Abstract: An agitator is disposed in the interior of a casing through which fluids to be mixed pass. The agitator is connected with a source of oscillation for oscillating the agitator in the axial direction. The inner wall of the casing includes a stationary vane extending inwardly therefrom. A relative motion is generated between the agitator and the stationary vane. When the fluids flow through the interior of the casing, they are agitated and mixed together by impingement of the fluids against the stationary vane and agitator and by the relative motion between the stationary vane and the agitator.

Abstract: A continuous, low shear solids dissolution system involving a water supply system (100), polymer metering system (120), mixture feed tank (152), mixture pump (154), mixture transport conduit (172), undissolved polymer dispersal element (188), solution sieve assembly (210), and holding tank (250). The polymer-water mixture (156) is pumped through mixture transport conduit (172). Undissolved particles of polymer encounter dispersal elements (188) and the particles are more uniformly dispersed. Any particles which are carried undissolved out of the mixture transport conduit (172) are forced through sieve (214) to further disperse the polymer in the water. The undissolved polymer is completely dissolved by low shear agitation in a holding tank (250).

Abstract: A two-component bone cement mixing system comprises a cartridge mixer having an interior volume containing a first predetermined quantity of a free-flowing, powdery, solid bone cement component under vacuum pressure; an ampoule containing a second predetermined quantity of a liquid bone cement component; a fluid transfer element for fluidically connecting the cartridge mixer and the ampoule for transfer of the liquid bone cement component to the cartridge mixer; and a plug element, receivable within the ampoule, for automatically hermetically sealing the fluid transfer element against passage of a material therethrough upon completion of the transfer of the second predetermined quantity of the liquid bone cement component into the cartridge mixer.

Abstract: In order to whip liquid cream even in reduced quantities, without any effort and risk, the apparatus according to the invention comprises a piston (7) provided in its front part (7b) with holes (17) through which a mixture of cream and air is pumped by jerky motions which whip the cream progressively as it moves towards a nozzle (16) dispensing the whipped cream. The rear part (7a) of the piston (7) operates with an excentric (4) actuated by a electric motor (2) and exerts oscillations along its longitudinal axis, thus modifying constantly the empty space in a tube (8) surrounding the piston (7). This modification of volume creates a sucking action on the liquid cream to which air is mixed and, at the same time, pumps said mixture by jerky motions towards the nozzle (16) through the holes (17).

Abstract: A dissolution testing machine has a container for a liquid and a holder for pellets, a support for supporting the holder within the container and a drive enabling the holder to be reciprocated via its support so that solvent flushes into and out of the holder.The holder may be a mesh tube, or a solid walled tube, closed at both ends by an apertured member. A set of containers may receive the holder successively, each container containing a solvent of the same or different characteristics.

Abstract: Improvements are provided in machines for processing frozen comestibles of the type in which a frozen comestible is placed in a mixing cup and the mixing cup is moved toward an auger which mixes the frozen comestible into a smooth, soft material. The improvements comprise a chain driven drive for moving the mixing cup toward the auger. Further improvement include spring biased mounting means for mounting the auger of the machine to the drive shaft of the machine. An additional improvement comprises means for circulating cooled air from a freezer located adjacent to the mixing machine through the housing of the mixing machine to cool the mixing cup and the auger.

Abstract: A liquid dispensing system for selectively dispensing a plurality of different liquids includes a separate reservoir for each of the fluids, and a separate nozzle for dispensing each of the fluids. A separate hydraulic dispensing system having a cylinder containing a piston is connected to each reservoir and nozzle for removing fluid from each reservoir and feed the liquid to the respective nozzle. A single hydraulic operation system including a cylinder containing a piston is connected to each dispensing cylinder to selectevely operate the piston in each dispensing cylinder. The piston in the operating cylinder is operated by an electric motor having a threaded shaft, a nut on the threaded shaft and a drive arm of the nut. The drive arm is connected to the piston in the operating cylinder to move the piston a selected distance and thereby dispense a selected amount of liquid from a selected nozzle. Alternatively, the drive arm on the nut can be connected directly to the piston in the dispensing system.

Abstract: In order to fill a container having a check valve with a spontaneously foaming filling material, the latter is introduced through the check valve already mounted at the container. In a piston arrangement as the filling device, filling material to be filled in is sucked into a mixing chamber (65) by means of a metering piston (60), foam gas is injected through the piston rod (58) of this piston, filling material and gas are mixed by means of a mixing piston (56), then forced by means of the metering piston (60) through the check valve into the container. This prevents frothing of the filling material, intermixed with foam gas, at any point in time between mixing and filling. During mixing, slight foaming is desirable in order to increase the absorption capacity for the foam gas.

Abstract: A fluid dispenser has a cradle for holding a container of liquid to be agitated before dispensing in a downwardly inclined position towards the dispensing outlet and includes an arrangement for causing a wave-like motion to the contents of the container. The arrangement can include a rocking mechanism for the end of the cradle remote from the dispensing end or an arrangement for intermittently applying pressure to the wall of the container adjacent the dispensing end. The diminishing contents of the container may be compensated for.

Abstract: A feed device (11) for a continuous mixer (12) for rubber and plastics materials. The feed device comprises a hopper (14) having a reciprocable plunger (16) located in the hopper to force material into the inlet passageway (15) of the continuous mixer. The plunger (16) is rotatable during its retraction and has an archimedian screw portion (17) that feeds material into the inlet (15) during the retraction movement of the plunger.

Abstract: Apparatus for mixing or otherwise agitating fluid material comprises an elongated vessel (1) to contain the material, means (6, 7, 9, 10) to impose oscillatory motion upon the material in a lengthwise direction, and a plurality of stationary obstacles (19, 35) mounted on the inner wall (2) of the vessel and arranged in sequence lengthwise. The obstacles present sharp ridge-form tips (20, 37) each ridge pointing in a direction (30) at right angles to that of the oscillating motion. Each adjacent pair of obstacles and the length of vessel wall between them define a trough-shaped space (26) in which the oscillating motion repeatedly forms vortices and then ejects those vortices vigorously into the remainder of the fluid outside the trough, so promoting the agitation of that fluid. The invention applies particularly to cylindrical vessels in which the obstacles are ring-shaped (19) or are constituted by the successive turns of a helix (35).

Abstract: The device, placed inside of the cartridge, container, tube, etc., makes it possible to maintain two different substances in chambers (6, 7) separate until the moment of use and then makes possible their mixing, and distribution of the mixture from a closeable (3) output opening (2) of cartridge, tube or container (1). The device comprises a membrane (4) easy to perforate or break (10) fastened to a fluidtight peripheral ring (4'). A perforated (13) disk (14) is provided with points (8) or the like for perforating or breaking (10) of membrane (4) at the moment of use. The disk is driven like a piston, by sliding (arrow 12) and/or rotation (arrow 17) of a rod (5) coming in a tight manner from container (1) to allow, by alternating movements, the intimate mixing of the two substances.

Abstract: The pasty components of a multicomponent material are first contained in separate tubular portions (11,12) which, prior to the mixing operation, are assembled together to form a cartridge (10) having a cylindrical inner wall and in which a mixing means is accomodated which consists of a rotationgly driven disk (21) and of a relatively stationary disk (18). Via a rod (29) projecting out of the cartridge (10), disk (21) is drivable by a rotating tool. By reciprocation of the rotating tool, both disks (18 and 21) are moved axially to the cartridge (10). Upon the mixing performed by displacing and redistributing of the materials, the piston (13) is advanced in order to squeeze the mixture out of the cartridge.

Abstract: Apparatus for making molding sand has one or more housings defining upright cylindrical chambers and being movable with reference to a plate-like support to and from positions of register with an aperture in the support. Each chamber is normally closed at its upper end by a closure which has outlets for sand and one or more binder materials (such as clayey matter, pulverulent iron oxide, pulverized wood and/or others), and a rotary propeller is movable axially in each chamber to mix the ingredients in the circumferential direction as well as axially of the respective chamber.

Abstract: A mist supplying device for supplying a film-forming solution to form a thin film on a substrate includes a nozzle having an elongate outlet port, an atomizer coupled to the nozzle for atomizing the film-forming solution, and a disperser movably disposed in the nozzle between the outlet port and the atomizer and having a plurality of substantially uniformly distributed mist passages for passing the atomized film-forming solution in a first flow passage direction therethrough. An air blower is coupled to the atomizer for delivering the atomized film-forming solution into the nozzle. A driver unit is coupled to the disperser for reciprocally moving the mist passages in a second flow passage direction transverse to the first flow passage direction.

Abstract: A mixing and dispensing syringe having a single mixing cylinder loadable at one end with a plurality of different materials to be blended and mixed by static devices, a dispensing nozzel on the opposite end of said cylinder, a piston-like unit axially movable in the cylinder between opposite ends thereof by means of a manually-operable member connected to one end of the unit, whereby, when the unit is positioned nearest the nozzle in the cylinder and the cylinder is loaded with the materials to be mixed, movement of the unit toward the loadable end of the cylinder causes the materials to pass through a mixing device in the unit and into a common chamber or barrel of the syringe to effect partial mixing and when the unit next is moved toward the nozzle by the manual member, the partially mixed materials then pass through the static mixing device in the nozzle and are further mixed incident to being discharged from the syringe.

Abstract: A reactor for accelerating heterogeneous reactions and affording an increased yield rate per unit of time and space comprises a cylindrical reactor tube containing in its interior a piston having relatively flat profiling in its skirt in the form of annular ribs and grooves therebetween, inlet conduits leading into the interior of the reaction tube through the bottom clousre thereof, which may also be introduced from above and extend axially through the piston, an outlet tube is provided in the region of the top closure of the reaction tube, the piston is being connected via a piston rod with a vibrator imparting axial oscillatory movement of the piston, these oscillations generating turbulences in the annular piston grooves which effect a thorough mixing of the reaction participants without causing any noteworthy re-mixing of the resulting reaction products with the starting components.

Abstract: Impeller means (4 and 5) is provided in a container (2) for agitating fluid. The impeller means is movable to effect fluid flow. The impeller means includes an impeller (4) which is separate from a wall portion of the container to a point of which the impeller (4) is connected by supporting means (5). Movement of the impeller means relative to the wall portion is achieved by making the impeller means flexible. A vibrator (6) may be provided to cause movement of the impeller means. The characteristics of the components can be chosen so that when the vibrator is activated the impeller vibrates with a greater amplitude than the wall portion (3). This can be achieved by vibrating the wall portion at a frequency approximately equal to a resonant frequency of the impeller means.

Abstract: A fluent material mixer having a bottom barrel section with a mixed material exit and an upper barrel section from which an operating plunger shaft projects. The two barrel sections contain materials which are separated from each other and are to be mixed together prior to extrusion. A breakable separator is disposed between the barrel sections. A fluent material mixer plate with material bypassing holes defined in it is disposed on and movable through the barrel sections by the plunger shaft. A wiper is detented to position at the upper end of the upper barrel section. The wiper includes a plate without openings through it and it sealingly engages the interior of the barrel sections. A sleeve at the radially inward edge of the wiper wraps around the shaft for sealing against fluent materials moving out of the barrel sections along the shaft.

Abstract: A dispenser for storing, mixing and dispensing two components. A casing contains the first component and has a piston therein. A mixing tube containing the second component is axially housed in the casing and has an open end sealed by the piston until mixing of the two components is desired. The mixing tube has a mixing plate adjacent the open end to agitate and mix the two components. The mixing plate comprises arms extending from the mixing with flapping vanes attached on one side of each arm.

Abstract: A ram casting machine for the fabrication of concrete slabs which is movable on a casting bed. The machine incorporates a feed hopper and a concrete flow channel with ram numbers cyclically reciprocated therein in opposite directions for generating internal pressure in the cast concrete. Each ram member including at least one wedge-shaped surface assembly having first and second inclined annular surfaces, with the entrance to the concrete flow channel and having a steeper inclination than the second inclined annular surface.

Abstract: Liquid phase counter for a partly liquid, transparent mixture. This counter comprises at least one cell containing a transparent liquid mixture, means for homogenizing a mixture, means for the optical measurement of the transparency of the mixture, means for displacing the said means parallel to the cell, means for positioning said means to the right of a cell and an electronic control and processing means determining the number of phases of a mixture as a function of the signal supplied by the optical measuring means.Application to the formation of the phase diagram of a partly liquid, transparent mixture.

Abstract: 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 rotatably driven mixer tool of this type requires the employ of additional gearing, and a sealing assembly for the passage of its shaft through the drum bottom is very complicated and subjected to wear. In accordance with the invention, these disadvantages are avoided by the provision that the mixer tool is adapted to be moved in the axial direction. This permits a cylinder-piston unit to be employed as the drive source for the mixer tool. No gearing is required, and sealing as well as maintenance are simplified.

Abstract: A cavitator comprising a cavitator plate mounted within a container is vibrated by an oscillator comprising a mechanically rotatable eccentric body to provide low frequency high power vibration. A mechanical linkage between the oscillator and the cavitator plate is tuned so that the frequency of oscillation matches the natural frequency of vibration of the linkage. The tuning can be achieved by modifying the length of the linkage or by choosing the necessary properties of the linkage or by varying the frequency of vibration of the oscillator. Various possible linkages include a pipe formed in sections, an elongated beam supported at its nodes, an annular pipe, and a pipe arrangement with overlapping section. The arrangement is of particular advantage when used with complex cavitator plates including vanes, paddles or rods or when using a cage grinder incorporating a plurality of balls for acting upon the material.

Abstract: The invention concerns a device for mixing and dose feeding a product of one or several components.This device comprises a mixing chamber 3 within which is freely mounted a static-type mixing member 7 which thereby can move within the chamber 3 along a predetermined path; this member is associated with return means 9 arranged to repel it in the direction S.sub.2 from the discharge toward the inlets of the chamber; when in motion during the product feed operation, the member 7 permits projecting product doses with high accuracy and without dispersion while also achieving thorough mixing of the product components.

Abstract: A stirring apparatus is disclosed for stirring mortar or the like, wherein foaming is controlled to the minimum, and moreover, satisfactory stirring effects can be obtained.This apparatus has a roof-shaped stirring blade including two plate-like members inclined to each other, each of which is provided therein with a plurality of flow holes, the stirring blade being reciprocated in the mortar tank.

Abstract: Sample collection apparatus is disclosed wherein the preferred and illustrated embodiment includes a cylinder enclosing a piston which defines a storage chamber below the piston. The storage chamber is provided with an inlet in a cylinder head at the lower end of the cylinder. The storage chamber is maintained under pressure by pressurizing the opposite side of the piston. A stirring disc is located in the storage chamber. The stirring disc is in the form of a plate, and it is agitated by a rod connected to it. This stirs the sample to prevent separation into strata of different ingredients. The rod connected to the stirring disc passes through the head at one end of the cylinder and extends from it. In one embodiment, the rod is attached to a small piston which is pressurized in a cylinder to be driven in one direction or the other to stir the sample.

Abstract: An improved spray gun assembly includes a fluid supply container connected to a spray gun and a manually operable trigger for actuating the spray gun, in combination with a motor driven agitator for automatically agitating the fluid contents of the supply container. The agitator is driven by an air motor, and comprises a paddle which is reciprocated in the fluid contents in directions perpendicular to the plane in which it lies.

Abstract: A plasticizer for melting raw plastic feed material and the like includes a pair of resonant beams horizontally mounted on a frame and having a plasticizing chamber defined between a pair of vertically aligned anti-nodes. A pair of pistons projecting from said anti-nodes define movable walls of the chamber which are vibrated by resonantly exciting the beams. Raw plastic feed material held within the chamber may be subjected to relatively high pressure, including a superimposed pressure component imparted by the vibration of the resonant beams. Such pressure and vibration act to melt the raw plastic feed material which may be discharged from the chamber by lowering the uppermost beam to evacuate the chamber.

Abstract: A method for the preparation of drilling mud wherein solid and liquid phases of drilling mud are mixed in a vessel (2) to obtain a homogeneous suspension. After the mixing the drilling mud is caused to pass under pressure through apertures (5 or 6) provided in a stirring member (3 or 4) of a piston type, the apertures being of a diameter which is greater than maximum size of an individual solid phase particle but smaller than the diameter of aggregates of particles, to prepare dispersed drilling mud.

Abstract: A grain cake breaker device is provided for placement within a storage bin to facilitate the removal of grain therefrom. The device includes a support structure having a number of legs which are connected to the storage bin floor at their lower ends. The legs converge together at their upper ends where they are joined with a hydraulic cylinder. The hydraulic cylinder is connected to a shaft which extends downwardly toward the bottom of the storage bin. A plurality of nonrotatable, rigid cutting arms extend outwardly and upwardly from the shaft. When the hydraulic cylinder is powered, the shaft moves in a substantially vertical reciprocal direction so that the cutting arms loosen caked grain when contacted by the cutting arms. The grain then flows to the bottom of the storage bin where it is carried from the storage bin by a conveyor.

Abstract: A continuous press for pressing grapes and other fruit is disclosed. Within the press chamber there is provided a rotatable screw for moving the material being pressed through the chamber. The screw is axially moved, without rotation, against the material where pressing is carried out.

Abstract: A mixing apparatus for continuously preparing pulverous to granular thermoplastic synthetic material. The mixing apparatus includes a tubular, rotatably mounted horizontal container, on the inner surface of which mixing instruments or tools are attached. An inlet and outlet for the material to be mixed are respectively located near the ends of the container. A shaft is rotatably arranged about the axis of the container and extends at least over the entire length of the container. Mixing instruments are likewise attached to the shaft. The mixing instruments, in the region between the inlet and outlet, comprise a plurality of sections of single or multi-threaded worms which extend in the radial direction from the shaft to the inner surface of the container. These sections are adjacent to and spaced from one another, and are alternately mounted to the shaft and to the inner surface of the container.

Abstract: A liquid sample collector is disclosed. It incorporates a cylinder having a piston therein to define a storage chamber. There is an inlet to the storage chamber. In the storage chamber, a stirring plate mounted on a rod agitates the sample to prevent stratification of the sample. It is mounted on a stirring rod which extends all the way through the chamber, the rod passing through a cylinder head at one end of the cylinder and through the piston. It is stirred by reciprocating the stirring rod. The piston is mounted on a piston rod and moves as controlled by a hydraulic system wherein it maintains a desired back pressure on the sample to avoid vaporization. An alternate embodiment is disclosed where both ends of the stirring rod are exposed to pressures which are reduced and equalized to prevent placing a force differential on the piston rod in the stirring device.

Abstract: A device for generating shearing forces in yogurt and other viscous liquids or gels being treated. The device uses a movable plate having openings that diverge at least over part of their length and at least in one axial direction. The diverging openings terminate at one end face of the plate to as to define a plate surface which consists entirely or substantially of intersecting lines formed by the ends of the diverging openings.

Abstract: A mixer for mixing oil and gasoline in a can comprising a mixer disc having a plurality of holes therein, a plunger shaft having its bottom end rigidly connected to the mixer disc, a guide sleeve adapted to be mounted in a mixer opening in the can, a lower spring mounted between the disc and a lower spring stop on the guide sleeve, a handle mounted on the top of the plunger shaft, and an upper spring mounted between the handle and an upper spring stop on the guide sleeve, whereby the handle is pumped up and down, assisted by the springs, to mix oil and gasoline for use in a snowmobile and the like.