EP0036465A1 - Selbstbewegende Vorrichtung zum Erstellen einer Wegdecke durch Aufbringen eines Zuschläge-Bindemittel-Gemisches - Google Patents

Selbstbewegende Vorrichtung zum Erstellen einer Wegdecke durch Aufbringen eines Zuschläge-Bindemittel-Gemisches Download PDF

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Publication number
EP0036465A1
EP0036465A1 EP80420056A EP80420056A EP0036465A1 EP 0036465 A1 EP0036465 A1 EP 0036465A1 EP 80420056 A EP80420056 A EP 80420056A EP 80420056 A EP80420056 A EP 80420056A EP 0036465 A1 EP0036465 A1 EP 0036465A1
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EP
European Patent Office
Prior art keywords
transverse
machine
hedgehog
machine according
vertical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP80420056A
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English (en)
French (fr)
Inventor
Lucien Jerez
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
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Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0036465A1 publication Critical patent/EP0036465A1/de
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
    • E01C19/42—Machines for imparting a smooth finish to freshly-laid paving courses other than by rolling, tamping or vibrating
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
    • E01C19/18—Devices for distributing road-metals mixed with binders, e.g. cement, bitumen, without consolidating or ironing effect
    • E01C19/182—Devices for distributing road-metals mixed with binders, e.g. cement, bitumen, without consolidating or ironing effect solely for depositing
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
    • E01C19/23—Rollers therefor; Such rollers usable also for compacting soil
    • E01C19/26—Rollers therefor; Such rollers usable also for compacting soil self-propelled or fitted to road vehicles
    • E01C19/266—Rollers therefor; Such rollers usable also for compacting soil self-propelled or fitted to road vehicles fitted to vehicles, road-construction or earth-moving machinery, e.g. auxiliary roll readily movable to operative position ; provided with means for facilitating transport; Means for transporting rollers; Arrangements or attachments for converting vehicles into rollers, e.g. rolling sleeves for wheels
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
    • E01C19/30—Tamping or vibrating apparatus other than rollers ; Devices for ramming individual paving elements
    • E01C19/34—Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight
    • E01C19/40—Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight adapted to impart a smooth finish to the paving, e.g. tamping or vibrating finishers
    • E01C19/405—Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight adapted to impart a smooth finish to the paving, e.g. tamping or vibrating finishers with spreading-out, levelling or smoothing means other than the tamping or vibrating means for compacting or smoothing, e.g. with screws for spreading-out the previously dumped material, with non-vibratory lengthwise reciprocated smoothing beam
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
    • E01C19/4833—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ with tamping or vibrating means for consolidating or finishing, e.g. immersed vibrators, with or without non-vibratory or non-percussive pressing or smoothing means
    • E01C19/4853—Apparatus designed for railless operation, e.g. crawler-mounted, provided with portable trackway arrangements
    • E01C19/486—Apparatus designed for railless operation, e.g. crawler-mounted, provided with portable trackway arrangements with non-vibratory or non-percussive pressing or smoothing means; with supplemental elements penetrating the paving to work the material thereof
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/14—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces for heating or drying foundation, paving, or materials thereon, e.g. paint
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00—Coherent pavings made in situ
    • E01C7/08—Coherent pavings made in situ made of road-metal and binders
    • E01C7/35—Toppings or surface dressings; Methods of mixing, impregnating, or spreading them
    • E01C7/353—Toppings or surface dressings; Methods of mixing, impregnating, or spreading them with exclusively bituminous binders; Aggregate, fillers or other additives for application on or in the surface of toppings with exclusively bituminous binders, e.g. for roughening or clearing
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C2301/00—Machine characteristics, parts or accessories not otherwise provided for
    • E01C2301/10—Heated screeds

Definitions

  • the present invention relates to a self-propelled machine for spreading agglomerates, and other road surfaces.
  • the object of the invention is to produce a self-propelled machine capable, in a single pass, of producing a road surface ready for use.
  • the object of the invention is to produce a self-propelled machine capable of carrying out alone not only the actual spreading of the coating materials, but also the smoothing and finishing of the coating.
  • the various mobile members of the machine are provided with electric drive motors supplied with electricity from a generator group mounted at the front of the drive wheels, the center of gravity of the 'machine being located at the front of these drive wheels.
  • the operator's station is located at its front end, and is provided with a steering wheel connected by means of a steering column to a toothed pinion in engagement with a toothed wheel of a yoke with a vertical axis of rotation in which the transverse rolling roller is mounted to rotate freely.
  • a flow adjustment flap is placed inside the corridor connecting the lower orifice for leaving the hopper to the upper orifice for feeding the hedgehog carrier housing.
  • the same electric motor drives on the one hand a drive shaft secured to a first worm for driving the push screw and a second worm for driving the hedgehog, and on the other hand a reduction gear for driving the driving wheels.
  • the transverse smoothing rule is set in motion using a drive shaft secured to an eccentric trapped in a vertical slot hollowed out in this rule.
  • the transverse smoothing rule is telescopic, and comprises two half-rules attached one behind the other, the lower edges laughers are in the same substantially horizontal plane, and fixed to each other by means of bolts engaged in longitudinal slots of these half-rules.
  • the lady is actuated using a transverse horizontal shaft which carries at each end a cam placed above a vertical piston pinched between the active surface of the cam and the upper end of a vertical slide integral with the lady, each slide being surrounded by a helical spring constantly compressed between a shoulder provided at the upper end of the corresponding slide and a fixed surface of the chassis of the machine.
  • the heating ramp is constituted by an infrared ramp supplied either with gas or with electricity.
  • the various moving parts of this machine are fitted with electric drive motors. These engines are supplied with electricity from a generator 8 mounted on the part of the chassis 3 located at the front of the drive wheels 2. Since such a generator set is relatively heavy, it can be seen that the center of gravity of the machine is located at the front of the drive wheels 2, which is essential for the roller 1 is permanently worn on the ground, even outside the periods of use of the jack 6. If necessary, the front part of the chassis 3 can be provided with a counterweight 9.
  • the cockpit 10 of the machine is placed at the front end of the latter, and is provided with an electronic control cabinet 11 as well as a steering wheel 12.
  • the latter is connected via from a vertical steering column 13 to a toothed pinion 14 engaged with a toothed wheel 15 secured to a yoke 16 (fig 4).
  • the transverse roller 1 is mounted to rotate freely in the yoke 16, while a pivot 17 oriented orthogonally to the axis of the transverse roller 1 and to the vertical axis of rotation 18 of the yoke 16 gives the roller 1 a degree of additional freedom.
  • the drive wheels 2 have at their periphery a rubberized tire 19, and are both integral with the same drive shaft 20.
  • the agglomerate distribution device 4 comprises a hopper 21 which constitutes the agglomerate reserve, and whose vertical geometric axis 22 is located in the same transverse vertical plane as the axis of the driving wheels 2, while being fairly strongly off-center with respect to the vertical median plane of the machine, as can be seen in Figures 2 and 5.
  • a push screw 23 coaxial with the hopper 21 extends in the central part of the latter by continuously turning on itself in the direction which allows the forced entrainment downwards of the agglomerate particles which the hopper contains 21, in the direction of a lower outlet orifice 24.
  • the housing 28 contains a hedgehog 29 comprising semi-rigid strands 30 integral with a horizontal drive shaft 31 which extends transversely relative to the machine, over the entire width of the machine.
  • the shaft 31 is integral with a toothed drive wheel 32.
  • the semi-rigid strands 30 are arranged so that each lateral half of the hedgehog fits into a frustoconical volume which tapers towards the corresponding edge of the machine.
  • a horizontal and transverse distribution spout with adjustable orientation 33 which extends over the entire width of the machine, is mounted on the lower outlet orifice of the hedgehog carrier housing 28.
  • the wheel drive drive is achieved using a toothed belt 35 ensuring the transmission of movement between a pulley 36 wedged on the output shaft 37 of the motor 34 and a receiving pulley 38 which drives the shaft 20 by means of a wheel and worm gear reducer 39.
  • a worm 40 directly wedged on the output shaft 37 of the motor 34 at the rear of the pulley 36, meshes with a toothed wheel 41 secured to the push screw 23 , to train the latter.
  • an endless screw 42 wedged on the rear end of the output shaft 37 of the motor 34 meshes with the toothed wheel 32 of the shaft 31 to rotate the hedgehog 29.
  • the output shaft 37 of the motor 34 rotates at approximately 3000 revolutions per minute, the generator 8 delivering an alternating current with a nominal value of 220 volts.
  • Rule 5 which is telescopic, comprises two half-rules 5a and 5b (fig 6) which are joined one behind the other, and whose lower edges are in the same substantially horizontal plane. These two half-rules are fixed to one another by means of bolts 43 engaged in longitudinal slots 44 of the half-rules.
  • a gear motor 45 whose output shaft 46 is secured to an eccentric 47 trapped in a vertical slot 48 hollowed out in the rule 5 drives the latter with an alternating movement of the slide lying, parallel to itself. You can adjust the assembly so that the ruler performs, for example, around 200 round trips per minute.
  • Lady 6 is integral with two vertical and cylindrical slides 49 (fig 7) mounted to slide each in a lateral support 50 of the chassis 3.
  • Each slide 49 is surrounded by a helical spring 51 constantly compressed between the lower cover 52 of the corresponding support 50 and a shoulder 53 provided at the upper end of this slide.
  • On each side there is a vertical piston 54 pinched between the upper end of the corresponding slide 49 and a cam 55.
  • the two cams 55 are carried by the opposite ends of a horizontal and transverse shaft 56.
  • the setting in motion of the lady is ensured using an electric motor 57, via a wheel and worm gear reducer 58 and a transmission belt 59 which is wound between a pulley 60 wedged on the shaft output of the reducer 58 and a receiving pulley 61 wedged on the shaft 56.
  • the assembly can be adjusted so that the lady strikes, for example, about 25 strokes per minute on the ground.
  • the heating ramp 7 is an infrared ramp which operates either with electricity or with gas.
  • This machine which can advantageously be used for spreading agglomerates on narrow roads, for example on sidewalks, has the advantage of being usable on the whole of its width, since the active parts of the distribution device 4, of the rule 5, of the jack 6 and of the heating ramp 7 extend practically over the entire overall width of the machine. This feature allows for spreading by leveling the edge of walls, the edge of sidewalks, or generally the edge of any fixed lateral structure.
  • an additional heating ramp 65 can be placed at the front of the roller 1 (FIG. 5).
  • this additional ramp 65 makes it possible to soften this coating before the passage of the roller 1, on the one hand to level this coating , and on the other hand to allow good bonding of the agglomerates.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Machines (AREA)
EP80420056A 1980-03-14 1980-05-08 Selbstbewegende Vorrichtung zum Erstellen einer Wegdecke durch Aufbringen eines Zuschläge-Bindemittel-Gemisches Withdrawn EP0036465A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8006081A FR2478156A1 (fr) 1980-03-14 1980-03-14 Engin automoteur pour l'epandage d'agglomeres, et autres revetements routiers
FR8006081 1980-03-14

Publications (1)

Publication Number Publication Date
EP0036465A1 true EP0036465A1 (de) 1981-09-30

Family

ID=9239814

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80420056A Withdrawn EP0036465A1 (de) 1980-03-14 1980-05-08 Selbstbewegende Vorrichtung zum Erstellen einer Wegdecke durch Aufbringen eines Zuschläge-Bindemittel-Gemisches

Country Status (2)

Country Link
EP (1) EP0036465A1 (de)
FR (1) FR2478156A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109371787A (zh) * 2018-11-08 2019-02-22 张程博 一种道路建设用混凝土摊铺装置
CN112853875A (zh) * 2021-01-11 2021-05-28 云南途睿建设工程有限公司 一种用于市政工程的沥青道路摊平装置
CN113585017A (zh) * 2021-08-25 2021-11-02 中冶南方城市建设工程技术有限公司 道路水泥混凝土布料振捣摊铺一体化设备及其使用方法

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CN107503272A (zh) * 2017-07-31 2017-12-22 南丹县交通运输局 养护剂撒布机
CN108360335B (zh) * 2018-02-28 2020-03-06 中国科学院寒区旱区环境与工程研究所 砾石铺设车
CN109457583A (zh) * 2018-12-21 2019-03-12 合肥佳恩特机械制造有限公司 一种可拆卸式摊铺机熨平板
CN111021196A (zh) * 2019-11-19 2020-04-17 殷哲 一种公路路面沥青平整装置
CN114635331A (zh) * 2022-02-26 2022-06-17 杭州浩洋体育设施工程有限公司 一种平摊均匀的塑胶摊铺机

Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR410944A (fr) * 1909-11-18 1910-06-02 James F Driscoll Réchauffeur d'asphalte
FR649643A (fr) * 1928-02-24 1928-12-26 Appareil pour la construction et l'entretien des routes
DE609167C (de) * 1931-03-27 1935-02-08 Bataafsche Petroleum Fahrbare Vorrichtung zum Auftragen eines bituminoesen Belages, insbesondere auf Kanalboeschungen
FR778448A (de) * 1935-03-14
GB558175A (en) * 1942-09-15 1943-12-23 Neuchatel Asphalte Company Ltd Improved method of and apparatus for providing layers of mastic upon surfaces to be covered
DE845350C (de) * 1950-10-20 1952-07-31 Richard Muehlhaeuser Verteiler- und Verdichtergeraet fuer Strassendecken aus Beton oder bituminoesen Stoffen
FR1125905A (fr) * 1950-05-02 1956-11-12 Alfelder Eisenwerk Appareil mobile utilisable notamment pour l'épandage de matériaux bitumineux destinés à la construction des routes
US2864452A (en) * 1956-11-05 1958-12-16 Guntert & Zimmerman Const Div Supporting and level control mechanism for concrete slab laying machines
US3161116A (en) * 1960-04-22 1964-12-15 Curbmaster Of America Inc Curb molding and shaping apparatus
US3301151A (en) * 1964-12-28 1967-01-31 Hanson Co R A Concrete distributor
FR1482085A (fr) * 1966-03-25 1967-05-26 Entpr S Devars Naudo & Cie Machine pour couler des dalles en agglomérés divers, par exemple en béton
FR1509347A (fr) * 1966-01-19 1968-01-12 Shell Int Research Appareil et procédé pour la préparation d'un mortier contenant une résine synthétique thermodurcissable et une charge minérale
US3453988A (en) * 1967-10-09 1969-07-08 Shell Oil Co Portable flooring spreader
CH498981A (de) * 1968-06-01 1970-11-15 Voegele Ag J Auf Raupen oder Rädern fahrender Strassendeckenfertiger
US3541932A (en) * 1967-12-18 1970-11-24 Pape Bros Inc Auger type aggregate spreader
DE2027297A1 (de) * 1970-06-03 1971-12-16 Deutsche Asphalt GmbH, 6000 Frank fürt Gußasphalt Einbauvorrichtung
FR2246693A1 (en) * 1973-10-05 1975-05-02 Tarmac Roadstone Holdings Ltd Roughened road surface contains thermoplastic granules - heat aggregated with chippings to give improved grip for motor vehicles

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR778448A (de) * 1935-03-14
FR410944A (fr) * 1909-11-18 1910-06-02 James F Driscoll Réchauffeur d'asphalte
FR649643A (fr) * 1928-02-24 1928-12-26 Appareil pour la construction et l'entretien des routes
DE609167C (de) * 1931-03-27 1935-02-08 Bataafsche Petroleum Fahrbare Vorrichtung zum Auftragen eines bituminoesen Belages, insbesondere auf Kanalboeschungen
GB558175A (en) * 1942-09-15 1943-12-23 Neuchatel Asphalte Company Ltd Improved method of and apparatus for providing layers of mastic upon surfaces to be covered
FR1125905A (fr) * 1950-05-02 1956-11-12 Alfelder Eisenwerk Appareil mobile utilisable notamment pour l'épandage de matériaux bitumineux destinés à la construction des routes
DE845350C (de) * 1950-10-20 1952-07-31 Richard Muehlhaeuser Verteiler- und Verdichtergeraet fuer Strassendecken aus Beton oder bituminoesen Stoffen
US2864452A (en) * 1956-11-05 1958-12-16 Guntert & Zimmerman Const Div Supporting and level control mechanism for concrete slab laying machines
US3161116A (en) * 1960-04-22 1964-12-15 Curbmaster Of America Inc Curb molding and shaping apparatus
US3301151A (en) * 1964-12-28 1967-01-31 Hanson Co R A Concrete distributor
FR1509347A (fr) * 1966-01-19 1968-01-12 Shell Int Research Appareil et procédé pour la préparation d'un mortier contenant une résine synthétique thermodurcissable et une charge minérale
FR1482085A (fr) * 1966-03-25 1967-05-26 Entpr S Devars Naudo & Cie Machine pour couler des dalles en agglomérés divers, par exemple en béton
US3453988A (en) * 1967-10-09 1969-07-08 Shell Oil Co Portable flooring spreader
US3541932A (en) * 1967-12-18 1970-11-24 Pape Bros Inc Auger type aggregate spreader
CH498981A (de) * 1968-06-01 1970-11-15 Voegele Ag J Auf Raupen oder Rädern fahrender Strassendeckenfertiger
DE2027297A1 (de) * 1970-06-03 1971-12-16 Deutsche Asphalt GmbH, 6000 Frank fürt Gußasphalt Einbauvorrichtung
FR2246693A1 (en) * 1973-10-05 1975-05-02 Tarmac Roadstone Holdings Ltd Roughened road surface contains thermoplastic granules - heat aggregated with chippings to give improved grip for motor vehicles

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109371787A (zh) * 2018-11-08 2019-02-22 张程博 一种道路建设用混凝土摊铺装置
CN112853875A (zh) * 2021-01-11 2021-05-28 云南途睿建设工程有限公司 一种用于市政工程的沥青道路摊平装置
CN112853875B (zh) * 2021-01-11 2022-05-03 云南途睿建设工程有限公司 一种用于市政工程的沥青道路摊平装置
CN113585017A (zh) * 2021-08-25 2021-11-02 中冶南方城市建设工程技术有限公司 道路水泥混凝土布料振捣摊铺一体化设备及其使用方法

Also Published As

Publication number Publication date
FR2478156A1 (fr) 1981-09-18
FR2478156B1 (de) 1983-05-20

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