Abstract: A portable device is shown for transporting asphalt repair materials for use in repairing potholes in asphalt pavements. The device has a body with a hopper compartment for transporting and dispensing asphalt mix materials. A separate tack oil tank is provided with an internal circulation system for maintaining liquid tack oils in an emulsified state.

Abstract: A machine is provided for constructing, in particular, redeveloping, the constructional layers of roads, preferably by re-using the old material removed from the road; wherein a receiving silo for the old material, which is mounted on a chassis of a motor-driven running gear, is feedable, preferably in regulatable quantities, to a horizontal stream crusher; said crusher being in connection, via a dosaging conveying device, with a mixer, also mounted on said chassis, whereto additional material components from at least one additional tank or silo, supported on said chassis, may be fed and wherefrom the prepared material ready for distribution is fed, by way of a conveyor worm, to a screed drawn along behind said chassis. Such a machine permits, in addition to the cold recycling of asphalt, also the construction of cold-mix foundation layers as well as a stabilization and a direct distribution of practically any supporting-layer materials.

Abstract: A method and apparatus for smoothing epoxy flooring material utilizes a weighted chassis to the bottom of which are mounted two planar blades in angular adjustable manner. A handle mounted pivotally to the top of the chassis may be brought forward to tilt the chassis, bringing normally elevated wheels into ground contact for transporting the apparatus in blade floor noncontacting positions.

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: A distributor for application of bituminous or other products to road surfaces. A spray bar, pump and hydraulic motor are mounted on a framework. The framework may be detachably coupled with a mounting frame on a trailer. A carriage is provided which will support the distributor during coupling with and removal from the trailer mounting frame.

Abstract: Apparatus for patching or filling paved road surface cracks or joints includes means for simultaneously dispensing molten asphalt bitumen and monofilament strands of reinforcing fiber, wherein fiber roving is chopped into discrete segments and intermixed with the molten asphalt as the patching or joint filling application occurs. The apparatus is intended to be mounted on a mobile rig to facilitate its use, and includes an arrangement wherein the molten asphalt is continuously pumped out to a dispensing nozzle assembly and back to the storage reservoir on the rig whereby the flow maintains a continuous circuit from which the molten asphalt is selectively withdrawn for use in patching and filling operations. Also included is a means for selectively purging the circuit after use of the apparatus, and the method of utilizing the apparatus.

Abstract: A truck having a road oil spreader is equipped with an apparatus for simultaneous application of oil and paving fabric to the road surface. The apparatus includes an assembly for engaging a roll of paving fabric comprising adjustable cone arms mounted on end plates that rotatably hold the core of the fabric roll. The fabric is drawn over a guide shaft and beneath a sectioned box beam having a series of longitudinally aligned brushes. The shaft and brushes are connected to the opposing end plates which are attached to a lateral support beam. The end plates and box beam include joint, drive and connection means that permit longitudinal, vertical and angular adjustment of the guide shaft and brushes. As oil is sprayed over the road surface, the fabric unrolls and becomes embedded in the oil by action of the brushes pushing the fabric into the oil-coated surface.

Abstract: Apparatus is provided for applying a sealing composition to a road surface. The apparatus includes supply means for the sealing composition and an applicator having a pressure chamber having adjustable-gap exit openings adjacent the road surface and having doctor blades which, when appropriately set, apply the composition to the road surface to a uniform and preset thickness across the width of the applicator. The apparatus includes means for propelling the applicator over a road surface.

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 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: This disclosure relates to an applicator for placing a sealant into a groove, and comprises a member having a lower side, the lower side being adapted to extend into the groove. The lower side has an arcuate shape and a sealant passage extends through the member and includes an outlet opening in the lower side. The arcuate lower side is adapted to extend partially into said groove and engage the upper corners of the groove during use. The applicator further includes a limiter attached to the member, the limiter extending laterally of the lower side and over the upper corners of the groove.

Abstract: Asphalt handling apparatus includes a carriage portion, a hopper portion, a hopper heating portion, an asphalt dispensing portion, a liquid tack material dispensing portion and an equipment lifting portion. The hopper portion includes an elongated trough section with a generally V-shaped cross section. A pair of bi-fold doors selectively cover an open top section. The hopper heating portion includes an enclosed heat transfer medium first chamber disposed immediately below the V-shaped trough section and in direct contact therewith. The first chamber includes sloping wing sections and a deeper central section communicating therewith. A U-shaped burner channel is disposed substantially horizontally within the central section with a gas burner along a first arm and an exhaust stack extends upwardly from a second arm. An elongated electrical heating element is disposed between the arms.

Abstract: A coal-tar emulsion seal coat is applied atop, spread, and pressed into an asphalt pavement by a continuous rolling technique whereby liquid sealant is carried by and released from a delivery tank extending between the sides of a frame onto the asphalt surface. A first and second set of rollers extending between the frame sides spread and smooth an even pattern of sealant, then a third, smaller, lighter roller provides a finishing and touch-up operation.

Abstract: Disclosed is an automotive rolling machine having a main frame section and a lengthy roller equipped to at least one side of the main frame section. The roller is tapered at the outer peripheries of its end portions, whereby, at the time of changing the advancing direction of the roller, the paved surface is not damaged by the outer peripheral angular portions of the roller. The main frame section has a frame at the front and rear end portions of which slider guides are laterally equipped in such a manner that sliders are slidably fitted into the slider guides. At the central portions of the sides of the frame, center pins are vertically supported. And to the underside of the center pins are fixed the central portions of lower frame members supporting the rollers as viewed in the longitudinal direction. The front and rear end portions of the lower frame members are connected to the sliders so that the lower frame members may be movable with respect to the sliders. Thus, the machine has high steerability.

Abstract: A device for dispensing and spreading liquid material which includes a container mounted on a movable frame having a dispensing opening and valve assembly in the container and having roller and squeegee means mounted under the container for spreading the material after it has been dispensed.

Abstract: A truck frame for road repair work includes a tank containing heated asphalt, a repair materials hopper, a front discharge chute and a drive worm conveyor within the hopper for moving repair aggregate from the hopper to the chute for deposit in a pavement pothole or the like. The discharge end of the chute is manually moveable from side to side and front to back and carries an outlet for the heated asphalt to coat the aggregate emerging from the chute with the asphalt, for spreading the asphalt coated aggregate into the pavement defect being repaired. The chute has a first air inlet attached thereto remote from the discharge in and through which air under pressure is applied to the chute to cause a swirling motion of the aggregate as it descends through the chute toward the pavement, and a second air inlet at the opposite end from the outlet for receiving air under pressure to clean a pothole before the repair material is applied thereto.

Abstract: A method and apparatus for coating traffic surfaces is disclosed in which, in lieu of preparing a batch of coating material, the coating ingredients are independently deposited on the traffic surface and a rotary tool with depending blades is brought into contact with the surface to be coated to effectively mix the ingredients while upon the surface so as to rapidly produce, distribute and apply a uniform composition. The apparatus aspect is represented by a machine in which there are various tanks and hoppers for the individual ingredients, with operator accessible controls for starting, stopping and metering such deposits. In addition the machine carries means for rotatably driving the tool, and for raising and lowering the tool to control the nature of blade contact with the surface being coated.

Abstract: A self-propelled pavement lane apparatus comprising a radial-frequency microwave generator extending across one lane of the roadway having an antenna with a slotted waveguide directed toward the roadway for heating a lane-wide stretch of the roadway. A ripping device is provided behind the microwave generator to rip up pavement which was heated by the microwave generator. A screw conveyor conveys the heated and ripped pavement inwardly toward a central axis of the apparatus where it is fed by a chute to a mixing chamber containing counter-rotating mixing blades. Fresh bituminous binder and/or filler may be added to the mixing chamber to be mixed with the ripped pavement which is then discharged from the mixing chamber by a second screw conveyor, to be distributed across the lane. Following the second screw conveyor is a finished plate for initially compacting the refinished surface.

Abstract: Dump-truck mounted apparatus for repairing asphalt comprises a truck engine which drives first and second hydraulic pumps located on the truck chassis. One pump supplies pressurized hydraulic fluid to operate a lift cylinder which raises and lowers the dump truck box, to operate hydraulic tools and to drive a hydraulic motor which drives an emulsion pump for expelling liquid emulsion from an emulsion storage tank which are located on a cabinet detachably mounted on the dump truck box. The other pump supplies pressurized hydraulic fluid to operate a hydraulic motor on the cabinet which, in turn, drives an air compressor on the cabinet to charge a compressed air tank on the cabinet for supplying pneumatic tools. Reeled hoses are provided for supplying hydraulic fluid and compressed air to their respective tools and for supplying emulsion from the storage tank. Engine heat is supplied via a liquid coolant to heaters in the emulsion storage tank and emulsion pump to liquify the emulsion.

Abstract: An implement for use with a prime mover, such as a tractor, for applying a uniform coating of a liquid sealant to pavement comprising a plurality of spray tubes for spraying a coating of the liquid sealant onto the pavement and a rotary brush for brushing the sealant onto the pavement and for ensuring that a uniform coating of the sealant is applied to the pavement.

Abstract: In a mobile device for preparing the surfaces of ice-rinks with an essentially rectangular rink, an ice-scraping device for the mechanical smoothing of the ice surface and a distributing device for the even application of a film of water on the ice surface are mounted on a framework which extends parallel to a first rink edge across the whole rink and is slidingly guided at its axial ends along the two rink edges running at right angles to the first rink edge. The framework is mounted in height-adjustable manner on supports which roll on rails outside the rink. A barrier section of a barrier enclosing the rink, which is erected at right angles to the direction of movement, can be displaced in the direction of movement so that ice scraped off by the ice-scraping device can be pushed into a trench outside the rink.

Abstract: Disclosed herein is an improved, self-contained and portable machine adapted to efficiently spray viscous sealing fluids, which may contain suspended solid matter, onto an unprotected surface. For example, especially suitable for spraying coal tar pitch emulsions containing sand onto asphalt surfaces. Said machine comprising a mobile frame supporting a reservoir tank, having a mechanical agitation therein, and a fluid spraying means coupled by an improved fluid pumping assembly which includes a plurality of selectively controlled valves and attached conduits which direct the fluid through a pump and filter to and from the tank and spray means as desired.

Abstract: An asphalt sealing machine for applying a sealant coating to asphalt pavement either alone, or in combination with fine particulate matter, such as sand. The machine includes a body supported on three wheels with the front wheel being a steerable driven wheel. The body includes a storage tank for the liquid coating material. Support beams are pivotally connected to the rear of the body and extend rearwardly to support squeegees, a paddle wheel, and sand dispensing device. The sand dispensing device is driven by one of the rear wheels and is provided with a clutch so that the liquid asphalt coating material may be dispensed alone or in combination with the sand.

Abstract: An improved reciprocatory self-loading dual-ended earth excavation vehicle pivotally connected to two or more unmanned self-leveling and self-maneuvering telescopic conveyor vehicles, the latter in turn are pivotally connected to a multi-function dual-ended distribution vehicle capable of conveying, spreading, wetting, impacting and grading the earth fill. The above-mentioned articulated vehicles provide the means to excavate, convey and discharge a virtually continuous flow of earth while traveling in a forward or rearward direction. The excavation and telescopic conveyor vehicles are readily adaptable to surface mining of various minerals including coal and oil shale by simply exchanging the above-mentioned distribution vehicle for a pivotally connected boom conveyer vehicle which provides the means for discharging the ore at a mill site or for the loading of long haul ore carriers.

Abstract: A system for laying a subterranean water impervious asphalt layer which is mounted on a tractor and includes a liquidized asphalt supply tank and a subterranean plough provided with a plurality of outlet ports so that liquidized asphalt is fed from the tank through a liquidized ashalt supply pipe connecting the tank to the ports by a liquidized asphalt supply pump provided in the pipe and driven by a hydraulic motor so that liquidized asphalt is discharged by the ports to form a water impervious asphalt layer into a subterranean cavity. The system is provided with a hydraulic pump driven by an engine of the tractor and connected to the hydraulic motor and a switching valve provided in the lines connecting the hydraulic pump to the hydraulic motor so that the hydraulic motor is driven in the forward or reverse direction as well as is held standstill by the actuation of the switching valve.

Abstract: There is described a method for road surface marking with tape material, including the steps of forming an essentially bituminous primer layer on such surface and then pressingly laying a prefabricated tape material on said primer layer, such layer being formed with an essentially adhesive composition having a relatively low viscosity when contacted with the road surface and comprising a substantial percentage of cross-linkable components at least part of which is hydrophilous. The layer is capable of attaining within a few minutes a viscosity of about 10.sup.5 cp and then further hardening to provide a final resistance to horizontal stresses applied to the tape material of at least 3 kg/cm.sup.2. There also are described devices for promoting cross-linking by preforming pre-polymers of a two-component reactive composition.

Abstract: An apparatus for spreading viscous pavement sealant which comprises a means for carrying a quantity of the sealant, the carrying means having means for discharging a flow of the sealant onto the surface and means for controlling the rate of sealant flow. Further included are means pivotally mounted on the carrying means and resiliently biased against the surface for spreading a layer of the discharged sealant over the surface, and means pivotally mounted on the carrying means and resiliently biased against the surface for brushing the layer of sealant evenly over the surface. Means are provided for limiting the travel distance of the spreading and brushing means toward the surface. In one preferred embodiment, the apparatus is mounted on wheels and the discharging means include an auger driven by the wheels.

Abstract: A vehicle of the type for applying a coating to a surface such as applying a sealant to asphalt pavement, the vehicle including a body having a reservoir for storing and distributing a fluid, two driven wheels disposed in spaced-apart relationship along the longitudinal axis of the body and adapted for continuous engagement with a support surface, one of the driven wheels being dirigible, support wheels disposed laterally of the axis of the body and spaced from the dirigible driven wheel, and variable drive means for driving the driven wheels.