Abstract: An apparatus and method for cleaning solder paste from stencils, screens, misprinted circuit boards, and tools associated with the manufacturing of surface mount technology circuit boards. The apparatus includes a holder assembly for holding the solder-laden objects during cleaning and rotatable spray arms connected with a chemical pump for spraying a transversely directed, cyclic waves of solvent onto the object's surfaces. The cleaning action of the spray arms permits use of the solvent at or below room temperature thereby substantially reducing evaporative loss of solvent, environmental injury resulting from such evaporative loss, and exposure of workers to solvent vapors. The apparatus includes filters for filtering heavy metal particles washed from the objects to contain the heavy metals for safe disposal. Safety mechanisms are included in the apparatus to prevent worker injury.

Abstract: A method and apparatus for cleaning the interior of storage tanks of the type used for storing large volumes of liquids, such as crude oil, wherein hydrocarbon sludge accumulates with the passage of time, such apparatus comprising a hollow housing, liquid agitation means including a plurality of nozzled outlet jets laterally rotatably mounted on the housing in fluid communication with the hollow interior thereof, connecting means comprising an independently rotatable tubular casing rotatably mounted on the housing in fluid communication with the interior thereof, the tubular casing having a kelly mounted therein and being operatively connected with the nozzled outlet jets, and multi-joint support pipe means rotatably joined to the connecting means in fluid communication with the interior of the tubular casing.

Abstract: A sink located dishwasher is disclosed having a cover for the sink, a rack for dishes locatable in the sink, and a removable spray arm assembly mounted in the sink drain. The spary arm assembly includes a spray arm rotatably mounted at the upper end of a hollow shapft to rotate in the sink below the rack. A pair of seals are provided on the shaft to seal the shaft within the drain. Water is pumped from the drain above both seals and returned to the drain between the seals from where it flows up the hollow shaft and rotates the spray arm.

Abstract: Cleaning apparatus for cleaning a generally planar generally horizontal surface comprises at least one nozzle for providing a jet of cleaning liquid directed against the surface and which is mounted by an arm on a shaft for rotation about the axis of the shaft which is perpendicular to the surface. The nozzle rotates within a chamber defined by a casing assembly which has an open lower end closed by the surface to the cleaning and which carries a seal for sealing against the surface to contain cleaning liquid within the chamber. The casing assembly defines a peripheral liquid collection region from which the liquid is withdrawn through an outlet by a pump. The nozzle is self-motivating and may be associated with an impellor having blades for inducing flow of ambient fluid, e.g. air, into the chamber, the air flowing out of the chamber with the cleaning liquid and assisting removal of cleaning liquid therefrom.

Abstract: An apparatus for effecting the separation of filter plates within a filter press for washing is disclosed. The apparatus includes a guide track having mounted thereon a slidably reciprocal carriage. The carriage includes multiple pivoted pawls having an abutment surface defined thereon for contacting a filter plate to be transported. The pawl is held in a raised orientation by a resilient spring means. The carriage is driven along the guide track by a pressure displaced piston in a rodless cylinder or tubular member. Positioned within the tubular member are two pressure chambers, one on each end of the piston. Pressurized fluid is controlledly introduced into one or the other of those chambers to effect a displacement of the piston. A pair of shifter carriages are provided at the top of and parallel to the filter stack. A plate washer includes a vertical pair of rodless cylinders connecting a pair of vertically movable cross-bars, each cross-bar mounting a series of wash spray nozzles.

Abstract: An apparatus for cleaning and sealing the peripheral knife edge of a coke oven door has a vertical mast which is positioned adjacent one edge of a door suitably supported in vertical position on a door rack. A treatment carriage in the form a horizontal arm is mounted for vertical reciprocation along the mast. Spray heads are mounted on an endless conveyor chain looped around turning point sprockets at opposite ends of the treatment carriage. The diameter of the turning point sprockets and the distance therebetween are related to the curvature of the corners of the door and the width of the door so that as the drive chain traverses the upper part of its endless run the spray heads can spray a path corresponding to the profile of the top edge of the door and the curved corners at opposite ends thereof.

Abstract: Automatic hair shampoo machines were the basis of my U.S. Pat. No. 3,521,647. It overcame the problems associated with prior automatic shampoo machines. One of the imperfections of my earlier hair shampooing apparatus was its washing action. Another one was that during the time the apparatus of U.S. Pat. No. 3,521,647 was in service, it became apparent that the use of liquid tanks or reservoirs imposed limitations on its use. Still another area subject to improvement was a lack of a hair drying apparatus. By improvements herein a hair shampoo machine is provided which can be used unattended. It has an improved washing action, uses no tanks, and incorporates a hair drying apparatus. The washing action has been improved by, among other things, manifolds mounted at definite angles to complement each other. The solution tanks have been eliminated and replaced by a system which injects quantities of hair treating solutions. The hair drying apparatus includes outlets in the bowl or cover of the machine.

Abstract: A wash tub for a dishwasher has a rectangular cross section and houses a spray arm rotatable about an axis adjacent to the center of such cross section. Larger side walls of the tub are provided with recesses capable of receiving the end portions of the spray arm during rotation thereof. The length and washing effectiveness of the rotary spray arm are increased.

Abstract: Vehicle washing apparatus positioned above or at the side of the path followed by a vehicle to be washed. For side washing apparatus, pairs of spaced nozzles are reciprocated in a vertical plane to provide vertical coverage. The nozzles of a pair are angled toward each other, so that one nozzle sprays the front of the vehicle as the vehicle approaches, both nozzles spray the side of the vehicle as the vehicle passes, and the other nozzle sprays the rear of the vehicle as it departs. For top washing apparatus, the pairs of spaced nozzles are reciprocated in a horizontal plane to provide horizontal coverage. The angle nozzles contribute to the washing of the front and rear of a vehicle in addition to washing the top surfaces.

Abstract: The present invention provides a novel high pressure water cleaning device. The cleaning device of the present invention provides means to mechanically manipulate a high pressure water nozzle. The invention is particularly suitable for cleaning the drier trays of tunnel driers which are used in rubber manufacturing processes.

Abstract: A parts washer and a method of washing parts. The parts washer has a cabinet having a rotatable turntable for carrying parts in a circular path and an oscillating spray manifold has spray nozzles directed toward the top, bottom and side of the parts and is caused to oscillate in an advancing movement counter to the direction of travel of the parts on the turntable and a return movement. The rate of travel of the spray nozzles varies in the two directions of movement with slower travel in the advancing movement and fast return movement to insure that successive sprays delivered by the spray nozzles in the advancing movement overlap on the parts to avoid any striping effect on the parts.

Abstract: A device for cleaning the heat-exchanging surface of a storage medium of a regenerative heat exchanger which has a rotatably driven hood. The device utilizes rinsing or cleaning fluid which is discharged from at least one spray nozzle essentially parallel to the planes of the heat-exchanging surfaces. The spray nozzles are movable relative to the storage medium. In order to provide a structurally simple, light-weight cleaning device which can be housed in a space-saving manner, the spray nozzle is disposed at the end of an at least two-part, telescopic nozzle holder which is mounted on the hood of the regenerative heat exchanger and is connected by a supply line with a transfer mechanism disposed in the center of rotation of the hood. The transfer mechanism includes a tubular piece which rotates with the hood, and a stationary housing which is sealed off relative to the tubular piece. The adjustment movement of the movable part of the nozzle holder can be derived from the rotational movement of the hood.

Abstract: Bituminous and other coatings are removed from a pipe surface by directing powerful water jets, e.g. under a pressure of 300-600 bars, and preferably under an acute angle of incidence, against such pipe surface. The apparatus has one or more nozzles, each provided with water supply means, in a frame that can be mounted around the pipe to be treated. In a preferred embodiment, the nozzles are arranged in groups on rotatable annular discs which surround the pipe with some clearance and which receive a reciprocating rotary movement during operation, while the frame carrying such discs is adapted for travelling in longitudinal direction of the pipe. If both movements are coordinated, i.e. effected simultaneously then, each nozzle will follow a zigzag path along the pipe surface, thereby covering a vast area and removing bituminous or other coatings in a fast and efficient way.

Abstract: An assembly for cleaning ships' hulls of such marine growth as seaweed, shell etc. is disclosed. The assembly has a frame with rotating brushes, the frame being reciprocally pivotal over the hull in an arcuate direction by being connected to one end of an arm or the like. The other end of the arm is pivotally connected to a joint which forms a stationary point for the assembly.

Abstract: The invention refers to a spray nozzle arrangement for metal strand casting plants, particularly steel strand casting plants with several nozzles on one spray plane, such nozzles being adjustable with respect to the distance from the casting strand, and with each other in parallel direction; they are also adjustable at right angle with the course of direction of the strand by means of parallel adjusting devices. Adjustment of the spray nozzles serves the purpose to either control the cooling intensity via the impact energy, or to adapt the spray angle of a certain spray nozzle to a change in strand width. Both steps may be used in combination for the adjustment required.

Abstract: Two embodiments of an assembly for directing a fluid, such as a combination of air and a liquid, toward a vehicle headlamp for cleaning the headlamp surface. A support member is adapted at a first end to be connected to a vehicle body adjacent a headlamp and extends to a forward end which supports a nozzle guide or cage member. The assembly includes an elbow member having a fluid inlet and support flanges for receiving retaining fasteners. A supply tube is connected to the inlet of the elbow. The elbow member has an outlet which extends transversely of the inlet and a flailing flexible tube is connected to the outlet and has a loop integral therewith extending about the elbow member for retaining the flailing tube thereon. The cage member has a terminal end defining an opening and is of generally funnel shape for restricting the flailing movement of the emitting end of the flailing tube. In the second embodiment a cover is disposed over the cage member.

Abstract: Disclosed is a boom sprayer assembly for applying herbicides, or the like, in a controlled pattern about a row of trees, bushes, etc. A boom arm of changing length and angular position carries a bell-shaped sprayer hood which is free to rotate independently of the spray nozzle it encloses. The hood acts as a position sensing element to guide the boom so that the desired spray pattern is put down around the row of trees or bushes without permitting the spray to reach the foliage of the bushes or tree trunks.

Abstract: An arrangement for oscillating a rotating dishwasher spray arm about its longitudinal axis to direct the jet sprays at the dishware items at various differing angles including forward, reverse and vertical inclinations to increase coverage and to improve the jet spray washing action by reducing shadowing. The oscillation is produced by a drive gear and crank mechanism driven by a fixed reaction gear as the spray arm rotates. Jet reaction forces are utilized to rotate the spray arm and are related with respect to the axis of rotation of the spray arm so that the resultant torque causing rotation of the spray arm does not significantly vary as the spray arm is oscillated to insure the proper rotational speed of the spray arm. The frequency of oscillation relative to the frequency of rotation is selected to be such that a number of differing jet spray angles are produced for each rotational position of the spray arm in successive revolutions thereof to minimize shadowing effects.

Abstract: Vertically oriented cathode grids or cathode plates, adjacently situated at closely spaced intervals in a cathode box, are cleaned by spraying jets of liquid onto the cathode surfaces at an angle of about 10.degree.-50.degree. and at a pressure of about 60 to 140 atmospheres, while moving the liquid jets uniformly along the cathode surfaces. A device for performing this process comprises a bar shaped spraying means comprising spraying nozzles which are connected to pressure resistent feeding means for the liquid.

Abstract: A complete dishwasher and sink assembly, including equipment usually installed separately, forms a unit that can be inserted in a cut-out in a countertop, and supported and secured in position at a peripheral flange. The connections to the associated utilities are positioned for maximum convenience to standard locations. A sink is pivotally mounted to provide a cover for the dishwasher chamber, and stiffener-deflector arrangements are provided to assure that the interior spray does not produce leakage out to the countertop through ventilation passages at the peripheral flange. Spray is applied to racks of dishes, preferably from rotating spray heads mounted on a movable carrier, with the supply of water to the spray heads being conducted via the hollow interior of the carrier and also the hollow interior of a sequence of interconnected links. The rotatable spray heads are also hollow, with molded projections forming directional jet orifices.

Abstract: A spraying device for use in a bottle cleaning machine is disclosed having a conveyor chain which is movable through the cleaning machine. A plurality of bottle receiving receptacles are supported from the chain and the bottles to be cleaned are carried in the receptacles. A plurality of spray tubes having a nozzle for directing the spray in a fixed direction with respect to the tube are mounted for pivotal movement so that the spray from each tube is directed through a predetermined spraying zone into a bottle as the conveyor chain moves through the cleaning machine and as the spray tubes are pivoted through a spraying zone. The spray tubes are aligned in series so that the spray from each tube is directed into one of the bottles and so that the axes of the sprays from the different tubes are parallel, and coupling means connect each of the spray tubes with each other so that they pivot through the zone together.

Abstract: Apparatus for cleaning incrusted deposits from the regions of coke oven doors between a central refractory sealing plug and a surrounding sealing edge or strip with the use of two pairs of nozzles carried on the upper and lower ends of a frame which can traverse the inner end of the door on which the sealing plug is carried. The frame has a length preferably one-half the height of the door such that the upper nozzles will clean the upper half of the door while the lower nozzles clean the lower half. The nozzles are pivotally carried on the frame such that they can be actuated to clean the horizontally-extending portions of the door between the sealing plug and the sealing strip at the upper and lower extremities of the door.

Abstract: Apparatus and method for removing tarry deposits from the sealing surface of coke oven doors. At least the lowermost portion of the sealing surface is cleaned by reciprocating, fan-shaped, high pressure water jets, directed so as to undercut the tarry deposit. Removal of the deposits from the side portions of the sealing surface may be accomplished by the use of movable scraper blades which on encountering a hard deposit are adapted to be pressed more firmly into the deposit.

Abstract: A water driven pool cleaning device to sweep a swimming pool floor which includes a housing and a conduit to connect the housing to a water source. Water flow is directed through the housing and through a rotatable pair of arms, journaled for rotation above the housing, to distally arranged nozzles which are arranged to cause the arms to rotate and to cause debris on the pool floor to be flowed by water toward the housing. The housing defines a trap to collect the debris. The arms are connected to the housing so as to permit travel of a roller on the arms over the high and low areas of a pool floor.

Abstract: An assembly for directing a fluid, such as a combination of air and a liquid, toward a vehicle headlamp for cleaning the headlamp surface. A box-like support member is adapted at a first end to be connected to a vehicle body adjacent a headlamp and extends to a distal end to be positioned forwardly of the headlamp. The distal end of the box member includes a front wall with an aperture therein to define retaining flanges. An elbow member having a fluid inlet is disposed within the box member and has support flanges which overlap and engage the retaining flanges of the box-like member. A supply tube is connected to the inlet of the elbow and a coil spring is disposed about the supply tube and engaging the elbow member urging the elbow member forwardly. The elbow member has an outlet which extends upwardly and rearwardly from the inlet and a flailing flexible tube is connected to the outlet and has a loop integral therewith extending about the bottom of the elbow member for retaining the flailing tube thereon.

Abstract: An arrangement mountable on the rim of a bidet receptacle or a toilet for providing bidet applications and hygienic cleansing in conjunction with the use of the toilet. Brackets are fastened to the rim of the toilet and carry a pivoted arm on which are mounted a water spray head and a dry air head. These heads are moved over selected areas of the opening of the receptacle or toilet. The arm may be rotated, tilted, and slid to cover the area of the receptacle opening. The arm may also be manipulated manually or by mechanical means in accordance with the cleansing requirements of the user.

Abstract: A pool cleaning device for use in connection with a pump to circulate water of a pool, which device includes a housing with an outlet and structure connecting the outlet to the circulating pump and a rotatable arm journaled to the housing including a jet to cause the arm to rotate and including an inlet to direct water from the pool toward the housing, so that debris which is in the water adjacent the bottom will be directed to exit through openings in the housing and through the outlet of the housing to be filtered in a filter which is conventionally included in the combination with a pool pump.

Abstract: A machine comprising a trough with pipe pieces provided one at each end thereof for the purpose of accommodating wheeled trolleys carrying the containers. A tubular frame with nozzles is positioned over the trough and is adapted to move axially therealong. The frame is arranged to communicate with the source of the washing medium for the purpose of delivering the washing medium to the nozzles. The trough consists of a stationary bottom member and side flaps mounted adjacent thereto. A drive is arranged to open said flaps during the washing process and close them after the washing to permit the container to be moved in the trough. The machine is simple in construction and can be readily fitted to a pneumatic conveyance pipeline handling domestic refuse and other loads contaminating the conveyance containers.