Abstract: An irrigation conduit (10) includes a plurality of emitters (11) spaced apart along its length. A conveyance channel (12) is connected to each emitter (11) and is long enough so that a distal end (14) of the conveyance channel (12) may be positioned at or just above the soil surface with the conduit (10) buried below the soil surface. Each emitter (11) or each conveyance channel (12) includes associated with it a flow control arrangement (30) to control the rate of flow through the conveyance channel (12) when water is applied to the conduit (10) at a desired pressure and flow rate. The flow rate through each conveyance channel (12) exceeds the local hydraulic loading rate of the soil adjacent to the conveyance channel (12). The rate in excess of the local hydraulic loading rate causes localized flooding and allows the water to spread out substantially across the soil surface prior to moving downwardly into the soil.

Abstract: To supply a liquid uniformly to a dye applicator, the liquid must be divided in a specific way before the liquid reaches a strip of the applicator. This is accomplished with a hollow plate which has a large number of tube fittings on its outer circumference for the through flow of precisely constant amounts of liquid. These fittings, for treating different working widths of the applicator, must be provided at least partially with valves to close them. In order to keep the distributing plate small in diameter and simultaneously to be able to close one through flow channel or another, special channels are provided in the plate that are easy to close and can be controlled exactly with respect to liquid flow.

Abstract: The serpentine, turbulence inducing path lengths from the inlets to the outlets of the flow regulating passage of a continuous emitter drip irrigation hose are arranged in back to back fashion relative to the outlets in the sense that the chevrons angle away from each of outlets, so there is parallel turbulent flow from two inlets to each outlet. This doubles the flow rate from each outlet without changing the dimensions of the flow regulating passage.

Abstract: A system usable for dispensing fluids including hot melt adhesives supplied from a reservoir onto a substrate. The system includes a fluid metering device having a plurality of metered fluid outlets for supplying fluid from the reservoir, a main manifold having an end portion with plurality of fluid outlet ports coupled to corresponding metered fluid outlets of the fluid metering device, and a corresponding plurality of fluid return ports coupled to the reservoir. At least one individual fluid flow control plate having a plate fluid inlet port on a plate fluid interface is mountable on the end portion of the main manifold to couple the plate fluid inlet port of the individual fluid flow control plate to a corresponding one of the plurality of fluid outlet ports of the main manifold.

Abstract: A matrix array spray head including a valve section for controlling nozzles is disclosed. The spray head is formed by a series of alternately stacked plates having channels formed in alternate plates for supplying either pressurized gaseous propellant or a composition to be applied by the spray head. Compositions appropriate for spraying with the spray head include paint powder, liquid paint, conformal coatings, flux, water and other materials and fluids which may be atomized when combined with a high pressure gaseous stream. Flow of the composition and gaseous stream may be controlled in the valve section by means of memory metal valves having memory metal valve elements that move in response to the application of electrical current controlled by a logic control. The computer logic control of the valves provides a spray head having a computer-addressable array of tiny spray nozzles.

Abstract: A misting system having a supply of a fluid, a feed line in fluid communication with the supply of the fluid, and at least one spray nozzle in fluid communication with fluid in the feed line for dispensing a fluid spray, wherein at least a portion of the exterior surface of the fed line is five-sided. Preferably, at least a position of each of four sides is perpendicular to the adjacent side and the fifth side is intermediate two of these sides to form an obtuse angle at the intersection thereof. The five-sided feed line of the present invention can be mounted so that it presents either a "square" or a "triangular" appearance so that the present invention provides an aesthetically-pleasing feed line that can be mounted to give two different appearances. The misting system also uses a first solenoid valve to spray intermittently and a second solenoid valve to decrease the pressure in the system after each spray cycle and to backflush the system filter.

Abstract: Apparatus is provided for applying glue or a similar adhesive onto a substrate such as a paper web. It comprises a nozzle plate (20) with exit openings (29) with a small diameter, which are arranged in at least two rows (32,33), staggered closely behind one another in the transport direction (4). The rows are also transversely offset with respect to each other such that the outlet openings of one row (33) are aligned with the spaces (37) defined between the outlet openings of another row (32). In this manner, side edge portions (47) of the adhesive issued from the outlet openings of the one row (33) contact and merge with the side edge portions (47) of the adhesive issued from the outlet openings of the other row (32) whereby a continuum of adhesive is produced.

Abstract: A conventional shower head is fitted with a tee fitting having a flow through passage and an additional tee passage within which a valve and control handle are supported. A flexible hose is coupled to a head assembly which includes an elongated handle and an elongated spray head. The handle defines an interior passage for coupling water under pressure from the flexible hose to the interior of the spray head. The spray head is elongated and defines angled facets each having a plurality of spray apertures formed therein. A valve slide shaped in correspondence to the interior of the spray head is slidably movable within the spray head. The valve slide defines a plurality of apertures corresponding to the apertures formed in the spray body. Volume of spray adjustment is controlled by the position of the valve slide with respect to the spray body. The angled facets of the spray head and aperture placement are configured to provide a hygiene device for cleaning the rectal area.

Abstract: A slot nozzle die for use with a coating dispenser includes a first die body having a tapered projection and a deflectable tab member horizontally spaced from the tapered projection to define a die seat therebetween. A second die body having a tapered projection is slidably received in the die seat formed in the first die body. The tapered projections of the first and second die bodies define an extrusion slot therebetween which receives coating material from the coating dispenser. A pair of air blocks are respectively mounted to lower ends of each die body to define a pair of air channels disposed at an angle relative to the extrusion slot. One of the air blocks is slidably received intermediate the deflectable tab member and the tapered projection of the second die body and cooperates with the deflectable tab member for translating the tapered projection of the second die body toward the tapered projection of the first die body to seal the first and second die bodies.

Abstract: An improved sprinkler nozzle comprises a nozzle body having a nozzle received in a recessed seat provided in a peripheral wall of the nozzle body. The nozzle is formed with a plurality of nozzle ports formed by the radially outer ends of a plurality of vertically flexible nozzle tubes. The flow volume of the water stream being thrown by the sprinkler nozzle is adjusted by selectively operating a flow volume adjustment member carried on the nozzle body to selectively open or close various of the nozzle tubes in various possible combinations. The flow volume of the nozzle will comprise the combined or aggregate flow volumes of the water sub-streams being thrown by those nozzle tubes that are left open. The trajectory of the water stream being thrown by the sprinkler nozzle is adjusted by selectively operating a trajectory adjustment member carried on the nozzle body to bend the flexible nozzle tubes about their vertically fixed, radial inner ends to raise and lower the radial outer ends of the nozzle tubes.

Abstract: The serpentine, turbulence inducing path lengths from the inlets to the outlets of the flow regulating passage of a continuous emitter drip irrigation hose are arranged in back to back fashion relative to the outlets in the sense that the chevrons angle away from each of outlets, so there is parallel turbulent flow from two inlets to each outlet. This doubles the flow rate from each outlet without changing the dimensions of the flow regulating passage.

Abstract: A constant-flow drip irrigation tape hose includes a primary flow path communicating water along the length of the hose. A secondary drip-flow path leads from the primary flow path to an emitter site outwardly of the hose. The hose is formed with a pair of variably spaced apart walls at least one of which is formed with a continuously-open channel defining part of the secondary flow path. A second variable-area part of the secondary flow path is defined by radial spacing of the pair of walls from one another. At least one of the pair of walls is responsive to internal water pressure in the primary flow path to open and close the variable-area part of the secondary flow path in response, respectively, to decreasing and increasing water pressure in the hose. A plurality of emitter sites are spaced regularly along a length of the hose.

Abstract: A self-contained emergency eye wash station for dispensing eye wash fluid contained in a flexible container comprises a housing, a reservoir, and a platen. The housing supports the flexible container and supports a nozzle in fluid communication with the flexible container. The nozzle dispenses the eye wash fluid from the flexible container. The housing includes a drain capturing the eye wash fluid dispensed from the nozzle. The reservoir collects the eye wash fluid captured by the drain, and the reservoir is slidably mounted to the housing. The platen is connected to the reservoir. The platen is slidably movable relative to the housing and is located immediately above the flexible container. The platen presses downward on the flexible container with a downward force proportional to a weight of the eye wash fluid collected in the reservoir. The transfer of the weight of the eye wash fluid collected in the reservoir to the platen maintains a constant flow of eye wash fluid dispensed from the nozzle.

Abstract: A fluid jet nozzle apparatus includes a fluid passage communicated with a fluid jet opening, a valve member for opening/closing the fluid passage, and an elastic member for biasing and moving the valve member to a passage closing position. The valve member includes a pressure receiving face for moving the valve member to a passage opening position against the biasing force of the elastic member in response to application thereto of a fluid pressure exceeding a predetermined pressure. The valve member and the elastic member are interposed between an entrance opening of the fluid passage and a strainer surrounding the entrance opening.

Abstract: A constant-flow drip irrigation tape hose includes a primary flow path communicating water along the length of the hose. A secondary drip-flow path leads from the primary flow path to an emitter site outwardly of the hose. The hose is formed with a pair of variably spaced apart walls at least one of which is formed with a continuously-open channel defining part of the secondary flow path. A second variable-area part of the secondary flow path is defined by radial spacing of the pair of walls from one another. At least one of the pair of walls is responsive to internal water pressure in the primary flow path to open and close the variable-area part of the secondary flow path in response, respectively, to decreasing and increasing water pressure in the hose. A plurality of emitter sites are spaced regularly along a length of the hose.

Abstract: A portable evaporative cooling unit (10) is disclosed. A housing (12) has a front opening (46) and a rear opening (20). Air-permeable water absorption media (22) are disposed across the rear opening (20) of the housing (12). An electric motor driven fan (42) having fan blades (44) is disposed in the front opening (46) of the housing (12) for drawing air through the water absorption media (22). A supply conduit (94) connects a water pump (52) to an elongated horizontal spray bar (64) disposed above the water absorption media (22). The spray bar (64) extends substantially the width of the water absorption media (22) and has a plurality of spaced holes (72) in its upper surface for distributing water. A foam sleeve (68) is disposed around the entire length of the spray bar (64). The foam sleeve (68) absorbs water expelled from the plurality of holes (72) and distributes the water onto the water absorption media (22).

Abstract: A compressed air safety gun for use underwater, having a handle and an elongate barrel extending therefrom, the handle including a valve therein being operable between open and closed position, by a trigger on the handle. A substantially flexible pneumatic hose connects at opposite ends between the handle and a pressurized air supply source for directing pressurized air flow to the valve in the handle, wherein operation of the trigger to open valve serves to direct the flow of pressurized air through the gun barrel and out from a distal end thereof. A coupling connectable to the distal end of the barrel is structured and disposed for attachment of various tools thereto, such as a nozzle for directing the flow of air from the barrel end.

Abstract: This invention relates to pulsating drip laterals for use in irrigation and other applications. The combination of pulsators and drip laterals is used for decreasing the flow of the drippers and for decreasing their chance of getting plugged. More specifically, this invention relates to pulsating drip laterals in which the pulsators are made so that pressurized fluid can flow through them while, at the same time, a low continuous flow of some of the fluid flows out from each pulsator at high intermittent pulsating flow to a group of drippers. It farther relates to pulsators that are connected in line of different types of drip conduit and to drip laterals in which pulsators are inserted in the drip conduits during the extrusion process of the conduits.

Abstract: An improved sprinkler nozzle comprises a nozzle body having a nozzle received in a recessed seat provided in a peripheral wall of the nozzle body. The nozzle is formed with a plurality of nozzle ports formed by the radially outer ends of a plurality of vertically flexible nozzle tubes. The flow volume of the water stream being thrown by the sprinkler nozzle is adjusted by selectively operating a flow volume adjustment member carried on the nozzle body to selectively open or close various of the nozzle tubes in various possible combinations. The flow volume of the nozzle will comprise the combined or aggregate flow volumes of the water sub-streams being thrown by those nozzle tubes that are left open. The trajectory of the water stream being thrown by the sprinkler nozzle is adjusted by selectively operating a trajectory adjustment member carried on the nozzle body to bend the flexible nozzle tubes about their vertically fixed, radial inner ends to raise and lower the radial outer ends of the nozzle tubes.

Abstract: A wave sprinkler assembly in which the tubular spray assembly comprises a tubular member and one or more elongated strips of flexible material having a series of longitudinally spaced water stream outlets extending therethrough, the strips are assembled with the tubular member by inserting them therein through an end and moving them radially outwardly into an operative position wherein the water under pressure within the interior of the tubular spray assembly acts on the strips to enhance their engagement with the tubular member. The strip provides an annular seal of flexible sealing material extending around the exterior of each of the controllable water stream outlets, and a control member is mounted on the elongated tubular assembly for movement between a full width operating position and a width limiting position. The control member includes a control section associated with each annular seal and the controllable water stream outlet around which it extends.

Abstract: A dye applicator which applies dye to textiles of different widths. The applicator includes an elongate container and sealing ribbon within the elongate container. The sealing ribbon is positioned inside the container along a strip of perforated slots and is attached at both ends to the container. The sealing ribbon works to seal off holes that are not being used during the application of the dye and allows holes that are being used to be opened so that the dye may flow into the textile. A diffuser is provided which diverts flow of dye in the elongate container from the ribbon, and ribbon guides may be provided to prevent the ribbon from leaving its intended path. The ribbon may also be provided with a stabilizer so that it will have structural integrity.

Abstract: A multiple adhesive bead applicator has a handle member and a cross member. A network of adhesive distribution tubes is attached to the application and extends from the handle member to multiple distribution points in a preselected spacing on the cross member. Such an application is useful in a method for applying a cover member, such as an elastomeric membrane or insulation board, to a roofing substrate by first positioning the membrane adjacent a work area, then dispensing multiple beads of an adhesive onto the substrate in a preselected spacing and in a single pass and contacting the adhesive beads with the cover member.

Abstract: Apparatus for dewatering material suspensions is disclosed including a pair of rotatable cylindrical liquid permeable press rolls at least partially immersed in a vat, inlet channels for supplying the material suspension to the bottom portion of the vat, transverse distribution pipes for distributing the material suspension to the inlet channels, and a central pipe for supplying the material suspension to the transverse distribution pipes, the central pipe including an adjustable outer sleeve axially adjustable therealong and connected to an openable portion at the bottom of the vat so that the adjustable outer sleeve and the openable portion of the vat can be adjusted between an upper closed position for normal operation of the apparatus and a lower open position in which access is provided to the space between the press rolls and the bottom of the vat, the central pipe including apertures so that when the adjustable outer sleeve and the openable portion of the vat are in the upper closed position, the apert

Abstract: An improved spray arm assembly for coating ingestible pharmaceutical products includes at least one spray nozzle of the type which is constructed and arranged to produce an aerosol mist from a liquid solution and pressurized gas, and an elongated support arm on which the spray nozzle is mounted. The support arm has a first bore defined therein for carrying liquid solution to the spray nozzle, and a second bore defined therein for carrying pressurized gas to the spray nozzle, so that liquid solution and compressed gas may be supplied to the spray nozzle with reduced head loss, better distribution and with less possibility of catastrophic leakage than was possible with tube-based equipment. A method for providing a gastroenteric coating onto an ingestible pharmaceutical product is also disclosed.

Abstract: A steam spray tube with an inlet line (16) for steam, a nozzle arrangement (33) and a valve (19) positioned between the inlet line and the nozzle arrangement is described. With such a steam spray tube, adequate moistening of a web to be moistened can be assured even at high web velocities. To do so, an essentially straight acceleration channel (35) is arranged downstream from valve (19) in the direction of flow of the steam and a nozzle channel (36) to the nozzle arrangement (33) branches off from the acceleration channel at a predetermined distance from the end (37) of the acceleration channel (35).

Abstract: A one-touch on-off showerhead valve apparatus for controlling the flow of fluid by pushbutton operation that includes a body having an inner cavity which is divided into first, second and third spaces by a bellows and a support plate mounted therein. The bellows defines a first flow path to permit fluid entering the apparatus to flow between the first and second spaces. A spool fixed to and penetrating both the support plate and bellows defines a second flow path having a diameter larger than the first flow path which permits fluid to flow between the second and third spaces. A valve connected to the pushbutton selectively permits fluid to flow through the second flow path. A third flow path is formed in the support plate that permits fluid to flow between the first and third spaces. When the second flow path is normally closed by the valve, the bellows blocks the third flow path preventing fluid from flowing into the third space and out of the apparatus.

Abstract: A new and improved water wand apparatus includes a handle assembly which includes a tubular member which is adapted for conducting water flow in a first direction from a source end to a nozzle end in the tubular member. A nozzle assembly is connected to the tubular member and includes a nozzle-containing wall which includes a connection aperture for connecting to the tubular member. The nozzle-containing wall also includes a plurality of nozzle channels. The nozzle assembly also includes a truncated conical wall assembly connected to the nozzle-containing wall. An apex wall assembly is connected to a narrow end of the truncated conical wall assembly and serves to block water flow in the first direction causing pressurized water to exit from the nozzle channels in a second direction. The tubular member is substantially straight, and the tubular member and the nozzle assembly 16 are symmetrically disposed around a longitudinal axis. The nozzle-containing wall is perpendicular to the longitudinal axis.

Abstract: A hygienic spray bottle dispenses liquid through a discharge tube. The spray bottle includes an electrically powered pump for pressurizing the liquid; a discharge tube having a nozzle; a valve for dispensing the pressurized liquid; and a pickup tube extending to the bottom of the bottle. A rechargeable battery powers the pump. The discharge tube is configured to cooperate with a toilet bowl wall to allow the spray bottle to function as a portable bidet. The discharge tube has a sliding sleeve for selectively covering and uncovering liquid spray holes to vary the spray pattern or location. Alternatively, the discharge tube includes a flexible section to vary the orientation of the nozzle for douching. The hygienic spray bottle is capable of being used in the absence of an external plumbing system.

Abstract: A dye applicator which applies dye to textiles of different widths. The applicator includes an elongate container and sealing ribbon within the elongate container. The sealing ribbon is positioned inside the container along a strip of perforated slots and is attached at both ends to the container. The sealing ribbon works to seal off holes that are not being used during the application of the dye and allows holes that am being used to be opened so that the dye may flow into the textile.

Abstract: A shower head has a rigid body forming a pressurizable compartment having a downstream wall of composite synthetic-resin material having an inner face and formed with an array of throughgoing holes so that pressurized water in the compartment will exit therefrom through the holes. A unitary liner sheet of a soft elastomer has an outer face bonded to the inner face of the downstream wall and is formed with respective tubular nipples fitting in and projecting through the holes. Each nipple forms a throughgoing passage having an inner end opening in the compartment and an outer end opening outside the body. The liner sheet and integral nipples are molded in situ against the inner face of the plate forming the downstream wall of the shower body. The composite synthetic-resin material is a polybutyleneterephthalate and the elastomer is silicone or the composite synthetic-resin material can be polypropylene and the elastomer a thermoplastic.

Abstract: A cleaning device having a regulated supply of pressurized fluid which is delivered to an outlet end through one of several interchangeable outlet devices having an outlet flow nozzle for cleaning clogged debris from gutters and downspouts, as well as other elevated structures. Reassembly of interchangeable outlet devices in combination with an outlet end adapter provides for adaptation of the device to optimize cleaning of gutters, and then to optimize cleaning of downspouts. All of the preceding is provided in a device which is quick and easy to assemble, and can be taken apart for storage, without wrenches.

Abstract: The invention comprises a liquid storage container having a plant feeder outlet and a fluid transmission outlet arranged to accept a tube, the distance it inserts into the fluid transmission outlet determining the volume of fluid which is allowed to flow from the plant feeder outlet. The invention includes a system of remote plant feeder members connected through said tube and allowing delivery of controlled volumes of fluid to one or more plants.

Abstract: A spring-biased actuator lever arm (44) of a spray head assembly (10) has an actuator shaft (42) which extends into a sealed spray-head compartment (20) for sliding a cam (70) to move a cam follower (72) and thereby open a poppet valve (76) positioned inside a water supply passageway (22) for opening the poppet valve against a return spring (84) and the flow of water toward the spray-head compartment.

Abstract: An adjustable slot nozzle is provided including a nozzle body having a surface formed with an elongated slot, at least one supply channel connected to a source of fluid, a number of second channels having an inlet and an outlet connected to the elongated slot and a cylindrical slider member positioned between the supply channel and the inlets to the second channels to control the flow of fluid therebetween. The slot nozzle also includes a sleeve construction which varies the axial width of the elongated slot through which fluid can be discharged.

Abstract: Apparatus and methods for producing coatings, such as wax or hot melt adhesive, onto the tops and necks of wine bottles or similar objects. A slot nozzle die has elongated air slots along a vertically oriented slot extrusion opening. A hot melt or wax gun is disposed above the bottle neck to apply a bead of adhesive to the bottle top. In the operation of the apparatus, the air flow is initiated from both air slots prior to the initiation of the hot melt flow and is continued beyond that point in time, when the hot melt flow ceases. The air carries a film of coating material horizontally to the bottle neck. Means are provided for spinning the bottle about its vertical axis. The delays between the operations of the air flow and the coating flow are on the order of micro seconds. The merged coatings are heated to smooth the coating finish to produce a traditional neck seal.

Abstract: A glass cullet separator utilizes a multi-element optical sensor to detect when an opaque particle in a group primarily composed of transparent particles moving along a plane passes a first line lying in that plane, and the particular location of the particle along the first line. A signal from the optical sensor is fed to a microprocessor. After a delay equal to the time it takes for a particle to pass between the first line and a second line, which is parallel to and separated from the first line, the microprocessor causes a valve to open and emit a jet of high velocity air from a nozzle aimed toward the plane along the second line. The jet of air blows the opaque particle out of the plane where it is captured and separated from the remainder of the particles. A plurality of nozzles are located in a manifold which extends across the extent of the second line. The manifold also supports the valves and fluid conduits that interconnect the valves and the nozzles.

Abstract: A device for selectively dispensing granular material such as fire ant poison, herbicides, fertilizer and the like at the behest of a user, this device comprising inner and outer elongate tubular members disposed in a closely fitted relationship but being relatively rotatable for a selected number of degrees. The inner member serves as a repository for a granular material to be dispensed, and a plurality of holes are disposed in a spaced, aligned relationship in each of these members. These elongate members normally reside in a rotational relationship in which the holes in the members are non-aligned, and a dispensing lever is attached to one of the members for selectively bringing about relative rotation of that one member with respect to the other member, such that the holes in these members will be brought into alignment for the dispensing of the granular material under the influence of gravity.

Abstract: A sorter for sorting transversely-spaced articles moving along a direction of travel employs an array of fluid nozzles aligned transversely to the direction of travel for separating some of the articles from others, according to differences in their physical characteristics, by selectively directing respective streams of fluid toward some of the articles to deflect them from the direction of travel. The nozzles are arranged in a substantially linear transverse alignment relative to the direction of travel, each nozzle being connected to a respective selectively operable fluid supply valve. The valves are arranged in a nonlinear array in a common plane extending generally in the direction of alignment of the nozzles, and are connected to the respective nozzles by flexible tubes of equal length which interface the nonlinear array of valves with the linear transverse array of nozzles. The tubes are embedded in a hardened polymeric material which also forms the nozzles.

Abstract: A hygienic kit including a spray bottle for dispensing a medicament, balm, or similar liquid, including refillable containers of such liquids, and a supply of absorbent material, such as cotton swabs. The spray bottle has a screw-on cap including a hand pump for building up air pressure bearing on the liquid; a rigid, preformed discharge tube having a nozzle; a manual valve for dispensing the pressurized liquid at will; and a pickup tube extending to the bottom of the bottle. The discharge tube is configured to cooperate with a toilet bowl wall, so that the spray bottle is usable as a portable bidet. The discharge tube has a sliding sleeve selectively covering and uncovering liquid spray holes, so that the spray pattern or location is varied. In an alternative embodiment, the discharge tube includes a flexible section, enabling the nozzle to be advantageously oriented by the user, as for douching.

Abstract: A spraying device for dousing the blade chamber of a rotary lawn mower to effect cleaning thereof. An annular, D-shaped conduit is secured to the ground by a centrally disposed stake. The stake orients the flat portion of the D-shaped conduit against the ground, providing a low profile in order for the mower to be positioned over the spraying device. The annular conduit has a plurality of orifices disposed on the top surface defining first and second annular formations. The first annular formation upwardly directs a controlled spray pattern perpendicular to the ground, while the second annular formation upwardly and outwardly directs a controlled spray pattern preferably 45.degree. from the perpendicular. A valved extension conduit in communication with the annular conduit is releasably coupled to a water source such as a garden hose connected to a water faucet for supplying the spraying device with pressurized water.

Abstract: Method and apparatus for jet printing, e.g. of textile fabrics, are disclosed. Metered quantities of fluid, e.g. dye, are supplied in a succession of discrete small quantities through capillaries in boards which can be angled relatively to a moving fabric for fineness of spacing. Multiple boards extend across the fabric path and the capillaries pass the dye on computer command to print any desired pattern. Each row of boards can replace a conventional printing screen in a multicolour printing machine.

Abstract: A spray apparatus including an airless spray system, a spray gun having an on and off control, and a center spray device coupled to the spray gun for providing a spray, the improvement which includes: a center valve device coupled to the center spray device for turning the center spray device on and off; a first extension device coupled to the spray gun for providing an extension from the spray gun; first spray device for providing a spray attached to the first extension device; a first device for directing pressurized liquid from the spray gun to the first spray device coupled to the first spray device; and a first valve device for turning the first spray device on and off coupled to the first spray device. The improved airless spray system reduces the cost of spray painting with an airless spray system and increases productivity, while maintaining an even spray fan beam.

Abstract: A compressed air safety gun for use underwater, having a handle and an elongate barrel extending therefrom, the handle including a valve therein being operable between open and closed position, by a trigger on the handle. A substantially flexible pneumatic hose connects at opposite ends between the handle and a pressurized air supply source for directing pressurized air flow to the valve in the handle, wherein operation of the trigger to open valve serves to direct the flow of pressurized air through the gun barrel and out from a distal end thereof. A coupling connectable to the distal end of the barrel is structured and disposed for attachment of various tools thereto, such as a nozzle for directing the flow of air from the barrel end.

Abstract: A rinse nozzle for gently and efficiently rinsing the interior and exterior of breathing regulators, snorkels, buoyancy compensator vests and other SCUBA equipment. The nozzle has an outlet adapted to releasably mate with regulator and snorkel mouthpieces and with the mouthpiece of a buoyancy compensator inflator. The nozzle includes a flow metering means, baffle means, and diffusing passage to provide low velocity fluid rinsing to prevent damage to the equipment. The rinse nozzle can be attached to any standard hose or faucet.

Abstract: An apparatus for roadside spraying of herbicides or other liquids in a manner which ensures uniform application of the herbicide without resorting to atomization of the sprayed liquid. The apparatus provides means for uniformly applying the herbicide in a plurality of swaths at different distances from the spraying apparatus. The apparatus uses a means for vibrationally altering the directions of the sprayed liquid streams to ensure uniform coverage. The direction altering means allows the amplitudes of the direction alterations to vary in accordance with the target distance of sprayed liquid stream.

Abstract: A diffuser for a hair dryer having an air discharge nozzle, the diffuser comprising a body having a side wall defining a first opening adapted to communicate with the nozzle and a second opening. The body defines an air passage communicable between the first and second openings for conducting therebetween an air flow. Also included is a grill overlying the second opening and defining a plurality of discharge openings, and a plurality of generally hollow fingers extending from the grill outwardly of the air passage. The fingers define respective finger discharge openings and respective finger discharge passage portions communicable between the air passage and the finger discharge openings. In addition there is included a valve for selectively and adjustably controlling the flow of air from the air passage through the discharge openings and the finger discharge openings.

Abstract: A method and apparatus for removing wires bonded between chip contact pads and substrate contact pads using an alternating fluid flow is described. The fluid flow is preferably air. A nozzle having a plurality of air jets within a chip accommodating cavity is disposed over the chip to enclose the chip contact pads, the substrate contact pads and the wires bonded therebetween. Air is forced through the plurality of jets to cause an alternating clockwise and counter clockwise air flow which bends the plurality of wires back and forth until they fatigue at the contact points to the chip contact pads in a substrate contact pads which results in the wires being substantially simultaneously severed therefrom. The nozzle has an aperture out through which the air escapes carrying the severed wires therewith for collection in a filter.

Abstract: An apparatus for cooling thin-webbed H-beam steel includes means for forcibly spray cooling the flanges of the H-beam in intermediate and final hot rolling zones. The cooling is based upon tracking information with respect to predetermined positions along the length of the H-beam. A plurality of flow quantity control blocks are disposed in parallel with each having a three way valve having a water supply side port, a nozzle side port, and a water drain port. A plurality of on-off valves connect the nozzle side port to nozzles in a nozzle group to select nozzles based upon the flange width of the H-beam. A variable throttle mechanism maintains pressure loss at the water drain side equal to pressure loss at the nozzle side. Switching of the three way valve of one flow quantity control block can be carried out without affecting other flow quantity control blocks.

Abstract: An emitter has a plurality of circumferentially disposed fittings releasably connected thereon. A pressure-compensated flow control valve is mounted in at least some of the fittings and the control valves have varied flow rates. A plug is inserted into outlets from the emitter not having a fitting/control valve mounted therein. The emitter is adapted to replace a standard sprinkler head of a sprinkler circuit to provide the circuit with both sprinkler and micro-irrigation capabilities.

Abstract: A shower head has a housing having an end wall provided with a plurality of sets of spray nozzles, a partition element defining in the housing a pressurizable inlet chamber and formed offset from the axis with an axially throughgoing outlet hole, and a valve element rotatable in the housing on the partition about the axis, overlying the outlet hole, and formed offset from the axis with a plurality of axially throughgoing apertures radially equispaced from the axis and angularly spaced thereabout, selectively alignable with the partition hole, and each associated with a respective set of the nozzles. The housing also is formed with respective passages connecting the apertures with the respective sets of nozzles. One of the elements is provided with a restriction formation for progressive restriction of the outlet hole from a fully open to fully closed condition on rotation of the valve element through a predetermined angular stroke.