Abstract: A processing device for processing sheet-like media via immersion in a special fluid, for example, for renewing a copy sheet by removing printed material such as toner therefrom. The processing device has a tank accommodating a fluid therein; a sheet feeding device for feeding a sheet into the fluid in the tank, a sheet accommodating device for accommodating a sheet, a sensing device for outputting a signal responsive to a state of the sheet in the sheet accommodating device, and a changing device for changing a relative position between the tank and the sheet accommodating device, the relative position including a retracted position where the sheet accommodating device is positioned outside the tank and an operating position where the sheet accommodating device is positioned within the fluid in the tank, the changing device changing the relative position in response to the signal outputted by the sensing device.

Abstract: In an apparatus for the treatment of board-shaped articles, particularly printed circuit boards, with a liquid treatment medium, particularly a cleaning, etching, metallizing or rinsing liquid, along a substantially horizontal conveying path defined by a conveying means, for improving the handling of thin circuit boards it is proposed that the conveying means on either side of the conveying path and both above and below the conveying plane comprises elements guiding the longitudinal edges of the boards.

Abstract: A carrying apparatus comprising an endless roller chain belt that moves on a circular track and includes a plurality of fixture plates. Each fixture plate has several interrupted slot lines each of which comprises vertically elongate lower, middle and upper slot sections, and a work holding device formed with a resilient coil section intermediate a fixing section at an upper end and a work holding section at a lower end. The work holding device being engaged with the slot line such that the coil section seats within the middle slot section and the fixing and work holding sections extend respectively through the upper and lower slot sections to hold a workpiece between the holding section and an edge of the fixture plate. The middle slot section being skewed at an inclined angle with the upper and lower slot section having vertical axes parallel to and spaced one from the other.

Abstract: The device comprises a blowing device (2) extending transversely to the screen travel direction, said device having two mutually parallel strips extending transversely to the travel direction of the screen, namely a leading strip (41) and a trailing strip (42), each of which contacts circulating screen (11) with a screen guide surface. Between the two strips is a blowing opening connected to a source of compressed air (62). Between leading strip (41) and screen (11) a wedge-shaped gap (45) is formed, tapering in the screen travel direction, in which gap a water-spraying device (3) terminates. Blowing device (2) is located inside the endless loop of screen (11), and water-spraying device (3) is located on the outside.

Abstract: Apparatus for removing surface layers from workpieces, especially for descaling hot rolled stock moved with respect to the apparatus, by spraying highly pressurized fluid, especially pressurized water on both sides of the rolled stock from rows of nozzles extending across the workpiece width and each including a plurality of nozzle heads is characterized in that the nozzle heads rotate and each nozzle head comprises at least one nozzle, preferably a plurality of nozzles uniformly distributed around its circumference. The number of nozzles, the rotary speed of the nozzle heads, and the speed of relative motion between the rolled stock and the apparatus are tuned such that desired average intensity and depth of removal are obtained.

Abstract: A new apparatus for treating substrates with fluids, as well as a corresponding fluid treatment method, is disclosed. The new apparatus includes a new configuration of fluid jet injectors which substantially overcomes the problem of dragout, in which fluid impinged upon an area of a substrate is retained on that area, preventing fresh fluid from reaching the impinged area. This new configuration also avoids imposing torques on substrates, and substantially reduces the need for rollers and guides for transporting substrates.

Abstract: A device for producing metallic bodies by spray coating with an atomized molten metal. The device has a housing at least partially enclosing a crucible, an atomizing device and a material discharge unit, and has through-openings for the workpiece holding device and for the workpiece, which through-openings are provided with seals. In order to ensure a reliable closure of the through-opening for the workpiece holder and workpiece in a simple construction, the rings (23) are supported so as to be rotatable in the through-openings (16, 17) of the housing (11) via bearings (24), at least two pierced disks (21, 22) are provided at each ring (23) and are arranged so as to be parallel and at a distance from one another, and a suction device (30) is connected with a space (33) between the pierced disks (21, 22) for producing a vacuum.

Abstract: An apparatus for cleaning stainless steel or aluminum shutter members in a blanked and generally U-shaped form as they are fed continuously comprises a guide rail for guiding the shutter members so that they are transferred in a specified direction and a plurality of cleaning nozzles through which a cleaning solution is sprayed onto the shutter members. A plurality of vessels for supplying the cleaning solution to the Cleaning nozzles are provided along the guide rail and the cleaning solution overflowing a supply vessel downstream the guide rail is allowed to flow into sequentially upstream supply vessels via flow lines. The cleaning solution is recovered from the most upstream supply vessel and, after the cleaning debris is separated out, the cleaning solution is supplied into the most downstream supply vessel. The apparatus enables efficient cleaning of the shutter members.

Abstract: A pipeline treating apparatus (600) is disclosed which has a pair of pivotally mounted housing sections (604,608) and a pair of separately pivotal nozzle frames (610, 612). A nozzle plate is mounted on each of the nozzle frames and carries a plurality of nozzles (622). A drive mechanism on the nozzle frames oscillates the nozzle plate a predetermined arcuate distance around the circumference of the pipeline so that the nozzles treat the entire outer surface of the pipeline. The housing sections and nozzle frames are separately pivotal from a removal position, to allow removal of an installation of the apparatus on the pipeline, to a operational position concentric about the pipeline for performing the treating operation.

Abstract: The invention relates to a humidifying device for hygienic articles such as toilet paper, sanitary towels, etc. and a dispenser of humidified hygienic articles. The aim of the invention is to provide a humidifying device which is usable alone or in a housing or integrated in a distributor of hygienic articles (40). This is achieved by the disclosed humidifying device which is comprised of a refill (2) consisting of a reservoir (3) which has been previously fitted with a vaporization pump (4), and a means for actuating said pump, characterized in that said actuation means is of the electric type and forms with the refill (2) an interchangeable electric assembly (6). The invention applies more particularly to humidified toilet paper dispensers.

Abstract: The device comprises an ultrasonic wave emitter (4) whose lower end portion (5) is immersed in the reactive solution (2) in which a sheet (3) to be pickled is immersed, and this end portion is provided with two emitting plates (6,7) respectively positioned on each side of an edge portion of the sheet (3) with their planar emitting surfaces parallel to the sheet and contained in two antinodal planes. Consequently, the two plates (6,7) vibrate in phase opposition and, if the vibratory amplitude is sufficiently large, these vibrations create a cavitation in the liquid in the space between the surfaces (3a,3b) of the edge portion and the plates (6,7) which considerably accelerates the rate of removal of scale from the edge portion.

Abstract: A plane of a treatment liquid holder having a number of through holes faces a treatment surface of a substrate. A treatment liquid is held between the treatment surface and the liquid holder by utilizing a surface tension of the treatment liquid. Since the treatment liquid is applied only to the treatment surface, an extremely small amount of treatment liquid suffices for the treatment. In addition, since a fresh treatment liquid can be used in every treatment, cross-contamination is suppressed and the treatment can be performed with safety at a low cost.

Abstract: A fluid treatment apparatus including a first fluid flow manifold having at least one fluid head positioned on a first side of a surface of a substrate to be treated by a fluid. The first fluid flow manifold includes at least two sets of a plurality of fluid jet injectors formed therein and apparatus for directing a fluid into the fluid jet injectors. Each of the fluid jet injectors creates a fluid jet impinging upon the surface of the substrate. Apparatus is interconnected with the first fluid flow manifold for supplying fluid to the fluid injector jets. Apparatus connected between the supply apparatus and the first fluid flow manifold alternates a flow of the fluid through the sets of fluid jet injectors. A fluid source is connected to the fluid supplying apparatus.

Abstract: The specification discloses an extrusion billet quenching system which directs a continuous circular curtain of water onto a billet to be quenched. The water delivery system is a spray ring defining a continuous opening about its entire circumference. The opening is defined by a pair of plates. Push and pull screws enable the width of the opening to be carefully adjusted. A reciprocating billet pusher assembly includes opposite cantilevered heads for pushing billets through the ring in either of two opposite directions.

Abstract: An image forming apparatus has an erasing device therein which automatically erases an image formed on a sheet by a recording agent implemented by a decolorizable coloring agent, e.g., toner. The erasing device emits light having a wavelength range of 820 nm or so while generating heat and may be constituted by a halogen lamp. As a result, the sheet is regenerated and can be repetitively used.

Abstract: Descaling device employing water to descale blooms, thin slabs, billets, etc., which cooperates with a mould and the zone immediately downstream therefrom, or with an induction furnace or rolling mill stands, the slabs or blooms (11-24) being fed in cooperation with the descaling device at a speed of feed of the order of 1.5-20 meters per minute, but advantageously between 4 and 10 meters per minute, the device consisting of at least one movable arm (12-13) bearing nozzle means (14) delivering descaling water, the movable arm (12-13) being associated with the face of the slab or bloom (11-24) to be descaled and having a working phase, in which the descaling water acts on the surface of the slab or bloom (11-24), and a shut-off phase, in which the descaling water does not act on the surface of the slab or bloom (11-24).

Abstract: An etching system for etching openings in a metal web including multiple etching station for etching a metal web from opposite sides, with each of the etching stations including a set of first bank of oscillatable nozzles located in a first chamber in the etching station, with the first bank of oscillatable nozzles having predetermined spacings from one another and operable for directing etchant at a first side of a metal web and a second bank of oscillatable nozzles located in a second chamber in the etching station, with the second bank of oscillatable nozzles having a predetermined spacing substantially identical to the first bank of oscillatable nozzles, with the second set of oscillatable nozzles laterally offset from the first set of nozzles, so they do not spray on directly opposite regions located on the metal web, with the banks of the nozzles in adjacent etching stations offset from each other with the oscillation axis of the nozzles at an angle off normal, so that etchant is sprayed in elliptical p

Abstract: The chuck for conveying semiconductor wafers has a pair of swing arms. Each arm has lower horizontal rods provided with a plurality of grooves for holding wafers and with vertical rods sandwiching the horizontal rods between them. A chuck cleaning apparatus has a cleaning chamber in a casing. A partition plate extends along the center of the cleaning chamber to divide it into first and second compartments. The top of the cleaning chamber is closed by a shielding plate, which has a pair of openings through which the arms come into and out of the cleaning chamber. A washing liquid pipe is incorporated with the partition plate in a horizontal direction. A pair of drying gas pipes extend horizontally in each of the first and second compartments and they are positioned a little higher than the liquid pipe, sandwiching each arm between them.

Abstract: An etching system for etching openings in a metal web including multiple etching station for etching a metal web from opposite sides with each of the etching stations including a set of first bank of oscillateable nozzles located in a first chamber in the etching station, with the first bank of oscillateable nozzles having predetermined spacings from one another, and operable for directing etchant at a first side of a metal web and a second bank of oscillateable nozzles located in a second chamber in the etching station, with the second bank of oscillateable nozzles having a predetermined spacing substantially identical to the first bank of oscillateable nozzles with the second set of oscillateable nozzles laterally offset from the first set of nozzles, so as not to spray on directly opposite regions located on the metal web with the banks of the nozzles in adjacent etching stations offset from each other with the oscillation axis of the nozzles is at an angle off normal so that etchant is sprayed in elliptic

Abstract: A wet toilet paper automatic supplier includes a toilet paper strip windably or foldably stored in a housing, a roller assembly having a plurality of rollers for directing the toilet paper outwardly from inside the housing by a driving device, a lower wetting device delivering water upwardly for capillarily wetting the toilet paper strip from an underside of the toilet paper strip, an upper wetting device positioned above the lower wetting device for indirectly distributing water downwardly towards the toilet paper strip, a paper discharging device for taking up the wetted toilet paper strip for discharging the wetted paper strip outwardly, and a pair of cuttig knives disposed on an upper and a lower side of the wetted paper strip for cutting the wetted paper strip to a desired paper length or size for providing an instantly wetting toilet paper for hygienic use.

Abstract: A method for washing a conveyer belt in a heat treatment apparatus permits washing of the conveyer belt without causing splashing of a washing fluid so as not to cause danger in operation and contaminate the surroundings and can cause deformation of the conveyer belt upon washing so as to vary the surface configuration and positional relationship of the components for making washing effective. The method comprises the steps of defining a washing fluid bath containing a washing fluid, and placing the washing fluid bath in a portion of a traveling path of the conveyer belt, within which at least one of configuration and positional relationship of components of the conveyer belt varies, for dipping the conveyer belt at the portion within the washing fluid bath.

Abstract: Apparatus for the cleaning of the exterior surface of a pipeline or the like includes a frame defining a longitudinal passage of a size sufficient to permit the pipeline to extend longitudinally therethrough. A first cleaning unit and a second cleaning unit are mounted on the frame. Each cleaning unit includes a plurality of jet modules. In turn, each jet module includes a rotatable jet nozzle mounted to deliver a jet of cleaning liquid toward the pipeline exterior surface. A high pressure cleaning liquid source is also provided and is connected to the rotatable jet nozzles to provide high pressure cleaning liquid to the nozzles.

Abstract: A system for descaling a strip of metal includes a nozzle assembly mounted within a spray box for spraying descaling product on the strip. The nozzle assembly includes a spray chamber; nozzles mounted directly to the spray chamber; and a heater for heating the chamber, the descaling product in the chamber, and the nozzles by conduction through the chamber. The nozzles are oriented to direct the descaling product in a spray against the upper and lower surfaces of the metal strip for an amount and a time sufficient to descale the metal strip. The nozzle assembly is attached to the spray box and can be easily removed therefrom for inspection.

Abstract: A method of washing hose using high water pressure, fire hose washing apparatus generally having a back plate, cleaning heads with spray nozzles mounted to the back plate, and optionally, guide rollers rotatably mounted to the back plate. Optionally, the apparatus may have rollers oriented to direct hose in a generally serpentine pattern. The washing apparatus may also comprise means for taking up washed hose, means for shutting off the hose washer including, for example, a hood switch or an electromechanical plate for sensing the hose coupling, means for washing the edge of the treated hose and means for loading hose into the hose washing apparatus. Also disclosed is a method of using the high water pressure hose washing apparatus and a high water pressure cleaning system.

Abstract: Spray apparatus for applying a fixative liquid chemical to freshly loaded railway coal cars includes a pivoting boom mounted atop a column. The column is both rotatable, to enable avoiding encroaching on a railway right of way, and vertically adjustable, to accommodate cars loaded to different heights. Boom pivot and column vertical movement are powered. Three rows of spray nozzles are supported from the boom. Each nozzle has its own valve. A first row of nozzles sprays the frontal, inclined surface of heaped coal. A second row sprays the main body of heaped coal, and a third row sprays the rearward, inclined surface. Photoresponsive sensors initiate spray signals, which are conditioned by timers. Progress of a railway car past these sensors initiates spray signals, which are suitably delayed, then discontinued, by timers. Total spray time for any one car is limited by an additional timer. Train speed is gauged by an observer, after which timing functions are determined to spray each car appropriately.

Abstract: A method and apparatus for translating parts along a path between processing stations. In a class of preferred embodiments, the parts are singulated electronic components, and the processing stations include nozzle arrays for directing jets of process fluid (such as water chemicals, gas or air) at the components. Each part rests on a pair of horizontally separated, endless belts. The top, bottom, and side surfaces of each part (and any leads protruding from the parts) are simultaneously exposed to treatment apparatus that may be positioned above and below the belts. If a downward-oriented nozzle array is disposed above the belts and an upward-oriented nozzle array is disposed below the belts, at the same position along the processing path, the top, bottom, and side surfaces of each part can be simultaneously exposed to process fluid jets from the nozzles.

Abstract: The specification discloses an extrusion billet quenching system which directs a continuous circular curtain of water onto a billet to be quenched. The water delivery system is a spray ring defining a continuous opening about its entire circumference. The opening is defined by a pair of plates. Push and pull screws enable the width of the opening to be carefully adjusted. A reciprocating billet pusher assembly includes opposite cantilevered heads for pushing billets through the ring in either of two opposite directions.

Abstract: In order when treating printed circuit boards with liquids, particularly during cleaning, etching, metallizing or rinsing, to achieve a precisely time measurable and effective treatment, the area supplied by means of a spray or swell nozzle or a stationary wave is limited by suction devices (24, 25, 41, 42). The latter are positioned upstream and downstream of the application (28, 38). The spray or suction nozzles (22, 24, 25) are arranged in a common casing and the boards (12) to be treated move horizontally passed its lower periphery.

Abstract: A continuous ultrasonic cleaning apparatus having excellent cleaning efficiency and holding/carrying capability of the product-to-be-cleaned is disclosed. The apparatus enables the speed of the conveyors to be increased, forced drying to be achieved and no stain nor water marks are formed even if water is used as a cleaning agent. The continuous ultrasonic cleaning apparatus utilizes a cleaning agent receiving/storage bath having a cleaning agent supplying/adding function for the cleaning bath positioned therebelow and an ultrasonic oscillator. Net conveyors for holding the product-to-be-cleaned are used and synchronized for carrying the product-to-be-cleaned. A high-speed air blower is mounted at a down-stream side of the cleaning bath. Even if water or pure water is used as a cleaning agent, the ultrasonic efficiency is high. When using the high-speed blower to dry the cleaning agent, the product is securely retained at its original position.

Abstract: A surface processing device for cleaning and other surface processing of running material, where the material is passed under movement in a path (19A) through the device, wherein the device is provided with means, comprising an inner cavity (13) that is fed with a processing agent under pressure and has a jet forming slot (20) to direct to the running material a well defined laminar jet of the processing agent under an acute angle.

Abstract: The process and apparatus more particularly relate to the manufacture of printed circuit boards. They are successively treated with a liquid on their top and bottom and intermediately turned over. The boards (23) are horizontally supplied to the turning over station (16) and after turning over are supplied to the station for the treatment of the second side thereof.

Abstract: A jet pickling apparatus for pickling the surfaces of continuously moving sheet material (12) has tips of the nozzle headers (41-43) for discharging a pickling fluid (19) on the surfaces of the sheet and into a pickling tank (31) formed into a slit shape (41a-43a), and the nozzles (41,42) at the entrance side are installed to eject pickling fluid in the same direction as the running direction of sheet while the nozzle (43) at the exit side ejects the pickling fluid in the direction opposite to the running direction of the sheet. Therefore, there is no gas in the pickling tank (31) and the tank is filled with the pickling fluid (19), which eliminates the problems of floating of the sheet (12) and insufficient contact of the pickling fluid (19) with the sheet surfaces, allowing thorough pickling and improving the pickling effect.

Abstract: An apparatus for applying a fluid to a moving carrier strip includes a distributor and a plurality of individual flow channels which together form a multi-jet nozzle. The individual flow channels in the form of capillary tubes are arranged at right angles to the distributor axis at equal distances along a longitudinal line parallel to the distributor axis. The capillary tubes protrude into an internal chamber of the distributor and the capillary tube located at each end of the longitudinal line protrudes further into the interior of the distributor than the other capillary tubes.

Abstract: Apparatus for cleaning chicken droppings from one or more mats used as nesting material in chicken nests in a chicken house. The invention includes a housing having a plurality of rollers therein for conveying a mat and pulverizing the chicken droppings adhering thereto. The rollers are paired with each pair including a fluted roller having a plurality of axially extending ridges thereon and a cylindrical roller defining a plurality of radial grooves thereon which cooperate with the ridges to pulverize the chicken droppings. Sprayers are provided to dislodge the pulverized chicken droppings from the mat. A plurality of guide plates are provided to guide the mat through the enclosure and support the mat during spraying.

Abstract: Apparatus for pickling metal sheet as it moves along a generally flat horizontal path, comprises elongated shallow and sequentially arranged electrolytic pickling and mixed acid pickling tanks each having input and output ends and through which metal sheet to be pickled is continuously fed along a linear, flat path through the use of support rolls underlying the metal sheet at spaced locations between the input and output ends of the tanks. Pickling liquid is maintained in each of the tanks at a given level above the support rolls, whereby the sheet material is immersed in the pickling liquid between the input and output ends of the corresponding tank. Each tank has guide rolls at the input and output ends thereof for guiding the sheet material therethrough, and the support rolls are driven at the speed of the sheet material to minimize the tension on the sheet as it is being pickled.

Abstract: A cleaning device having a storing tank storing noncombustible or incombustible liquid, a covering member being formed by placing a lower end opening in the stored liquid in the storing tank, the combustible solvent and the cleaned object being brought into contact with the covering chamber of a spacing formed by the covering member and the stored liquid to constitute the cleaning part for performing the cleaning operation.

Abstract: A solvent control arrangement for stripping liquid solvent from parts being degreased/defluxed in a degreaser or defluxer by intimate contact with liquid solvent or a vapor phase thereof is disclosed. The solvent control arrangement comprises a tank or box having an open end extending downwardly into the vapor zone in an exit area of the degreaser/defluxer to define a flash drying chamber above and in communication with the vapor zone. The solvent covered parts are directed into the flash drying chamber from the vapor zone where heat is applied to heat the air in the flash drying chamber to a temperature above the solvent boiling point to thereby evaporate liquid solvent on the parts. The parts are then returned from the chamber into the vapor zone where they ultimately exit the degreaser/defluxer from the exit end. Optionally, condensing coils may be disposed in the chamber at the vapor line to condense solvent in the chamber and prevent the solvent vapor zone from encroaching within the chamber.

Abstract: An apparatus and method for removing a coating of undesirable material from a substrate of desired material by impacting the coating with narrowly focused streams of fluid discharged at high velocity from nozzle tips rotated rapidly by a nozzle head during linear, relative movement between the nozzle head and the coated substrate. The nozzle head may be rotated by a motor or self-actuated by tilting the tips out of the plane of the spin axis. The nozzle tips also may be canted radially to undercut and peel away the coating. The nozzle assembly may be continuously or intermittently actuated, fixedly or movably mounted, and used singularly or in plural array. Specific applications are described for descaling metal, cleaning electrolytic bath deposits from electrodes, and removing resinous materials from metal surfaces.

Abstract: Hydrocleaning apparatus for pipelines and the like includes a frame capable of advancing lengthwise of the pipeline, such frame carrying a plurality of liquid jetting modules which, in use, are disposed in an array around the pipeline surface to enable cleaning of the entire surface to be effected. The frame can be opened of the entire surface to be effected. The frame can be opened up to allow the apparatus to be fitted to or removed from a continuous pipeline. The frame arrangement and module mounting system are designed to provide good cleaning efficiency and proper orientation of the various modules in spite of pipeline irregularities including out-of-round conditions, uneven coating thicknesses and wrinkles. A pivoting module mount helps to maintain cleaning efficiency in the case where thick coatings are being removed. The frame drive wheels are disposed forwardly of the modules to avoid contamination of the cleaned surfaces by deposits that may build up on the wheels.

Abstract: In a liquid cleaning process and apparatus where work pieces such as printed circuit boards are cleaned in an isolated enclosure, there is provided an inert gas purging system within the enclosure and a recycling condenser within the isolated enclosure to recycle all vapors from cleaning tanks within the enclosure. The apparatus has a cleaning tank and a water tank, an isolated enclosure extends between the tanks and has liquid seal dividers that extend down into the tanks. The work pieces pass on a conveyor through the cleaning tank, under a first divider, and into the enclosure where cleaning occurs. The work pieces then pass through the water tank under the second divider. A condenser is positioned above the isolated enclosure which condenses vapors rising from the enclosure and the condensate is recirculated to the cleaning tank and the water tank.

Abstract: A cleaning apparatus capable of substantially complete removal of contaminations generated during the manufacturing process of glass substrates, semiconductor wafers, magnetic disk substrates, magnetic head substrates or the like. The cleaning apparatus comprises a cleaning bath which is greater in cross section than the material to be cleaned and which has an opening portion for insertion of the material to be cleaned, and an ultrasonic transducer attached to the cleaning bath. The apparatus precludes various defects arising from contaminations, and enhances reliability and yield of the substrates manufactured.

Abstract: Blank washer for cleaning individual sheet metal blanks with a drawing compound liquid suitable for press operations which employs pressurized liquid vortex diffuser means to replace conventional scrubbing brushes. An enclosure with air knives at entrance and exit to the blank washer provides closed loop recirculating of both air and cleaning liquid, which is filtered and repumped to plenum chambers feeding individual vortex diffuser cylindrical outlets which discharge liquid vortexes in close proximity to the passing sheet metal.

Abstract: Hydrocleaning apparatus for pipelines and the like includes a frame capable of advancing lengthwise of the pipeline, such frame carrying a plurality of liquid jetting modules which, in use, are disposed in an array around the pipeline surface to enable cleaning of the entire surface to be effected. The frame can be opened up to allow the apparatus to be fitted to or removed from a continuous pipeline. The frame arrangement and module mounting system are designed to provide good cleaning efficiency and proper orientation of the various modules in spite of pipeline irregularities including out-of-round conditions, uneven coating thicknesses and wrinkles. A pivoting module mount helps to maintain cleaning efficiency in the case where thick coatings are being removed. The frame drive wheels are disposed forwardly of the modules to avoid contamination of the cleaned surfaces by deposits that may build up on the wheels.

Abstract: An apparatus for injecting two fluids is provided with a first elongated header which extends in a straight line and is supplied with a first fluid, a second elongated header which extends along the first header and is fixed to the backside of the first header, a nozzle lead-in member for leading the first fluid from the first header and the second fluid from the second header, and a nozzle for mixing and injecting the fluids from the nozzle lead-in member. Such apparatus for injecting two fluids has a simple construction and can be produced efficiently.

Abstract: A treatment cell for spraying two phase treatment fluid on a continuously moving strip work product is enclosed within an air impervious containment chamber having ingress and egress openings to receive and discharge the work proudct. Air knives in the containment chamber receive air under pressure from a blower and this air strips any residual treatment fluid from work product at the chamber entry and egress openings. The air blower is within the chamber and the only air used through the air knives is continuously recycled entirely within the chamber. Cooling coils low in the chamber condense some of the vapor phase treatment fluid from the air in the container and all of the liquid phase of the treatment fluid flows by gravity to a sealed sump for reuse in the treatment cell.

Abstract: A high speed pickling device for causing a thin plate to travel in acid fluid and removing through pickling oxidized scales which are formed on the surfaces of the thin plate, a plurality of weir members which dam wakes of the acid fluid flowing along the surfaces of the thin plate over substantially the entire width of the thin plate are provided in the traveling direction of the thin plate with a predetermined interval and close to the thin plate.The weir members are provided close to the surfaces of the thin plate for damming and stripping off wakes of the acid fluid flowing along the surface of the thin plate at the inlet sides of these weir members, the acid fluid is caused to deflect in the opposite direction away from the thin plate, and fresh acid fluid is sucked onto its surface at the outlet sides of the weir members along with the traveling of the thin plate.

Abstract: A high water pressure, fire hose washing apparatus generally having a back plate, cleaning heads with spray nozzles mounted to the back plate, and optionally, guide rollers rotatably mounted to the back plate and oriented to direct hose in a generally serpentine pattern, a drive roller and a pressure roller rotatably mounted to the back plate. Optionally, the washing apparatus may also comprise means for taking up washed hose, and means for loading hose into the hose washing apparatus. Also disclosed is a method of using the high water pressure hose washing apparatus and a high water pressure cleaning system.

Abstract: The cleaning method of the present invention comprises; (a) immersing a material to be cleaned in a mixed solvent contained in the first open vessel, wherein the mixed solvent consists of a chlorofluoro-hydrocarbon with a boiling point of 20.degree.-50.degree. C. and an organic solvent with a boiling point of 50.degree. C. or more higher than that of said chlorofluoro-hydrocarbon and compatible therewith, but not azeotropic therewith, and kept at a temperature within a range between the boiling point of the chlorofluoro-hydrocarbon and a temperature of at least 30.degree. C.

Abstract: An apparatus for washing storage batteries comprises a rinse section for removing water soluble acid, followed by a wash section to remove non-soluble contaminants. The water in the rinse section is isolated from the water in the wash section. Means are provided for collecting acid solution from the rinse section, and for filtering and recycling the water in the wash section. Batteries are moved through the sections in sequence on a carrier. In a preferred embodiment, the rinse section comprises a partitioned collecting pan underlying the carrier to create sequential rinsing in progressively less acidic rinse water and to concentrate the most acidic rinse water before the first partition for extraction as an acid solution. A drying section using air blowers along the carrier may be included after the washing section.

Abstract: Hydrocleaning apparatus for pipelines and the like includes a frame capable of advancing lengthwise of the pipeline, such frame carrying a plurality of liquid jetting modules which, in use, are disposed in an array around the pipeline surface to enable cleaning of the entire surface to be effected. The frame can be opened up to allow the apparatus to be fitted to or removed from a continuous pipeline. The frame arrangement and module mounting system are designed to provide good cleaning efficiency and proper orientation of the various modules in spite of pipeline irregularities including out-of round conditions, uneven coating thicknesses and wrinkles. A pivoting module mount helps to maintain cleaning efficiency in the case where thick coatings are being removed. The frame drive wheels are disposed forwardly of the modules to avoid contamination of the cleaned surfaces by deposits that may build up on the wheels.