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 waterproof sheet in-situ application machine, which can rewind a long roll-like thermal application type waterproof sheet and easily bond the sheet onto the bed surface of a bridge and the surface of a concrete structure in a site, includes a carriage and a combination of any one or two or more of a water permeable stand, a wrinkle prevention drum, a sheet heater, a sheet overlapping portion heater, a sheet roller pressing steel wheel roller, and a sheet roller pressing rubber tire mounted on the carriage. The sheet heater is composed of a heat resistant metal roller having a far infrared ray heater, an electric heater, etc. inserted therein, and the surface of the waterproof sheet is molten by being caused to be contact with the surface of the metal roller, thereby the waterproof sheet can be bonded onto an execution surface.

Abstract: A placer/spreader for distributing already mixed concrete from an access road to a subgrade path to be paved includes a frame having at least two side bolsters standing parallel to the subgrade path and at least two cross beams spanning the subgrade path for forming a conveyor supporting structure. A roll in/roll out conveyor has a receiving end for receiving already mixed concrete from an access road and a discharge end for discharging already mixed concrete to the subgrade path, this conveyor being hinged to enable conformation to differing access road elevations. One of the two side bolsters defines forward and rear transport attachment points with a spatial interval between the transport attachment points. This spatial interval permits the roll in/roll out conveyor to be supported between forward and rear attachment points.

Abstract: An apparatus for use in shearing paving material applied to a surface is provided. This apparatus includes a blade for shearing the asphalt mixture to a desired thickness, cylinders for raising and lowering the 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. This blade apparatus is coupled with a prime mover. The receiver is operable to activate the cylinders in response to a signal received from the generator. The blade is raised and lowered as the elevation of the surface changes in response to signals emanating from the generator allowing surface level variations to be evened out while paving.

Abstract: In combination with a placers/spreader having a frame including at least two side bolsters standing parallel to the subgrade path and at least two cross beams spanning the subgrade path forming a conveyor supporting structure. A rail system is attached spanning the frame, and has a roll in/roll out conveyor with a cantilevered support at one of the side bolsters and a support for attachment to and support from the rail system. The conveyor moves in traversing motion across the frame to distribute concrete. The improvement comprises a strike off beam and spreader plow assembly for trailing attachment to the frame of a placer/spreader. We thus disclose a strike off beam with spreader plow assembly which can be removably attached to either side of a placer/spreader to avoid the necessity of relocating the receiving conveyor when the location of the access road changes from one side to the other or direction of spreading changes.

Abstract: A method and apparatus for heating hot mix asphalt (HMA), via collecting fumes from HMA while the HMA is on-board a vehicle and in motion within the vehicle, and igniting the HMA with engine exhaust and using the heat of combustion of the HMA to heat HMA, such as via the floor of a re-mix machine or paver which is capable of churning and mixing the HMA which increases emission of HMA fumes.

Abstract: A screed assembly for a paving machine includes a main screed portion and an extension screed portion longitudinally extendable from the main screed portion. The extension screed portion includes a variable length coupling portion arranged in a manner sufficient to permit modifying the overall length of the extension screed portion such that the screed assembly may be extended to a maximum overall width that is twice that of the minimum retracted width.

Abstract: At least two paving screeds B1, B2 which are distant in operation running direction R are supported at a chassis 1 of a paver F. The paver F is designed for simultaneously casting several paving material layers L1, L2 on top of each other on a plane P. Each paving screed B1, B2 is provided with a compaction assembly. One paving screed B1 for casting a lower layer L1 is provided at a front end section of the chassis 1 and has the compaction assembly 13, 14 for generating a degree of compaction in the lower layer L1 which suffices to withstand the direct contact of the undercarriage 2. At least one further paving screed B2 for casting an upper layer L2 is arranged behind the undercarriage 2. According to the method to be carried out with the paver F the lower layer which is cast and compacted in front of the undercarriage allows to run the undercarriage 2 on the lower layer while the upper layer L2 is cast and compacted behind the undercarriage 2.

Abstract: A device for filling an open trench with the dirt previously removed from the trench lying alongside the trench, using a skid-mounted frame having blades to initially fill the trench and leveling the dirt, followed by a compactor.

Abstract: An auger/cut off assembly for a floating screed asphalt paver. The auger/cut off assembly consists of an auger mechanism with an axis of rotation and a cut off mechanism. The cut off mechanism has a concave cut off panel that rotates about the axis of the auger mechanism from an open strike off position to a closed cut off position. Because the concave cut off panel closely conforms to a portion of the circumference of the auger mechanism, the cut off mechanism provides for low ground clearance. The concave cut off panel serves the dual function of striking off the paving material when in the open strike off position and cutting off the deposit of paving material when in the closed cut off position.

Abstract: A wheeled strike-off apparatus is movable over a surface of uncured concrete or subgrade materials and is operable to establish a desired grade of the uncured concrete surface or subgrade surface. The apparatus includes a wheeled support and a plow assembly. The wheeled support may have a front frame portion and a pair of front wheels rotatably mounted at the front frame portion, and may have a rear frame portion and a pair of rear wheels rotatably mounted at the rear frame portion. The plow assembly may be adjustably mounted to the front frame portion and may be vertically adjustable relative to the frame portion via an actuator. The plow assembly includes at least one plow member for engaging and establishing the desired grade.

Abstract: A height adjustable paving stone screed for use in an area bounded by a course of paving stones includes an elongated board. A pair of right angle brackets are mounted on top of the board. Slidably attachable to each right angle brackets include a pair of further right angle brackets, each adjustable vertically with respect to the first right angle bracket. The bottom of each angled bracket is flush with the top the paving stones. Likewise, the bottom surface of the board is even with bottom surfaces of the paving stones, whereby sliding movement of the board establishes a flat plane of bedding material bed at a depth equal to that of the course of paving stones, in the area to support paving stones to fill the area. Sliding movement of the board occurs, establishing a flat plane of to flatten the bedding material for the paving stones.

Abstract: An auger/cut off assembly for a floating screed asphalt paver. The auger/cut off assembly consists of an auger mechanism with an axis of rotation and a cut off mechanism. The cut off mechanism has a concave cut off panel that rotates about the axis of the auger mechanism from an open strike off position to a closed cut off position. Because the concave cut off panel closely conforms to a portion of the circumference of the auger mechanism, the cut off mechanism provides for low ground clearance. The concave cut off panel serves the dual function of striking off the paving material when in the open strike off position and cutting off the deposit of paving material when in the closed cut off position.

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 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: A screed assembly apparatus for loose or plastic materials such as placed and/or poured, uncured concrete previously placed on the ground or another support surface, includes a screed frame, and mounted thereon, a striker for engaging and spreading the materials and a rotatable auger for moving the material longitudinally along the screed frame. The auger provides a pair of intertwined spiral flight coils. The striker is spaced to one side of the auger and in parallel thereto. An auger mounting means and a motive power means are engaged for rotating the auger to remove excess portions of the concrete from the pour.

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 road paving equipment tire track remover having a pair of blade assemblies, each including a semi-flexible blade with a lower edge and an upper edge. The upper edge is affixed to and shaped by a V-shaped frame so as to create a concave front side of the blade. The blade assembly is attached to the surface of a road paving vehicle near and behind the rear wheels of the vehicle in such a manner that the lower edge of the blade is in contact with the road surface. The blade assembly also includes a parallel scissors assembly to allow for vertical movement of the blade while in use, and a weight box to selectively adjust the pressure exerted by the blade on the road surface.

Abstract: A cement finishing screed is provided which comprises a frame member extending a length of the screed. The frame member includes a first lower beam member, a second lower beam member, an upper beam member, and a plurality of truss members securing the first and second lower beam members and the upper beam member together in a fixed relationship. Each truss member has two arcuate rod portions extending from the first lower beam member and the second lower beam member, respectively, to the upper beam member, and a strut portion extending from a lower end of one of the rod portions to a lower end of another of the rod portions.

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: An apparatus is provided for spreading aggregate material on ground. The apparatus includes a body 12, an engine 14 carried by the body, motive structure 18 powered by the engine to move the apparatus along the ground. A hopper 20 is associated with the body and is constructed and arranged to receive aggregate material from a source of aggregate material. Dispensing structure 24, associated with the hopper, is constructed and arranged to dispense aggregate material from the hopper to the ground. Wheel structure 30, carried by the body, is constructed and arranged to be movable between an inoperative position, wherein the motive structure is in a ground engaging position and the wheel structure is in a position so as not to engage the ground, and an operative position, wherein the wheel structure is in a ground engaging position and the motive structure is in a position so as not to engage the ground.

Abstract: An auger/cut off assembly for a floating screed asphalt paver. The auger/cut off assembly consists of an auger mechanism with an axis of rotation and a cut off mechanism. The cut off mechanism has a concave cut off panel that rotates about the axis of the auger mechanism from an open strike off position to a closed cut off position. Because the concave cut off panel closely conforms to a portion of the circumference of the auger mechanism, the cut off mechanism provides for low ground clearance. The concave cut off panel serves the dual function of striking off the paving material when in the open strike off position and cutting off the deposit of paving material when in the closed cut off position.

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 member, screed and method for realigning material and compacting. A material realigning member is provided including structure for moving at least a first portion of a depth of a quantity of material laterally from an initial position thereof and then at least a second portion of the depth of the quantity of material back towards the initial position. In this fashion, aggregate particles may be moved in three horizontal directions, e.g., a direction of travel by a roller waveform, and both lateral directions by the invention, to realign material and allow for improved compaction.

Abstract: In a slip-form paver comprising a tractor (2) consisting of a machine frame (4) telescopable at least transversely to the traveling direction, with working means being mounted thereto, where at least one of the working means is displaceable along a longitudinal guide (56) across the entire working width transversely to the traveling direction, characterized in that the longitudinal guide (56) for the working means as a predetermined length and is supported at the machine frame (4) for free displacement transversely to the working direction without adjustment to a certain working width.

Abstract: A combination asphalt/concrete surface repair machine. The machine is a direction-finding, wheeled, transportable vehicle, which is a self-regulating, repair machine, controlled by a complex central computer. The machine is capable of being attached to and hauled by another faster vehicle (i.e., truck) if necessary. This machine is guided by a positioning device, which uses advanced radar and laser technology to place the machine above every position of the road surface to be repaired. The machine uses data from seismic or radar analysis carried out in preparation for repairing the road surface by the use of robotic modules within the machine. This technology can also be used to build new roads, racetracks, airport runways, sidewalks, driveways, parking lots, etc. Multiple construction or repair functions are provided within one machine.

Abstract: A side dump compatible material conveyor system operable to function with a material placer and spreader unit includes a conveyor support frame and a first conveyor belt mounted on the conveyor support frame. A second conveyor belt includes outer and inner ends, the second conveyor belt mounted on the conveyor support frame and extending generally perpendicular to the first conveyor belt with the outer end of the second conveyor belt positioned adjacent one end of the first conveyor belt such that material moved on the first conveyor belt is transferred to the second conveyor belt. Finally, the inner end of the second conveyor belt is positionable in front of a material placer and spreader unit such that material moved on the second conveyor belt towards the inner end thereof is deposited in front of the material placer and spreader unit for placing and spreading of the material.

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: The device comprises a roadstone spreader having roadstone flap-doors which are juxtapositioned the transverse direction and which are of equal width, and a rail for spreading bituminous binder facing spreading zones for roadstone via the roadstone flap-doors. The rail f comprises a first set of nozzles which produce jets which cover approximately three pitches of an impact zone of the road surface and nozzles of a second set of nozzles which are interposed between the nozzles of the first set and which are supplied in order to produce margin jets having an impact zone which extends approximately over two pitches over the road surface.

Abstract: An anti-segregation device (10) for preventing segregation of paving material (P) that is applied to a road bed (7) by a paving vehicle (1). The anti-segregation device (10) includes a first end (14) that is connected with the frame (2of the paving vehicle (1) and an opposing end (16) proximal to the road bed (7). The anti-segregation device (10) is configured to substantially contain paving material (P) between the anti-segregation device (10) and a screed (3) on the paving vehicle (1). The anti-segregation device (10) substantially prevents larger material particles from falling, rolling or otherwise moving forwardly from the remainder of the paving material head (H) so as to generally prevent material segregation.

Abstract: An auger/cut off assembly for a floating screed asphalt paver. The auger/cut off assembly consists of an auger mechanism with an axis of rotation and a cut off mechanism. The cut off mechanism has a concave cut off panel that rotates about the axis of the auger mechanism from an open strike off position to a closed cut off position. Because the concave cut off panel closely conforms to a portion of the circumference of the auger mechanism, the cut off mechanism provides for low ground clearance. The concave cut off panel serves the dual function of striking off the paving material when in the open strike off position and cutting off the deposit of paving material when in the closed cut off position.

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 paving machine arranged to spread and level concrete along a path. The paving machine has a frame assembly, and at least one concrete processing device carried by the frame assembly. The processing device include at least two mutually screed elements spanning the width of the frame assembly and are mutually adjustable in height relative to the frame assembly. The paving machine futher include a control device that positions the at least two screed elements relative to the frame assembly.

Abstract: An anti-segregation device (10) for preventing segregation of paving material (P) that is applied to a road bed (7) by a paving vehicle (1). The anti-segregation device (10) includes a first end (14) that is connected with the frame (2) of the paving vehicle (1) and an opposing end (16) proximal to the road bed (7). The anti-segregation device (10) is configured to substantially contain paving material (P) between the anti-segregation device (10) and a screed (3) on the paving vehicle (1). The anti-segregation device (10) substantially prevents larger material particles from falling, rolling or otherwise moving forwardly from the remainder of the paving material head (H) so as to generally prevent material segregation.

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: A system for securing interlocking tubular components comprises first and second tubular. components to be secured and a locking apparatus located within the first tubular component. The first tubular component has a smaller diameter than the second component and contains slits that permit expansion of the outer diameter of the first tubular component under the action of the locking apparatus. Each of the first and second tubular components has an aperture therein, the locking apparatus having a spring-loaded button member that protrudes from the aperture of the first component. When the first component is inserted into the end of the second component,, the apertures are aligned and the button rises through the second aperture, thus holding the components together. An adjustment tool is then inserted through a bore in the button into the locking apparatus.

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 movable base unit and a movable support unit, 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 plowing and/or screeding device at the discharge outlet to grade, level, compact and smooth the concrete as it is placed.

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: When mounted to a vehicle, a dispenser ejects optical elements so that they have a component of movement that is parallel with the surface of the pavement to which the optical elements are to be applied. Preferably, the component of movement in that direction is more significant than a component of movement directly toward the pavement surface. A fluid assist causes the optical elements to be ejected from the dispenser nozzle at a velocity to at least partially counteract, and preferably match, the forward velocity of movement of the vehicle to which the dispenser is attached. Thus, in accordance with one specific aspect of the present invention, optical elements can be laid down upon marking material that has been applied to a pavement surface at a substantially reduced relative velocity to the road surface.

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 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 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: The curb forming and extruding machine forms continuous concrete edging while reducing and/or substantially eliminating voids, flat spots or weak areas caused by smoothed sections in the packed concrete. Also, concrete bridging in the hopper, and the associated problems, are reduced and/or eliminated. The curb forming machine includes a plunger which is driven along a path of travel including a forward position to force the curb forming material from the lower hopper section into and through the curb extrusion mold, an upward position so that the plunger extends into the upper hopper section, and a rearward position away from the curb mold and in the lower hopper section. The plunger extending into the upper section of the hopper eliminates concrete bridging and also scores the concrete as it packs it into the mold.

Abstract: An improved dump trailer hinge design for use in asphalt paving applications is disclosed. The hinge system may be used on dump or straight trailers having half or full trailer frames. The trailer dump bed is hingeably mounted to the trailer frame by hinge arms having a length greater than the vertical distance between the hinge and the trailer bed. A mud flap mounting bracket suitable for use with the hinge system is also disclosed.