Abstract: The invention relates to a method for smoothing or leveling a ground surface, wherein a smoothing or leveling material is laid on a ground surface in that a box-like device filled with material is moved forwards, the material being allowed to exit a plate-adjustable rear opening in the box-like device and to come to lie in a strip, and a blade mounted on the box-like device after the opening spreads the material on the ground surface, the blade being capable of being raised and lowered together with the plate, the blade is raised and lowered with an adjustable reduction ratio relative to the plate, by means of a lever/parallelogram arrangement which connects the blade and the plate.

Abstract: A material transfer vehicle for transporting asphalt from a delivery truck to a paving machine includes a frame and a vehicle drive system. The vehicle also includes a turret that is rotatably mounted on the frame and a surge bin that is mounted on the turret. The surge bin has a front side and a rear side with a discharge opening therein. A truck-unloading conveyor is mounted on the frame. The truck-unloading conveyor has an inlet end, and an outlet end which is adjacent to the front side of the surge bin. A paver-loading conveyor is mounted on the turret and has an inlet end extending into the discharge opening on the rear side of the surge bin.

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: A drag box for use in applying cold mix asphalt paving material to a surface includes a pugmill for distributing the cold mix over the surface, a strike blade for shearing the asphalt mixture to a desired thickness, cylinders for raising and lowering the strike blade in response to elevational changes in the surface, at least one signal generator associated with each cylinder and adapted to produce a signal indicative of the elevation of the surface, and at least one signal receiver associated with each signal generator. The drag box is pulled behind a prime mover but preferably is not rigidly coupled with the prime mover. The blade is raised and lowered in response to signals emanating from the generator as the elevation of the surface changes, allowing surface level variations to be evened out while paving.

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: The invention relates to a broadcast apparatus of the type used in association with a material transporter and includes two components in the form of a chassis section which carries spinner units and a hopper section for directing material received from the transporter into the spinner units. The two components are constructed for easy attachment to permit ready separation and re-connection whereby hopper sections which direct the material differently into the spinner units can be quickly substituted and further the attachments parts of the two components permit positioning of the components in different relationships. The spinner units have material engaging blades, the positioning of which on the spinner discs can be varied to affect the engagement of the blades with the material. The ability to accomplish a variety of operating parameters enables the broadcast apparatus to evenly distribute on the ground surface materials of a significantly different characteristics.

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.

Abstract: A crack sealing apparatus having a heated hose trough is presented which eliminates the need to purge or clean the hose and/or applicator wand that is used to apply sealant to cracks in a roadway. In accordance with one embodiment of the invention, the crack sealing apparatus includes a repository for storing and heating sealant, a hose attached to the repository, a pump for transporting sealant from the repository through the hose, a trough for retaining and heating the hose, and a tubular member located within the trough having a hot liquid or gas circulating therethrough for heating sealant contained within the hose.

Abstract: A system and method to allow a paving machine to form tight radii in continuous extrusions such as curbs and gutters is disclosed. A shift cylinder is used with the steering mechanism of a typical paving machine to allow sharp radius turns. The steering cylinder is used to pivot the track of the paving machine about its leg and the steering cylinder is used to pivot the leg relative to the frame of the paving machine. A hydraulic circuit is operator activated to allow fluid flow through a flow divider to ensure each cylinder operates in concert.

Abstract: A device is provided for discharging two gases from a vehicle to ambient air, one gas having pressure pulsation of a first magnitude. The device includes an elongated body connected with the vehicle and having a first inlet connected with a first gas source, a second inlet connected with a second gas source, an outlet fluidly communicable with ambient air, and an interior mixing chamber, the two inlets being fluidly communicable with the chamber such that the two gases flow into the chamber. The body combines the two gases within the mixing chamber to form a combined gas having pressure pulsation of a lesser, second magnitude and to discharge the combined gas to ambient air. Preferably, the body includes an outer tubular member having the first inlet and the outlet and an inner tubular member disposed within the outer member and including the second inlet and a plurality of ports.

Abstract: A flameless pavement repair system includes a vehicle with a hopper. One or more flameless heating elements are installed adjacent the hopper to maintain materials in the hopper within a selected temperature range. The pavement repair system also includes an on-board generator that is powered by the vehicle and provides sufficient power to the electric heating element during vehicle operation to heat pavement repair materials stored therein.

Abstract: A roadway paving system for chipsealing a roadway surface comprising a novel roadway paving vehicle and a novel supply truck is provided. The roadway paving vehicle comprises an asphalt binder material dispensing system and an aggregate material dispensing system. The asphalt binder material dispensing system includes an asphalt tank and a sprayer that sprays a first layer of the asphalt binder material over the roadway surface. The aggregate material dispensing system comprises an aggregate hopper and conveyor mechanism that discharges a second layer of aggregate material over the roadway surface. No wheels run over a freshly laid surface. Supply trucks are linked to the roadway paving vehicle to refill the roadway paving vehicle on a continuous basis without the need of stopping the vehicle.

Abstract: A roadway paving system for chipsealing a roadway surface comprising a novel roadway paving vehicle and a novel supply truck is provided. The roadway paving vehicle comprises an asphalt binder material dispensing system and an aggregate material dispensing system. The asphalt binder material dispensing system includes an asphalt tank and a sprayer that sprays a first layer of the asphalt binder material over the roadway surface. The aggregate material dispensing system comprises an aggregate hopper and conveyor mechanism that discharges a second layer of aggregate material over the roadway surface. No wheels run over a freshly laid surface. Supply trucks are linked to the roadway paving vehicle to refill the roadway paving vehicle on a continuous basis without the need of stopping the vehicle.

Abstract: A main frame assembly is for a paving vehicle having an engine and two wheel assemblies, at least one of the wheel assemblies being operably connectable with the engine for mobilizing the vehicle. The frame assembly includes a lower frame having two opposing sides, each side being configured to connect with a separate one of the two drive assemblies, and a mounting portion. An upper frame is connectable, preferably removably connectable, with the lower frame. The upper frame has a compartment configured to receive the engine and an attachment portion, the upper frame attachment portion being connected with the lower frame mounting portion so as to connect the upper and lower frames.

Abstract: A chassis having a main member carries adjustable side members defining an area for the reception of berm forming particulate material conveyed by an air flow from a remote source. The discharged material forms a continuous berm of constant size and shape. Wheel assemblies are adjustably carried enabling the berm cross-sectional shape to best suit the job requirements. Forward travel to the apparatus may be imparted by a steerable tongue assembly.

Abstract: An apparatus for paving a narrow gauge trench in a concrete roadway is adapted to be attached to a vehicle having a supply of pressurized hydraulic fluid and includes a frame having opposing ends and operable to be attached to the vehicle. The frame includes a hopper attached at a first end thereof, an auger disposed therein, and a concrete dispensing aperture extending through a lower wall thereof at a second end of the frame opposite the hopper. A strike-off member is hingedly attached to the frame and a roller is hingedly attached to the frame and extends rearwardly of the strike-off member. A hydraulic system is connected to the pressurized hydraulic fluid supply of the vehicle and is operable to control the auger, the roller, and the vertical orientation of the strike-off member and the roller.

Abstract: A concrete placing apparatus is provided for placing uncured concrete on a support surface, such as an elevated deck of a building. The apparatus comprises a base unit and a movable support, with a conduit assembly extending therebetween. A supply end of the conduit assembly is positioned at the base unit and is connected to a supply line for uncured concrete or other material, while a dispensing end of the conduit assembly is supported by the movable support and extends outwardly therefrom to dispense uncured concrete or other material through a discharge outlet. The movable support is movable arcuately and/or radially relative to the base unit to dispense the concrete in a generally uniform manner over a targeted area. The apparatus may further include a screeding device at the discharge outlet to grade, level, compact and smooth the concrete as it is placed.

Abstract: Roadway crack sealing apparatus (20) which includes a mobile vehicle (26) with a forward crack sealing assembly (22) and a following finishing assembly (24). The assembly (22) includes laterally spaced apart fill and sealant hoppers (30, 36) each equipped with selectively openable outlets (32, 34, 38) and an elongated roadway crack sighting passageway (128) therebetween. The fill hopper preferably has a pair of outlets (32, 34), with the sealant hopper (38) between the latter so that a crack is sealed by sequential application of fill, sealant and additional fill. In use, an operator within the vehicle compartment (162) visually locates a crack (28) through the passageway(128), and steers the vehicle (26) accordingly; the operator also manipulates appropriate controls for selectively opening the outlets (32, 34, 38). The finishing assembly (24) includes a series of lateral brushes which sweep and finish the sealed crack and adjacent roadway.

Abstract: Roadway crack sealing apparatus (20) which includes a mobile vehicle (26) with a forward crack sealing assembly (22) and a following finishing assembly (24). The assembly (22) includes laterally spaced apart fill and sealant hoppers (30, 36) each equipped with selectively openable outlets (32, 34, 38) and an elongated roadway crack sighting passageway (128) therebetween. The fill hopper preferably has a pair of outlets (32, 34), with the sealant hopper (38) between the latter so that a crack is sealed by sequential application of fill, sealant and additional fill. In use, an operator within the vehicle compartment (162) visually locates a crack (28) through the passageway (128), and steers the vehicle (26) accordingly; the operator also manipulates appropriate controls for selectively opening the outlets (32, 34, 38). The finishing assembly (24) includes a series of lateral brushes which sweep and finish the sealed crack and adjacent roadway.

Abstract: Methods and apparatus for depositing roadway material using a road paving machine having a hopper for storing the roadway material, a feed conveyor for transferring the roadway material from the hopper to an auger, and a screed for levelling the roadway material. A trough prevents the roadway material from falling from the feed conveyor onto a road surface. The trough diverts and deposits the roadway material to one side of the paving machine.

Abstract: A device for continuous supply of grouting into joints between longitudinal concrete elements, which are disposed chiefly horizontally next to each other to form, e.g., floors in building constructions. The device comprises a rhombic hopper adapted for displacement along the joint, wherein at least two side walls form an accumulating plow for leading the grouting in towards a vertical plane through the joint. The side walls of the hopper are latitudinally displaceable with respect to each other, and are held with an adjustable force against the surface of the concrete elements. The hopper is arranged below a discharge end of a container, the discharge end having a damper, which is operated by an actuator coupled to a level sensor in the hopper.

Abstract: A particulate material spreader includes an adjustable spinner apparatus which is incrementally adjustable forwardly and rearwardly to a plurality of operating positions relative to the discharge end of the material conveyor. The adjustment may be manual or automatic to adjust the drop point of the material onto the spinners, thereby accommodating varying application rates of the particulate material on a field, lawn, road, or other area. The spreader may be operatively connected to a microprocessor to receive data input and sensor feedback for variable rate technology.

Abstract: This invention relates to a finishing device to lay and compact asphalt layers and a method for operating the device. The finisher according to the invention is provided with a receiving device for the temporary storage of the hot mixture. The receiving device consists of two separate receiving buckets, from each of which a mixture transport system with at least one conveyance device leads to the distribution devices, and the distribution devices are constructed as spreader screws.

Abstract: A concrete curing and texturing machine includes a truss frame supporting a reservoir of curing fluid and drive members positioned at the ends of the truss frame for powering the machine longitudinally along a roadway being surfaced. A texturing carriage is mounted to the truss frame and arranged to longitudinally move back and forth along the truss frame. A truss member is mounted rearwardly of the truss frame and includes a sprayboom carriage unit which moves longitudinally move back and forth along the truss member. The sprayboom carriage unit supports a sprayboom having a plurality of nozzles operatively connected to the liquid reservoir.

Abstract: A shovel and shovel handle attached to a cylinder for dispensing liquid binding tack emulsion on curb faces or edges prior to paving asphalt on roads. Emulsion solution is poured in the cylinder top and dispensed from a hole at the bottom of a cylinder cap. An idler wheel is attached onto a rod connected to a deflector shield in one embodiment, or by U-bolt assembly onto the front of the cylinder in another embodiment. A hook rod is inserted in the cylinder and is pulled upward to allow the solution to flow out of the cylinder. The deflector shield keeps the solution against the shovel head, while solution is being distributed evenly along the curb face or edge.

Abstract: A pull spreader for spreading a surface material such as asphalt on a path. The pull spreader includes an open-bottomed frame having a first side wall and an opposed second side wall, a front wall extending between the first and second side walls, a screed wall opposed to the front wall and extending between the first and second side walls so that the first and second side walls, front wall and screed wall define a storage chamber for the surface material, wherein the storage chamber has an inlet area defined between top edges of the side walls, front wall and screed wall that is about the same as or smaller than a discharge area of the storage chamber defined between bottom edges of the side walls, front wall and screed wall which bottom edges are adjacent the path over which the pull spreader travels. The pull spreader also includes at least one steering wheel secured to a front frame extension extending from the front wall in a direction away from the storage chamber.

Abstract: A work machine is provided and adapted for use in paving operations. The work machine has a conveying system for moving paving material from a first end portion to a predetermined distance beyond a second end portion. A receiving portion is included on the second end portion and is adapted to receive a plurality of operational attachments. The plurality of attachments transforms the work machine into three distinct machines that perform different paving operations.

Abstract: An attachment device for laying two surface layers which may also consist of different materials in a road way. The device should be economical to produce and suitable for laying multilayer road surfaces or for simply laying a conventional single layer surface. To this end, the inventive attachment contains elements for simultaneously laying two layers, hot on hot. The elements are mounted on a frame to be detachably connected to the finisher, the frame having fixing points for detachably connecting the attachment and the finisher and the attachment and the driver's cab.

Abstract: A flowable material delivering vehicle in combination with a material dispensing system including a fixed conveyor extending continuously from a position located adjacent a vehicle container outlet aperture to a position located adjacent a vehicle cab front end. A dispensing adapter is attached to the vehicle for receiving a portion of the flowable material when the latter emanates from the fixed conveyor. In one embodiment, the dispensing adapter includes a pivotable conveyor pivotally attached to the vehicle and a configuring mechanism. The configuring mechanism allows the pivotable conveyor to pivot between a stowed configuration wherein it lies in a generally proximal and parallel relationship relative to an edge of the vehicle and a working configuration wherein the pivotable conveyor extends away from the vehicle so as to allow discharging of the flowable material away from the vehicle.

Abstract: A paving system having a strike-off assembly and method of manufacture is provided that distributes paving material onto a road surface. The strike-off assembly comprises a screed assembly comprised in a guide frame. The screed assembly comprises a flexible screed having a first and second surface secured in a screed track. The screed assembly may be disposed behind a mobile paving system to regulate the amount of paving material distributed onto the road surface and to ensure a generally even distribution of paving material across the road surface. After the surface of the flexible screed has become worn or damaged from use, the screed assembly may be removed and reversed such that the second surface is employed to regulate and distribute paving material onto the road surface.

Abstract: An asphalt paver having a remixing conveyor system that is adapted to substantially or entirely eliminating segregation in hot mix asphalt material delivered to the asphalt paver. The remixing conveying system includes at least one pair of parallelly spaced, oppositely pitched, counter-rotating hydraulically driven feed augers having remixing blades that intermittently displace portions of the hot mix asphalt material generally transversely to the direction that the feed augers convey the hot mix asphalt material from a hopper of the asphalt paver to spreading augers near the rear of the machine. Elongate members over the feed augers provide protection from impact forces and overloading and enhancing lateral extraction of hot mix asphalt material from the hopper. An optional feed screen provides flow control of the hot mix asphalt material in the hopper. A kit is provided for converting existing asphalt paving machines to have desegregating capability.

Abstract: An applicator mechanism for applying a layer of aggregate material on a ground surface comprising an adjustable bracket for mounting the applicator mechanism to a carrying device, a hopper attached to the mounting bracket having a first opening for receiving a supply of aggregate materials said hopper having a second opening for dispensing the aggregate material onto the ground surface, a first shaft attached to the hopper and in communication with the second opening having projections for spreading the aggregate material onto the ground surface through the second opening, a mechanism for driving the first shaft, a second shaft having at least one structure for interacting with the projections in order to control the size or amount of aggregate material exiting the hopper through use of a spring force that adjusts the tension applied to the paddle by way of a handle used to rotate the second shaft, and a mechanism for holding the tension handle in one of several predetermined positions.

Abstract: A concrete placing machine includes a wheeled base unit and a concrete placing pipe assembly extending from the base unit. The base unit includes a lower wheeled portion and an upper swivel portion. An hydraulic swivel device is provided between an hydraulic pump at the upper swivel portion and hydraulically operated devices at the lower portion of the base unit, in order to facilitate communication of pressurized hydraulic fluid between the pump and hydraulic devices, while allowing 360 degrees of rotation of the upper swivel portion relative to the lower wheeled portion. The hydraulic swivel device further provides a passageway therethrough for a concrete connector pipe to connect the pipe assembly at the upper swivel portion to a supply pipe connected to the lower wheeled portion, whereby the upper swivel portion and the pipe assembly are also rotatable with respect to the lower wheeled portion and the supply pipe.

Abstract: This invention relates to a finishing device to lay and compact asphalt layers and a method for operating the device. The finisher according to the invention is provided with a receiving device for the temporary storage of the hot mixture. The receiving device consists of two separate receiving buckets, from each of which a mixture transport system with at least one conveyance device leads to the distribution devices, and the distribution devices are constructed as spreader screws.

Abstract: A concrete placing apparatus is provided for placing uncured concrete on a support surface, such as an elevated deck of a building. The apparatus comprises a base unit and a movable support, with a conduit assembly extending therebetween. A supply end of the conduit assembly is positioned at the base unit and is connected to a supply line for uncured concrete or other material, while a dispensing end of the conduit assembly is supported by the movable support and extends outwardly therefrom to dispense uncured concrete or other material through a discharge outlet. The movable support is movable arcuately and/or radially relative to the base unit to dispense the concrete in a generally uniform manner over a targeted area. The apparatus may further include a screeding device at the discharge outlet to grade, level, compact and smooth the concrete as it is placed.

Abstract: In a device for working road surfaces comprising an automotive running gear (2) with a working roll (4) enclosed by a cover (8) forming a working chamber (6), and a drive motor for providing the power required for driving the working roll (4) and the travel, it is provided that the cover (8) has means (10) for producing foamed bitumen provided with a plurality of adjacent mixing means (12) with foam outlet nozzles (14), hot bitumen supplied from a bitumen reservoir via supply lines (16, 42) and a bitumen injection nozzle (18) together with water supplied from a water reservoir via a water injection nozzle (22) may be mixed under pressure in an expansion chamber (26) of the mixing means (12), and that the spray jet of foamed bitumen leaving the foam outlet nozzles (14) is directed into the working chamber (6) and becomes mixed into the construction material mixture granulated by the working roll (4).

Abstract: A finishing machine for the laying of the asphalt surface having a conveyer, and a hopper for the storage and the distribution of material. The conveyer, that moves material from the hopper to the auger, has a couple of chains connected with one another by transversal splines that are suitable for the transport of the material. The material crawls on a plurality of fixed plates secured to the frame of the machine, and the chains run on the plates. The last plate, which supports the passing material, is floating in comparison with the fixed plate which precedes it. The last plate is on a weighing device, and the device is connected with a control power unit. The control power unit detects a signal relevant to the reading of the weight of the material. The signals are detected at time intervals, depending on the angular speed of the hopper, and allows weighings to take place after all the weighed material has been unloaded from the weighing plate.

Abstract: Apparatus and methods are provided for filling a groove in a pavement with a groove filling grout. The present invention is particularly useful for forming long-lasting pavement markings, such as lane striping.

Abstract: Apparatus and methods are provided for filling a groove in a pavement with a groove filling grout. The present invention is particularly useful for forming long-lasting pavement markings, such as lane striping.

Abstract: Apparatus and methods are provided for filling a groove in a pavement with a groove filling grout. The present invention is used for forming pavement markings, such as lane striping.

Abstract: A paver and a corresponding loader each have a chassis (1) which is provided, at the front in the paving direction, with a hopper (8) for receiving material to be paved and, at the rear, with a floating screed (4), a longitudinal conveyor device (7) being provided between the hopper (8) and a distributor auger (6) located in front of the screed (4) in the paving direction, the hopper (8) being open towards the longitudinal conveyor device (7) and including two hopper halves (9) which are each pivotable about an axis (21) extending adjacently to the longitudinal conveyor device (7) in the paving direction. Further, in each of the hopper halves (9) is provided a lateral conveyor device (12) which is drivable by a drive (13), is arranged on the bottom side and extends as far as the longitudinal conveyor device (7), those bottom portions (14, 19) of the hopper halves (9) which remain with regard to the respective lateral conveyor device (12) being tiltable relative to the lateral conveyor device (12).

Abstract: A paver (1) with a chassis (2) at the front in the paving direction, with a hopper (11) for receiving material to be paved and, at the rear, with a floating screed (5), two centrally arranged longitudinal conveyor devices (9,10) guided through a shaft (8) being provided between the hopper (11) and a distributor auger (7) located in front of the screed (5) in the paving direction, the hopper (11) being open relative to the longitudinal conveyor devices (9,10) and an additional conveyor device (33) for loading a hopper (12) of a following paver (13) being provided. One of the longitudinal conveyor devices (10) extends from the rear outlet of the shaft (8), beyond the screed (5) and to the additional conveyor device (33) and has a discharge end (14) which is fixed or adjustable to an appropriate height for loading the hopper (12). The longitudinal conveyor devices (9,10) are partitioned off from each other by a vertical separating plate (20).

Abstract: An apparatus for hauling, spreading and compacting asphalt, gravel and like aggregates is a so-called belly-dump or bottom dump trailer with mechanisms for single pass delivery and compaction of aggregates to form road shoulders and the like.

Abstract: A pneumatic fumes collection system for an auger-type distributing device that spreads hot asphalt behind a mobile paver includes a rotatable auger shaft extending horizontally above a surface being paved and laterally to a longitudinal centerline axis of the paver. The shaft includes a plurality of auger flights spaced therealong, and can be raised and lowered to a plurality of elevations above the surface being paved. A fumes intake inlet is positioned above, and in a fixed spacial relation to, the auger shaft, whereby the fumes inlet raises and lowers simultaneously with the auger shaft, resulting in an a more uniform fumes collection over a plurality of auger flight elevations. A fumes exhaust fan and exhaust stack are positioned on the paver.

Abstract: The invention relates to a paving materials loading apparatus. In particular, a paving materials loading feeder 16 is so disposed that a lower end 19a of a loading frame 19 thereof is connected to a receiving hopper 17, a discharge port 19c, 19d is formed in a middle part of the loading frame 19 between the lower end 19a and a discharge end 19b, and a lid 35 is provided on the discharge port 19c, 19d so as to be openable and closable. The loading feeder 16 may also be raised and lowered. The invention also relates to a paving machine provided with a front hopper 2 and a rear hopper 3, on a self-propelled vehicle 1. In particular, the paving materials loading apparatus of the above construction is mounted on the self-propelled vehicle 1 so that the discharge port 19c, 19d of the loading feeder 16 is located above the front hopper 2 and the discharge end 19b of the loading feeder 16 is located above the rear hopper 3.

Abstract: A material spreading apparatus for filling recesses in a generally horizontal surface with a filler material is movable in a forward direction over the generally horizontal surface so as to define a coverage path thereon. The coverage path is comprised of multiple parallel treatment zones. The material spreading apparatus includes a frame, a sensor for sensing the presence of a recess in a generally horizontal surface, and a filler for filling recesses sensed by the sensor. In some embodiments, the sensor includes multiple mechanical sensors supported by the frame. One of the sensors is located in each of the treatment zones and is responsive to the presence of a recess and its associated treatment zone. In some embodiments, the filler includes a retainer and a counter rotating applicator drum. The container releasably holds a portion of the filler material and deposits material onto the counter rotating drum when the sensor senses a recess.

Abstract: The present invention relates generally to paving machines capable of spraying a liquid binding material in the form of an emulsion on the road surface prior to the application of a hot asphaltic bituminous concrete paving material. The paving machine including a self-propelled chassis having a hopper and a paving material accumulator on the front end for receiving paving material, a transversely extending spray bar at the rear of the chassis for spraying the liquid binding material on the surface of the road bed, a conveyor for conveying the paving material from the hopper to a discharge location to the rear of the spray bar, the conveyor including two or more conveying augers mounted in auger troughs, and auger covers from the accumulator to the discharge location, which cover reduces heat loss from the paving material.

Abstract: A device for applying a mat of aggregate material having an entrained liquid additive as the device is moved along a path. The device includes a hopper for receiving the aggregate material, a spreader for spreading the aggregate material generally transversely relative to the path, a compacting screed for compacting the aggregate material into the mat, and a mixing conveyor arranged to convey the aggregate material from the hopper to the spreader and to mix the aggregate material along the length of the conveyor. A conduit in flow communication with an additive supply source is mounted within and spans a portion of the hopper. The conduit thus communicates the liquid additive from the additive source to the aggregate material as the aggregate material is being mixed and conveyed.

Abstract: A spreader for spreading treatment products on soil to improve the quality thereof is disclosed. The spreader consists of a vehicle including a frame (103) slidably housing an assembly (105, 106) of a hopper and a metering device. The frame also supports soil shearing means (114) located ahead of the hopper, and mixing means (112) located behind the hopper for mixing together the spread product and the loosened soil. As a result, soil treatment may be enhanced and the nuisance caused by spreading may be diminished.

Abstract: A paver machine for applying paving material to narrow paths is disclosed. The machine includes a storage hopper and frame elevated above a roadbed by at least three wheeled unit members. A free-floating screed assembly located beneath the hopper and pivotally attached to the frame applies a paving material matte to the roadbed as the paver machine is moved along by a front end loader or the like.