Abstract: A mobile work machine includes a first grade control system that receives a an external reference position signal from a geographic positioning system, and generates blade control signals to control an orientation of a blade in grading a worksite. The mobile work machine also includes a second grade control system that uses blade mainfall and cross slope as well as chassis (or mainframe) mainfall and cross slope to control the orientation of the blade relative to the frame of the work machine to create a planar grade of a desired mainfall and cross slope. When functionality of the first grade control system is interrupted, the mobile work machine automatically switches to using the second grade control system to perform the grading operation, until the interruption to the functionality of the first grade control system is restored.

Abstract: A litter distribution apparatus provides for even distribution of a bedding material to an animal containment area for animal husbandry operations. The distribution apparatus has vertically adjustable skid legs that support the apparatus at a desired elevation as it is drawn across a ground surface of the containment area. A frame and litter containment skirt allow for the accumulation of the bedding material and even disposition along the ground surface based on the selected elevation of the skid legs. The skid legs may be vertically adjustable via an actuator.

Abstract: A strike off assembly for a placer spreader apparatus includes a strike off support beam and left and right side plate assemblies attached to ends of the support beam. A strike off plate assembly includes a left strike off plate portion and a right strike off plate portion pivotably connected together. A plurality of strike off actuators are connected to the strike off plate assembly and configured to raise and lower the strike off plate assembly relative to the support beam to vary a height of a material placement space.

Abstract: Apparatuses for and methods of moving the ends of windrows inward are disclosed. The apparatuses of the present invention include a front end, a rear end and two opposing sides, the front end configured to be wider than the rear end, two skids attached to the two opposing sides, a gate rotatably attached to the rear end and configured to cover an opening in the rear end, a gate cylinder operably attached to the gate and configured to close the gate to collect fruit and/or nuts within the apparatus, and open the gate to distribute the fruit and/or nuts outside of the apparatus, thus eliminating the need to hand rake the ends of the windrows inward or to blow the ends of the windrow inward with a hand blower.

Abstract: A rolling device includes a chassis equipped with a reservoir for holding bulk materials and a smoothing table, the smoothing table having a leading edge arranged transversely to the direction of movement of the device, and the bottom of the reservoir being provided with a discharge opening arranged between the leading edge of the smoothing table and the wheels of the rolling chassis of the device, the wheels of the rolling chassis being driven and the rolling chassis being mounted so as to be able to tip about the axis of rotation of the wheels, the reservoir and the smoothing table forming a movable assembly, and the position of the movable assembly can be adjusted by an adjustment unit so as to be able to adjust the height of the smoothing table and the discharge opening, and the inclination of the smoothing table.

Abstract: Methods and apparatus for repairing road surfaces mix aggregate and liquified crack sealer on demand into mastic material for direct delivery to the road surfaces. Aggregate flows from a tilted box of a dump truck into a hopper and is conveyed by an auger into a tubular horizontal chamber. Liquified crack sealer is deliverable from a tank to the road surface or into the tubular horizontal chamber where it is mixed with the aggregate by a device into mastic material which is pushed through a vertical opening for delivery directly to the road surfaces. The frame which supports the hopper, conveyor, tank, and tubular horizontal chamber is movably supported on the road surfaces and is hitched to the dump truck.

Abstract: A asphalt pavement recycling device comprising a base frame hingedly secured to a platform, a rotatable drum unit rotatably secured to the base frame, the drum unit having a drum opening and a drum rear, a hopper assembly hingedly secured to the base frame, a burner assembly hingedly secured to the base frame wherein the burner is used to heat the materials which are to be recycled/processed, a fuel source, a plurality of right-handed flights secured within the rotatable drum unit, a plurality of left-handed flights secured within the rotatable drum unit, a plurality of gator plates secured within the rotatable drum unit, a hydraulic unit secured to the device and operationally associated with the base frame, the rotatable drum unit, the hopper assembly and the burner and a control station operationally associated with the hydraulic unit, the base frame, the rotatable drum unit, the hopper assembly and the burner.

Abstract: A paving machine for wide-width paving includes a conveyor system, an auger system disposed adjacent to the conveyor system, a screed adjacent to the auger system, and sensing circuitry configured to sense paving material height at one or more of an entrance to the conveyor system and a front side of the auger system to sense or detect underflow or overflow conditions of the paving material. The sensed heights are communicated to control circuitry of the paving machine, through signals from the sensing circuitry, and control circuitry controls rate of movement of one or more of the conveyor system and the auger system.

Abstract: A sand blaster is provided that includes an engine carried by an engine mounting plate. A frame is included and an engine support isolator engages the frame and carries the engine mounting plate. The engine support isolator has a stud that extends through a first coil and a stud guide that has a tapered inner surface. The stud extends through the stud guide. In other arrangements an air regulator that is adjustable is provided, and a nozzle that features reduced wear is provided.

Abstract: A paving machine that comprises a frame, a driving mechanism coupled to the frame, an asphalt delivery system, a spray assembly coupled to the frame, a pump coupled to the spray assembly, a screed coupled to a back side of the frame and configured to smooth asphalt material applied to the road, and a controller coupled to the driving mechanism.

Abstract: A system includes a mold configured for forming a paving material into a slab upon a surface, the mold including a width that is substantially perpendicular to a direction of travel of the mold; a mold positioning system coupled to the mold to control a position of the mold above the surface, the mold positioning system including at least one positioning element coupled to the mold to move at least a portion of the mold; and a transport unit including at least one portion configured to contact the surface, the transport unit including a rigid mount coupled to the mold positioning system to maintain a fixed spatial relationship between the transport unit and the mold positioning system, wherein the width of the mold is substantially greater than or equal to a maximum width of the at least one portion of the transport unit configured to contact the surface.

Abstract: An asphalt receiving hopper for an asphalt paving machine includes a left sidewall, a right sidewall, a front wall and a pair of baffle panels. The left baffle panel is resiliently attached to the left sidewall and adapted to extend into the asphalt receiving hopper, and the right baffle panel is resiliently attached to the right sidewall and adapted to extend into the asphalt receiving hopper.

Abstract: A construction machine, according to the disclosure, for the processing and/or transport of material having a temperature-dependent viscosity is configured as a road finisher or a feeder. The construction machine comprises a machine frame on which a material bunker, an operator's platform, a primary drive as well as an undercarriage with propulsion elements are provided. The construction machine furthermore comprises a conveyor system which is configured to convey the material, wherein the conveyor system comprises at least one screw conveyor, and the at least one screw conveyor is supported by at least one bearing structure. The construction machine is characterized in that the at least one bearing structure can be heated by at least one heating element.

Abstract: A screed assembly is disclosed for use with a paving machine having a machine frame. The screed assembly may have a main frame operatively connected to the machine frame, and a sub-frame with a body and a screed plate. The screed assembly may also have a vibration isolator disposed between the main frame and the sub-frame, and at least one adjustment mechanism disposed between the body and the screed plate. The at least one adjustment mechanism may be configured to adjust a flatness of the screed plate. The screed assembly may further have a vibration device connected to the body of the sub-frame and configured to vibrate the sub-frame.

Abstract: A mobile asphalt production machine which includes support for different asphalt concrete recipes including a plurality of aggregate storage bins which work on combination with a fines or sands storage bin. The individual bins have separated feeding chutes to the mixing trough. The machinery also includes a removable pan at the elevator transfer station to accommodate changeover from one grade aggregate material to another. Further, a controller is provided which delivers appropriate ingredients while also measuring process parameters to adjust various input requirements. Further, a dust and particulate recapturing system is provided which recycles particulate matter back into the ribbon of mixed material with a binding agent.

Abstract: A gravel spreader/paver apparatus and method for transporting and spreading gravel and other base materials, onto a surface, such as a roadway, including a hopper portion for receiving base material from a separate machine, such as a dump truck; attachment brackets for attaching the apparatus to machinery for providing movement to the apparatus; a roll of geo-textile fabric secured onto the apparatus; base material, such as gravel, in the hopper portion for being delivered on the geo-textile fabric as the fabric is unrolled from the apparatus while the apparatus is moving forward; an adjustable moldboard mounted on the apparatus for spreading the base material to a pre-determined, precise depth; the moldboard adjustable to multiple positions, to control the amount, depth, and width of the material being spread; adjustable plates for allowing the base material to be spread onto the sub-base at predetermined widths, depths and slopes.

Abstract: A road paver F having a primary driving aggregate P with a combustion engine M, particularly a diesel engine, the crankshaft 22 of which extends to a power output region within a casing 20 of a clutch and/or a flywheel. A generator R is driven by the primary driving aggregate P at least for supplying electric heating devices H of the road paver F with electric power. A distribution gear mechanism 30 for pumps is mounted to the primary driving aggregate P. The generator R being a generator with permanent magnet excitation is mounted to or into or in lieu of the casing 20. A drive train 29 connected or connectable to the power output region of the crankshaft 22 extends to the distribution gear mechanism 30 for pumps and through the generator R.

Abstract: A desegregation apparatus that desegregates a stream of HMA that includes particles of varying size includes a desegregation hopper, which houses an auger assembly. A series of counter-handed augers is mounted on a shaft disposed within the hopper. Open sections are disposed between adjacent auger sections and above openings in the bottom surface of the hopper.

Abstract: A pothole repair system for completely repairing potholes through the operation of a loader vehicle and connected implement. The implement generally includes a supporting structure adapted to mount to the loader, such as a skid steer loader or excavator, a hopper-style bucket connected to the supporting structure, the bucket having a lower opening closable by an actuated gate, a first impact device connected to the supporting structure to engage a road surface in a reciprocating manner, wherein first impact device has an interchangeable tamper end, a second impact device connected to the supporting structure to engage a road surface in a reciprocating manner, wherein the second impact device has an interchangeable chisel end. The impact devices may be raised and lowered via linkage assemblies or may be fixed to the supporting structure. Other tools, such as air nozzles may be used to assist in repairing the potholes.

Abstract: The present invention generally relates to a portable asphalt recycling and asphalt heat management apparatus comprising a seamless vacuum-formed one-piece combustion chamber that defines a fuel incubator disposed therein. A heat accumulator is operably coupled to the combustion chamber and a hopper assembly is operably coupled to the heat accumulator. The apparatus further comprises a heat distribution system in communication with the heat accumulator and the hopper assembly to provide heat the to the hopper assembly for recycling used asphalt or for maintaining a mixture of asphalt for use in asphalt repairs.

Abstract: An aggregate-spreading device is disclosed for widening roads, filling trenches, spreading any kind of road construction material, and creating shoulders on the side of roads at a controllable, quick, and steady pace. The aggregate-spreading device may be controlled by electronic motors and electronic actuators. The aggregate-spreading device is equipped with a skeletal frame, either a first and a second adjustable spreader assembly attached on opposing ends of the skeletal frame, or a single spreader assembly for allowing an operator precise control over placement of an aggregate. The aggregate may be supplied to the first or second adjustable spreader assemblies by adjusting the rotation of a reversible conveyor system. The skeletal frame simplifies manufacturing of the aggregate-spreading device and allows for easy repairs and maintenance. The electronic motors and electronic actuators eliminate the need for hydraulics, allowing an operator to control the device from a remote location with a controller.

Abstract: The present invention is a flexible skid steer road widening and shouldering attachment device with an adjustable spreader system which gives the operator precise control over the placement of debris.

Abstract: A gravel spreader/paver apparatus and method for transporting and spreading gravel and other base materials, onto a surface, such as a roadway, including a hopper portion for receiving base material from a separate machine, such as a dump truck; attachment brackets for attaching the apparatus to machinery for providing movement to the apparatus; a roll of geo-textile fabric secured onto the apparatus; base material, such as gravel, in the hopper portion for being delivered on the geo-textile fabric as the fabric is unrolled from the apparatus while the apparatus is moving forward; an adjustable moldboard mounted on the apparatus for spreading the base material to a pre-determined, precise depth; the moldboard adjustable to multiple positions, to control the amount, depth, and width of the material being spread; adjustable plates for allowing the base material to be spread onto the sub-base at predetermined widths, depths and slopes.

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: Feeder hopper for a movable mineral material processing device, whose walls are arranged to be turned upward to a working position, and which are locked into said working position. To lock the walls, there is at least one locking means in connection with them, said locking means containing at least a locking member and transfer means. According to the method the locking member is transferred to the locking position with the transfer means.

Abstract: A hopper insert is provided for a road paver. The hopper insert includes a funnel-shaped base body formed by four side walls. The upper side of the base body is open and at least three of the side walls extend inwardly therefrom to a bottom opening. One of the side walls includes a side outlet which is open to the bottom opening. The base body or the side outlet is adjustable in a width direction extending along the side wall containing the side outlet. The hopper insert is removably disposed in an integrated hopper of a road paver. The integrated hopper includes a rear wall with a gate that is adjacent the side wall of the hopper insert containing the side outlet. The side outlet is adjustable in the width direction to correspond to the width of the gate.

Abstract: An mobile material placer or slinger with a placer conveyor having a gear-to-gear pivoting mechanism. The mobile material placer includes a body, a material hopper coupled to the body and configured to receive and store material, a feeder conveyor coupled to the body, and a placer conveyor pivotally coupled to the body about a vertical axis. The gear-to-gear pivoting mechanism includes a first gear attached to the body of the material placer and that drives a second gear fixedly mounted to the placer conveyor.

Abstract: Feeder hopper for a movable mineral material processing device, whose walls are arranged to be turned upward to a working position, and which are locked into said working position. To lock the walls, there is at least one locking means in connection with them, said locking means containing at least a locking member and transfer means. According to the method the locking member is transferred to the locking position with the transfer means.

Abstract: A paver hopper flap suspension system has a number flaps attached to the hopper frame. A cable restraint line is attached to the flaps. A tensioning system is attached to the cable restraint line. The tensioning system allows the flaps to distort as the loading truck body engages the hopper entrance. Once the truck exits the hopper entrance the hopper flap suspension system causes the flaps to spring back to their original shape. The suspension system may include a torsion spring biasing the flaps into a vertical position. The tensioning system may include a tension adjuster. Using this system the flaps are not torn and hold the asphalt in place as the loading trucks dump asphalt into the hopper.

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: Feeder hopper for a movable mineral material processing device, whose walls are arranged to be turned upward to a working position, and which are locked into said working position. To lock the walls, there is at least one locking means in connection with them, said locking means containing at least a locking member and transfer means. According to the method the locking member is transferred to the locking position with the transfer means.

Abstract: A method and apparatus for constructing a filter zone of an earthfill dam, in which the filter zone includes adjacent coarse and fine filter layers. The coarse and fine filter materials are discharged simultaneously from an earthmoving vehicle having an ejector body. The ejector body includes a longitudinal divider wall that maintains segregation of the materials during transport, and the materials are discharged through separate chute assemblies so as to place the materials in elongate, side-by-side berms. The ejector vehicle is followed by a dozer or other piece of equipment that grades both berms simultaneously. Each pass of the ejector vehicle and dozer thus forms a stratum of the filter zone. The passes are repeated to form a plurality of strata in overlying relationship such that the coarse particulate material forms the coarse filter portion of the filter zone and the fine material forms the fine filter portion of the zone.

Abstract: A process and device for the recycling of asphalt including at least one preheater unit. The preheater having a heater, scarifying rakes, and a bin to dispense aggregate. Also include is a recycling machine having a heater, scarifying rakes, a plurality of extension mills, a main mill, as well as a pug mill having first and second downwardly rotating rotors, the pug mill mixes asphalt and liquid additives together to form a homogenous mix; and at least one screed for laying the homogeneously mixed asphalt to grade.

Abstract: A method and apparatus for laying a curb is disclosed. The apparatus features a preferably tracked vehicle (tractor) that connects to a frame having a hopper. A hydraulic lifting arrangement enables hydraulic controls on the vehicle to elevate/lower the frame. The frame has a hopper for receiving wet concrete and a curb shaping portion that shapes the wet concrete into a curb shape. A specially configured interface maintains attitude of the frame during use.

Abstract: A system and method for monitoring bank notes for the presence of counterfeit bank notes provides for the detection of such data of each bank note to be monitored that permit a judgement to be made on the authenticity of the bank note. By way of the data detected, the authenticity of each bank note is judged, and in the event that the judgement of the authenticity of the respective bank note leads to the conclusion that a counterfeit and/or counterfeit suspect bank note is present, the data of the respective bank note are transferred to a data bank.

Abstract: A slipform sled for paving street curbs and gutters has a hopper and a curb and gutter mold. A pivoting mold assembly having a standard curb elevation mold and a driveway curb elevation mold is mounted on the slipform sled. The pivoting mold assembly pivots on a shaft oriented parallel to the direction of motion of the slipform sled. Paving material is flowed into the hopper and is extruded through the standard curb mold or the driveway curb mold while the sled is moving providing a smooth uniform finish. Only the relatively small transition section between the standard curb and driveway curb needs hand finishing. The elevation of a vibrator in the hopper is changed to correspond to the elevation of the curb extruded.

Abstract: A method to form a multi-course paver from two independent pavers, namely a lower base paver (10) and an upper paver (11) saddled thereon using the piggyback principle. Both the base paver (10) and the upper paver (11) can be used as stand-alone pavers for producing single-layer road surfaces. Therefore, the invention does not require any costly add-on devices, which can be used only for multi-course paving, for paving the second course of the road surface.

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: 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: 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 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: Accordingly there is disclosed a safety door system, comprising a hopper body containing a powered implement powered by a hydraulic control system, for dispensing liquid or granular materials or for agitating the liquid or granular materials; a safety door for covering and preventing access into the hopper body during use; a hydraulic actuating cylinder operative to open the safety door; and an interlock device coupled between the hydraulic actuating cylinder and the hydraulic control system such that the powered implement within the hopper body is prevented from operating whenever the safety door is not in its closed position. In another embodiment there is disclosed a method of limiting access to a hopper body of a mobile pavement repair system during its use, the hopper body having a powered implement within the hopper body and powered by a hydraulic motor.

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 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 ditch forming apparatus makes the finishing touches on the ground work whereat the ditch is to be formed, pours the concrete, screeds the concrete, and finishes the surface of the concrete. The apparatus uses a hopper with and open top and an open bottom to receive as well as pour the concrete. An extension on the front of the apparatus has a pair of sloped sides joined by a flat bottom making the final shaping of the ground prior to concrete pour. The back edge of the open bottom screeds the concrete while a skid attached to the rear of the apparatus finishes the surface of the poured concrete, the skid having surfaces that are generally parallel with the sides of the extension.

Abstract: The present invention provides an apparatus for applying thermoplastic marking material to a pavement surface. The apparatus includes a hopper for holding a supply of particulate thermoplastic marking material in a non-molten state, a means for conveying the thermoplastic marking material from the hopper to a continuous melt processor, and a conduit from the continuous melt processor to a dispenser that directs molten thermoplastic marking material to the pavement surface. The apparatus further includes means for heating the continuous melt processor and conduit to a temperature that is higher than the melt temperature of the thermoplastic marking material. The present invention also provides a method of applying a thermoplastic marking material to a pavement surface.

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.