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WO/1988/005102 |
A screeding machine to enhance steering capabilities has a frame (10), a rear drive roller (18), forward drive roller (19), and a screed roller (20). The drive roller (19) axle (19') is journalled on a lower portion (43') of the hinge pl...
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WO/1988/000270 |
The apparatus comprises a support (1) to which is suspended a rotary arm (2), attached to which is a leveling device (3). The support (1) is designed so that it can be arranged vertically and that the arm (2) can be secured by a wedge-sh...
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WO/1987/007921 |
The machine for making coverings of concrete and similar products poured from a hopper (19) is caracterized in that it comprises a frame (1) supporting by means of at least two rollers (3, 7) an endless sheet (8) of which the width corre...
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WO/1987/003317 |
A method and an apparatus for mixing gravel materials and bitumen. The gravel material is mixed with a bitumen emulsion by causing the gravel material to fall onto an inclined screen (12) separating coarse gravel particles (G) from fine ...
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WO/1987/002694 |
Liquid bitumen at a temperature of 120 - 160oC is mixed with 1-3% by weight of water in a mixing device (8) at a pressure which is higher than the saturation pressure of water vapor at the temperature of the hot bitumen. From the mixing ...
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WO/1987/002397 |
Method of arranging the cooling in a compactor equipped with at least one roller drum (3), in which the motor and/or other equipment, for example the hydraulic system, has forced circulation water cooling or water cooled closed forced ci...
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WO/1987/000221 |
A concrete finishing machine having a rotatable trowel blade assembly (11) and a mechanism (27, 29, 33) for controllably adjusting the pitch of the trowel blades (15) relative to a wet concrete surface (19) on which the blades rest. Manu...
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WO/1986/006119 |
An apparatus for unloading bulk material, particularly asphalt and the like, from the deck (3) of a load-carrying vehicle, and spreading the material (49) over ground (37) contiguous to the vehicle, includes a spreader unit connectable f...
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WO/1986/003237 |
Estimation of the degree of compaction of a bed using a compacting machine working according to the oscillatory principle. The oscillatory compacting machine (1) is arranged to act on the bed by gravitational force and rapidly alternatin...
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WO/1986/002963 |
In said method, casting is performed in continuous action from a moving vehicle, wherein aggregate (7) is continuously delivered into an open-bottom discharge silo (8), the mass flow rate of passing aggregate (7) is monitored and, depend...
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WO/1986/002962 |
A process and system involving the preparation, i.e. in particular the heating, in differently-designed drum installations (1, 2), of a proportion of used asphalt (MA) and fresh material (MN) to form the asphalt mixture which is to be pr...
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WO/1986/001551 |
Device enabling to spread and vibrate road materials in the mass during the spreading thereof to facilitate compaction. The device may be mounted either on conventional machines or on self-propelled specially designed chassis, and it may...
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WO/1986/000654 |
A method for manufacturing such compactors in different sizes that are meant to be used e.g. on dumping sites for crushing refuse and for compacting the refuse layer. The main parts of the compactors are chassis, engine and cylinder-shap...
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WO/1985/005388 |
A microwave energy reflecting zone (12, 12a, 12b) is provided below the surface of a pavement (11, 11', 11a, 11b) at a depth that is less than the maximum depth that such energy can penetrate into paving materials. The reflective zone, w...
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WO/1985/005439 |
An asphalt recycling system (11) and process are incorporated into an existing batch type asphalt plant (10). The existing asphalt plant (10) has an aggregate dryer (15) and air discharge ducts (26) connected to a filtering system (27). ...
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WO/1985/004915 |
A reduction in the overall dimensions of the entire installation and in energy losses is achieved with at the same time improved handling characteristics of the installation and a comparative simplification of its construction by the fac...
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WO/1985/004686 |
A method for levelling and smoothing concrete when concreting large areas. According to the method a machine which is so constructed that it floats lightly even on highly fluid concrete mass and thus normally exerts a very low surface pr...
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WO/1985/004435 |
Paving machine comprising a motor vehicle (1) provided with a tool holder member (4, 6), and a grip (10) for clamping a plate of paving stones (52), said grip (10) comprising support means (28, 36, 37), which are individually detachable,...
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WO/1985/001972 |
When compacting soil a vibration mass bearing on the ground is caused to vibrate, wherein the vibration process is controlled in dependence on the behaviour of the mass spring system, part of which being constituted by the soil. Tests ha...
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WO/1985/000124 |
The manually-operated pneumatic vibration-protected impacting machine comprises a shell (1) wherein a body (2) is coaxially arranged so that it may move in an axial direction. A piston (3) is provided in the body (2). Means for feeding a...
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WO/1984/002709 |
A method of making and the resulting diatomite-modified pavement. The addition of small amounts (0.5 to 2%) diatomite by weight to conventional pavement mixes, serves to increase density, viscosity, aggregate interlock and temporarily vo...
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WO/1984/000377 |
Method and device for manufacturing of asphalt bulk masses where a substantial part of the heat energy of the furnace gases from the drying and mixing process is transferred to the bulk mass fractions before those are supplied to the dry...
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WO/1983/003270 |
Method and apparatus for mechanically laying paving or the like, in which, by means of a carriage equipped with a suction-lift device, at least one group of bricks is removed at a time from a packet of such bricks. The bricks of the grou...
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WO/1983/002619 |
A high asphalt content paving material containing diatomite. The diatomite stabilizes the additional asphalt preventing bleeding, rutting and shoving. The diatomite must be present in sufficient quantity to adsorb at least the excess asp...
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WO/1983/001797 |
The sucking hoisting member (13) of an automotive device, especially for laying down paving stones assembled in a block, has a rectangular shape and comprises suction nozzles (24) which are mutually independent and which can be axially a...
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WO/1983/000979 |
An apparatus for spreading granular material, such as fertilizer, has a carriage (1) on which there is mounted a vertical conveyer (5, 6) which comprises a vertical cylindrical housing (5) and a conveyer screw (6) rotatably mounted there...
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WO/1983/000700 |
In the batchwise production of asphalt concrete only such aggregate is utilized, as comprises a coarse-grained portion, a fine-grained portion and a filler portion. The coarse-grained portion and the bituminous binder used are mixed in a...
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WO/1983/000712 |
The soil compaction apparatus (1) comprises a compaction plate (2) and at least an excentric rotatingly driven mass for creating a vibration. The plate (2) is provided with a shaft (5), arranged perpendicularly to the plate, and on which...
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WO/1982/004082 |
A shaft arrangement (34) having a transversely displaceable weight member (42) relative to the shaft arrangement's longitudinal axis (B). The shaft arrangement (34) includes a housing structure (36) within compression structure (44) is a...
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WO/1982/003355 |
A device for smoothing and flattening newly laid concrete or like plastic mass. The device is of the kind comprising a beam (1) having connected thereto a rotary-type vibrator (5), intended to impart a vibratory movement to the beam when...
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WO/1982/003415 |
A lightweight embossing tool for patterning an impressionable surface material comprising a rectangular weight-supporting platform (13) having an upper surface (15) having hollowed out channels (16) an essentially flat bottom (17) and si...
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WO/1982/003234 |
A paving device used to cover the surface of a concrete or asphalt base (100) with a self-curing synthetic molding material (103) containing a binder and an elastic granular aggragate to form a sports field such as a tennis court, or run...
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WO/1982/001904 |
The drum of a vibratory compactor is normally resiliently rotatably mounted on a frame and has an eccentric shaft mounted therein by a pair of longitudinally bearing assemblies. The outer races of the bearing assemblies must be precisely...
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WO/1982/001903 |
In a method of compacting a layer of material a compacting machine with at least one drum is rolled over the layer, whereby the layer is acted on by gravitational force and an oscillating force. The latter is the result of applying a sub...
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WO/1982/000678 |
Stones of concrete consisting of foil bags (2) filled with concrete (1) are arranged in a required mutual relationship, whereafter exposed foil (2') is removed under the action (9) of e.g. heat, radiation, chemicals or the like after har...
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WO/1982/000308 |
Method and means for introducing and mixing fine particulate material into a mixture of particulate material and binder to form a composite product such as asphaltic cement. The invention provides means for mixing the fine particulate ma...
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WO/1982/000309 |
A drive mechanism (10) has a frame (16), a driven member (14) and a first element (20) rotatable relative to the frame (18). A driving element (24) is mounted on and rotatable with the first element (20). Apparatus (34), such as a hydrau...
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WO/1981/002593 |
Control for regulating the direction of the vibrational force in plate vibrators for compacting gravel, sand and similar materials and which are equipped with a vibrating element consisting of two or more contra-rotating eccentric weight...
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WO/1981/002316 |
A small roller (10) attached to a conventional power-driven paving roller (12) or the like is hydraulically positionable to roll a surface outside of the normal rolling track of the power roller (12), such as against a building, high cur...
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WO/1981/001432 |
A method and apparatus for producing and laying a ballasted mat (15) for ground stabilization. Fields of application of the invention include prevention of scour along submarine pipelines (1) shore and river bank protection, prevention o...
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WO/1981/000123 |
An eccentric element for generating oscillations in ground vibrators. The eccentric element comprises an eccentric mass (2) radially movable on a rotatable shaft (1), said mass being enabled to assume a position displaced in relation to ...
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WO/1980/002453 |
In order to obtain a more uniform and reliable product from burner reactors, there is provided a control for the burner (18) which includes, a sensor (10) to continuously monitor a parameter of the product, suitably temperature, a compar...
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WO/1980/001816 |
A process for making asphalt concrete comprises mixing starting materials including aggregate and binder material and optionally, other additives, to a final temperature of about 60 C to about 150 C in an indirectly heated mixing chamber...
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WO/1980/001179 |
Metal wires (14), for example steel wires, of a set length are added to the asphaltic coating (20), either during the manufacturing of the hot mixture, or when setting in place the coating, to increase the resistance to deformation and b...
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WO/1980/000160 |
The compression plate (15) of a finishing machine is hinged at its forward edge (16) to a vibration device (10) actuated by an eccentric (11, 12, 13) and its backward edge (17) is rigidally linked with the base element (3) of a vibration...
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JP2012017560 |
To provide a roller compaction machine in which maintenance and workability are improved using simple structure.The roller compaction machine includes a scraper device 20 for removing deposits on a peripheral surface of a compaction roll...
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JP2012017559 |
To provide a vibratory roller vehicle capable of obtaining enough foot space with simple structure to improve the workability of rolling compaction work.The vibratory roller vehicle includes: a driver bench seat extending in the width di...
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JP2012017605 |
To provide a vibration-roller vehicle with improved maintainability of vibrating and traveling motors of a vibration drum and accessories therefor while keeping strengths allowing support of an axle weight applied to the vibration drum b...
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JP2012017649 |
To surely obtain uniform improved work results by facilitating an operator's work by construction machinery, particularly a road finisher as simple constructional means.A position determined for a driving section 2 by a control system 3 ...
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JP2012012846 |
To provide a heating method and a heating device for an asphalt generating material capable of heating an asphalt generating material efficiently and capable of performing heating treatment appropriately even to the asphalt generating ma...
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