Abstract: A hose nozzle test system having a housing with a plurality of hose nozzles therein. The housing has a first side for attachment of hoses to the hose nozzles and a second opposite side has openings which allow tips of the hose nozzles to extend out of the housing for the discharge of water. A diffuser may be attached rotatably to the second opposite side, allowing the diffuser to open and close to access the interior of the diffuser. A first portion of a trailer hitch is attached at a front end of the housing and a second portion of the trailer hitch is attached rotatably to the first portion so that the system can be rotated vertically for transportation by a vehicle or by an attachable wheel. The system is small, portable, stable, easy to use and maintain, and a user has control over where discharge water is flowing.

Abstract: A shroud device (e.g., a paint sprayer shroud), according to particular embodiments, is configured to capture overspray (e.g., paint or other material that is applied to an unintended location) and/or increase an amount of paint that is delivered to a desired location (e.g., on a wall being painted, etc.). In various embodiments, the shroud device is configured for use in conjunction with a sprayer (e.g., such as any suitable paint spryer or other sprayer). In particular embodiments, the shroud device may comprise a blower portion and a suction portion that work in conjunction to recirculate overspray into a sprayer flow and onto a medium, for example, via a recirculation shroud.

Abstract: [Object] To provide a conductive ink composition which allows formation of a high resolution conductive pattern, and which can provide a high conductivity pattern by firing at a lower temperature and in a shorter time. [Solution] The aforementioned object is achieved by including a conductive filler, an epoxy compound, a blocked polyisocyanate in which a blocking agent is an active methylene compound and/or a pyrazole compound, a reaction catalyst for the blocked polyisocyanate, and an organic solvent as essential components. A conductive ink composition of the present invention can be fired at a lower temperature and in a shorter time and allows printing of a higher resolution conductive pattern.

Abstract: The present invention relates to an apparatus for controlling droplet motion in an electric field by reducing volume of a single droplet to a very small volume using a strong electric field and controlling a position of a droplet using a repulsive force of the same polarity, and a method of the same. The apparatus according to an exemplary embodiment of the present invention includes a first electrode, an insulator disposed above the first electrode, a discharge tip disposed above the insulator by a predetermined distance and dividing a transferred fluid into a small volume of a droplet, and a second electrode contacting the fluid supplied through the discharge tip. The first electrode and the second electrode may form an electric field at an end of the discharge tip by forming a potential difference between the first electrode and the second electrode.

Abstract: Tracer particles together with air are jetted from a nozzle of a seeder into a hood, the air is guided by a collision surface of the hood, deflected to a downstream side in an airflow direction in a wind tunnel, and flows out into the wind tunnel through an opening of the hood. Tracer particles having a large diameter fly straightly without being drifted by the deflected air and collide with the collision surface and are trapped thereon and are prevented from being supplied into the wind tunnel. Tracer particles having a small diameter are drifted by the deflected air, thereby deflected, and supplied into the wind tunnel without collision with and adhesion to the collision surface.

Abstract: A rotary sprinkler includes a housing supporting a nozzle and a nozzle tube, the nozzle tube located axially adjacent an orifice of the nozzle with an axial gap therebetween. A water-deflection plate assembly is carried by the nozzle tube for rotation relative to the nozzle tube. The housing is formed with an exterior substantially annular funnel surrounding the nozzle and forming a collection trough for collection of excess water, and the housing formed with one or more apertures directing excess water in the collection trough to an internal area surrounding the orifice to be aspirated through the gap into a stream of water emitted from the nozzle orifice and through the nozzle tube such that the excess water is distributed by the water-deflection plate along with water emitted from the nozzle orifice.

Abstract: A spray chamber has a spray system and a ventilation system. The spray system includes a compressor and spray jets that are positioned 360° about a user, from head to toe. A pump sends tanning lotion from a container, through a manifold, where it is distributed to the spray jets via conduits. The tanning lotion is dispensed in the form of a mist having particles sufficiently large in size that they rapidly descend to the floor where they are collected for disposal. The mist clears the booth in approximately 30-90 seconds, without the need for an evacuation system such as a fan or filter.

Abstract: A spray chamber has a spray system and a ventilation system. The spray system includes a compressor and stationary spray jets that are positioned 360° about a user, from head to toe. The spray system operates in a spray mode and a drying mode. In the spray mode, the composition is sprayed onto the user through the spray jets in the form of a mist. In the drying mode, air is blown through the jets to dry the user. The spray chamber also has a shower spray. In the rinse mode, chlorinated water is emitted from the shower spray to disinfect the spray chamber. The ventilation system includes exhaust fans that operate in the drying mode to draw air and remnant spray mist into a ventilation housing. The spray is un-filtered to maximize the exhaust of air and remnant composition from the spray booth. The remnant spray condenses on the walls of the ventilation system to create droplets that are siphoned by a sump pump as waste to a sewer system.

Abstract: Apparatus and method for spray coating of a horizontally moving web uses a spray-down unit that sprays downwardly onto the web and a spray-up unit that sprays upwardly onto the web. Each unit has adjustable cut-offs that control the length of the spray pattern by intercepting end portions of the spray pattern. The cut-offs of each unit can be adjusted to block a spray emission opening so as to prevent the entrance of contaminants when the unit is not in operation. Fluid intercepted by the cut-offs is returned for re-use. Both units are supported on a frame, and the spray-down unit can be moved away from the spray-up unit.

Abstract: Apparatus and method for spray coating of a horizontally moving web uses a spray-down unit that sprays downwardly onto the web and a spray-up unit that sprays upwardly onto the web. Each unit has adjustable cut-offs that control the length of the spray pattern by intercepting end portions of the spray pattern. The cut-offs of each unit can be adjusted to block a spray emission opening so as to prevent the entrance of contaminants when the unit is not in operation. Fluid intercepted by the cut-offs is returned for re-use. Both units are supported on a frame, and the spray-down unit can be moved away from the spray-up unit.

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: A liquid spraying device including an elongate first vessel closed at one of its ends by a first free face of a piezoelectric transducer capable of emitting waves into a liquid filling the vessel, and open at its end remote from the piezoelectric transducer. The piezoelectric transducer includes a second free face opposite its first free face, and wherein an elongate second vessel is disposed symmetrically to the first vessel relative to the piezoelectric transducer, the second vessel being closed at one of its ends by said second free face of the piezoelectric transducer, which is thus also capable of emitting waves into a liquid filling the second vessel, said second vessel being open at its end remote from the piezoelectric transducer.

Abstract: A device for spraying a liquid has a rotating surface, preferably one with an edge apron which is angled obliquely toward the outside, from whose possibly serrated outer spraying edge the liquid is flung out. The rotating surface is partially covered by a housing which is provided with an opening which leaves a partial circumference free. The device has a reservoir and a flow path for collecting retained drops, in whose circulation a pump is provided which is embodied to reunite collected liquid with the inflowing liquid. A conveying surface of a pump, preferably a friction pump, is disposed coaxially with the axis of rotation of the rotating surface.

Abstract: An atomized spray applicator nozzle and nozzle shroud, for applying spray fluid to a surface. The shroud captures the unused spray spillage and spray vapors and recycles it. The shroud and nozzle design makes precise application of the fluid to the surface possible.

Abstract: A water heater, a burner unit therefor and methods of making the same are provided, the water heater comprising a tank for containing water therein and a burner unit for receiving fuel from a source thereof and issuing the fuel therefrom so as to burn and heat the tank and thus the water therein by conduction, the burner unit comprising a top burner plate having a top wall provided with an opening therethrough for draining away water that has accumulated thereon and that comprises condensate that has dripped from the flue of the tank onto the top wall, the opening to be so constructed and arranged that the water that drains therethrough is adapted to pass out through a central opening of the bottom burner plate of the burner unit and through which fuel is directed to the burner unit.

Abstract: A flow test chamber for diminishing and diverting the flow of a high pressure stream of water while testing a fire pump has a hollow chamber supported on a main support frame for receiving a high pressure stream of water forced by the fire pump through standard playpipes and nozzle tips retained in a stable position adjacent the hollow chamber on a playpipe support frame mounted on the main support frame. Screens suspended within the chamber diffuse and divert the flow of water as it enters the chamber with the water subsequently exiting through a discharge opening at a reduced rate of flow and diffused over a large area. An under carriage supports the main support frame for movement of the flow test chamber over the underlying surface in a generally horizontal orientation for easy positioning adjacent the fire pump to be tested.

Abstract: A hand held device for coating a fastener with a coating and which includes a first body with a free end and which defines a first chamber that is placeable over the fastener, apparatus for supplying the coating under a pressure to the first chamber for coating the fastener with the coating, a second body with a free end and which is disposed external to the first body so as to form a second chamber therebetween, the second body is rigidly attached to the first body and the free end of the second body is displaced a distance below the free end of the first body so as to form a passageway therebetween, and apparatus for reducing pressure in the second chamber, the reducing apparatus draws the coating from the first chamber where the fastener is initially coated with the coating from the supply apparatus through the passageway and into the second chamber which causes the second chamber to fill with the coating so that when the pressure of the supply apparatus is eliminated the coating is drawn back from the sec

Abstract: Discharge of fluid and debris onto a roadway from between the closure member and the rear of a truck body is eliminated by the use of a collection trough mounted beneath the rear of the truck body and a pivotally mounted slide member which can be selectively positioned to cover the trough while functioning as an asphalt slide or to act as a retaining wall to deflect and retain water and debris within the trough.

Abstract: Apparatus for producing a spray of particles includes a shroud for restricting the spray produced by an atomizer, leaving a restricted arc or arcs over which particles can be ejected from the apparatus. The shroud includes at least one shielding element comprising an array of bristles. Each array of bristles can be carried by a flexible elongate element so that the form and extent of the array can be adjusted. The atomizer can be a rotary atomizer.

Abstract: The spray mist is produced by ejecting the liquid from one or more nozzles (1) in the form of jets (2) disintegrating into drops and the liquid formed from the drops is then conveyed to a spray system (4) which is electrically insulated from the nozzles (1) and a powerful electric field is applied between the nozzles (1) and the spray system (4). A spherical impact electrode or a two-material spray nozzle insulated against earth under a high voltage may be used as spray system. The main advantage is that the smooth jet nozzle (1) and hence also the container for the liquid to be sprayed are at earth potential.

Abstract: A method and device for spraying agricultural crops where a liquid, for example a fungi-insecticide, growth regulating substance or fertilizer, is atomized in a conical or flat spray plane (24), wherein the spray mantle (24) is partially interrupted so obtaining an asymmetrical spray picture whereby an accurate and even concentration can be achieved. An atomizing body (9) is rotatabe around a stationary part (1) formed as a hollow cylinder, whereby a groove (14) connecting with the cylinder space (3) is formed in the surface of the cylinder (1) over a circumferential portion, onto which ducts (12, 13) are arranged in the rotation atomizing body (9) in each case connect resulting in that a very even cone mantle with a vertical angle of 150.degree. can be achieved so that the atomized liquid strikes the field produce on the underside of the leaves.

Abstract: A protective cover for a spraying apparatus which sprays a liquid through a nozzle. The protective cover is capable of surrounding the high-pressure region of a ject of the liquid sprayed through the nozzle, and is provided in the inner circumference near the open end thereof with a drip preventing wall for preventing the drip of the liquid caused to adhere to the inner circumference of the protective cover. The liquid caused to adhere to the inner circumference of the protective cover flows along the inner circumference of the protective cover and is stopped by the drip preventing wall, and thereby the drip of the liquid is prevented satisfactorily.

Abstract: A nozzle for directing a flow of lubricant particles vertically downwardly onto the surface of a disc moving horizontally across the discharge opening of the nozzle includes a pair of side plates which are secured together by end plates to form an enclosure having a narrow discharge opening at the bottom edge. The side plates are substantially in the form of isoceles trapezoids having a bottom edge wider than its top edge and having the end plates extending between the nonparallel edges of the side plates. An inlet port is connected to the top edges of the plates. The side plates have on their inner surfaces adjacent their bottom edges a groove which extends along the bottom edges to the end plates. The grooves are adapted to catch any lubricant which flows down the inner surfaces of the side plates and direct such lubricant to the ends of the discharge opening where the lubricant can drip from the nozzle.

Abstract: In the openings at the side wall of an infeed or inflow channel there are inserted outlet or discharge elements having an oval cross-section which continuously tapers in the flow direction. The inlet-side portion of the outlet elements, protruding into the interior of the infeed channel, possesses an outwardly drawn or flexed end portion or section which terminates in spaced relation from the channel side wall and forms therewith a catch trough. Within this trough there is entrapped water which is deposited at the inner surface or wall of the infeed channel and which flows downwardly along the channel side wall. At the outlet side of each outlet or discharge element there is arranged a further catch trough which extends at the inner surface of the outlet side or opening along the circumference. This inwardly open catch trough is formed by an end portion or section of the outlet element which is flexed or bent back towards the inside.

Abstract: A safety cover for rotary head electrostatic spray coating systems, of the type to which a rapid rotation is imparted to a rotary spray head and a jet of coating material to be sprayed directed thereagainst for discharge from a peripheral edge of the head in a spray, is characterized by a cover movable between positions over and around the head and remote from the head, and a mechanism for moving the cover. When positioned over the head, the cover protects nearby personnel against accidental injury resulting from contact with the rapidly rotating head, and at the same time serves as a receptacle for receiving and containing solvent and residual coating material discharged from the head when the same is cleaned, as for example during color changes when coating materials of different colors are sprayed.

Abstract: A shield, impervious to liquids, for use in positioning behind a plant while the plant is being sprayed with water for example, which shield is provided with a trough at its bottom edge to provide a retaining well, stiffen the shield, and provide weight for maintaining the same upright. The plant may thus be watered, the leaves sprayed or washed, without damage to surrounding windows or furniture, as the trough gathers the excess water which runs down the shield and into the trough.