Abstract: In a process and an apparatus for the stabilization or repair of damaged roads, the road surface is milled off and the material is crushed on the site. The surface material so obtained is added with binders of cement, cement sludge, water and/or bitumen emulsion and/or pre-mixed addition material and/or mineral components of the required grain size and amount, and the material so prepared is again built into the road surface.

Abstract: The invention concerns a planing device for planing down road surfaces, having a roller-type, rotatably supported planing body designed in the form of a conveyor worm 3, the planing body having a multiplicity of planing tools which are arranged in releasable retention boxes 1 which are in turn bolted by means of their shank parts 4 in radial recesses 2, open at the side, it being possible to fasten at least one retention block 8 at least partially covering the shank part 4 by bolts 9 penetrating through the conveyor worm 3 in order to retain the shank part 4 of the retention box 1 in the side opening 2.In order to change the retention boxes, it is then only necessary to loosen the fastening bolts 9 of the retention block 8.

Abstract: A milling device for cutting up road surfaces which includes a roller-type milling body including a rotatably-mounted spiral conveyor, a plurality of rotary cutters carried on the spiral conveyor, the rotary cutters mounted for free rotation about their respective longitudinal axes. A plurality of retaining boxes is provided, each retaining box detachably connected by at least one screw in a respective trapezoidally-shaped positive radial recess in a wall of the spiral conveyor, each retaining box having a bore hole therein for receiving a respective one of the rotary cutters. The retaining boxes each have a trapezoidally-shaped shaft part for being matingly received in the trapezoidal recess with the narrow side of the trapezoidally-shaped shaft facing towards the spiral conveyor.

Abstract: This invention relates to a front-loading cutting device for cutting up damaged road surfaces, having a self-driving chassis, a pair of front wheels and a pair of rear wheels, a cutting cylinder which is height-adjustable in relation to the chassis and a loading belt arranged at the front end, in which the cutting cylinder is arranged at the rear of the chassis and a transport belt is provided for the cut-up material below the chassis between the cutting cylinder and the loading belt.

Abstract: In a machine for cutting road surfaces, with an undercarriage having its own drive, with a cutting device arranged on it and having at least one cutting roller which extends transversely relative to the direction of travel and around which the cut material runs so as to be conveyed forwardly in the direction of travel, and with a conveyor device in the manner of a belt conveyor, arranged on the undercarriage, for transporting the cut material out of the cutting region to a collecting point, particularly onto a motor truck adjacent to the undercarriage, the conveyor device is arranged in front of the cutting device in the direction of travel at a passage orifice provided in a cover, and a material-collecting flap is arranged behind the cutting device in the direction of travel. The cover, the conveyor device receiving the cut material and the material-collecting flap are each fastened pivotably to the undercarriage, so that the cutting device is easily accessible in order to exchange the cutters.

Abstract: In a scraping roller mounting apparatus for scraping machines for scraping off roads, a motor-driven scraping roller is mounted rotatably by both ends in a frame arranged transversely to the direction of travel and attached to the chassis by two vertically adjustable mounting members. The frame is guided on the chassis by two dovetail-type slide and thrust guide members arranged at a mutual interval and aligned vertically.

Abstract: The invention relates to an apparatus for working deposits by the open-cast working process with a self-propelled chassis, with a cutting cylinder mounted vertically adjustably thereon to cut away the deposit to a given depth, and with a loading apparatus for the material cut away, in which one or more photosensors I and II are provided at the height of the cut-away surface of the deposit, which react to the light reflected by the deposit and contact the vertical adjustment of the cutting cylinder. The sensors preferably consist of a phototransmitter and a photoreceiver which are arranged juxtaposed and preferably operate with a light wavelength in the infra-red range.

Abstract: The invention relates to a compact milling machine for milling off damaged road surfaces, having a loading device for the milled-off material and consisting of a chassis, provided with a drive motor and having a front wheel pair which can be steered and driven, and a milling roller, which can be driven by the drive motor in the opposite direction of rotation of the chassis wheels and is attached to the end of the chassis, the milling roller having support wheels adjustably arranged on their holders, in which compact milling machine, in the direction of travel, behind the milling roller, a loading device consisting of a conveyor belt and provided with a holder is arranged in such a way that it can be swivelled about a horizontal axis preferably by means of a hydraulic positioning cylinder.

Abstract: The invention relates to an apparatus for roughening road surfaces, which consists of a roller which is mounted on a chassis so as to be vertically adjustable, is disposed transversely to the direction of travel, is driven by a motor and is equipped with milling cutters, wherein the milling cutters are fastened resiliently on the roller.

Abstract: The invention relates to a process and an apparatus for the production of applicable coating material for coating road surfaces, by which the old coating material together with aggregates and/or new coating material is mixed in a mixer device provided on a vehicle and is heated in an indirect manner. The apparatus comprises a mixer drum arranged on a vehicle rotatable along its longitudinal axis and including a heating device extending along a substantial portion of the drum length as well as guide fins provided at the interior circumference thereof rotating in a first direction of rotation the material in the mixer drum and in a second direction of rotation conveying the mixed material out of the mixer drum.

Abstract: The invention relates to a method for repairing ruptured longitudinal seams or cracks in road surfaces which consist of a thermoplastic material and particularly of an asphalt coating including bitumen and mineral constituents, by which, under the application of heat, new coating material is applied and consolidated in the area of the longitudinal seams or cracks, wherein at first mud and humidity is removed from, and out of, said longitudinal seam or crack, said longitudinal seam is subsequently softened by heating, said softened coating is loosened from the underground and is compounded with the new material and/or liquid or liquified aggregates and is finally incorporated and consolidated again.

Abstract: A milling roller mounting support on milling machines for milling road surfaces has a frame vertically adjustable and at right angles relative to the direction of movement provided on the chassis. The milling roller is rotatably supported at its ends in the frame and is driven on one, or both, respectively, sides by means of a motor each. The frame is provided between at least two parallel guide faces arranged one after the other in the direction of movement and is secured to the chassis by two mounting supports, which are vertically adjustable. A lateral shift of the frame is avoided by a nose arranged at right angles relative to the axis of the milling roller, which nose is guided in a vertical groove provided in the chassis.

Abstract: The invention relates to a machine for providing milled or peeled road surfaces with a coating, comprising a chassis including a drive motor and having in the front portion thereof a supply or storage container for the material to be applied and in the rear portion thereof a plank-shaped finisher wherein between said supply container and said finisher a mixing device is disposed, which is provided with a first conveyor device feeding the material from said supply container and a second conveyor device feeding the milled-off or peeled material from the ground.

Abstract: The invention relates to a method and apparatus for abrading and recoating road pavements by peeling or milling the road pavement surface which is to be renewed and coating it again, wherein the milled-off material is collected, heated, if desired, and mixed with aggregates, and is then applied as a new pavement. The apparatus for performing this method comprises a peeling or milling unit provided on a chassis, which is preferably automotive, a collector device for the peeled-off or milled-off material and, if desired, an additional road paver for the application of the new road pavement material, wherein in addition to said collector device a mixer is provided, in which the peeled-off or milled-off material may be mixed with the ingredients which are to be used for the renewed application.

Abstract: The invention relates to a method for renewing road surfaces where in the course of one single operational step the road surface is milled away, heated and coated with new material and wherein according to a special embodiment of the invention the milling away or cutting away is performed to an amount not reaching the depth of the damages, at least part of the cut away material is distributed in the remaining recesses and is compressed, and subsequently the road surface is subjected to a heating and a subsequent aeration and is then uniformly coated with new material; and it relates also to a machine for performing the method, wherein, behind said cutting or milling device, a distribution device for distributing the milled off material in the remaining recesses of the road surface, a compression device for compressing the milled off material within the recesses, a heating device and optionally a scraper device provided for the aeration of the road surface, which are followed by a spreader device for applying

Abstract: The invention relates to a machine for cutting away or peeling off road surfaces including a conveyor machinery transporting the cut away or peeled off material from the road level to a transportation means, said conveyor machinery being tiltingly hinged, at one of its ends, around a substantially perpendicular axis and is swingable from a transport position into an operating position in which it can vertically adjustably be locked. The conveyor machinery is secured, at one of its ends, to a support having bushes at its ends which are vertically adjustably arranged on two parallel guide spars, said guide spars constituting, together with two crossbars secured to the ends thereof, a frame which is tiltingly hinged around the axis of one of said guide spars and which is releasably, and if necessary vertically adjustably, connected with the chassis within the range of the other of said guide spars.

Abstract: A Machine for cutting away road surfaces has a chassis which is preferably self-propelled and which has an intermediate portion situated above the road surface which is to be worked. Beneath this intermediate portion of the chassis is a frame which carries at least one cutter roller which extends transversely with respect to the direction of travel of the chassis. The cutter roller is driven from a gear which is also carried by the frame and which is connected to a drive by way of a Cardanic-type shaft. The frame is suspended from the chassis by only two supports which at their lower ends are connected to the frame in a plane which includes a substantially central longitudinal axis of the chassis to support the frame for free tilting movement about an axis in this plane which extends in the general direction of travel of the chassis, so that by way of this two-point suspension the frame together with the cutting roller can tilt laterally.

Abstract: Apparatus and method for milling road surfaces wherein a motor driven rotatable roller, equipped with hard-metal cutters, is moved horizontally relative to the road surface, while support wheels, adjustable by individual screw jacks or hydraulic jacking cylinders, make it possible to adjust the vertical height of the end bearings of the roller with respect to the road surface. The roller is rotated in a direction opposite to the direction of forward movement of the axis of the roller relative to the road surface. That is, the cutters mill the road surface in a direction of forward movement of the axis of the roller.

Abstract: An apparatus for milling road surfaces, the apparatus including an elongated milling roller having hard metal cutters and being adapted to be driven around its central horizontal axis. A pair of end supports extend across opposed ends of the roller normal to the axis thereof, these end supports having projections which extend forwardly of the roller.