outer rotors of a magnet coupling. The inner rotor is connected to the mixer shaft, and the outer rotor is connected to a drive shaft. There are no dynamic seals which close the confinement region so that the working materials can be present throughout.

Abstract: A mixer mechanism is used for an automatic baking machine which includes an oven and a container disposed within the oven so as to bake bread. The mixer mechanism includes a driving device which has a rod member rotated by a motor, and a driving plate member secured to the upper end portion of the rod member. A shaft assembly includes a shaft member journalled on the bottom wall of the container, a driven plate member secured to the bottom end of the shaft member and mounted removably on the driving plate member in such a manner that the shaft assembly rotates synchronously with the rod member, and a positioning unit secured to the top end of the shaft member.

Abstract: A mounting assembly for the primary mixing paddles in a pan-type mixer includes a single bolt paddle support arm mounting and adjustment device, and a two bolt paddle mounting feature, both of which are constructed and located to provide reliable adjustability and demountability and to protect the assemblies against the ingress of contaminants and abrasive wear from the materials being mixed. The single bolt clamping device also provides simple vertical adjustment of the paddle height in a manner which retains the adjustment mechanism enclosed against the entry of contaminants. The two bolt paddle mounting assembly encloses both threaded connections inside the body of the paddles, and includes a protective enclosing shroud and positions the exposed bolt heads at the back of the assembly out of the direct path of abrasive materials.

Abstract: A multibladed propeller shaped agitator includes a plurality of impellers having made blades, blade roots and hub segments made of plastic material. A metallic hub element is inlaid only in the hub segment. The impellers are connected to the hub segment such that stress peaks, imparted from a driving force, in the region of the blades, blade roots and hub segments are substantially prevented.

Abstract: An apparatus for holding hazardous waste made up of solids and liquids in a flowable form includes a tank made of material selected to be impervious to and non-corrodible by the hazardous waste and having a non-critical portion, an agitator in the tank having fluid agitation portions oriented for rotational movement about a horizontal axis, a non-sparking motor located within the tank connected to the agitator for imparting rotation to the fluid agitation portions, and a power source for the motor outside the tank having means passing through the non-critical portion of the tank for communicating power from the power source to the motor. Thus, the power source may communicate power to the non-spark generating motor to impart rotation to the agitator to cause the fluid agitation portions to agitate hazardous waste made up solids and liquids held in the tank to maintain the hazardous waste in flowable form.

Abstract: A mixer system for aggressive (toxic, hazardous, corrosive, etc.) materials which are mixed (agitated, suspended, circulated, etc.) in a tank with an impeller connected to a drive shaft has the impeller and its shaft mounted in an assembly which extends through an opening into the tank and closes that opening. The assembly has a cylindrical hub with a passageway through which the shaft extends out of an open end of the hub. Bearings which are made of materials which are resistant to the aggressive material in the tank are mounted in the hub and journal and support the shaft. There are no dynamic seals which close the confinement region so that the aggressive materials can be present therein.

Abstract: A shaft (6) extending from a motor housing (1) of the mixer terminates in an end portion (10) which, for easy attachment of a mixing head (H) thereto, is formed with a shallow circumferential groove (18). This permits fitting a hub or sleeve (13) on the mixing head (H) onto the end portion (10) of the shaft with axial misalignment, without exerting lateral bending forces on the hub (13). The head is formed with a resiliently deflectable tab or flap (15) for frictional engagement with the shaft, to hold the head in secure axial position on the shaft. The terminal end (19) of the shaft (6) is convex and rounded, or essentially part ball-shaped or part-spherical. Preferably, a guide ring or guide surface (23), having the diameter of the shaft, is positioned between the circumferential or ring-shaped groove (18) and the convex and rounded, or part spherical ball-shaped or part end (19). The groove (18) is shallow, wider than deep, and preferably, in cross section, part-circular.

Abstract: A feeder for controllably discharging a flowable substance and having a hemispherically shaped hopper for holding a flowable substance, a rotatable agitator for sweeping the hopper and agitating the substance, a trough for receiving the substance from the hopper, a rotatable feed screw for removing the substance from the hopper and controllably discharging the substance from the feeder, and a driving mechanism for driving the feed screw and agitator. The agitator is horizontally driven along an axis which is parallel to axis of the feed screw and is removable from the feeder.

Abstract: An apparatus for holding hazardous waste made up of solids and liquids in a flowable form includes a tank made of material selected to be impervious to and non-corrodible by the hazardous waste and having a non-critical portion, an agitator in the tank having fluid agitation portions oriented for rotational movement about a horizontal axis, a non-sparking motor located within the tank connected to the agitator for imparting rotation to the fluid agitation portions, and a power source for the motor outside the tank having means passing through the non-critical portion of the tank for communicating power from the power source to the motor. Thus, the power source may communicate power to the non-spark generating motor to impart rotation to the agitator to cause the fluid agitation portions to agitate hazardous waste made up of solids and liquids held in the tank to maintain the hazardous waste in flowable form.

Abstract: A stirring system for stirring contents in a laboratory flask having a round or spherical bottom and a reduced neck includes a stirrer shaft manufactured with a ring at the lower end thereof which permits attachment of a blade with a nut and bolt made of TEFLON material. The nut and bolt prevents the stirrer blade from flipping over during assembly and allows for a controlled tightening force to be applied to ensure that the blade remains in proper stirring position during use. The nut and bolt design permits use of the shaft with any stirrer blade having a keyhole cutout or circular opening. A method of stirring contents in a laboratory flask by attachment of the stirrer blade to the stirrer shaft with a nut and bolt is also disclosed.

Abstract: An arrangement for mixing and/or kneading of viscous, plastic, powder or grain materials, comprises a housing provided with a housing opening, a screw shaft driveably arranged in the housing opening and having a torque transmitting shaft and a plurality of screw elements arranged one behind the other on the shaft, a wedge connecting the screw elements with the shaft and having a substantially rectangular cross-section with two long sides and two short sides.

Abstract: Installation for steeping grains of the type comprising a tank (1) provided with a cylindrical lateral wall (2), with a bottom (3) and with a perforated platform (11) disposed at a certain distance from the bottom (3) and on which the grain rests in a layer of suitable thickness, the upper surface of this layer of grains being able to be levelled by a rotary system with raking arms (6) carrying blades and associated with a first motor (9) capable of rotating them, a second motor (10) being coupled to the system in order to make it vertically movable. This installation comprises removable connection making it possible to connect, mechanically and temporarily, the perforated platform (11) to the system with raking arms (6) and blades or directly to the second motor (10).

Abstract: A portable system for on-site batch mixing of cementitious materials, such as mortar and grout, includes a batch mixing machine for metering and mixing cement, sand and water, a cement storage silo sized to hold at least one commercial delivery truckload of cement, and a pair of sand supporting ground pads. The large cement storage silo significantly reduces the manpower and equipment costs associated with the overall batch mixing process, and the sand support pads operate to prevent dirt contamination of the cementitious mixture. A specially designed pressurized shaft bearing/seal structure provided on the batch mixer portion of the mixing machine reduces grease seal and bearing maintenance by essentially precluding entry of cementitious material into the seal and bearing. The pressurized system utilizes either a spring or air under pressure to establish a higher pressure in the grease supply than that in the mortar.

Abstract: An apparatus for holding hazardous waste made up of solids and liquids in a flowable form includes a tank made of material selected to be impervious to and non-corrodible by the hazardous waste and having a non-critical portion, an agitator in the tank having fluid agitation portions oriented for rotational movement about a horizontal axis, a non-sparking motor located within the tank connected to the agitator for imparting rotation to the fluid agitation portions, and a power source for the motor outside the tank having means passing through the non-critical portion of the tank for communicating power from the power source to the motor. Thus, the power source may communicate power to the non-spark generating motor to impart rotation to the agitator to cause the fluid agitation portions to agitate hazardous waste made up of solids and liquids held in the tank to maintain the hazardous waste in flowable form.

Abstract: A trailer provides a slurry hauling tank having an auger mounted for swinging movement inside the tank. A rotary hydraulic motor inside the tank drives the auger and is powered by fluid delivered through a rotary fitting extending through the tank wall. Relatively stiff stainless steel conduit connects the rotary fitting to the auger motor. The auger is oscillated through an arc while the trailer is being loaded, towed toward a disposal site and during unloading by a hydraulic motor on the outside of the tank. A hydraulic circuit alternately drives the motor in one direction and then in another direction. In one embodiment, the hydraulic circuit reverses by use of a pressure responsive cycling valve. In another embodiment, microswitches are used to reverse the hydraulic motor.

Abstract: A paint can cover or lid having a paint mixing device rotatably supported therefrom and extending into the interior of the paint can for mixing paint in the can while the cover or lid is in place to form a closure for the can. The mixer includes a paddle rotatably supported from the paint can cover or lid and a rotatable member which extends rotatably through the paint can cover or lid in a sealed manner to prevent leakage of paint and entrance of air with the outer end of the rotatable member having a polygonal socket receiving the output of a power device. In one embodiment of the invention, the paint can lid or cover is provided with an opening therein receiving an adapter secured to and sealed to the cover or lid by a threaded nut with the rotatable member extending through the adapter in sealed relation thereto.

Abstract: A cone dryer with swivel arm drive and sealing arrangement consists of a conic mix receptacle with an upper housing cover having in its center a drive arrangement aligned with the receptacle axis which drives the swivel arm around the receptacle axis and which also drives the mixing screw rotating on the free pivoting end of the swivel arm. A first sealing and lubricating package supplies the upper bearing of the pivot arm on the center side, and a second sealing and lubricating package supplies the bearing of the mixing screw on the swivel arm side. For the simultaneous supply of both sealing and lubricating packages, the sealing and lubricating package on the center side and the sealing and lubricating package on the swivel arm side are connected with one another via ducts, and both sealing packages are supplied with fluid via a common receiver receptacle arranged outside the mixer.

Abstract: A mixing tank for a liquid is disclosed with a built-in agitator having a shaft extending through an upper wall of the tank for engagement with a drive motor module. For shipping purposes, the shaft opening is sealed against leakage of the liquid by a seal ring which is compressed by a seal clamp between a collar fixedly mounted on the shaft and a fixed member on the upper wall of the tank. When the agitator is operated at a work station to mix the liquid, the seal clamp is released and the agitator shaft is driven by the drive motor module. In order to prevent liquid leakage around the shaft during shaft rotation, a rotor is mounted on the shaft inside the tank and the liquid which migrates up the shaft to the rotor is thrown outwardly thereby.

Abstract: A combined machine for processing products for ice cream and confectionery comprising a processing cylinder associated to refrigeration means and heating means which can be operated alternately according to the phases of processing, as well as stirring means which are easily interchangeable so as to permit the processing for pasteurization of various liquid mixtures and for production of ice creams, grated-ice drinks and confectioner's creams in general. Advantageously the machine is provided with an electronic device for controlling and selecting the different processing cycles desired.

Abstract: A horizontally oriented mortar mixing drum 11 fabricated of polyethylene material having an elemental cylindrical segment opening through which mortar materials to be mixed may be deposited into or poured from. A perimeter frame having base elemental frame member 15, diametric wall frame members 16 and polyethylene grate 20 is provided for enhancing resistance to torsional stress on drum 11. Wear resistant liner 12 and side panels 13 and 14 cover the interior surface of drum 11. Paddle shaft 18 is rotatably and axially supported within drum 11 and has paddle stubs 28 attached to and extending radially therefrom. Polyethylene mixing paddles 19 are sleeved onto paddle stubs 28 to complete improved mortar mixing drum assembly 10.