Abstract: An individual serving size food dispenser includes a casing defining an interior volume configured for receipt of bulk food. An opening of the casing is positioned proximate a bottom portion of the interior volume. An auger is disposed within the interior volume of the casing. The auger includes a first flighting portion and a second flighting portion. The first and second flighting portions are wound in opposite directions. An auger motor is coupled to the auger such that the auger motor is operable to rotate the auger within the interior volume of the casing. A door assembly is positioned proximate the opening of the casing. The door assembly is configured for selectively opening to dispense bulk food from the opening of the casing.

Abstract: A chip chute for transporting wood chips includes: first, second, third, and fourth planar lateral walls defining an open area having a rectangular cross-section, with an inlet opening configured to receive the wood chips, wherein the first and second planar lateral walls oppose each other and extend in a height (H) direction and a first length (Li) direction, and wherein the third and fourth planar lateral walls oppose each other and extend in the height (H) direction and a second length (L2) direction perpendicular to the first length (L1) direction; a curved bottom wall that is located at a bottom of the planar lateral walls and curves from the first planar lateral wall to the second planar lateral wall; and a cylindrical outlet tube protruding laterally from one of the planar lateral walls and configured to discharge the wood chips.

Abstract: A gravity-feed dispenser for storage and dispensing of bulk material includes a compartment. A gate separates the compartment from a spout. The gate is operable to open and close to selectively permit bulk material to pass from the compartment into the spout. An actuator is movable relative to the spout and mechanically connected to the gate such that movement of the actuator operates the gate to reversibly open and close. Movement of the actuator concurrently reversibly positions the actuator to a dispensing position below a dispensing end of the spout, wherein dispensed bulk material passes through the spout and the actuator.

Abstract: An irrecoverable-waste feeding and metering apparatus for feeding a waste separator, comprising: —a loading hopper having a mixing compartment and a discharge duct which extends between the mixing compartment and a discharge mouth thereof, for discharging material from the latter; —a central auger and two lateral augers; the central auger extending into the discharge duct and into the mixing compartment and the lateral augers are arranged inside the mixing compartment each on one side of the central auger; —a transfer device having a feed channel which has a loading portion and a feeding portion. The transfer device comprises two transfer augers extending from the loading portion along the feed channel and which each have a first helicoid. The first helicoid of a first transfer auger has a direction opposite to that of the first helicoid of the second transfer auger.

Abstract: Disclosed is a mixing chamber apparatus suitable for high-volume sampling (HVS) application. The mixing chamber apparatus includes, among other elements, inlet and outlet manifolds, a mixing chamber, and a tubing manifold for the introduction of clean, turbulent air into the mixing chamber. The inlet manifold defines a plurality of vapor ports that can be in fluid communication with one or more vapor sources to be sampled and mixed within the mixing chamber. Also described herein is a baffled mixing system that can be used alone or in combination with the disclosed mixing chamber apparatus.

Abstract: A spreader device includes a container to contain spread substance, a first spreader portion having a first rotor to spray the spread substance contained in the container, a second spreader portion having a second rotor to spray the spread substance contained in the container, a first driver source to drive the first rotor, a first shaft to transmit a driving force outputted from the first driver source, a second shaft to transmit a driving force outputted from a second driver source different from the first driver source, and a selection transmitter portion to selectively transmit the driving force form the first shaft and the driving force from the second shaft to the first rotor or the second rotor.

Abstract: A doser mechanism includes a cylindrical shell, an auger conveyor, and a check valve. The cylindrical shell includes a hollow cylinder and an end plate. The hollow cylinder at least partially defines an internal enclosure extending between first and second ends of the hollow cylinder, a first opening at the first end, and a second opening through a thickness of the hollow cylinder. The end plate covers the second end. The auger conveyor includes an auger at least partially extending through the internal enclosure through the first end. The check valve has a valve member configured to selectively cover the second opening. The check valve may cause the valve member move between a rest position and an open position to cover or expose the second opening in response to a magnitude of a force applied to the valve member from the internal enclosure through the second opening.

Abstract: A powder conveying device includes an inflow portion, a discharge portion, and a conveying screw. Powder flows into the inflow portion from outside of the powder conveying device. The powder flows out from the discharge portion to the outside of the powder conveying device. The conveying screw includes a shaft and conveys the powder from the inflow portion to the discharge portion in a conveying direction. A surface portion of the shaft at at least one of an upstream end or a downstream end of the shaft in the conveying direction, in at least one of the inflow portion or the discharge portion has a lower friction with the powder than another surface portion of the shaft at a position other than the at least one of the upstream end or the downstream end.

Abstract: A transfer assembly for attachment to a front portion of an agricultural vehicle, i.e. forage harvester, and a method of use are disclosed. The transfer assembly includes a frame, a pump and an air compressor, along with appropriate drive mechanisms. The agricultural vehicle has an engine and drive mechanisms including a first driven pulley. The pump is connected to the first driven pulley through second and third driven pulleys. The pump is secured to the frame and has a fluid inlet and a fluid outlet. A transfer pipe routes the fluid or manure away from the pump and has a coupling connected to its second end. The coupling enables a flexible hose to be attached to it so that the fluid or manure can be directed to another location, such as onto a field. The transfer assembly also includes a control mechanism for operating the pump, air compressor, etc.

Abstract: An artificial joint is provided. The artificial joint may comprise: a first joint member including a first bone replacement part, and a (1-1)st branch and a (1-2)st branch branched from opposite sides of the first bone replacement part; a second joint member including a second bone replacement part, and a (2-1)nd branch and a (2-2)nd branch branched from opposite sides of the second bone replacement part; a first main string connecting one side of the (1-1)st branch and one side of the (2-1)nd branch; a second main string connecting the one side of the (1-1)st branch and one side of the (2-2)nd branch; a third main string connecting one side of the (1-2)st branch and the one side of the (2-1)nd branch; and a fourth main string connecting the one side of the (1-2)st branch and the one side of the (2-2)nd branch.

Abstract: An electric stretch film dispenser includes a frame and a power unit. The frame has a top seat and a bottom seat. The top seat and the bottom seat are jointly provided with a film mounting unit and a film dispensing unit. The film dispensing unit has a first roller and a second roller. The first roller is connected with a first power drive unit. The first power drive unit is configured to drive the first roller to rotate. When in use, the film of a film roll is pulled due to different rotational speeds of the first roller and the second roller. Thereby, the electric stretch film dispenser can automatically generate tension when used, so it can be used to pack articles at different heights. The electric stretch film dispenser facilitates the application of the film and increases the tension of the film.

Abstract: A device for grinding, loading and forming smoking articles has a grinding unit. A holding chamber is removably coupled to the grinding unit. A cone holding section is positioned within the holding chamber. A rotational device is coupled to the grinding unit and the cone holding section, wherein the rotational device rotates the grinding device and moves the cone holding section in an up and down manner within the holding chamber.

Abstract: The present invention relates to a dosing device for a product in powder form, comprising a holder (10) intended to hold a first quantity of the product therein. The holder is provided with dosing means to draw off the product from the holder and move it to an outlet. The dosing means comprise a worm body (20) with a worm thread (21). In a first aspect the worm body comprises at an outer end facing toward the outflow opening at least one further worm thread (22) which runs between the first worm thread (21). In a second aspect the worm thread (21) encloses a smaller volume between successive turns at a base than between successive turns in a part thereof located further toward the outer end.

Abstract: In the field of mixing rubber mixtures, the invention is directed to a rotor (100) for use in an internal mixer having a mixing vessel in which the rotor rotates, the rotor having one or more blades (104), each blade having a tip (104a) with a profile having a predefined curvature; and an anti-wear device detachably fixed to the tip (104a) of at least one blade, the anti-wear device including a plate (110) with a profile defined by a lower surface (112) with a curvature complementary to that of the tip 104a and an upper surface (114) with a curvature complementary to that of a wall of the vessel to define, between them, a zone of minimum distance that allows passage of the mixture between the plate (110) and the wall of the vessel. The invention is also directed to an internal mixer having at least one mixing vessel in which the disclosed rotor (100) rotates.

Abstract: The present application relates to a system for evacuating fluid from a flexible container. The system includes a spout connected to a flexible container. A passageway within the spout is in fluid communication with an inside of the flexible container, and the passageway has a top end and a bottom end. An evacuation facilitating structure is positioned proximate the bottom end of the passageway and has a fluid channel therethrough. The evacuation facilitating structure blocks portions of the wall of the flexible container from entering the bottom end of the passageway and preventing fluid from evacuating the container via the passageway.

Abstract: An ice dispensing system is provided. The system includes multiple sidewalls forming an ice bin cavity configured to store ice. The system further includes an auger drive assembly. The auger drive assembly includes a drive assembly that is coupled to one of the multiple sidewalls and has a motor configured to rotate a drive gear. The auger drive assembly further includes an auger assembly positioned within the ice bin cavity. The auger assembly includes a helical auger coupled to an auger gear. The drive gear is configured to mate with the auger gear to drive rotation of the helical auger and cause ice to be dispensed through an ice chute. The drive assembly is additionally configured to move relative to the auger assembly between a closed position and an opened position. The opened position permits removal of the auger assembly from the ice bin cavity.

Abstract: A dispensing unit for dispensing liquid material includes a hollow reservoir for accommodating a syringe and having an elongated nipple at one end of the reservoir, a piston including a shaft disposed therein, and a bracket adapted to receive the nipple of the reservoir and the piston. The reservoir nipple provides a fluid path for liquid material dispensed from the syringe supported in the reservoir. The bracket receives the nipple of the reservoir such that the fluid path for the liquid material is oriented towards a nozzle disposed in the bracket. The nipple also has holes disposed near an end thereof, and the bracket is adapted to receive the piston oriented with respect to the reservoir nipple such that the shaft of the piston is aligned with the holes in the nipple and the nozzle. The shaft is displaceable through the holes in the nipple towards the nozzle.

Abstract: An injection unit for an injection molding machine includes a cylindrical body rotatably supported in a housing interior for rotational coupling with a plasticizing screw. The cylindrical body is fixed to rotate with the plasticizing screw about an injection axis. A gear train in the housing includes a central gear mounted about, and fixed to rotate with, the cylindrical body, the central gear having an uppermost extent vertically above the injection axis and opposed first and second lateral extents on horizontally opposed sides of the injection axis. A rotary drive for powering rotation of the plasticizing screw includes a first motor having a first motor shaft rotatable about a first motor axis, the first motor axis parallel to the injection axis, the first motor axis at a first elevation below the uppermost extent of the central gear, and laterally outboard of the first lateral extent of the central gear.

Abstract: In one example, a detachable adapter to adapt a drive shaft on a printer to a drive mechanism on a toner cartridge and to transmit rotation of the drive shaft to the drive mechanism. The adapter includes a cylindrical part having a first end and a second end opposite the first end, the first end configured to detachably receive and engage an end of the drive shaft so that the part will rotate with the drive shaft when the part is attached to the drive shaft, and a driver mounted to or integral with the second end and configured to drivingly connect the part to the drive mechanism on the toner cartridge when the part is attached to the drive shaft and the toner cartridge is installed in the printer.

Abstract: A crop unloader having a frame, an unloader tube mounted to the frame, a driven gear fixed to the unloader tube and having driven teeth extending radially from a first axis, a drive gear mounted to the frame and having drive teeth extending radially from a second axis and extending to mesh at an engagement location with the driven teeth during rotation of the drive gear about the second axis, and a motor operable to rotate the drive gear to rotate the driven gear to move the unloader tube between a first position about the first axis and a second position about the first axis. The teeth form a tapered gap at the engagement location, the tapered gap extending from an upper end to a lower end and being larger at the lower end than at the upper end. An agricultural combine having the crop unloader is also provided.

Abstract: An agricultural harvester includes an auger assembly including an auger having an auger shaft defining an axis of rotation and a fighting carried by the auger shaft, the auger being configured to rotate the fighting in a sweeping path about the axis of rotation and convey cleaned crop material toward the crop material elevator; an auger trough placed adjacent to the auger to hold crop material in the sweeping path; and an auger cover held above the sweeping path that is configured to direct flung crop material toward the auger and/or the auger trough.

Abstract: An injection device includes a spline supporting member rotatably supporting a spline shaft and attached to a pressure plate, and a nut supporting member rotatably supporting a spline nut and attached to a rear plate. The spline supporting member is provided with a spline positioning mechanism for adjusting the mounting position of the spline supporting member. The nut supporting member is provided with a nut positioning mechanism for adjusting the mounting position of the nut supporting member. The spline supporting member and the nut supporting member are formed with holes for axial-center checking, rods being inserted through the holes.

Abstract: A method for providing material to a gasifier. The method comprises providing a feedstock. A flow of the feedstock is formed. The flow is then delivered to a gasifier such that it provides a substantially airtight seal to the gasifier.

Abstract: A material dispensing pump includes a drip prevention system and method so as to avoid undesired dripping of the dispensed fluid. In one example, the fluid path is sealed. Positive pressure is applied to the fluid during a dispensing operation to present the fluid to the auger-style pump at a desired rate. Between dispensing operations, or when dispensing is completed, the fluid is placed in suspension, for example by applying a negative pressure, thereby preventing the fluid from being inadvertently released at the dispense tip. In addition, following a dispensing operation, the pump dispensing controller can be programmed to reverse the rotation of the feed screw, in order to draw the material in a reverse direction and to further suspend the fluid.

Abstract: A feed transport trailer with a low center of gravity is particularly useful for transportation of particulate material. A storage vessel is attached to a frame assembly which is lower than the attachment point on a tractor. The storage vessel has a central low conveyor mechanism that extends to the rear of the trailer and is used for unloading. The conveyor extends beyond rear axles that have center depressed areas to allow the vessel and conveyor to be located close to the ground.

Abstract: A material dispensing pump includes a drip prevention system and method so as to avoid undesired dripping of the dispensed fluid. In one example, the fluid path is sealed. Positive pressure is applied to the fluid during a dispensing operation to present the fluid to the auger-style pump at a desired rate. Between dispensing operations, or when dispensing is completed, the fluid is placed in suspension, for example by applying a negative pressure, thereby preventing the fluid from being inadvertently released at the dispense tip. In addition, following a dispensing operation, the pump dispensing controller can be programmed to reverse the rotation of the feed screw, in order to draw the material in a reverse direction and to further suspend the fluid.

Abstract: An improved undercounter ice dispenser is disclosed that has a multiple piece auger made in sections for moving ice from the dispenser bin to its ice chute. The auger ice chute invention includes a sensor to reduce ice jamming and to detect when the ice chute is filled or needs filling and works in conjunction with a paddle on the auger to help make the transition. Proportional size ice quantities may also be selected via an interface and auger control.

Abstract: An apparatus for accurately dosing moist smokeless tobacco includes a dosing assembly and a dosing air source. The dosing assembly defines a loading chamber and a dosing chamber for containing a quantity of moist smokeless tobacco material. The dosing assembly also includes a discharge opening communicating with the dosing chamber. The dosing air source communicates with the dosing chamber and is operable to deliver compressed air to the dosing assembly so as to move moist smokeless tobacco material from the dosing chamber to the discharge opening. A method of pouching moist smokeless tobacco includes placing a predetermined quantity of moist smokeless tobacco in a dosing chamber having a predetermined volume, and ejecting the predetermined quantity of moist smokeless tobacco to pouching apparatus using compressed air.

Abstract: A method and a device for producing a thin article or a thin coating on a previously manufactured solid body. At least two reactive polymer materials are mixed together thoroughly and die resultant mixture is discharged via a nozzle in the form of a thin tube. This thin tube is pulverized or atomized by means of the introduction of a controlled flow of pressurized air with the result that die pulverized mixture may be sprayed onto an open mold or onto a surface or onto a previously manufactured solid body which is to be coated.

Abstract: A dispensing apparatus for gravity feeding of a dispensable product includes containing means and dispensing means. The containing means is adapted to contain the dispensable product and is operatively connected to the dispensing means whereby the dispensing means includes a chute means. Rotation of the chute means can cause the dispensable product to be able to be dispensed.

Abstract: The invention relates to a device (10) for the metered filling of bulk material having a metering screw (16), which is arranged in a hollow cylinder shaped metering tube (12) and which can be slid in a longitudinal axis (L) of the metering tube (12), having a closing head (18) for closing a metering opening (14), wherein the closing head (18) has a substantially conical surface (20) and the metering tube (12) transitions after the metering opening (14) into a hollow cylinder shaped mouthpiece (32) having a larger inner diameter (DMi) compared to the inner diameter (dRi) of the metering tube (12).

Abstract: The invention relates to a metering device for supplying devices such as, for example, extruders, injection molding machines or the like with bulk materials such as pellets, chips, granules, powders, flakes, grains, flour or the like, having a housing. It is demonstrated how an optimally smooth passage of such bulk materials through such a metering device is possible without there being any possibility of nests forming and throughflow being hindered in the feed channel.

Abstract: A material dispensing pump includes a drip prevention system and method so as to avoid undesired dripping of the dispensed fluid. In one example, the fluid path is sealed. Positive pressure is applied to the fluid during a dispensing operation to present the fluid to the auger-style pump at a desired rate. Between dispensing operations, or when dispensing is completed, the fluid is placed in suspension, for example by applying a negative pressure, thereby preventing the fluid from being inadvertently released at the dispense tip. In addition, following a dispensing operation, the pump dispensing controller can be programmed to reverse the rotation of the feed screw, in order to draw the material in a reverse direction and to further suspend the fluid.

Abstract: A dosing apparatus for the delivery of a substance in discrete form comprises a conveying element in which the discharge end thereof is a close fit in a discharge bushing thereby to ensure that the correct dosage of substance is discharged on a consistent basis. At least a portion of the conveying element located adjacent the discharge wall has a sharp edge for an easy breaking of larger particles of the feeding substance to ensure accurate dosage.

Abstract: An apparatus for dispensing granulated powder, such as a fine sugar or sweetener, which uses an auger driven by a gear motor. The gear motor is controlled by a control unit on the front of the dispenser, allowing a user to select the quantity of powder to be dispensed. The apparatus comprises at least one, preferably two dispensing assemblies within the chassis, each comprising a storage bin for the powder, an inclined base, an auger member abutting the base of the storage bin and a dispensing chute. The base of the storage bin is inclined positively toward to the orifice of the dispensing chute, thereby ensuring that the powder is dispensed at a constant rate with minimized dribbling.

Abstract: A feeding device, particularly for feeding powdered materials into a device processing the same, in particular an extruder, the feeding device including a housing with a receiving region for receiving the material, which is movable laterally over at least one flexible wall, which is movable by at least one moving mechanical element acting thereon, wherein the element is movable along the wall. The wall exterior has bumps, is moved via the element, and/or the element is non-round in its motion.

Abstract: A dispensing device may include a main body including a wall having a dispensing mouth defined in the wall; a storage portion, wherein the storage portion is retained by the main body; and a conveyance path providing communication between the storage portion and the dispensing mouth. In addition, the dispensing device may include a conveyor disposed in the conveyance path; a drive motor mechanically coupled to the conveyor; and a sensor, wherein the sensor is directly or indirectly electrically coupled to the drive motor and the sensor is in optical communication with the environment proximate to the dispensing mouth.

Abstract: A method and apparatus are provided for administering micro-ingredient feed additives to animal feed rations. The apparatus may be referred to as a system which includes a number of discrete components which cooperate together to ultimately deliver micro-ingredients to a desired location, such as a feed mixer containing a feed ration. Structure is provided for storing, measuring, dispensing, and conveying the micro-ingredients. Measuring of the micro-ingredients may be achieved by loss in weight, gain in weight, or volumetric metering methods. Transport by a liquid carrier such as water may be achieved by providing one or a plurality of conveyance pumps connected to a transport line. The system is operated by a control unit which controls components of the system to achieve delivery of specified amounts and types of micro-ingredients to the feed ration.

Abstract: A dispensing apparatus, which is capable of delivering precise quantities of a liquid product less than one mm3 in size, includes a drive mechanism, a housing made up of at least two input channels coupled to a chamber made up of a first portion and a second portion. First and second component liquids are delivered via the first and second input channels respectively to the chamber and the first and second input channels are disposed so that interaction is hindered between the first component liquid and the second component liquid in either input channel. At least one feed screw with a helical thread is disposed in the chamber such that when the at least one feed screw is rotated by the drive mechanism the first and second component liquids are mixed to form a liquid product and the feed screw rotation also discharges the liquid product from the chamber.

Abstract: A topping dispenser includes a refrigerated cabinet for storing one or more toppings therein. An automated dispense mechanism operates to dispense predetermined amounts of the topping from the cabinet, using a weighing system to measure the appropriate amount.

Abstract: A viscous liquid material discharging method and apparatus can minimize the problem of wear of a sealing member due to friction, and minimize a rotational force required at the time of starting discharge of a highly-viscous liquid material. The apparatus includes a screw having a helical blade which is axially provided over a surface of a rod-like member, a rotation driving mechanism for rotating the screw, a main body having a screw insertion bore in which the screw is inserted, a liquid material supply port formed in a lateral side of the screw insertion bore, and a liquid material supply flow passage communicating with the liquid material supply port, a sealing member which is disposed in the screw insertion bore and through which the screw penetrates, and a nozzle mounted to the main body and communicating with the screw insertion bore.

Abstract: A dispensing device may include a main body including a wall having a dispensing mouth defined in the wall; a storage portion, wherein the storage portion is retained by the main body; and a conveyance path providing communication between the storage portion and the dispensing mouth. In addition, the dispensing device may include a conveyor disposed in the conveyance path; a drive motor mechanically coupled to the conveyor; and a sensor, wherein the sensor is directly or indirectly electrically coupled to the drive motor and the sensor is in optical communication with the environment proximate to the dispensing mouth.

Abstract: A medicine dispensing device has a device body (1), shelf members (2) arranged in the vertical directions in the device body (1), and a medicine conveyance member (3) for conveying medicines (D), received in the shelf members (2), on one by one basis from the front face side of the device body (1). A shelf member (2) has cassettes (26) in which medicines (D) are received in line, a pusher (31) for pushing the medicines in the cassettes (26) toward the front face side of the device body (10), and a constant load spring (32) for applying a constant load to the medicines (D) received in the cassettes (26) through the pusher (31). To fill the cassettes (26) with the medicines (D), the shelf member (2) can be pulled out from the front face side of the device body (1) and then positioned by pivoting the shelf member (2) so as to face obliquely downward.

Abstract: Disclosed are embodiments of a powder filler system incorporating a pair of symmetrical agitators within a hopper, containing powder and having an upper cylindrical portion and a lower funnel portion. Each agitator includes: a first bar extending from the top of the hopper to a tubular section of the funnel portion; a second bar connected to the first bar and extending towards an interface between the upper cylindrical and lower funnel portions of the hopper; a third bar connected to both the first and second bars such that it is approximately parallel to an angled sidewall of a conical section of the funnel portion; and vertically oriented and angled fins connected between the second and third bars. Agitators configured in this manner maintain the powder at an essentially uniform density within the hopper; move the powder towards the auger such that cavitations/starvations are avoided; and ensure a steady discharge flow.

Abstract: Disclosed herein is a device for quantitatively supplying a liquid in a plasma sterilization system. The device includes a quantitative cylinder, a quantitative piston and a quantitative basket. The quantitative cylinder includes a quantitative inlet pipe, which is configured such that the outlet of a liquid container is inserted thereinto, and a liquid in the liquid container is vertically supplied to the quantitative cylinder, and a quantitative outlet pipe, which is configured such that the liquid is vertically drained from the quantitative cylinder. The quantitative piston is configured to rectilinearly reciprocate in the quantitative cylinder, and is provided with a quantitative transfer depression, which is formed in the leading end thereof to a predetermined depth. The quantitative basket is configured to quantitatively receive the liquid according to the rectilinear reciprocation of the quantitative piston.

Abstract: Pneumatic particulate material fill systems and methods are disclosed. A particulate material fill system includes a cyclone separator having an inlet adapted to receive pneumatically conveyed particulate material. The cyclone separator has a first outlet adapted to vent air and a second outlet adapted to discharge solids. The particulate material fill system includes a tank adapted to receive solids discharged from the cyclone separator via the second outlet. The tank is adapted for use at atmospheric pressure.

Abstract: The invention relates to a device (10) for the metered filling of bulk material having a metering screw (16), which is arranged in a hollow cylinder shaped metering tube (12) and which can be slid in a longitudinal axis (L) of the metering tube (12), having a closing head (18) for closing a metering opening (14), wherein the closing head (18) has a substantially conical surface (20) and the metering tube (12) transitions after the metering opening (14) into a hollow cylinder shaped mouthpiece (32) having a larger inner diameter (DMi) compared to the inner diameter (dRi) of the metering tube (12).

Abstract: There is provided a paste application device which can solve problems of an increased exclusively occupied space attributed to an arrangement of a syringe and of deterioration of a tube. In a paste application unit 15 (a paste application device) for applying a paste 7 stored in a syringe 16 to an application target material, a configuration is adopted in which a pump mechanism 18 for sending the paste 7 under pressure is formed by causing a discharge thread portion 32b provided at a lower portion of a rotary member 32 to rotate about an axis AX within a discharge space 31b provided in a casing portion 31, in which a discharge port 17a, which communicates with the discharge space 31b, is provided at an end portion of the casing portion 31, and in which the syringe 16 is disposed coaxially with the rotary member 32 for detachable connection thereto.

Abstract: A pneumatically driven powder feeder system which is partly disposed within a municipal sewer for the purpose of providing periodic dispersal of wastewater treatment powder. A pneumatic source apparatus is disposed outside the sewer and provides a pneumatic source regulated by a solenoid valve control system. A pneumatically driven powder feeder apparatus is disposed in the sewer and is connected to the pneumatic source by a feed line. In response to periodic delivery of the pneumatic source to the pneumatically driven powder feeder apparatus, the powder is delivered to the wastewater of the sewer.

Abstract: A material dispensing pump includes a drip prevention system and method so as to avoid undesired dripping of the dispensed fluid. In one example, the fluid path is sealed. Positive pressure is applied to the fluid during a dispensing operation to present the fluid to the auger-style pump at a desired rate. Between dispensing operations, or when dispensing is completed, the fluid is placed in suspension, for example by applying a negative pressure, thereby preventing the fluid from being inadvertently released at the dispense tip. In addition, following a dispensing operation, the pump dispensing controller can be programmed to reverse the rotation of the feed screw, in order to draw the material in a reverse direction and to further suspend the fluid.