Abstract: A shower head having a plurality of nozzles capable of attachment to a flexible shower arm. The shower head has a unique nozzle construction that allows for the manipulation of an external flexible nozzle to remove mineral deposits and has an internal, rigid nozzle structure for efficiently forming an aesthetically pleasing water stream. The shower head may have two available flow configurations which are selectable by a valve.

Abstract: A window/lens cleaning device (1), in particular for a motor vehicle, having a nozzle appliance (2) for spraying cleaning fluid, the nozzle appliance being mounted in an adjustable manner on a holding part (3). The holding part is formed as a nozzle cap (3) which surrounds the nozzle appliance (2) multilaterally and within which the nozzle appliance (2) can be adjusted.

Abstract: An epoxy application system and method for applying an epoxy having particulate constituents to an optical component including an epoxy reservoir, an applicator, and an actuator mechanically connected to the epoxy reservoir, the actuator operable to periodically invert the epoxy reservoir. A timing circuit is provided in one embodiment to periodically invert the epoxy reservoir. A vacuum device of one embodiment vacuums excess epoxy. Another embodiment of the epoxy application system includes an energy source for providing UV energy through a light guide. One embodiment further includes a UV light energy detector to measure UV light energy emitted through the light guide and a controller to determine a cure time based on the measured UV light energy. In another embodiment, a monitoring system such as a camera is provided to ensure provision of the UV light energy for the determined cure time.

Abstract: A cleaning device for a jet pump nozzle in a nuclear reactor. The cleaning device includes a tubing section having a first end, a second end and a mid-section between the first end and the second end, a pole adapter coupled to the tubing section at the mid-section, and a hydrolaze head assembly coupled to the first end.

Abstract: A nozzle device includes a housing (1) having an inlet for a fluid and an orifice for spraying out a firm jet of fluid (38), which orifice is delimited by two or more members, at least one of which is movable relative to the other one between a first position in which the orifice has a minimal cross-section area in order to spray out the fluid in a firm jet in a forward direction from the housing, and a second position in which the orifice is widened in order to be flushed clean by a coarse stream of fluid. A cap (2) is arranged in front of the orifice, the cap having two or more shield walls (16, 17) in which there are holes (20, 21) through which the firm jet of fluid (38), but not the coarse stream of flushing fluid, may pass.

Abstract: A spraying method of a dispense system for preventing residue, wherein a precise amount of stream fluid is supplied from a fluid supply through a main tube to a nozzle, and the precise amount of stream fluid is sprayed onto a surface of a wafer. A sub-tube system, which comprises a bypass valve and a pin hole is utilized to refill the fluid to a void. A metering valve is used as a suck-back system to retrieve the remaining fluid in the main tube and prevent residue from occurring.

Abstract: In a spray gumming unit, a gumming device is equipped with an ejector that sprays an adhesive substance and that is connected with a shutter element. The shutter element moves towards and away from the ejector between a position where it closes the ejector and in which a pad, fixed to one end of it, is in contact with the ejector, and a position where the ejector is left open. During the movement of the shutter element and of the pad between the ejector open and closed positions, an applicator applies an antiadhesive liquid substance on the pad.

Abstract: The present invention relates to a method of fumigating closed systems susceptible to microbially influenced corrosion (MIC). The method is particularly useful in a method for mitigating MIC in fire protection sprinkler systems.

Abstract: A fuel injector for fuel injection systems of internal combustion engines has an actuator and a valve needle actuatable by the actuator, which valve needle is in turn coupled to, and actuates, a valve closing body. The valve closing body and a valve seat surface of a valve seat body form a sealing seat. At least one injection opening is formed in the valve seat body, and an elastic vibration element penetrates the injection opening. The elastic vibration element is attached on the inlet side of the injection opening and leaves a portion of cross-section of the injection opening free.

Abstract: A main body (12) of a rotary atomizing head is provided with a hub fitting groove (13) on and around an inner peripheral surface (12F), while a hub member (14) is provided with a lid portion (15) of a circular disc-like shape, a plural number of leg portions (17) to be brought into fitting engagement with he hub fitting groove (13) through resilient deformation, and notched grooves (18) provided between the respective leg portions (17). Upon pushing in the hub member (14) against the main body (12), the leg portions (17) are fitted into the hub fitting groove (13) and the hub member (14) is mounted in position on the main body (12). In this assembled state, channel-like paint passages (19) are formed between the hub fitting groove (13) and the notched grooves (18), and an annular paint passage (20) is formed between the inner peripheral surface (12F) and the lid portion (15).

Abstract: The invention relates to a nozzle device including a housing (1) having an inlet for a fluid and an orifice for spraying out a firm jet of fluid (38), which orifice is delimited by two or more members, at least one of which is movable relative to the other one between a first position in which the orifice has a minimal cross-section area in order to spray out the fluid in a firm jet in a forward direction from the housing, and a second position in which the orifice is widened in order to be flushed clean by means of a coarse stream of fluid. According to the invention, a cap (2) is arranged in front of the orifice, said cap having two or more shield walls (16, 17) in which there are holes (20, 21) through which the firm jet of fluid (38), but not the coarse stream of flushing fluid, may pass.

Abstract: A gas jetting nozzle is used for etching an object to be etched by jetting etching gas onto the object from the gas jetting nozzle. A gas jetting pipe for jetting an etching gas and a suction pipe for discharging the jetted gas are provided to have a coaxial dual pipe structure. The etching gas is jetted from the gas jetting pipe toward the object for etching and, at the same time, excess etching gas for reaction is discharged through the suction pipe.

Abstract: A fuel injector for fuel injection systems of internal combustion engines has an actuator and a valve needle actuatable by the actuator, which valve needle is in turn coupled to, and actuates, a valve closing body. The valve closing body and a valve seat surface of a valve seat body form a sealing seat. At least one injection opening is formed in the valve seat body, and an elastic vibration element penetrates the injection opening. The elastic vibration element is attached on the inlet side of the injection opening and leaves a portion of cross-section of the injection opening free.

Abstract: A spray tip assembly for airless paint sprayer guns incorporates a tip having multiple nozzles, each of which may be used independently. For one embodiment of the invention, the shaft of the spray tip assembly incorporates a pair of spaced apart nozzles and a handle at each end, one of which is removable for insertion into a bore of a spray tip assembly housing. The bore that extends through the housing so as to permit the shaft to axially slide between first and second positions, each of which is limited by one of the handles. For a second embodiment of the invention the shaft of the spray tip assembly incorporates multiple spaced apart nozzles and a handle at one end thereof. The shaft also incorporates a spring-loaded detent ball which, in combination with a plurality of spaced-apart annular or semi-annular grooves in the housing bore, serves as a shaft locator for each of the nozzles. The nozzles may be unclogged by reversing them.

Abstract: A device for the cleaning of a liquor spray nozzle assembly of a soda recovery boiler which includes a liquor supply conduit (3) inserted through an opening (10) in a wall (11) of the soda recovery boiler, which conduit has a mouth (6) from which a plate (8) for distribution of liquor protrudes, more precisely from a lower part of the mouth. The device comprises a scraper element (2) which is movable reciprocally along side edges on the distributing plate (8) by a power generator (12) mounted in a supporting stand (13). The scraper element (2) comprises a U-shaped clamp (25) with a bottom piece (26) located under the distributing plate (8) as well as two side pieces (27), which are mutually spaced-apart with a distance which in the main corresponds with the width of the distributing plate.

Abstract: A dirt-resistant bearing system for a sprinkler unit with a rotatable turret having a central shaft extending into a support channel formed within an inner housing. The central shaft may be formed with a relatively upper shaft portion and a relatively lower shaft portion, and the support channel may be formed with an upper channel region and a lower channel region. A first bearing and sealing assembly may be fitted substantially around an outer perimeter of the upper shaft portion and in communication with the upper channel region, and a second bearing and sealing assembly may be fitted substantially around an outer perimeter of the lower shaft portion and in communication with the lower channel region. Another aspect of the invention provides a sprinkler head with a fitted serrated seal assembly. The fitted seal assembly may include an outer case having an interior region, and a pop-up sprinkler head turret mounted on a riser sleeve slidably mounted within the interior region of the outer case.

Abstract: Apparatus for maintaining a vehicle screen (12) supported with respect to a vehicle by a gasket (16, 24), said screen (12) comprising first (22) and second (27) edge regions wherein said gasket (16, 24) has a first conduit (20) means having an opening (21) proximate to said first edge region (22) and second conduit (25) means having an opening (26) proximate to said second edge region (27) and wherein the apparatus further comprises supply apparatus coupled to said first conduit means (20) for supplying a liquid thereto and collection apparatus coupled to said second conduit (25) means for collecting said liquid.

Abstract: A spray head assembly for attaching to an industrial robot having an overload protection device coupled to a changer with an attached spray head body with a common nozzle supply and a plurality of nozzles selectively attached to the common nozzle supply. Each of the plurality of nozzles is selectively rotated into position and may provide a different spray pattern depending upon the application. The spray head assembly is compact and suited to working in tight spaces, and in particular spraying the interior of cavities. The present invention is particularly applicable to applying an anticorrosion wax to the inside of automobile or car body cavities.

Abstract: A shower head generally comprising a backing plate, a diaphragm and a cover plate. The rear surface of the backing plate includes a receptacle for receiving a conduit through which pressurized water may be directed to an aperture extending through the backing plate. The front surface of the diaphragm has a plurality of nipples extending outwardly therefrom with each nipple having longitudinal bore extending therethrough. The cover plate has a plurality of holes extending therethrough for receiving the nipples on the diaphragm such that the cover holds the diaphragm against the front surface of the backing plate. Pressurized water delivered through the aperture causes an outward deflection of the diaphragm away from the backing plate allowing water to be expelled through the bores in the nipples.

Abstract: A dispensing machine for the metered delivery of fluid products, especially painting products. The dispensing machine includes a dispensing head with a nozzle, and the ends of a plurality of delivery ducts communicate with the dispensing head in order to feed a plurality of fluid products thereinto. A mixing device, in particular a rotating turbine, is mounted between the ends of the delivery ducts and the dispensing nozzle to continuously mix the fluid products coming from the different delivery ducts and simultaneously entering the dispensing head.

Abstract: A base compound supply passage and a hardener supply passage supply a base compound and a hardener, respectively, fed under pressure from first and second color changing valve mechanisms to a coating gun. The base compound supply passage and the hardener supply passage have respective first and second gear pumps, and first and second pressure control valves for controlling the base compound and the hardener to be supplied under given pressures to the first and second gear pumps. Two liquids, i.e., the base compound and the hardener, can be supplied reliably at desired rates to the coating gun, and mixed and discharged at a desired mixing ratio.

Abstract: Liquid to be atomized is supplied from a wick to the underside of a vibrating orifice plate which pumps the liquid up through atomizing orifices in the plate and ejects the liquid from is upper side; and liquid which is pumped up through the orifices in an elevated region of the plate, but which has not been ejected, is directed back down through larger openings in a lower region of the plate. The liquid also flows back onto the wick which places the liquid in capillary communication along the underside of the plate with the atomizing orifices for reputing and ejection.

Abstract: An automatic coating apparatus which is arranged to guarantee higher operational reliability, particularly to preclude coating defects as caused by malfunctioning of a cartridge gripper (56) or by the use of an non-replenished or deficiently replenished paint cartridge. A cartridge gripper assembly (55) is constituted by a gripper member (56) with gripper claws for gripping a paint cartridge (25), a grip detector switch (67) which is adapted to detect whether or not the paint cartridge (25) is securely gripped by the gripper. (56), and a replenishment level detector switch (68) which is adapted to detect whether or not the paint cartridge (25) is replenished with paint to a predetermined extent. Therefore, as the paint cartridge (25) is gripped by the cartridge gripper (56), the grip condition on the paint cartridge (25) can be monitor by the grip detector switch (67).

Abstract: A machine (10) that can clean and spray coat the inside of a hollow pipe (14) can contain a support bar (16) and associated motors (6 and 8) with a moveable carriage (12) which mounts a thermal spray coating device (28) and/or an abrasion cleaning/profiling head (30) where a programmable controller external to the pipe is capable of controlling the motors (6 and 8).

Abstract: In a cleaning nozzle, a trumpet-shaped portion made up of multiple inclined portions or a curved portion is formed upstream of a minimum diameter portion of an ejection nozzle portion of a converging-diverging shape, and a gas ejection port is opened to an intermediate part of the trumpet-shaped portion. Inside the gas ejection port is formed a cleaning liquid ejection port. A gas is ejected at a higher speed than that of a cleaning liquid from the cleaning liquid ejection port to transform the cleaning liquid into droplets, which are further accelerated by a tapered portion formed downstream of the minimum diameter portion before being ejected. A small amount of liquid may be supplied to a pressurized gas passage between a powder injection portion and the cleaning nozzle to prevent a possible clogging of passage due to powder.

Abstract: A system for flushing an airless sprayer essentially reverses operation such that the spray gun is immersed in a container of water or other solvent and that fluid is pulled through the pump and flushed through the normal inlet tube. The preferred embodiment attaches a fluid bar to the front of the spray gun to redirect the fluid for flushing. This reverse flushing action allows quicker flushing using less fluid.

Abstract: Disclosed is a method for servicing a lawn sprinkler head removed from a sprinkler system. Included within a servicing kit is a controller that may be used to regulate the flow of water through the sprinkler head remotely from the sprinkler system, a plug to secure the hole in the sprinkler system from where the sprinkler head was removed, a spacer that may be used to retain the nozzle of the sprinkler head in the deployed position, and a cleaning tool that may be used to dislodge debris from the nozzle water exit perforations. Other features are disclosed.

Abstract: A reversible airless spray tip is provided with a housing for mounting to the front of a spray gun, a sealing saddle insertable into the housing, a seal associated with the saddle and a rotatable cylinder having a handle and containing an airless tip. The cylinder is insertable in the housing and has a protrusion on said cylinder for engaging and releasably retaining said seal for insertion into said housing.

Abstract: A flush plug is provided for temporarily sealing an outlet at an upper end of an irrigation sprinkler riser extensible from an outer housing. A cap is configured to substantially cover the outlet of the riser. The cap has an output orifice dimensioned to reduce the flow of water from the riser a sufficient amount so that the riser will move to an elevated position under normal operating pressure. The cap is configured so that it can be temporarily connected to the upper end of the sprinkler riser. A shut-off flap is pivotally connected to the cap for covering and uncovering the output orifice. A lever is connected to the shut-off flap and is configured and located to engage an upper end of the sprinkler housing when the riser moves to a retracted lowered position. This positively moves the shut-off flap so that it covers the output orifice in the cap. When the riser moves to the elevated position the lever is no longer engaged with the upper end of the sprinkler housing.

Abstract: A rotary bell cup for atomizing particulate material such as paint includes a generally conical overflow surface having a generally constant flow angle defining a radially inward central axial opening and a radially outward atomizing edge with a bevel. A central flat portion is disposed between the conical overflow surface and the radially inward central axial opening. A deflector having a deflection surface of generally rotational symmetry is disposed in front of the central opening having a rear flat surface generally parallel to the central portion and a rear conical surface generally parallel to the conical overflow surface.

Abstract: The injector comprises a tip having at least one outlet orifice (7) for fuel delivered to an engine combustion chamber. A ceramic coating (14) is deposited on the external face of the tip, preferably in a kink (12) bounding a recess in this external face, at least around and immediately downstream of the outlet orifice (7) relative to the direction in which the fuel is delivered. This invention is applicable to fuel injectors with a ceramic coating to protect against deposits of carbon oil for use with spark-ignition and direct injection internal combustion engines.

Abstract: This method, offering quiet, pollution-free cutting, consists in emitting at least one pressurized jet of water which is directed at and moved over the vegetation to be cut, the pressurized jet or jets of water being themselves the cause, by mechanical reaction, of their movement, in particular their rotary movement. The cutting device that puts this method into effect comprises means for supplying water at pressure, and a rotating head provided at its periphery with at least one nozzle through which a cutting jet of water is ejected, the jet or jets of water generating, by reaction, rotation of the head and therefore of the jet or jets themselves. This device may be in the form of a portable appliance.

Abstract: Process for covering a surface (1a) of a substrate (1) with a layer (2) of a fluid material, characterized in that: (a) with a confining wall (3) closed up on itself, arranged some distance from and above the surface to be covered (1a), and whose lower edge (3a) forms together with the latter a peripheral void (4), is defined a treatment chamber (5) delimiting an area (6) to be treated on the said surface to be covered; (b) a controlled vacuum is established inside the treatment chamber (5) by admitting an incoming gas stream (7) via the peripheral void (4), and by extracting an outgoing gas stream (8) from the treatment chamber, so as to obtain an internal pressure in the said chamber which is lower than the external pressure; (c) a controlled fluid stream (10) is introduced into the treatment chamber (5) under vacuum, this stream comprising the fluid covering material, which forms at the level of the peripheral void, together with the incoming gas stream (7), a turbulent mixed flow, which is aspirated into

Abstract: A flame spray system employs splatter blocking and automated rod delivery apparatuses. The splatter blocking apparatus includes a barrier member and an actuation mechanism. The barrier member is adapted to be moved between a blocking position in which the barrier member is extended across a spray path from a flame spray gun of a flame spray system preventing travel of particles of fusible material from the flame spray gun to a product being coated and an unblocking position in which the barrier member is displaced from the spray path of the flame spray gun permitting travel of particles fusible material from the flame spray gun to the product being coated. The actuation mechanism is connected to the barrier member and adapted to be selectively actuated to move the barrier member between the blocking and unblocking positions.

Abstract: By provision of paint cartridges of different colors which are detachably mounted on a coating system, the paint can be changed from one color to another in a multi-color coating operation without necessitating to discharge residues of a previous color. The paint cartridge of each color is replaceably mounted on a housing. Each cartridge is provided with a paint valve (46) which functions to communicate and shut off a paint supply passage in a feed tube. In addition, a thinner valve which serves to communicate and shut off a thinner passage on the housing is provided either on the side of the housing or on the side of the cartridge. These arrangements make it possible to cope with multiple color changes on one coating system. Since both of the paint valve and thinner valve are opened and closed by spray-on and spray-off command signals, respectively, the paint spray can be turned on and off immediately in response to these command signals.

Abstract: The present invention relates to an apparatus designed to apply cleaning fluids to all types of surfaces and to apply those fluids to vertical, horizontal, angled, and overhead surfaces. The apparatus is designed so that it is able to glide easily over uneven or irregular surfaces. This is possible, in part, because the section of the washing apparatus that dispenses the cleaning fluid is kept in a spaced relationship to the surface being cleaned by the pressure of the cleaning fluid. The apparatus of the present invention includes a spraying unit, a support assembly and a bottom control unit. The spraying unit includes a housing, a swivel, and a spray bar having nozzles rotatably connected the housing. The support assembly includes an adjustable pole hingedly connected to the spraying unit at one end. The bottom control unit includes a base that is hingedly connected to the pole at its other end. At least one high pressure fluid line is connected to the spray bar.

Abstract: The present invention provides a mixing block for mixing fluid components of a multi-component system and which includes at least two component inlets, wherein each component inlet receives a respective component or components of the multi-component system; and a solvent inlet, wherein the solvent inlet receives solvent for use in cleaning the mixing block. The mixing block further includes at least two flow channels, which intersect, wherein an upstream end of each of the intersecting flow channels is connected to at least one of the component inlets and a downstream end of each of the intersecting flow channels is connect to a mixed material reservoir, wherein the mixed material reservoir is further connected to and supplies mixed material to an outlet.

Abstract: A slurry dispenser dispensing slurry by a pair of counter-rotating wheels is provided in a chemical mechanical polishing process used in manufacturing integrated circuits. The slurry dispenser is driven by variable speed motors at a predetermined speed empirically determined to dispense a desired amount of slurry. The shape of the rotating wheels controls the vertical distribution of the spray. Openings in the housing of the slurry dispenser and the speed of rotation of the wheels controls the horizontal distribution of the spray. The slurry dispenser can be constructed out of materials chemically inert with respect to the slurry.

Abstract: Oscillating disk devices for drip irrigation systems, heap leach mining systems, industrial cleaning high pressure washer or emulsifying systems are provided. The devices include an upper body portion having an inlet defining an intake passageway and a lower body portion having a discharge outlet defining a discharge opening and passageway. A disk (or disk combined with a spring) is positioned in a chamber between the upper and lower body portions. During the oscillation cycle, the disk oscillates with great energy at a low to medium frequency. This mechanical oscillation may be used to flush out irrigation or heap leach mining drippers and lines, and to create shock waves or mechanical vibrations that can be used for industrial cleaning applications, increase efficiency of high pressure water and mix or emulsify solutions.

Abstract: A device for filling containers, particularly packaging containers such as cardboard packaging containers, on the packaging container, comprises a feed part and a closing part. To prevent the dripping of the substance distributed into the packaging container on the area around the fill opening the feed part is equipped with outlets which form an angle with the center axis of the feed part so that the upper ends of the outlets separate from each other. In the lower end of the feed part, the angle position of the outlets causes the liquid flows from different outlets to unit into one flow of liquid which, if necessary, can be fed into a container even through a small fill opening.

Abstract: A liquid spraying apparatus according to the present invention comprises a spray tank which stores an image forming solvent, a nozzle plate which is provided as a portion of the wall surface of the spray tank, and has a plurality of nozzle holes formed thereon for spraying the image forming solvent, and which can spray the image forming solvent from the plurality of nozzle holes through a reciprocating movement, and a water repelling layer which is provided on the internal periphery of the nozzle holes of the nozzle plate and repels the image forming solvent.

Abstract: The invention concerns a process for fitting a gas-injecting nozzle in the wall of an installation. The process is characterized in that an external supporting surface (11) whose shape matches the so-called internal supporting surface (12) of the passage (6) provided in the bedding brick is associated with the nozzle (2); the nozzle is placed opposite the passage (6) in the bedding brick: the nozzle (2) is moved in axial translation so as to adjust the position thereof along the longitudinal axis of the passage and move the front face of the nozzle into a desired initial position; the nozzle is locked in this desired initial position; and, at least periodically, the nozzle is inserted further forwards into the passage in the bedding brick in order to compensate the wear in the front face of the nozzle. The invention can be used to prevent clogging, such as in a cement producing plant.

Abstract: A cleaning apparatus having a pan-shaped housing used to clean horizontal surfaces, such as a floor, conveyor belt and the like. Mounted on the top of the housing is a spinner assembly having a tubular shaft rotatably mounted therein carrying tubular arms located within the housing. Cleaning fluid flows through the spinner assembly into the arms and is discharged through nozzles having orifices mounted on the ends of the arms. A bolt threaded into a connector attaching one of the nozzles to an arm is adjustable to regulate liquid flow rate through the connector to adjust the speed of rotation of the arms. A flexible skirt attached to the bottom of the housing has a lower edge spaced a short distance above the surface to concentrate and prevent dissipation of the cleaning fluid. A three position valve controls the flow of water and disinfectant liquid through the cleaning apparatus.

Abstract: Disclosed is an apparatus for forming a coating film for semiconductor processing, including a holder for holding a substrate, a coating solution supply device arranged to face one main surface of the substrate held by the holder and provided with a discharge port for supplying a coating solution onto the one main surface of the substrate, the coating solution forming a band-like stream having a width smaller than that of the substrate, a moving device for moving the coating solution supply device in parallel and relative to the substrate held by the holder to form a coating region and a non-coating region on the one main surface of the substrate, and a clearance retaining device for maintaining constant the distance between the discharge port of the coating solution supply device and the one main surface of the substrate.

Abstract: The present invention provides a spray nozzle with both desirable aesthetic and functional attributes. The spray nozzle includes a central orifice and a plurality of blind recesses concentrically disposed around the central orifice, as well as an annular channel connecting all of the blind recesses. The recesses and the channel each individually provide desirable aesthetic properties, while in combination they each reduce the likelihood of product residue buildup in the other. The recesses interrupt the smooth walls of the channel to divert liquid product out of the channel before it can dry out.

Abstract: A washer solution hose controlling device includes a car speed sensor and an electronic control device outputting a control signal in proportion to the car speed detected from the car speed sensor. The washer solution hose controlling device further employs a solenoid where the voltage supplied from the battery, depending upon the control signal output of the electronic control device which is in proportion to the car speed, is varied. Both sides of a feed hose are pushed by the solenoid to increase the injection pressure of washer solution proportionate to the detected car speed.

Abstract: A hollow body having a nozzle opening (19) to discharge fluid as a jet or spray; the body comprising a first part having an inlet (12a) to admit fluid under pressure into the first part, and a second part (16) movable relative to the first part and said first and second parts are relatively movable from an abutting position in which they define therebetween the nozzle opening and a fluid feed passage (18) in the body and leading to the nozzle opening, and a cleaning position in which the fluid feed passage is split open longitudinally and the nozzle opening is split open to expose the nozzle and passage defining surfaces of said parts, for cleaning.

Abstract: The method and apparatus of the present invention provides a more efficient and cost effective method and apparatus for applying agents to plants, crops, vegetation, and trees, while avoiding the problems associated with conventional impingement velocity tunnel sprayers. The method and apparatus of the present invention utilizes the conditions in a controlled atmosphere to deposit agents on plants and provides a device which increases the maneuverability of pesticide spray rigs.

Abstract: Apparatus for dispensing liquid through a plurality of tubes. A valve is provided to interrupt flow of the liquid to the plurality of tubes which tubes thereafter retain any undispensed liquid contained therein due to capillarity caused by surface tension between any retained liquid and the internal walls of the plurality of tubes.

Abstract: A method of controlling an amount of a material discharged via a discharge nozzle from a container containing the material by applying a high pressure gas via a gas line system to an inside of the container. A reference pressure is detected which is of a gas confined in a restricted space having a predetermined volume in the gas line system. A high pressure is detected which is of a gas applied to the inside of the container. A residual amount of the material in the container is measured based upon the reference pressure and the high pressure.