Abstract: A method and apparatus for continuous galvanizing of a linear element wherein controlled flow of molten zinc onto the linear element is effected through one or more nozzles, whereby galvanizing may be accomplished without immersion of the linear element in molten zinc. In a preferred embodiment, the apparatus of the invention comprises an annular nozzle having a central opening through which the linear element is axially advanced. The nozzle is configured to provide a converging, generally frustoconical curtain of molten zinc flowing continuously onto the exterior surface of the linear element.

Abstract: Apparatus for coating an outer periphery of a columnar structural body comprising (a)a holder for supporting a columnar structural body; (b) a coater for coating the outer periphery of the columnar structural body with a coating material, (c) a feeder for feeding the coating material to the coater; (d) a driving unit for rotating at least one of the columnar structural body and the coater relative to each other around an axis of the holder; and (e) a doctor blade spaced from the outer periphery of the columnar structural body by a given distance for uniformly spreading a coating material applied around the outer periphery of the columnar structural body.

Abstract: The disclosed method relate to a cleaning nozzle which, in multiple embodiments, is rotated in a circle or in an ellipse, being one nozzle in one embodiment and multiple nozzles in alternate embodiments so that the surface of a pipeline can be clean with high pressure water or other fluids. Furthermore, the rotating nozzle is supported in a carriage in one embodiment which encircles and travels along a pipeline. The carriage is supported by drive wheels which cooperate with separate drive motors and a control circuit to assure that the carriage remains upright. Multiple rotating nozzles are supported in the carriage to clean adjacent portions of the pipeline. Alternate embodiments are shown for cleaning a horizontal surface with a hand pushed or motorized version, and another version is disclosed supported on a moveable boom, thereby enabling cleaning of an upstanding vertical surface such as the hull of a ship.

Abstract: A reagent dispensing apparatus is provided including a positive displacement syringe pump in series with a solenoid valve dispenser. The pump is controlled by a stepper motor or the like to provide an incremental quantity or continuous flow of reagent to the solenoid valve dispenser. The solenoid valve is opened and closed in at a predetermined frequency and duty cycle to dispense droplets of reagent onto a target substrate at the metered flow rate.

Abstract: A reagent dispensing apparatus is provided including a positive displacement syringe pump in series with an air brush dispenser. The pump is controlled by a stepper motor or the like to provide incremental or continuous flow of reagent to the air brush dispenser. The air brush dispenser mixes the predetermined incremental quantity or continuous flow of reagent with pressurized air to atomize the reagent and produce an aerosol spray pattern which coats the substrate.

Abstract: A tire soaper apparatus including a soaper station and a conveyor for selectively advancing tires to the soaping station. The soaping station is characterized by a translationally mounted rotator for being moved into engagement with a tire to thereby rotate it, a pivotally mounted soap applicator located above the conveyor for selectively contacting the beads of the tire, and a soap dispensing circuit for selectively providing soap at the soap applicator for applying soap to the beads of the tire. The soap applicator is pivoted into the central opening of the tire and engages, via bead receptacles, each of the beads thereof. The tire is rotated by the rotator rotating against the tread of thereof, wherein the rotator moves translationally toward the soap applicator so that the tire is squeezed therebetween with the beads seated in the bead receptacles and soap transferred to the beads as the tire rotates in relation to the soap applicator.

Abstract: A coater is provided for coating objects with a liquid material. The coater includes a flume that has an entry and an exit end, a supply of liquid coating material upon which the objects float, and a circulation system. The circulation system delivers the liquid material to the entry end of the flume so that the liquid material flows toward and out the exit end. The coater also includes a conveyor that loads the objects into the flume and a conveyor that receives the objects at the exit end of the flume.

Abstract: A method and apparatus for the application for one or more deposits of material to a succession of discrete articles such as fasteners as is provided. The method and apparatus of the present invention deposits a droplet or extended bead of thermoplastic or thermoset material onto the surface of a part that is urged into a postion once it solidifies to extends above the surface of the part to create assembly resistance when the part is assembled into or over another part.

Abstract: A printed circuit board ("PCB") is moved on a conveyor towards an ultrasonic spray head ("head") that is mounted below the PCB on a guide rail. The guide rail and the direction of motion of the PCB define an acute angle. When the PCB reaches a predetermined position, the head begins a motion across the PCB, spraying a rectangular swatch of soldering flux. The velocity of the head is controlled such that the swatch of flux is substantially perpendicular to the direction of motion of the PCB. After spraying, the head deactivates and reciprocates back across the PCB such that no flux is sprayed. The cycle repeats after a predetermined delay whereby adjacent swatches of flux do not substantially overlap.

Abstract: A minimal amount of waste in liquid resist material is achieved by dispensing through small openings at close proximity to the substrate. An airtight substrate chamber as well as airtight sealing of dispensing assembly and airtight sealing of the space that does not have to be opened for substrate loading and unloading, are used to facilitate a uniform and planarized coating after a high-speed spin off of excess resist.

Abstract: A method and apparatus for continuous galvanizing of a linear element wherein controlled flow of molten zinc onto the linear element is effected through one or more nozzles, whereby galvanizing may be accomplished without immersion of the linear element in molten zinc. In a preferred embodiment, the apparatus of the invention comprises an annular nozzle having a central opening through which the linear element is axially advanced. The nozzle is configured to provide a converging, generally frustoconical curtain of molten zinc flowing continuously onto the exterior surface of the linear element.

Abstract: An apparatus for conveying discrete parts between first and second locations. The conveying apparatus has a receptacle for at least one part. Structure is provided for guiding movement of the part receptacle between the first and second locations. Structure is also provided for conveying the part receptacle a) from the first location to the second location and b) from the second location to the first location.

Abstract: A process and apparatus are described for the production of a filter in the form of a ceramic honeycomb body monolith, starting with a blank of the honeycomb body monolith with the bilaterally open ducts. An image-recording and processing system scans the end faces of the monolith and determines the deviations of the actual geometry of the ducts to be alternatingly sealed from the geometry of an idealized honeycomb body. The image-processing system determines zones on the respective end face of the monolith which correspond, within predeterminable tolerances, to the geometry of the idealized honeycomb body, wherein zones are determined having a maximally high number of ducts. In correspondence with the determination of the aforementioned zones, a processing route is established which predetermines which one of several metering heads with a varying number of nozzles will be activated. The nozzles then inject a plugging compound into the thus-determined ducts.

Abstract: An apparatus and method is provided for safely rotating large for apply flammable tank coating materials in a spark free environment. The tank is continuously rotated for drying while being relocated to a drying position permitting another tank to be brought to a position for the tank coating process. A hydraulic motor assembly is used to drive the apparatus in its rotational and relocation modes. A hose festooning array permits the continuous rotation and relocation of the rotating tanks while maintaining the safe environment. The hose festooning array provides automatic storage and distribution of the hose between the motor assembly and the remotely positioned pump. A chain driven by another hydraulic motor provides the driving force to reposition the tanks using a track system.

Abstract: An apparatus for forming a resin coating on the surface of an article having a three-dimensional structure, comprising: (i) a compartment (a) in which the surface of the article is coated with a resin solution, (ii) a compartment (b) in which said resin solution coated on said article is cured; and (iii) means for successively transporting said article through said compartments; wherein said compartment (b) is substantially shut off from the outside air and has an entrance and an exit for said article transport means, said entrance and said exit being provided with respect guide members having substantially the same cross-sectional configuration.

Abstract: An apparatus for administering an adhesive for attaching carpet to undercushion and ceramic tiles and other flooring to a substrate. The apparatus includes a reservoir for holding the adhesive, support rails, a pressure tank, a conduit for conducting a gas from the pressure tank to the reservoir, a pressure regulator in series with the conduit and an applicator head for dispensing the adhesive to the substrate. The applicator head may be pivoted into an inoperative position for preventing discharge of adhesive therefrom.

Abstract: An external pipe covering apparatus is provided for coating exterior surfaces of uncoated longitudinal, helical and girth weld joints of a pipe to provide protection against corrosion, to minimize the weld projection by filling in any voids on either side of a weld, and to further provide a uniform smooth surface for a later applied tape. The apparatus is moved along a pipe by a crane or similar mechanical device. The apparatus has a carriage to which is attached wheels, a reservoir attached to the upper frame of the carriage for holding liquid resin, a circular member having at least one sensor therein attached to the lower frame of the carriage, a microprocessor attached to the upper frame of the carriage, a circular dispenser for dispensing liquid resin having at least one nozzle and at least one solenoid valve attached to the lower frame of the carriage for dispensing resin from the reservoir, and a pump for delivery of liquid resin to the nozzle.

Abstract: A liquid dispensing apparatus is adapted to accurately dispense known volumes of liquid onto the receiving surface a workpiece, and comprises a cartridge having a reservoir for containing an amount of liquid. The cartridge has an outlet of known cross sectional area, and a piston adapted for longitudinal translational movement. There is a driving means for effecting movement of the piston, control means for operating said driving means, and means having a threaded portion for mechanically interconnecting the piston and driving means, so as to drive the piston within the cartridge. One of a first and second retaining means is securely connected to the piston and the other of said first and second retaining means is securely connected to said cartridge; and the interconnection means is longitudinally rigid between the first and said second retaining means so as to preclude unwanted relative movement of the piston with respect to the cartridge.

Abstract: A stencil arranging apparatus for spray painting numbers on the surface of parking lots or floors providing a pair of stencil wheels when rotated provide two digit numbers masked by the stencil wheels and a cutout platform with an overspray guard mounted to a L frame on wheels that can allow apparatus to lie flat on the surface for painting or by tipping L frame back can mobilize apparatus for moving to next area to be numbered.

Abstract: A line striper with optical sighting means, and guide line marking devices adapted to be used simultaneously with the application of a paint stripe. The line striper has a forward extending guide bar for direct sighting on the surface to be marked, as well as an optical sighting means for aligning the line striper on a distant fixed point for application of a guide line. Adjustable length booms mounted transverse to the line striper allow application of guide lines a distance removed from the paint spray nozzle. The line striper has multiple paint reservoir paint storage capability to facilitate application of different color paints.

Abstract: A flooring material applicator having a frame and wheels rendering it moveable about a floor, a mixer chamber and agitator to mix flooring material, a first component receptacle movably mounted adjacent the mixer chamber and moveable between a first loading position, and a second dumping position, a second component receptacle movably mounted adjacent the mixer chamber, and moveable between a first loading position and a second dumping position, a distribution opening in the mixer chamber, and a door movably operable to open and close the same, a distribution chamber adjacent the door, to receive flooring material therefrom, a motor for operating the agitator, the first component receptacle, the second component receptacle, and the door, and controls for guiding the applicator about a floor, so as to spread the flooring material on a floor.

Abstract: An apparatus (10) for applying fluid roof panel adhesive to a substrate includes a holding tank (12) for holding a supply of adhesive vertically above the substrate. The tank is supported by a pair of spaced wheels (14) and has a handle (16) to enable moving the device over the substrate. Openings (32) in a lower wall (30) of the tank enable adhesive to flow onto the substrate. Blocking members (36) associated with each opening are movable in response to the position of a lever (20) to enable or prevent flow of adhesive through the openings. Movement of the apparatus over the substrate provides for controlled deposition of uniformly spaced beads of adhesive suitable for holding roof panels to the substrate.

Abstract: An apparatus and method for processing cylindrical and belt-like substrates includes a carousel rotatable to any one of a plurality of planetary stations surrounding the carousel, the carousel having a support structure defining a central horizontal axis and at least one support arm mounted on the support structure for supporting a substrate thereon along a horizontal axis parallel to and radially offset from the central horizontal axis. The support structure reciprocates relative to any one of the plurality of stations to insert the substrate into and withdraw the substrate from any one of the plurality of stations, and the at least one support arm is rotatable about its offset horizontal axis to rotate the substrate thereon.

Abstract: A continuous or intermittent vehicular paint applicator for applying paint to a corrugated surface, has one of four types of a carriage body attached to a wheel-roller skid assembly or a wheel tractor belt assembly. The carriage body and wheel-roller assembly or tractor belt assembly serves as a vehicular base for screw attachment of the component parts of the paint applicator including handle means, an electric power assembly, a paint can hold base assembly with puncture and drain means, and a fixture for securing a paint dispenser in a fixed position relative to the carriage body. Skid guards attached to the carriage body in the wheel-roller assembly embodiments of the invention extend laterally between each set of side wheels and extend downwardly beyond the carriage body to a point 1/16th to 1/4th inch above the bottom of the wheels to minimize the fall of the vehicular paint applicator's wheels into the valleys of a corrugated surface no more than 1/4th of an inch.

Abstract: A coating removal machine or carriage (22) for a pipe (10) has an enclosed housing (44, 46, 48, 50) extending about front and rear tool carriers (74, 76) which rotate in opposite directions about the pipe (10) and have coating removal tools (116, 118, 120) for removing the coating material from the pipe (10). The removed coating material (12) is collected in removable bags (66) beneath the machine (22) for disposal at a separate remote disposal site. A dust collector (28) has a vacuum line (32) extending to the enclosed housing (44, 46, 48, 50) to remove minute coating particles which are suspended in air or air borne. One embodiment (FIGS. 10 and 11) is provided for a fixed installation. Another embodiment (FIGS. 13-15) includes water under pressure discharged from nozzles (63B) to remove the coated material (12) from the pipe (10).

Abstract: A machine and method are provided for reconditioning pipelines. The machine comprises parts and modules which are easily stowed, manually portable into and out of excavations, and easily installed together to form a machine for reconditioning the outer surface of pipelines. A frame construction capable of assembly around a pipeline is provided. A travel module is attachable to the frame to move the frame along the pipeline. A traction module is attachable to the frame to provide substantially constant traction during travel regardless of surface irregularities. A ring construciton is provided for placement around the pipeline and rotation about rollers attachable to the frame that engage the inside of the ring construction. Retaining arms and reconditioning devices can be mounted on the ring construction and a rotating module is attachable to the frame to engage and rotate or oscillate the ring construction around the pipeline.

Abstract: Arrangements are disclosed for an automatic mobile and components thereof together with a new mass transit system for said mobile wherein cost reductions, manufacturing simplicity and new methods of travel are obtained primarily through the use of Integrated Sub Systems, Symmetry, Remanufacturability, Transfusion Coatings, and an Automatic Transport Mode thereby resulting in elimination of large automotive assembly plants and the haulaway delivery industry with subsequent opening-up of competition which will allow new automotive industries to form with very minimal ini-investments.

Abstract: A hopper dispenses cement or mortar into the space between side by side paving bricks. The hopper is a self supporting container. The container has opposing container sides converging downwardly to an elongated opening. This elongated opening extends for most of the length of the container. The opening has just below it a spaced pair of thin parallel guides for guiding the cement or mortar into the space between the paving bricks.

Abstract: A floor coating agent applying machine having propelling wheels attached to a machine body and an applying device for applying floor coating agent onto a floor surface by an applying member. The applying device is vertically movably mounted on the machine body between a free-lift state where the device is lowered, by a dead weight thereof, relative to the machine body to place the applying member into pressure contact with the floor surface and a lift-up state where the applying member is lifted up away from the floor surface. A control member is provided for selectably bringing the applying device into the free-lift state or the lift-up state.

Abstract: A floor coating liquid applying machine having a propelling machine body, a liquid feed device driven to reciprocate along a transverse direction of the machine body and a liquid feed pump. The feed pump includes an elastic pump tube connecting between a liquid tank and the liquid feed device, a rotary pump member operatively connected with the elastic pump tube, a feed portion disposed along a rotational direction of the rotary pump member, with the feed portion being operable in response to rotation of the rotary pump member for causing the elastic pump tube to elastically deform to squeeze out the liquid therein into the liquid feed device and a receiver portion disposed aside the feed portion for causing the elastically deformed pump tube to resile so as to introduce further liquid from the tank into the elastic pump tube.

Abstract: A system for coating articles by the use of electrostatic attraction of ionized particles which are subsequently cured. The system includes a pair of carriers for jointly carrying each article through the system, from application of the particles to the article through curing of the particles on the article. Each carrier is capable of carrying the article independently of the other. After deposition of the particles on the article the article and the carriers are conveyed through a cleaning station wherein one of the carriers is moved out of carrying engagement with the article and cleaned while the article supported by the other carrier. The other carrier is then moved out of supporting engagement with the article and cleaned while the article is supported by the first carrier.

Abstract: A self propelled carriage (28) has a housing (30) comprised of a center body section (51) and a pair of side sections (52) hinged (54) to the body section (51). Side sections (52) may be swung to an open "clamshell" like position for lowering of the carriage (28) onto the pipe (10) for travel along the pipe (10). Nozzles (72) for the discharge of abrasive particles, such as sand, are mounted for oscillating movement in a predetermined stroke to cover a predetermined outer surface area of the pipe (10) for cleaning the pipe and for providing a rough finish for the application of a coating.

Abstract: A translucent tank carries along its bottom portion, a pair of transversely extending spaced parallel wick pads which are removeably received in and protrude from recesses in the bottom portion. A handle is pivotally connected along one side of the tank and has control button, both of which control a spring loaded dispensing bar on which are carried resilient valve members which close and open discharge tubes of the tank. A drain tube can empty the contents of the tank to discharge liquid in front of the wick pads. A kick bar releases latches which hold the handle in a transport position with respect to tank. Wheels at the front of the tank permit the handle to tilt the tank for transporting from place to place.

Abstract: A method and apparatuses for treating railroad ties by injecting a flowable treating material through unused or unoccupied spike holes in railroad rail tie plates which anchor the bottom flange of a railroad rail to the wooden ties. In one embodiment of the invention, the apparatus includes a backpack unit including a tank and pump assembly secured to the back of a user by shoulder straps with a manually manipulated injector device insertable into an unused or unoccupied spike hole in a tie plate in a sealed relationship thereto.

Abstract: An automated pipeline rehabilitation apparatus (10) is disclosed. The apparatus employs a centering assembly (24) with pivoting arms (26, 28) which can pivot between an operating position and a installation/removal position to allow the unit to be removed from a pipeline. Arcuate rings (38, 40) are mounted on the arms. Spray nozzles (44) are mounted on the arcuate rings for reciprocating arcuate motion along the rings to treat the pipeline. The nozzles (44) can be used to clean the pipeline and prepare the outer surface of the pipeline with high pressure water jets in training abrasives. The nozzles (44) can also be used to apply a coating, preferably a polyurethane coating to the pipeline.

Abstract: A system for automatically painting the external wall of a building, in which a support is suspended from a hoist apparatus disposed on the roof of the building, and a painting apparatus is supported by the support in such a manner as to be movable horizontally. The painting apparatus includes a mechanism for advancing and retracting, in a direction normal to the wall surface, a painting hood having a spray gun disposed therein, a mechanism for swinging the hood laterally, and a frame formed of mounted on the peripheral edge of an opening of the hood which opposes the wall surface. When the painting is positioned opposite the wall surface, the frame is brought into close contact with the wall surface, thereby sealing the painting hood against the wall surface and preventing any scattering of paint mist. Since the painting hood has no rollers, it causes no degradation in the quality of the painted wall surface.

Abstract: A moveable enclosure for use in applying a sprayed material on the surface over which the enclosure is moved includes a frame assembly defining a plurality of side walls with rollers for movably supporting the frame. A mesh skirt is supported by the frame adjacent the plurality of side walls and is positioned with its lower edge adjacent the surface. A mesh top canopy is positioned on the top of the frame with its lower edge overlying the upper portion of the skirt to complete the enclosure.

Abstract: A painting truck washing system includes a painting truck, a washing robot with a spray nozzle, and a turntable unit disposed in a washing booth. The painting truck supported an automobile body during painting of the automobile body. The washing robot cooperates with a selector for selectively spraying compressed water or air to the printing truck from which the automobile body is released. The turntable unit turns the painting truck through 180.degree. after one side surface of the painting truck which opposes the washing robot is washed, thereby washing the other side surface of the painting truck.

Abstract: A railroad tie service vehicle includes a chassis system, a drive system and an application system. The chassis system includes front and back ends, opposite sides and a deck. The drive system includes an engine mounted on the chassis deck, front and back pairs of wheels and a pair of drive track assemblies mounted on the chassis front and back ends. The application system includes an actuating subassembly for selectively engaging railroad ties and a sprayer subassembly for spraying preservative on railroad ties in response to engagement by the actuating subassembly. A method of servicing railroad ties includes the steps of removing a rail from one side of a railroad track, exposing connection areas where the rail attaches to the railroad ties, driving a vehicle with preservative along the railroad track and applying preservative to the connection areas in response to engagement of the railroad tracks by an actuating subassembly.

Abstract: A striping machine for painting parking surfaces including long-term parking surfaces comprises a frame and platform on wheels and a handle movable over a parking surface and including an upright support post adjustably supporting an upright spray head having a depending outlet. A pressurized paint pot or paint pump is mounted upon a frame and has an outlet conduit connected to the spray head. A tank of pressurized carbon dioxide is mounted upon the platform and has an outlet connected to a manifold. A first conduit connects the manifold to the spray head, a second conduit connects the manifold to the paint pot, and a third conduit connects the manifold to a three-way valve on the handle, the valve having an outlet connected to the spray head for controlling the opening of its outlet.

Abstract: A robotically operated device uses an ultrasonic transducer for the cleaning of ships' hulls. The device may also be used for spraying paints or other chemicals on the sides of ships' hulls. The device includes a housing having an open face adapted to confront a ship's hull and apparatus disposed in the housing for impinging a flow of fluid through the open face onto the ship's hull. An ultrasonic transducer is disposed in the housing for impinging a flow of ultrasonic energy through the open face onto the ship's hull. Apparatus connected to the outside of the housing retains the housing on the ship's hull and moves the housing on the ship's hull. In an additional embodiment, apparatus for spraying paint or other chemicals on a ship's hull is disposed in the housing.

Abstract: A method and apparatus for dispensing a substance to a work area in which the method includes the steps of determining the quantity of the substance to be dispensed substantially evenly to the work area, calculating the rate of dispensing the substance to the work area for the quantity determined in the determining step to achieve substantially even dispensing, dispensing the substance to the work area at the calculated rate during movement over the work area, and adjusting the rate of dispensing at intervals during such movement to minimize error in such dispensing.

Abstract: A ride-on road striper having a rear supporting frame carried by a pair of rear wheels, a front supporting frame carried by at least one front wheel, a propulsion device for driving at least one of the wheels, a pivotal joint for articulating the front frame relative to the rear frame, steering apparatus for pivoting the front frame with respect to the rear frame to cause steering of the striper, an operator's seat and steering controls carried by the front frame.

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: An asphalt sealant material is heated within an insulated box-like container supported by a front caster wheel and a pair of thin disk-like steel side wheels. A push-type handle bar projects rearwardly and upwardly from the container which has an inner bottom wall sloping downwardly to a side discharge tube. A burner tube extends through a surrounding heater tube located within the lower portion of the container, and a heat exchange oil is confined within the annular space defined between the tubes. A propane fuel tank is supported by a platform projecting rearwardly from the container and is connected by a flexible hose to a nozzle located at the front or the rear of the burner tube. The rear of the burner tube connects with a vertical exhaust pipe, and the rear of the heater tube connects with an oil fill tube.

Abstract: An epoxy applicator having a housing for receiving epoxy material to be spread against a floor wall interface, said housing having a bottom open end and a partially open back end; supports on the housing for supporting the housing on the floor and against the wall; and handles on the housing such that the housing may be moved along the floor and against the wall such that epoxy material is applied to the floor and the wall through the open bottom end and the partially open back end forming an L-shaped layer of epoxy material on the floor and against the wall.

Abstract: A highly-viscous material coating apparatus for use, e.g. in an automobile coating process, to coat a joint of a workpiece, may be mounted on a robot. It provides improved operation where the workpiece provides a reference surface parallel to the joint, where the workpiece provides a reference surface displaced from the joint at varying distances along the length of the joint, and where the workpiece provides no reference surface. Where a reference surface is available, an extendable spring-biased guide pin of the apparatus moves along the reference surface, and any positional errors are compensated-for by action of the spring. If the distance between the reference surface and the joint varies, the varying distance may be compensated for by various disclosed practices. The apparatus also can be used where no reference surface is provided by retracting the guide pin with respect to the nozzle and by controlling the robot so as to direct the nozzle to the joint.

Abstract: A moveable enclosure for use in applying a sprayed material on the surface over which the enclosure is moved includes a frame assembly defining a plurality of side walls with roller means for movably supporting the frame. A mesh skirt is supported by the frame adjacent the plurality of side walls and is positioned with its lower edge adjacent the surface. A mesh top canopy is positioned on the top of the frame with its lower edge overlying the upper portion of the skirt to complete the enclosure.

Abstract: A mobile paint application and microwave drying apparatus has a downwardly open hollow frame forming a microwave cavity movable over a surface on rollers. The interior cavity of the frame is coated with microwave absorbent material, as are the rollers. The frame in the front and rear conforms to the rollers with a certain gap and ends above the surface at a certain distance. Treads extend between the front and rear rollers on each side and have a thickness which is greater than the gap and distance so as to create a circuitous path from the cavity which blocks microwave radiation. A paint spray nozzle is located in the cavity and applies paint to the surface. This paint is rapidly dried by a microwave generator which is positioned in the cavity and directs radiation onto the wet paint.

Abstract: A liquid injection machine for injecting wood preservative liquid onto railroad ties by injecting liquid through the unused spike hole or holes in a tie plate used to secure a railroad tie to a cross tie. The machine is supported movably on the railroad rails and includes an injection apparatus that can be manually controlled by an operator which allows the operator to inject a liquid through the unused spike holes in a railroad rail tie plate so that the liquid wood preservative will be injected into contact with the surface of the railroad tie beneath the tie plate. The injection apparatus is manually controlled for alignment of an injection nozzle with the unused spike hole and for vertical movement into sealing contact with the unused spike hole so that the wood preservative liquid can be injected under substantial pressure.