Abstract: A spraying device for introducing a fluid into the working chamber of a construction machine for processing the ground or road surfaces, comprises two fluid delivery apparatuses, a line system and a control unit. The present invention further relates to a construction machine, especially a recycler, a stabilizer or a cold milling machine, comprising such a spraying device and a method for operating such a spraying device.

Abstract: Various implementations include a machine for resurface existing roads. The machine may include a premixed stress absorbing membrane interlayer (SAMI) material distribution component configured to distribute a premixed SAMI material on an existing road. The distributed premixed SAMI material may include a mixture and/or combination of binding material and pre-cut fiber material. The machine may also include a channel positioned adjacent and downstream of the premixed SAMI material distribution component. The channel may be configured to supply an asphalt mixture directly over the premixed SAMI material. Additionally, the machine may include a screed positioned adjacent the channel. The screed may be positioned to contact the asphalt mixture.

Abstract: Systems and methods for spraying control in a paving machine comprise a screed system having an adjustable width, a position sensor configured to sense widths of the screed system, a spray bar having adjustable positions, a spray bar actuator to adjust positions of the spray bar, a spray bar sensor to sense positions of the spray bar, and a controller coupled to the position sensor, spray bar actuator and spray bar sensor that is configured to adjust the spray bar actuator depending on the sensed width. The spray bar sensor and actuator can be integrated together.

Abstract: A portable asphalt heater and method for heating asphalt includes an asphalt hopper having a floor, first and second side walls and front and rear end walls. The side walls taper inwardly to define a substantially inverted-V geometry of the hopper. A heating manifold including a heating chamber is adjacent to and positioned beneath the floor, the heating manifold adapted to be in fluid communication with a heater assembly and to direct a heated gas emitted from the heater assembly through the heating chamber and heating manifold. A plurality of chimneys is in fluid communication with, and extends from, the heating chamber and along the first and second side walls, wherein the volume of asphalt, when in the asphalt hopper, is heated through contact with the asphalt hopper.

Abstract: A roller assembly including: a frame; a first undercarriage connected to the frame, the first undercarriage comprising: a first body; a rear roller connected to the first body; and a first overlapping roller that is elongate and connected to the first body; and a second undercarriage connected to the frame, the second undercarriage comprising: a second body; a front roller connected to the second body; and a second overlapping roller that is elongate and connected to the second body, wherein the first undercarriage is positioned adjacent to the second undercarriage such that the first overlapping roller overlaps the second overlapping roller.

Abstract: A system for dispensing a fast curing epoxy traffic marking composition to a transportation corridor includes a plurality of bins positioned on a transportation corridor marking dispensing apparatus. A first bin contains an epoxy coating which is applied by the dispensing apparatus on a transportation corridor. A second bin contains at least one curing agent which is coated on a carrier such as glass beads or porous silica. These carriers are dropped onto the epoxy coating by the dispensing apparatus and promote rapid curing of the top layer of the epoxy coating while the bottom layer is given additional time to adhere to the roadway surface. This enables the application contractor to open a marked roadway in a quicker manner with less motorist disruption. An optional third bin contains retroreflective beads which are applied to the epoxy coating by the dispenser apparatus to improve visibility of the line marking.

Abstract: A system for re-surfacing a pavement surface includes a conduit configured to transfer a spreadable material and a material application and dispersal device (MADD) coupled in flow communication with the conduit. The MADD includes at least one material application mechanism (MAM) coupled in flow communication with the conduit. The system also includes a pressurization device coupled in flow communication with the conduit and the MADD. The pressurization device is configured to channel the spreadable material into the at least one MAM and to generate a positive pressure within the at least one MAM to facilitate delivering the spreadable material to the pavement surface.

Abstract: A system for controlling a supply machine and a paving machine includes a supply machine having a first sensor for generating first signals indicative of a first characteristic associated with the supply machine, and a first controller configured to determine a first characteristic associated with the supply machine. The paving machine includes a second sensor for generating second signals indicative of a second characteristic associated with the paving machine and a second controller configured to determine the second characteristic associated with the paving machine, receive first operating signals indicative of the first characteristic associated with the supply machine, and generate command signals to control operation of the paving machine based upon the first characteristic associated with the supply machine and the second characteristic associated with the paving machine.

Abstract: A rotary mixer has a mixing chamber with a rotor to reclaim the work surface. The rotary mixer has a supply container located on the frame adjacent to the front end thereof. The supply container contains an additive for mixing with the reclaimed work surface. A transport assembly connects the supply container to a distribution assembly. The distribution assembly is located in front of the mixing chamber and receives the additive from the transport assembly and deposits the additive on the work surface.

Abstract: A concrete paver system with a reconfigurable hydration system which utilizes a plurality of individually flow controllable spray nozzles, which are clamped on support structures, which also support objects being dragged across a top surface of concrete which is being finished. The plurality of flow controllable spray nozzles being configured to be moved about said hydration system so as to change a pattern of water vapor application, all without the use of tools.

Abstract: A system for re-surfacing a pavement surface is provided. The system includes a material dispersal device configured to apply a slurry material to the pavement surface, a first delivery mechanism configured to apply a first spreadable material to the pavement surface, a first dispersing bar configured to disperse the first spreadable material on the pavement surface, a second delivery mechanism configured to apply a second spreadable material to the pavement surface, and a second dispersing bar configured to disperse the second spreadable material on the pavement surface.

Abstract: In a device for working ground surfaces or roadways comprising a machine frame and a working drum in a drum housing arranged at said machine frame, where no less than one spraying device extending parallel to the working drum and featuring several outlet nozzles for spraying agents arranged next to one another and directed towards the working drum is arranged at the drum housing, where the outlet nozzles comprise one each drivable closing mechanism with a closing element which, in an open position, fully uncovers the nozzle channel of the outlet nozzle and, in a closed position, closes the nozzle channel, it is provided for the following features to be achieved: that a controller drives the closing mechanisms, with the outlet nozzles and the related dosing elements being adapted to one another in such a fashion that the flow cross-section in the outlet nozzle is variable in accordance with the position of the closing element on a specified path between the open position and closed position.

Abstract: In a method and a device for the treatment of a layer by introducing a binder and/or water and/or additives into a milled-up quantity of milled material of the layer to be stabilized by means of a construction machine or attachment machine with a milling/mixing rotor that is used to mill the layer at a specified milling depth, where the milling/mixing rotor is surrounded by a rotor housing which forms the boundary of the mixing chamber of the milling/mixing rotor, it is provided that during the positioning process, at least the binder quantity currently fed until reaching the specified milling depth is determined in accordance with the milled-up quantity of milled material currently present in the mixing chamber.

Abstract: A concrete paver system with a reconfigurable hydration system which utilizes a plurality of individually flow controllable spray nozzles, which are clamped on support structures, which also support objects being dragged across a top surface of concrete which is being finished. The plurality of flow controllable spray nozzles being configured to be moved about said hydration system so as to change a pattern of water vapor application, all without the use of tools.

Abstract: A spraying device for introducing a fluid into the working chamber of a construction machine for processing ground or road surfaces comprises at least one outlet nozzle by which the fluid is introduced into the working chamber, a line system by which the fluid is conveyed to the at least one outlet nozzle, and a control unit by which the fluid supply to the outlet nozzle is controllable. The present invention further relates to a construction machine for processing ground or road surfaces, especially a milling machine for milling off road or ground surfaces, a stabilizer for stabilizing ground of low bearing capacity and a recycler for repairing pavements in need of repair, comprising such a spraying device, and a method for operating a working device of such a construction machine.

Abstract: A screed die box includes a screed die bucket, a screed die box gate, a screed die box lever, a screed plate, and a positioning member. The screed die box gas is slidably connected at the bottom of the screed die bucket. The screed die box lever is rotatably connected to the screed die bucket and the screed die box gate for sliding the screed die box gate between an open position and a closed position. The screed plate is slidably connected along an aft side of the screed die bucket and includes a positioning aperture. The positioning member is located in the screed die bucket and engages the screed plate, the positioning member sliding the screed plate as the positioning member is rotated.

Abstract: A concrete paver system with a reconfigurable hydration system which utilizes a plurality of individually flow controllable spray nozzles, which are clamped on support structures, which also support objects being dragged across a top surface of concrete which is being finished. The plurality of flow controllable spray nozzles being configured to be moved about said hydration system so as to change a pattern of water vapor application, all without the use of tools.

Abstract: Embodiments of the present invention are generally related to an emulsion tack coat applicator and methods of utilizing the same. More specifically, embodiments of the present invention relate to hand truck-type applicator for emulsion tack coat applications and methods of using the same. In one embodiment of the present invention, a tack coat applicator comprising a hand truck comprising a substantially frame having a handle section at a first end and a set of wheels separated by an axle at a second end, and a platform extending substantially perpendicular to the rigid proximate the wheels; and bucket having a voluminous storage portion for storing tack coat material, removeably positioned on the platform, the bucket comprising an output for dispensing the tack coat material.

Abstract: A concrete paver system with a reconfigurable hydration system which utilizes a plurality of individually flow controllable spray nozzles, which are clamped on support structures, which also support objects being dragged across a top surface of concrete which is being finished. The plurality of flow controllable spray nozzles being configured to be moved about said hydration system so as to change a pattern of water vapor application, all without the use of tools.

Abstract: In various embodiments, a multi-application apparatus may be configured to be mounted on a vehicle. The multi-application apparatus may include a sprayer configured to apply a profileable material to an area of a driving surface during a pass of the vehicle by the area to create a first marking. The multi-application apparatus may also include an applicator configured to apply the profileable material to at least a portion of the area of the driving surface during the same pass of the vehicle by the area to create a second marking. The second marking may have a more varied profile than the first marking. In various embodiments, the multi-application apparatus may include controls that enable independent control of various parameters during operation. In various embodiments, profileable material forming the second marking is at least partially fused with the profileable material forming the first marking.

Abstract: The present invention is directed to a combination sealant dispensing and spreading apparatus for selectively dispending and spreading sealant upon a paved surface, the apparatus comprising a moveable frame having a lower support, a sealant tank the lower support operably connected to a V-shaped spreading means for spreading sealant from the tank upon the paved surface.

Abstract: A vehicle mounted patching system for patching potholes and the like and incorporating method and apparatus for removing and flushing asphalt emulsion from the feed lines of the patcher which completely recycles the cleaning agent used to flush the feed lines, as well as eliminating any external discharge of potentially toxic materials. A cleaning agent is used to flush the feed lines. The emulsion is collected in a recovery tank and combined with fresh emulsion delivered from a storage tank when the collected emulsion reaches a given concentration. Electrical controls for operating both motors from a single power source employ arrays of cam-operated switches and a diode array polarized to prevent feedback of power from the power source to assure precision positioning of the multi-position valves to perform a given operation.

Abstract: Embodiments of the present invention relate to systems and methods implemented in a pothole patching system for creating a vacuum that pulls heavy particulate, such as gravel, out of a hopper. For example, according to an embodiment, a vacuum body having a vacuum chamber formed therein is positioned proximate to an opening of the hopper. A moveable slide gate is provided between the vacuum chamber and the opening of the hopper. The slide gate moves between open and closed positions for permitting and blocking communication between the vacuum chamber and the hopper. A reduction nozzle is provided between an air source and the vacuum chamber. Forced air flows from the air source, through the reduction nozzle, and into the vacuum chamber. The reduction nozzle reduces the pressure of the forced air entering the vacuum chamber, and thereby creates a vacuum in the vacuum chamber. When the slide gate is in the open position, this vacuum pulls particulate from the hopper.

Abstract: A mobile pothole patching vehicle includes a chassis and front and rear support wheels for the chassis. A cab is mounted on the chassis as is a paving material storage hopper. A paving material dispensing mechanism is mounted on the chassis and is in communication with the hopper. A discharge chute is in communication with the dispensing mechanism. A boom mechanism includes a proximal end mounted on the chassis. A first swivel mechanism rotates the boom mechanism in relation to the chassis. A tamper plate is mounted on a distal end of the boom mechanism. The machine can patch potholes through the actions of a single operator who remains in the cab during the patching or repair process, thus enhancing the safety of the patching operation.

Abstract: A system and method for building and renovating golf course paths to provide an alternate golf cart path with a drainage system and durable natural path for golf. A drainage system and a layer of gravel is installed over the entire sub grade of the path. A layer of crumb rubber is placed over the gravel. A pre-polymer is sprayed onto the layer of crumb rubber and gravel to secure it in place. The polymer sprayed is permitted to cure for approximately 24-48 hours.

Abstract: A hose holder boom assembly (10) includes a first pivotal connector (128) pivotally mounting an open end (122) of a first tube (120) to a sidewall (114) of a cabinet (44) about a first pivot axis. A second pivotal connector (128) mounts an open end (132) of a second tube (130) to the other open end (124) of the first tube (120) about a second pivot axis parallel to and spaced from the first pivot axis. Movement of the first tube (120) relative to the sidewall (114) and relative movement between the first and second tubes (120, 130) are limited to a pivot plane extending perpendicular to the first and second pivot axes and including the first and second tubes (120, 130). The open end (132) of the second tube (130) is pivotable at an obtuse angle to each of two sides of the other open end (124) of the first tube (120). A hose (74) for outputting paving material extends out of the cabinet (44) and through the first and second tubes (120, 130) and the first and second pivotal connectors (128).

Abstract: One embodiment of the invention relates to a flexible sled that conforms to the contour of the pavement for applying a liquid emulsion onto a pavement surface comprising a rigid frame with flexible squeegee assembly adapted to be towed along a pavement surface. Another embodiment of the invention includes a hopper assembly for distributing aggregate. Another embodiment of the invention includes a sled for repairing ruts in wheel lanes of a road. Another aspect of the invention is a polymer emulsion composition having a high coefficient of friction comprising a mixture of polymer resin blended with a mixture of cement and angular sand aggregate and titanium dioxide to provide a solar reflectance index number that ranges from 0.30 to 0.38 and a friction number in the range of 45 to 55.

Abstract: A tack emulsion pre-coating system for use in hot mix asphalt plant paving which comprises providing a triangular-shaped tack emulsion cart deployed ahead of a paver, and configured to operate under a conveyor from a transfer vehicle supplying the paver with HMA, where the cart comprises a forward spray bar which sprays tack emulsion on a surface located between the wheels of the paver so as not to leave tracks and with rear spray bars for spraying tack emulsion behind the wheels, but not behind a central area between the wheels of the paver.

Abstract: The present invention describes a road finisher for laying a paving material, comprising a material bunker for paving material and a spray jet module. In order to increase the spray carrying capacity in a structurally simple manner, it is suggested that a reservoir unit comprising a spray reservoir and a paving material reservoir should be arranged in the material bunker.

Abstract: In one aspect of the invention, a system for removing a layer of a paved surface comprises a vehicle adapted to traverse a paved surface in a selected direction. The vehicle also comprises a milling drum with an axle connected to the vehicle, the drum being adapted to rotate around the axle substantially normal the selected direction. A moldboard is positioned rearward of the milling drum and also connected to the vehicle. A plurality of nozzles is disposed proximate a bottom end of the moldboard and is in communication with a fluid reservoir through a fluid pathway and the plurality of nozzles is adapted to move independent of the moldboard.

Abstract: One embodiment of the invention relates to a flexible sled that conforms to the contour of the pavement for applying a liquid emulsion onto a pavement surface comprising a rigid frame with flexible squeegee assembly adapted to be towed along a pavement surface. Another embodiment of the invention includes a hopper assembly for distributing aggregate. Another embodiment of the invention includes a sled for repairing ruts in wheel lanes of a road. Another aspect of the invention is a polymer emulsion composition having a high coefficient of friction comprising a mixture of polymer resin blended with a mixture of cement and angular sand aggregate and titanium dioxide to provide a solar reflectance index number that ranges from 0.30 to 0.38 and a friction number in the range of 45 to 55.

Abstract: An apparatus for reconditioning a paved surface includes a vehicle adapted to traverse the paved surface. The vehicle has a manifold with a plurality of jets disposed within a surface adjacent the paved surface and at least one of the jets has a high temperature, high pressure nozzle. The high temperature, high pressure nozzle has a hard material with a hardness of at least 2,000 HK. The jets are in fluid communication with a fluid reservoir through a fluid pathway, and the fluid pathway has a pressurizing mechanism and a heating mechanism for bringing the fluid to a high temperature and a high pressure.

Abstract: A mobile asphalt production machine mixes bituminous concrete at the job site through a mixing auger mechanism mounted in an insulated housing. Propane burners provide heat within the mixing auger mechanism and within the insulated housing to produce a hot-mix bituminous concrete in large or small batches. The components of the asphalt mixture are stored in separate bins that can be re-filled at the job site to provide a continuous supply of asphalt. Hot liquid bitumen is added to heated aggregate within the mixing auger mechanism. Recycled asphalt can be added through a port in the mixing auger for incorporation into the mixture. Controls permit the rate of flow of each individual component to be selectively varied in order to change the recipe for the mixture and to provide calibration of the component, while a master control will maintain the pre-established flow rates through a variable speed of operation.

Abstract: A marking sphere dispensing apparatus for dispensing fluid-assisted marking spheres into pavement marking materials applied to a surface has a frame defining a marking sphere receptacle, a valve seat defining an opening between the marking sphere receptacle and an expulsion duct. A plunger is disposed coaxially to the longitudinal axis of the dispensing apparatus and defines an internal fluid passage for providing pressurized fluid. The plunger is moveable in a longitudinal direction within the marking sphere dispensing frame between a first position at which a plunger head of the plunger is seated against the valve seat to close the opening, and a second position at which the plunger head is axially offset from the valve seat to define a marking sphere inlet gap across the opening. A method for applying marking spheres uses the marking sphere dispensing apparatus.

Abstract: A towable, residential sealcoating apparatus and related methods for applying sealcoat to a residential, asphalt driveway. The towable, residential sealcoating apparatus can include a towable implement having a mounting frame, a sealcoat reservoir, a distribution manifold and an applicator member. The sealcoat reservoir can supply sealcoat to the distribution manifold and applicator member at the direction of a supply valve accessible to an operator on a tow vehicle. The applicator member can be vertically adjustable from an upward transport disposition to a downward application disposition. The distribution manifold is operably removable so as to allow for cleaning of the distribution manifold following completion of the sealcoating process.

Abstract: A road finisher F for producing a continuous sprayed carpet T of a bonding agent on a planum has a spraying system S on a vehicle having at least two spraying facilities 11, 11?, 14, 14? which are located offset to each other in the and laterally to the traveling motion direction R and a control device which operates the spraying facilities using a method such that during a traveling motion of the vehicle a sprayed carpet T is produced with front and rear boundaries V, H which are continuous over the width of the sprayed carpet and which are parallel to a respective reference line L which is placed on the planum in front of the spraying facility which is the frontmost in traveling motion direction. The sprayed carpet T is produced such that each spraying facility 11, 11?, 14, 14? first is activated or deactivated depending on the traveling motion with a predetermined distance from the or when reaching the respective reference line L.

Abstract: A tack emulsion pre-coating system for use in hot mix asphalt plant paving which comprises providing a triangular-shaped tack emulsion cart deployed ahead of a paver, and configured to operate under a conveyor from a transfer vehicle supplying the paver with HMA, where the cart comprises a forward spray bar which sprays tack emulsion on a surface located between the wheels of the paver so as not to leave tracks and with rear spray bars for spraying tack emulsion behind the wheels, but not behind a central area between the wheels of the paver.

Abstract: A method for recycling a paved surface includes the steps of providing a motorized vehicle adapted to traverse a paved surface; providing the motorized vehicle with a plurality of degradation elements, a plurality of foaming elements and a plurality of compacting elements; each plurality being attached to a carriage slidably supported by a bearing surface of an underside of the motorized vehicle; degrading the paved surface with the plurality of degradation elements as the vehicle traverses the paved surface; foaming rejuvenation material by the plurality of foaming elements into the degraded surface as the surface is being degraded; and compacting the degraded surface and the rejuvenation material into a new surface with the plurality of compaction elements as the foaming elements continue to foam rejuvenation material into the degraded surface.

Abstract: In one aspect of the present invention, a paved surface reconditioning system has a vehicle adapted to traverse a paved surface. The vehicle having a press plate with a working surface having plurality of nozzles disposed therein. At least one of the nozzles has an inner diameter less than 1 mm. A fluid passage may connect the nozzle to a reservoir. The reservoir and fluid passage have a volume and a pressurizing mechanism in communication with the volume and being adapted to pressurize at least a portion of the volume.

Abstract: A paving convoy for producing a bituminous cover layer including a self-propelled road paver and a paving material feeding assembly which is self-propelled and travels in front of the road paver. A paving material conveying device extends from the feeding assembly to the road paver. A spraying module including its own undercarriage and components for storing and deploying bitumen emulsion is provided between the feeding assembly and the road paver. The spraying module has a spraying bar facing the front end of the road paver. The spraying module is either coupled to the feeder assembly by a detachable towing connection or to the road paver by detachable pulling connection.

Abstract: An apparatus for regulating a flow of pavement rejuvenation materials for deposit on a roadway is disclosed in one aspect of the invention as including a first channel is supported by a pavement recycling machine and is in communication with a supply of pavement rejuvenation materials; a second channel slideably coupled to the first channel, the pavement rejuvenation materials adapted to flow through the first and second channels; and a hardened tip coupled to the second channel. The apparatus may also have a seat coupled to one of the channels; and a blocking element coupled to the other of the channels. Upon sliding the first channel with respect to the second channel, the blocking element contacts the seat, thereby impeding the flow of pavement rejuvenation materials flowing through the channels.

Abstract: In a road finisher having a spraying assembly for a bitumen emulsion, the spraying assembly has a plurality of spraying modules and one of the spraying modules has at least one pivotable spraying ramp at each side in the area of the carriage of the road finisher.

Abstract: A device for simultaneously spreading cut fibers and binders on a roadway width, includes, in the longitudinal direction, a first binder spreading set, a second cut fiber spreading set and a third binder spreading set, the second set including cutting tools, which are driven by a torque transmission member. The device is modular, the modules being transversally arranged side by side and each allowing to spread on a longitudinal lane of the roadway binders and cut fibers. Each module has a first nozzle, a tool for pulling and cutting continuous fibers and throwing cut fibers to the roadway, a second nozzle, the nozzles being connected to a common binder dispensing member. Each tool is removably mounted in its module between a working position where it is in the module and driven by the driving shaft and a releasing position where it is available to an operator and at rest.

Abstract: An apparatus or a vehicle for applying multiple coatings of fluid to a surface in a single moving pass comprises a manifold having a plurality of nozzles. A first nozzle applies a first layer of fluid to the surface in accordance with a first spray pattern. A second nozzle carried applies a second layer of fluid to the surface in accordance with a second spray pattern. The second layer substantially covers the first layer. A third nozzle applies a third layer of fluid to the surface in accordance with a third spray pattern. The third layer substantially covers the first and second layers. The apparatus provides for multiple coatings of one or more fluids onto a substrate in a single pass, whereby the application of the various layers is accurately controlled to achieve a desired result.

Abstract: A road finisher F for producing a continuous sprayed carpet T of a bonding agent on a planum has a spraying system S on a vehicle having at least two spraying facilities 11, 11?, 14, 14? which are located offset to each other in the and laterally to the traveling motion direction R and a control device which operates the spraying facilities using a method such that during a traveling motion of the vehicle a sprayed carpet T is produced with front and rear boundaries V, H which are continuous over the width of the sprayed carpet and which are parallel to a respective reference line L which is placed on the planum in front of the spraying facility which is the frontmost in traveling motion direction. The sprayed carpet T is produced such that each spraying facility 11, 11?, 14, 14? first is activated or deactivated depending on the traveling motion with a predetermined distance from the or when reaching the respective reference line L.

Abstract: In one aspect of the present invention, a paved surface reconditioning system has a vehicle adapted to traverse a paved surface. The vehicle having a press plate with a working surface having plurality of nozzles disposed therein. At least one of the nozzles has an inner diameter less than 1 mm. A fluid passage may connect the nozzle to a reservoir. The reservoir and fluid passage have a volume and a pressurizing mechanism in communication with the volume and being adapted to pressurize at least a portion of the volume.

Abstract: A method of repairing a road surface includes providing a hopper mounted on a spreading vehicle and means to spread material carried in the hopper over depressed areas of the road surface to fill them with the material. At ambient temperature, a batch of patching slurry is mixed comprising aggregate, asphalt emulsion, water, Portland cement, and a retarding agent operative to increase a break time of the patching slurry, and the batch is deposited into the hopper. The spreading vehicle is maneuvered to spread the patching slurry successively over a plurality of depressed areas until the hopper is empty. The ingredients of the patching slurry are adjusted to provide a patching slurry having a break time sufficiently long to allow the hopper to be emptied before the patching slurry begins to set, and sufficiently short to allow traffic to pass over a filled depressed area within a desired time.

Abstract: An apparatus for treating a pavement surface with a plurality of layers in a single pass, including: a chassis having a forward end and a rear end; a plurality of rolling means spaced longitudinally along the chassis for supporting the chassis so it can roll along a particular direction of advance; a powerplant for moving the chassis along the direction of advance; a first storage tank mounted on the chassis for containing bituminous sealant; a second storage tank mounted on the chassis for containing bituminous emulsion; a main hopper mounted on the chassis for storing aggregate particles; a first mechanism in flow communication with the first storage tank for applying a layer of bituminous sealant at a predetermined temperature and application rate on the pavement surface; a second mechanism in flow communication with the second storage tank for applying a layer of bituminous emulsion at a predetermined temperature and application rate on the layer of bituminous sealant, wherein a thermal reaction occurs be

Abstract: A system for forming and applying a coherent refractory mass on the surface of a road wherein one or more non-combustible materials are mixed with one or more metallic combustible powders and an oxidizer, igniting the mixture so that the combustible metallic particles react in an exothermic manner with the oxidizer and release sufficient heat to form a coherent mass under the action of the heat of combustion and projecting this mass against the surface of the road so that the mass adheres durably to the surface of the road.

Abstract: A roadway crack sealing apparatus (300, 314) which includes a crack sealing assembly having an emulsion container supported on a frame, wheels supporting the frame, a handle extending from the frame, a lever operable to control selectively open and close an emulsion outlet, and a video camera positioned to permit an operator to visually locate and follow a roadway crack during the sealing process. In preferred forms, the apparatus also includes a fill hopper and a fill outlet. Other preferred forms include a remote transmitter and a remote receiver, which permit the operation of the apparatus from a remote location.