Abstract: An apparatus for surface treatment of articles comprises a plurality of trays (4) each carrying one or more piece-holding spindles (3). A primary transport assembly (19) removably engages the trays (4) to transfer them according to a step-by-step motion between a plurality of stopping locations (A . . . J) distributed along the movement path (P), along which respective work stations (12, 13, 14, 15) operate. At least one additional transport assembly (31a, 31b) withdraws each tray (4) from the primary transport assembly (19) at one of said stopping locations (A . . . J), for moving it at one of said work stations (12, 13, 14, 15), and engaging it again with the primary transport assembly (19).

Abstract: A lubricant/sealer dispenser is disclosed for a component press-in system that includes a pressurized lubricant/sealer reservoir filled with lubricant/sealer. A nozzle is supplied with lubricant/sealer from the reservoir and includes an offset tip formed of PTFE that is enclosed in a steel tube. A controller controls a motor that rotates the nozzle within an opening in a part at a selected depth. The motor rotates the nozzle about a fixed axis and follows an inner surface of the opening as the part is moved by a robot relative to the nozzle in a selected pattern. The nozzle applies the lubricant/sealer by applying the lubricant/sealer onto the inner surface of the opening.

Abstract: A method for controlling a recirculation pump assembly is disclosed. The method includes receiving a process-dependent characteristic and determining a recirculation flow rate of adhesive that flows to the recirculation pump assembly based on the process-dependent characteristic. The method further includes determining a recirculation pump speed of the recirculation pump assembly for pumping the adhesive to a supply channel using the recirculation flow rate, and adjusting an operating speed of the recirculation pump assembly to match the recirculation pump speed. A system and storage device for performing the above method are also disclosed.

Abstract: Calibrating a plurality of fluid sensors of a remote metering system is disclosed. The system includes a material supply device including a main pump and a main flow sensor for monitoring an output of the main pump. The application system also includes a remote metering system for receiving the material flowing from the material supply device and applying the material to substrates. The remote metering system includes a first applicator assembly including a first applicator and a first flow sensor for monitoring an output of the first applicator, and a second applicator assembly including a second applicator and a second flow sensor for monitoring an output of the second applicator. The remote metering system further includes a controller in signal communication with the remote metering station and the material supply device. The controller performs a first and second calibration operations on the first and second flow sensors, respectively.

Abstract: Customized, three-dimensionally printed constructs useful for promoting tissue repair and methods of preparing the same are provided.

Abstract: In one aspect, a system for applying painted surface markings to roads, parking lots, fields and/or any other suitable surfaces is disclosed. The system may include a plurality of valves and associated spray nozzles mounted onto and/or within a manifold, with each valve being individually controllable in order to regulate the flow of paint being dispensed from the spray nozzles. For instance, a controller may be coupled to each valve in order to control the opening and closing of such valve, thereby controlling the flow of paint supplied to the corresponding spray nozzle. In addition, information regarding the surface marking to be applied (the design, dimensions, orientation, geographical location, etc.) may be stored within and/or received by the controller. The controller may then control each valve such that paint is applied to the surface to be marked via the spray nozzles in a manner that creates the desired surface marking.

Abstract: A method for producing a coated material having an oxidizable metal-containing coating, including the step of applying to a base material (11) an oxidizable metal-containing coating fluid containing a particulate oxidizable metal, a carbon component, a thickener, and water using a coating apparatus (1) and a coating fluid preparation step in which a thickener solution prepared by dissolving the thickener in water, the particulate oxidizable metal, and the carbon component or an aqueous dispersion of the carbon component are put and mixed in a preparation tank (3) to prepare the oxidizable metal-containing coating fluid. In the coating fluid preparation step, the particulate oxidizable metal is added to the thickener solution.

Abstract: Disclosed is an energy curable coating composition for roll coating, a product, and continuous process of applying the energy curable coating composition to a substrate. The energy curable coating composition has a substantially constant viscosity and includes an energy curable resin having plurality of texturing particles suspended therein. The substantially constant viscosity of the energy curable coating composition remains at least less than about 1500 centipoise at approximately 15° C. to approximately 40° C., during recirculation, in a coating pan, and prior to application using a roll coating apparatus. The plurality of texturing particles provide a predetermined texture to a cured energy coating composition. The continuous process of applying the energy curable coating to a substrate allows the process to continuously operate until the energy curable coating composition is depleted from the container.

Abstract: A dense phase powder coating system includes a powder supply, dense phase pump, a spray gun and a diverter valve that can be used to select between conveying powder to the spray gun or circulating the powder back to the powder supply. The diverter valve may include two pneumatically actuate valve members. In one embodiment, the powder spray gun applies powder coating material to inside surfaces of a tubular container. A spray nozzle concept also is presented having a nozzle body with a conical deflector. The spray nozzle provides an uninterrupted flow between spray nozzle outlet holes and a deflector surface. The deflector may be integrally machined with the nozzle body to provide a one piece spray nozzle.

Abstract: An apparatus for printing a conductive ink onto a plastic panel including an articulatable arm having an end that opposes a surface of the panel. A nozzle is mounted via a nozzle height actuator to the end of the arm, and the nozzle is coupled to a source of conductive ink. A flow regulator, coupled to the ink source, regulates the flow rate of ink out of the nozzle and is controlled by the controller. A height sensor is configured to output a height signal relative to the surface and the controller, which is coupled to the arm, the flow regulator, the nozzle height actuator and the sensor, is configured to control the arm, flow regulator, nozzle height actuator, and speed of nozzle movement such that a conductive trace of predetermined height and width is applied to the substrate.

Abstract: A robot coating system (1) includes a robot moving unit (21) which makes a robot (11) having a coating gun (12) successively move to a plurality of planned coating positions, a readying pressure imparting unit (22) which drives a pump (13) of the coating gun before reaching the planned coating positions and imparts to the viscous material a predetermined readying pressure without coating the viscous material, a coating executing unit (23) which executes coating work of the viscous material by a predetermined flow rate over a predetermined coating time when the coating gun has reached a planned coating position, and a post-coating stopping unit (24) which continues the coating work to make the pump stop after the end of the work when executing the coating work and a stop command of the robot is issued.

Abstract: A substrate coating device is provided which is capable of reducing non-uniform film thickness areas that take place in a coating start portion and a coating end portion during coating using a slit nozzle coater. The substrate coating device (10) includes at least a slider driving motor (4), a pump (8), a delivery state quantity measuring section (82), and a control section (5). The slider driving motor (4) scans a slit nozzle (1) over a substrate (100) at an established velocity relative to the substrate (100). The pump (8) controls the supply of the coating liquid to the slit nozzle (1). The delivery state quantity measuring section (82) is configured to measure a state quantity indicative of a delivery state of the coating liquid from the tip of the slit nozzle (1).

Abstract: A system for creating a wood like appearance on a synthetic component including a sales client device, a network, computer instructions for creating a work order, a tray with scannable tray identifier to hold a synthetic component, a production client device connected to the network with computer instructions for applying a base coat, a glaze, and a top coat to the synthetic component as it automatically moves on a conveyer system a portion of which is connected to the production client device. A scannable tray identifier with a plurality of sensors link the tray identifier to the work order for authenticating and validating the location of the tray on the conveyor system, or initiating an alerting device. The system has a plurality of temperature control environments to simultaneously control heating of the synthetic component while spraying, drying and UV curing with spray treatment device.

Abstract: A powder spraycoating method and powder spraycoating equipment. A dense phase powder pump is used. According to a predetermined conveying-air function in a control unit, different rates of compressed conveying air can be defined for different powder rates. In one predetermined total-air function in the control unit, the sum of total-air rate composed of the rate of compressed conveying air and of the rate of supplemental compressed air can be kept constant even if the rate of compressed conveying air changes.

Abstract: A vacuum processing system includes a transfer chamber configured to form a vacuum atmosphere through which a target object is transferred. A transfer mechanism is disposed in the transfer chamber and configured to transfer the target object. A process chamber is connected to the transfer chamber through a first gate valve and configured to perform a process on the target object within a vacuum atmosphere. A first exhaust port is formed in a bottom of the transfer chamber at the foot of the first gate valve. A first gas exhaust section is connected to the first exhaust port and configured to exhaust gas inside the transfer chamber.

Abstract: A vacuum system for semiconductor fabrication. The system includes a vacuum chamber for performing a semiconductor fabrication process, a vacuum source, and a piping system fluidly connecting the vacuum chamber to the vacuum source. In one embodiment, the piping system is configured without a horizontal flow path section of piping. In some embodiments, the piping system includes a first piping branch and a second piping branch. The first and second piping branches preferably have a symmetrical configuration with respect to the vacuum source. In yet other embodiments, the first and second piping branches preferably each include a throttle valve.

Abstract: A powder spraycoating control system and its combination with a powder pump or with a powder spraycoating unit. The control system contains an controller programmed to alternatingly operate a powder spraycoating unit in turn containing an injector serving as the powder pump or a powder spraycoating unit containing a dense phase powder pump serving as the powder pump.

Abstract: A method for dispensing a foamed material onto a substrate surface, including: generating a relative movement between the substrate surface to be coated and an exit opening of a material dispensing apparatus, mixing at least two material components in a mixing device to provide a free-flowing, foamable dispensing material, generating a pressure differential between the mixing device and the dispensing region located downstream in the direction of flow from a discharge cross-section of the exit opening, conveying the dispensing material from the mixing device for the dispensing material to the exit opening, and discharging the dispensing material from the exit opening onto the substrate surface. The dispensing material be kept under such a pressure in the region adjacent to and upstream from the discharge cross-section of the exit opening that the dispensing material in this region has a foaming rate that is less than 10% of the foaming rate which ensues at the end of the foaming process.

Abstract: An apparatus, method and computer program product for modifying a surface of a component is provided. In use, a surface of a component is translated relative to at least one jet for a period of time to form a plurality of features thereon.

Abstract: A process system includes a plurality of processing modules each processing a substrate with a process liquid. There is disposed a dispensing mechanism that dispenses the process liquid to the vertically arranged modules. The dispensing mechanism is provided with a process liquid supply source, and pumps corresponding to the respective processing modules. Each pump temporarily stores therein the process liquid which has been pressure-fed through a riser piping from the process liquid supply source by a pressing apparatus, and delivers the process liquid from an outlet. There are disposed nozzles each having a discharge port and discharging the process liquid to the corresponding processing module. Delivery pipings connecting the outlets of the pumps with the discharge ports of the corresponding nozzles have identical length to each other.

Abstract: The invention concerns a coating plant for the coating of construction units with a coating medium, in particular a paint system for the lacquer finish of motor vehicle body parts, with a dosing pump, the coating medium supplied with a certain delivery (Fm) proportioned, and a pressure control valve arranged upstream before the dosing pump to adjust a coating medium pressure (p v) at the entrance of the dosing pump, as well as a control unit to adjust the pressure control valve a controlled variable of the pressure difference (?p) through the dosing pump independently of the delivery of the dosing pump and the changing viscosity of the lacquers to an essentially constant desired value (?pTARGET).

Abstract: A pumping system that accurately dispenses fluid using a pump, including reducing the error in the amount of a fluid a pump dispenses by correcting for the compliance of a dispense system.

Abstract: An object is to provide a chemical solution application apparatus capable of applying a chemical solution evenly and without irregularity by a spin coating method. A plurality of nozzles are provided for applying a chemical solution to an application object that is fixed over a stage. Each of the nozzles is individually mobile in vertical and horizontal directions. For this reason, controlling a discharging point or pattern is possible, and application responding to a wider viscosity range of chemical solutions is possible. By implementing the present invention, a chemical solution application apparatus equipped with a discharging method of a chemical solution by which a coating film having a small film thickness distribution over an entire substrate and an even thickness can be obtained, as well as for which use efficiency is improved by cutting down on waste of a chemical solution to be discharged.

Abstract: A dispensing device (4) for charging underfill agent into a gap between a substrate (K) and a chip (C) includes means for storing underfill agent (66, 67), a chamber (52) provided for containing substrate (K) to be charged with underfill agent and capable of being opened/closed, a dispenser (73) provided in the chamber (52) and discharging underfill agent introduced from the storing means (66, 67) into the gap between the substrate (K) and the chip (C), and a first pressure reducing means (46) for reducing the pressure in the chamber (52) at a predetermined vacuum pressure prior to the discharge of underfill agent by the dispenser (73). The dispensing device (4) can supply underfill agent with no bubbles to the substrate (K). A mounting system using this dispensing device (4) is also provided by the invention.

Abstract: A liquid adhesive dispensing system operable for more uniformly applying liquid adhesive foam onto moving substrates, notwithstanding changes in line speed, adhesive liquid flow rates, or foaming/atomizing air pressures. The illustrated liquid adhesive system includes a header having a plurality of air atomizing spray guns; the spray guns each having a respective variable speed positive displacement pump for directing a metered quantity of liquid adhesive from a liquid adhesive supply to the respective spray gun; and a control for controlling the operating speed of the positive displacement pumps in relation to the speed of the moving substrate and the foaming/atomizing air pressure to the spray guns in relation to the operating speed of the positive displacement pumps. The control further is operable for monitoring pressures across the positive displacement pumps for insuring the accurate direction of metered quantities of liquid to the spray guns.

Abstract: A process system includes a plurality of processing modules each processing a substrate with a process liquid. There is disposed a dispensing mechanism that dispenses the process liquid to the vertically arranged modules. The dispensing mechanism is provided with a process liquid supply source, and pumps corresponding to the respective processing modules. Each pump temporarily stores therein the process liquid which has been pressure-fed through a riser piping from the process liquid supply source by a pressing apparatus, and delivers the process liquid from an outlet. There are disposed nozzles each having a discharge port and discharging the process liquid to the corresponding processing module. Delivery pipings connecting the outlets of the pumps with the discharge ports of the corresponding nozzles have identical length to each other.

Abstract: A system for controlling the coating width of an electrode plate, The system includes: a coating device which ejects a paste at a predetermined width from each of a plurality of slit nozzles toward a fed core substrate to form a coating layer on the surface of the core substrate; a gap controlling device which controls the gap between the slit nozzles of the coating device and the core substrate; a coating width measuring device which measures the width of the coating layer on the surface of the core substrate; and a controlling unit which controls the gap controlling device based on the results obtained by comparing the measured coating width with a predetermined coating width. In this system, the stripe-shaped coating layer is formed without using a masking tape, and the width of the coating layer is controlled with high accuracy.

Abstract: Embodiments of the invention include a system and method for color-coating an optical fiber. The system includes a flow controller that controllably delivers and mixes color concentrate from one or more color concentrate reservoirs with a coating material, which colored coating material is fed to a coating die through which optical fiber passes. The color concentrate reservoirs are more compact and can be made portable along with the flow controller. Thus, the entire color coating system can travel to any appropriate location in the fiber manufacturing facility, e.g., at any one of a number of draw towers. Such portability allows many different colors to be used at the same draw tower much more easily than conventional arrangements, which typically only have one color line per draw tower. The method includes providing an optical fiber, controllably delivering color concentrate with a coating material to a coating die, coating the optical fiber with the coating die, and curing the coated fiber.

Abstract: Fluid dispensing apparatus uses positive displacement of the fluid for accurate metering of the quantity of liquid applied to a surface. Positive displacement includes a metering volume that is filled and emptied so that each cycle corresponds to an accurate volume of material dispensed independent of viscosity. In one embodiment, a positive displacement pump is used with a variable speed air motor. The air motor drives the pump. A variable output air regulator supplies air pressure to run the air motor based on a position signal. A profile may be used to relate position with motor speed and to control quantity to be dispensed.

Abstract: A coating process method in which a coating liquid is discharged onto the surface of a target substrate to be processed while rotating the target substrate so as to expand the coating liquid radially outward on the target substrate and, thus, to form a coated film comprises the step of detecting that the actual discharging of a coating liquid from a coating liquid discharging nozzle is started, and the step of controlling based on a signal of the detection at least one of the driving timing of a pump for allowing the coating liquid to be discharged from the coating liquid discharging nozzle, the operation timing of a valve mounted to a pipe for supplying the coating liquid into the coating liquid discharging nozzle, and the rotation starting or stopping timing of the target substrate.

Abstract: The system includes a nozzle, a drive, a metering pump, a supply of material and a controller. The nozzle dispenses material into contact with one or more surfaces of a window sash. The drive relatively moves the nozzle with respect to the window sash along a path of travel defined by a perimeter of the window sash at controlled speeds. The metering pump delivers the material to the nozzle at controlled volumetric rates that correspond to the controlled speeds of relative motion between the nozzle and the sash. The supply of material delivers the material to the metering pump. The controller controls the relative motion between the window sash and the nozzle and controls the flow rate of material dispensed by the nozzle.

Abstract: A liquid crystal dispensing apparatus includes a container to contain liquid crystal, a discharge pump, and a nozzle to dispense liquid crystal from the discharge pump onto a substrate. The discharge pump has a separably formed case, a cylinder received in the case, a piston inserted into the cylinder and having a groove at a lower portion such that the piston draws in and discharges liquid crystal by rotating and moving up-down, and a suction opening and a discharge opening through which liquid crystal is to be respectively drawn in and discharged as the piston is moved.

Abstract: A liquid crystal dispensing system includes a liquid crystal material container to contain liquid crystal, the liquid crystal material container provided with a first code corresponding to liquid crystal information; a reading unit to read the recognition code; a discharge pump to draw in and discharge liquid crystal from the liquid crystal material container; and a nozzle to dispense liquid crystal from the discharge pump onto a substrate.

Abstract: A method and an apparatus for producing an adhesive tape are disclosed in which an adhesive tape is produced while a liquid reservoir is almost hermetically sealed by bringing a blade into contact with an upper laminate roller, and supplement of adhesive to the liquid reservoir is controlled so that the liquid surface of the adhesive reserved in the liquid reservoir comes into contact with the back face of the blade.

Abstract: A robotic pen includes a computer numerically controlled machine having a multiaxis stage for mounting a workpiece, and a cooperating elevator which translates relative thereto. A pen tip is rotatably mounted to the elevator. And, a dispenser is joined in flow communication with the pen tip for ejecting a stream of material atop the workpiece as the workpiece moves relative thereto for maintaining a substantially constant gap between said pen tip and the workpiece during relative movement therebetween.

Abstract: A method and apparatus for achieving a level exposed surface of a viscous material pool for applying viscous material to at least one semiconductor component by contacting at least a portion of the semiconductor component with viscous material within a reservoir. A level viscous material exposed surface is achieved by using at least one mechanism in association with the reservoir. The mechanism is configured to level the exposed surface of viscous material and maintain the exposed surface at a substantially constant level. The reservoir may be shaped such that the exposed surface of viscous material is supplied to a precise location.

Abstract: A chemical pump includes a pressure chamber, a partition member for dividing the pressure chamber into a cleaning pressure chamber and a discharging pressure chamber, a filter part disposed on the primary side of the discharging pressure chamber, and a single drive mechanism. A pair of openings with respective check valves mounted therein are provided in each of the cleaning and discharging pressure chambers, and are positioned so as to cause a resist solution to flow only in the +Z direction. The drive mechanism moves the partition member in the ?X direction to cause the resist solution to be sucked into the cleaning pressure chamber and to cause the resist solution to be discharged from the discharging pressure chamber.

Abstract: A minute quantity viscous material dispenser employing a pressurized material source and a reciprocating piston is driven by a variable drive which is controlled in response to a signal reflective of piston position and wherein the drive can be controlled for direction, stroke distance, speed, acceleration, and force and wherein the drive is coupled to the piston through a quick disconnect.

Abstract: The invention provides an apparatus and methods for depositing materials on a substrate, and for performing other selected functions, such as material destruction and removal, temperature control, imaging, detection, therapy and positional and locational control. In various embodiments, the apparatus and methods are suitable for use in a tabletop setting, in vitro or in vivo.

Abstract: An apparatus for applying powder coating material onto large objects such as automotive, truck or other vehicle bodies includes a powder spray booth defining a controlled area within which to apply powder coating material onto the vehicle bodies, a powder kitchen located at a remote position from the powder spray booth, and, a number of feed hoppers located proximate the booth which receive powder coating material from the powder kitchen and supply it to automatically or manually manipulated powder spray guns associated with the booth. Oversprayed powder coating material is removed from the booth interior by a powder collection and recovery system which transmits the oversprayed powder back to the powder kitchen for recirculation to the powder spray guns.

Abstract: An electrical cable coating apparatus provides a coating layer on an outer surface of an electrical cable which is moving along a predetermined direction. A coating liquid jet unit jets a given amount of a coating liquid at regular intervals to provide a coating layer on the outer surface of the electrical cable. A storage device stores a pattern for depositing the coating liquid on the outer surface of the electrical cable. A detection device determines the moving speed of the electrical cable, and a control unit controls the coating liquid jet unit to jet a coating liquid to deposit the coating liquid on the outer surface to define the pattern based on the electrical cable moving speed.

Abstract: A method and apparatus for achieving a level exposed surface of a viscous material pool for applying viscous material to at least one semiconductor component by contacting at least a portion of the semiconductor component with viscous material within a reservoir. A level viscous material exposed surface is achieved by using at least one mechanism in association with the reservoir. The mechanism is configured to level the exposed surface of viscous material and maintain the exposed surface at a substantially constant level. The reservoir may be shaped such that the exposed surface of viscous material is supplied to a precise location.

Abstract: A photoresist supply apparatus is provided. The photoresist supply apparatus includes a lower photoresist sensor and an upper photoresist sensor respectively installed near the bottom and the top of a trap tank to detect a photoresist in the trap tank. A drain line is connected to an upper side of the trap tank to release air. A photoresist-blocking valve is installed at the drain line, the photoresist-blocking valve structured to be opened to release air or closed to prevent photoresist loss according to signals detected by the lower photoresist sensor and the upper photoresist sensor. While the photoresist is supplied into the trap tank, the photoresist-blocking valve is opened to release air. After the photoresist supply into the trap tank is completed, the photoresist-blocking valve is closed to prevent the loss of a large amount of the photoresist through the drain line.

Abstract: A machine for automatically applying lane dressing travels up and down the lane to apply dressing according to a certain predetermined and preselected pattern. A single dispensing head travels back and forth across the lane as the machine moves linearly along the lane so that dressing is transferred to a buffer brush that engages the lane surface and applies the dressing thereto. The oil pattern is determined by actuation and deactuation of the dispensing head as it traverses the lane, such control of the head being provided by a special pattern control device in the nature of a cylindrical pattern tube that extends alongside the path of travel of the dispensing head. A sensor on the dispensing head detects pattern structure on the control device to responsively actuate and deactuate the head. In a preferred form, such structure takes the form of a series of metallic strips extending parallel to the path of travel of the dispensing head and spaced circumferentially around the periphery of the pattern tube.

Abstract: The present invention is a film forming unit for discharging a coating solution from a coating solution discharge nozzle toward a substrate to form a layer on a surface of the substrate, which has a supply flow path for supplying a cleaning fluid to a discharge flow path continuing to a discharging port of the coating solution discharge nozzle. When the cleaning fluid is positively supplied directly to the discharge flow path of the coating solution discharge nozzle, the supply pressure of the cleaning fluid as well as the capability of cleaning is added. Therefore, further effective cleaning is attained in compare with the conventional case where a coating solution discharge nozzle is simply dipped into a cleaning fluid. In consequence, even when the discharging port of the nozzle is minute, it is possible to perfectly remove the contamination. This allows the discharge pressure to remain constant so as to form a uniform coating layer on the substrate.

Abstract: A highly-viscous-fluid applying apparatus including a fluid supply device operable to supply a highly viscous fluid, a delivery nozzle from which the highly viscous fluid is delivered, a pump disposed between the fluid supply device and the delivery nozzle and operable to feed the highly viscous fluid received from the fluid supply device, to the delivery nozzle, and a pump control device operable to control the pump, for controlling an amount of delivery of the highly viscous fluid to be delivered from the delivery nozzle.

Abstract: A method is disclosed for providing a steady transition state for an integral pneumatic dispensing system that is related to a robot. The method dispenses a single material using a pneumatic dispensing system having a single output including first and second shotmeters having first and second meters, first and second encoders and first and second pressure transducers. The method includes the step of loading the first shotmeter with the material. Once loaded, a pressure is applied to the material. The material is then dispensed out of the first shotmeter by forcing the material through the single output. Once the material in the first shotmeter is dispensed to a predetermined volume, the method begins to transition the flow of material from the first shotmeter to the second shotmeter. The transition includes the control of the volume being dispensed and the pressure applied to the material.

Abstract: An apparatus for controlling a speed of a motor of a metering pump providing pressurized fluid at a dispensing gun. The dispensing gun is opened and closed to dispense fluid onto a substrate being carried by a conveyor past the dispensing gun. The apparatus has a pressure control producing first motor speed signals as a function of changing speeds of the conveyor and changing fluid pressures in the dispensing gun when the dispensing gun is open. A flow control produces second motor speed signals as a function of the changing speeds of the conveyor. During changes in conveyor velocity, a motor speed control provides the first motor speed signal to the pump motor which operates the motor at speeds causing the pump to provide fluid to the dispensing gun at pressures changing at a rate tracking a rate of change of the speed of the conveyor.

Abstract: A liquid output portion is arranged above and moves relative to a semiconductor substrate with determined film formation and non-film-formation regions. The liquid output portion continuously outputs a liquid in a constant amount to the substrate. Below the liquid output portion is a liquid shut-out-portion. A liquid controlled to spread in a constant amount is continuously output from the liquid output nozzle to the substrate. While the nozzle and the substrate relatively move, the liquid is supplied to a first region, and the liquid is supplied to a second region in such a way that the liquid supplied and spread in the second region is in contact with the liquid supplied and spread in the first region. Where projections and depressions are formed on the surface of the substrate, an amount of the liquid supplied varies depending upon the ratio between the projections and depressions.

Abstract: A process and system for applying an adhesive to a core during the production of rolled paper products is disclosed. The system of the present invention is generally directed to the use of pumping devices that meter out constant volumetric amounts of an adhesive onto a core through a plurality of adhesive applicators simultaneously. The systems includes, for instance, a positive displacement pump system in which a fluid at substantially constant pressure is fed to a pumping device for dispensing the adhesive to a plurality of adhesive applicators in constant volumetric amounts.