JPH07483Y2 - Road slope shoulder leveling device - Google Patents
Road slope shoulder leveling deviceInfo
- Publication number
- JPH07483Y2 JPH07483Y2 JP1988061690U JP6169088U JPH07483Y2 JP H07483 Y2 JPH07483 Y2 JP H07483Y2 JP 1988061690 U JP1988061690 U JP 1988061690U JP 6169088 U JP6169088 U JP 6169088U JP H07483 Y2 JPH07483 Y2 JP H07483Y2
- Authority
- JP
- Japan
- Prior art keywords
- ground leveling
- slope
- plate
- ground
- leveling
- 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.)
- Expired - Lifetime
Links
Landscapes
- Road Paving Machines (AREA)
Description
【考案の詳細な説明】 従来の技術 本考案は、道路法面路肩整地装置に係り、道路建設や道
路補修等の道路工事において法面及び路肩を整地する装
置に関する。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a road slope shoulder leveling device, and more particularly to a device for leveling a slope and a road shoulder during road construction such as road construction and road repair.
従来の技術 一般に道路の建設や補修の際には所定箇所に盛り土をし
てこれを固めることが行われる。この際道路の上面はロ
ーラ等で固められるが、その両端の路肩及び法面（斜
面）はこのローラ等によっては固められないので、板に
斜めに柄をつけた、いわゆる土羽打ち板を人手で操作し
て固めることが行われることがある。2. Description of the Related Art Generally, when constructing or repairing a road, embankment is applied to a predetermined place to harden it. At this time, the upper surface of the road is hardened by rollers etc., but the shoulders and slopes (slopes) at both ends cannot be hardened by these rollers, so a so-called lumbering board with a diagonal handle attached to the board is manually It may be hardened by operating with.
このような人手による作業は能率的でないので、上記の
法面の叩き動作を機械化した装置も知られている。Since such manual work is not efficient, there is also known a device that mechanizes the above-mentioned beating operation on the slope.
考案が解決しようとする課題 例えば実開昭59−76604号公報には、２双型伝動式道床
用締固め機が記載されているが、これはその第１図から
もわかるように、平面転圧板１及び斜面用転圧板２をゴ
ムベルト６により連結し、それぞれの転圧板に振動モー
タ３、４を直接取り付けたものであるので斜面用転圧板
２は整地面の凹凸により浮動し易く、整地面を上から押
しつけながら振動を与えることができないからその締め
固めが不十分なことがあるのみならず、それぞれの転圧
板の前側縁辺部が平板で形成されているから土等が侵入
したり、その進行も土等に引っ掛って良く行われないと
いう問題がある。Problems to be Solved by the Invention For example, Japanese Utility Model Laid-Open No. 59-76604 discloses a two-twin transmission type compactor for roadbeds, which can be seen from FIG. Since the pressure plate 1 and the sloping compaction plate 2 are connected by the rubber belt 6 and the vibration motors 3 and 4 are directly attached to the respective compaction plates, the slope compaction plate 2 is easily floated due to the unevenness of the sloping ground, Since it is not possible to apply vibration while pressing from above, not only may the compaction be insufficient, but since the front side edge of each rolling plate is formed of a flat plate, soil etc. may enter or There is a problem that the process is not carried out well because it is caught in the soil.
また、実開昭56−77538号公報には、上記転圧板の代わ
りに平板状の振動板をパワーシャベルにより整地面を押
圧しながら振動させる装置が記載されているが、これは
一平面部を整地することができるだけであって、路肩と
法面の両方を同時に整地できるようなものではないのみ
ならず、パワーシャベルは大型装置であるのでこれを搬
入できないような場所に道路を造成する場合等小回りの
きく作業を行うのには適していないという問題がある。Further, Japanese Utility Model Publication No. 56-77538 discloses a device for vibrating a flat diaphragm instead of the rolling plate while pressing a level ground with a power shovel. Not only is it possible to level the ground but not both the shoulders and the slope at the same time.Because the power shovel is a large device, it is necessary to construct a road where it cannot be carried in. There is a problem that it is not suitable for performing a tight work.
本考案の目的は、路肩及び法面を同時に整地でき、しか
もその締め固めを十分に行なえるとともに、人力で容易
に移動させながらその作業を行なえる小回りのきく道路
法面路肩整地装置を提供することにある。An object of the present invention is to provide a narrow turning road slope shoulder leveling device capable of leveling shoulders and slopes at the same time, sufficiently compacting them, and performing the work while being easily moved manually. Especially.
課題を解決するための手段 本考案は、上記の課題を解決するために、機枠に整地板
をその上下左右方向の位置決め機構を介してその取付部
において緩衝自在に設け、該整地板は路肩及び法面に適
合するそれぞれの整地面部をその交叉角度調整自在に有
しかつ該法面に適合する整地面部は補助整地面部を該法
面の幅方向にその長さを調整自在に有しかつ該それぞれ
の整地面部及び該補助整地面部はその前側縁に立上壁を
有し、該整地板に該それぞれの整地面部の振動用の起振
装置を設け、上記機枠に移動用の接地車輪を設けた道路
法面路肩整地装置を提供するものである。Means for Solving the Problems In order to solve the above problems, the present invention provides a leveling plate on a machine frame through a positioning mechanism in the up, down, left and right directions so that the leveling plate can be freely buffered at its mounting portion. And each of the ground leveling parts adapted to the slope has its crossing angle adjustable, and the leveling part compatible with the slope has an auxiliary ground leveling part whose length is adjustable in the width direction of the slope. Each of the ground leveling sections and the auxiliary ground leveling section has a rising wall at a front side edge thereof, the ground leveling plate is provided with an oscillating device for vibrating the each ground leveling section, and the machine frame is provided with a ground wheel for movement. It is intended to provide a road slope shoulder leveling device provided with.
作用 整地板に路肩及び法面に適合するそれぞれの整地面部を
その交叉角度調整自在に設けたので、それぞれの整地面
部を路肩と法面の角度に適合する角度に調整し、その角
度を維持しながら整地することができるため、整地面部
を整地面から浮き上がらないようにすることができ、そ
れだけ土の締め固めを十分に行なうことができる。ま
た、法面に適合する整地面部には補助整地面部をその長
さ調整自在に設けたので、幅が異なる法面にも臨機に対
応できる。また、立上壁をそれぞれの整地面部の前側縁
に設けたので、土の侵入がないとともに「そり」のよう
に作用して整地面部の進行を容易にすることができる。
また、機枠を車輪により容易に移動させることができる
から、その機動性を高めることができる。また、整地板
の位置決めも容易であるから、効率良い整地を行うこと
ができる。また、整地板を緩衝自在に取りつけたので機
枠に伝わる衝撃を和らげることができる。Action Since the ground leveling plate is provided with each ground leveling part that fits the road shoulder and slope so that its crossing angle can be adjusted freely, adjust each ground leveling part to an angle that matches the angle between the road shoulder and the slope, and maintain that angle. Since the ground can be ground while the ground is being leveled, it is possible to prevent the ground leveling portion from being lifted from the ground, and thus the soil can be sufficiently compacted. Further, since the auxiliary ground leveling section is provided in the ground leveling section adapted to the slope so that its length can be freely adjusted, it is possible to flexibly cope with slopes having different widths. Further, since the rising wall is provided on the front side edge of each ground leveling section, there is no intrusion of soil and the ground leveling section can be facilitated by acting like a "sledge".
Further, since the machine frame can be easily moved by the wheels, the maneuverability can be enhanced. Moreover, since the ground leveling plate can be easily positioned, the ground leveling can be efficiently performed. Also, since the leveling plate is attached so as to be freely buffered, the shock transmitted to the machine frame can be softened.
実施例 次に本考案の一実施例を説明する。Embodiment Next, an embodiment of the present invention will be described.
第１図中、１は車輪1a、１′ａを有し、手押し部1bを有
する機枠であり、この機枠１には第２図に示すように原
動機1cからベルト1eを介して動力を伝達される減速器1f
が内蔵されている。In FIG. 1, reference numeral 1 denotes a machine frame having wheels 1a and 1'a and a hand pushing portion 1b. Power is supplied to the machine frame 1 from a prime mover 1c via a belt 1e as shown in FIG. Reducer transmitted 1f
Is built in.
２は整地板である。この整地板は第１図、第３図及び第
４図に示すように、上記減速器からフレキシブルシャフ
ト1gにより作動される主起振装置3a（偏心体が回転する
如きもの）を取付けた被振動板2aと基板４との間に４本
の防振ゴムからなる柱状体4a、4c、4d（図示省略）が取
付け固定され、基板４にはシャフト4eが固着され、その
両端が吊持片4fに回動自在に指示されている。吊持片4f
に突設された吊持片突片4e−１と基板４に突設された基
板突片4gの間にはねじ杆4hが設けられ、ねじ杆4hは吊持
片突片4e−１に螺合されて進退自在に形成され、その先
端で基板突片4gを押圧し、基板４を回動角度調整自在に
している。また、4iは廻り止めボルトで吊持片突片4e−
１に挿入され、さらに基板突片4gの長孔4g−１に挿入さ
れ、その先端にナット４′ｉが螺合されて基板突片4gの
下方への回動が阻止され、ねじ杆4hによる上方への回動
の阻止とともに基板の回動を阻止している。2 is a leveling plate. As shown in FIGS. 1, 3 and 4, this ground leveling plate is vibrated with a main vibration generator 3a (such as an eccentric rotating) operated by the flexible shaft 1g from the speed reducer. Four columnar bodies 4a, 4c, 4d (not shown) made of anti-vibration rubber are attached and fixed between the plate 2a and the substrate 4, a shaft 4e is fixed to the substrate 4, and both ends of the shaft 4e are suspended. It is instructed to rotate freely. Hanging piece 4f
A screw rod 4h is provided between the hanging piece protrusion 4e-1 projecting on the board 4 and the substrate projecting piece 4g projecting on the board 4, and the screw rod 4h is screwed onto the hanging piece projecting piece 4e-1. It is formed so that it can move back and forth together, and the substrate 4 is pressed by its tip to make the rotation angle of the substrate 4 adjustable. In addition, 4i is a non-rotating bolt that suspends the protruding piece 4e-
1 and further inserted into the long hole 4g-1 of the board projecting piece 4g, and the nut 4'i is screwed into the tip of the board projecting piece 4g to prevent the board projecting piece 4g from rotating downward, and by the screw rod 4h. The rotation of the substrate is prevented together with the prevention of the upward rotation.
上記基板突片4gにはさらに垂下片4g−２が一体に形成さ
れ、これと上記被振動板2aとの間に防振ゴムからなるブ
レ緩衝部材4jが設けられているとともに、被振動板2aに
突設された被振動板突片2a−１と垂下片4g−２の間にも
同様の材料からなるブレ緩衝部材4kが設けられ、さらに
上記主起振装置3aにも同様の材料からなるストッパーの
緩衝部材4mが設けられ、それぞれの方向のプレが緩衝さ
れるとともに、主起振装置3aの基板に対する衝撃を緩和
している。Further, a drooping piece 4g-2 is integrally formed on the board projecting piece 4g, and a vibration damping member 4j made of a vibration-proof rubber is provided between the hanging piece 4g-2 and the vibrating board 2a. The vibration damping member 4k made of the same material is also provided between the vibrating plate projecting piece 2a-1 and the hanging piece 4g-2, and the main vibrating device 3a is also made of the same material. A buffer member 4m for a stopper is provided to buffer the pres in each direction and to reduce the impact of the main vibration device 3a on the substrate.
なお、上記防振ゴムとしては例えば株式会社ブリジスト
ン製のカタログVO13に記載されている緩衝ゴムが使用で
き、これらは例えばモータやエンジンの振動抑制用に使
用されている。As the anti-vibration rubber, for example, a cushioning rubber described in Catalog VO13 manufactured by Bridgestone Co., Ltd. can be used, and these are used for suppressing vibration of a motor or an engine, for example.
２′は整地面部である。2bは上記被振動板2aにボルト2b
−１、2b−２で取付けられる被取付板で、前法の壁を高
く後方の壁を低くしたチャンネル状に形成され、前方の
壁には円弧状長孔2c、2dが形成されている。これらの円
弧状長孔により、被取付板2bと同様のチャンネル状に形
成され被取付板2b下面にヒンジで回動自在に取付けられ
た一方の整地面本体2e及び他方の整地面本体2fとがそれ
ぞれ位置決めボルト及びナット2g、2hにより回動角度調
整自在に位置決めができるようになっている。2'is a ground leveling section. 2b is a bolt 2b on the vibrating plate 2a
In the plate to be attached by -1, 2b-2, it is formed in a channel shape in which the wall of the previous method is high and the wall of the rear side is low, and arc-shaped elongated holes 2c, 2d are formed in the front wall. By these arc-shaped elongated holes, one ground leveling body 2e and the other ground leveling body 2f, which are formed in the same channel shape as the mounted plate 2b and are rotatably attached to the lower surface of the mounted plate 2b by a hinge, are provided. The positioning bolts and nuts 2g and 2h can be used to adjust the turning angle.
上記整地板本体2e、2fには前方の壁面及び整地面の前側
部分に砕土突片を多数間隔を置いて設け、土を細かく砕
くようにしても良い。これら砕土突片はその両端がナイ
フのように鋭く形成され、その中間も刃のように鋭く形
成されている。The ground leveling plate main bodies 2e and 2f may be provided with a large number of crushed soil projecting pieces on the front wall surface and the front side portion of the ground leveling ground so as to crush the soil finely. Both ends of these crushed soil projecting pieces are sharply formed like a knife, and the middle thereof is also sharply formed like a blade.
2jは補助整地面板で、上記整地面本体2aと同様のチャン
ネル状に形成され、その両壁に取付け長孔2j−１、2j−
２が設けられ、ボルトとナット2k、2mにより位置調整自
在に整地板本体2eに取付けられるようになっている。こ
の補助整地面板には上記起振装置と同様にフレキシブル
シャフト３′ｂにより作動される副起振装置3bを設けて
も良い。2j is an auxiliary ground leveling plate, which is formed in the same channel shape as the above-mentioned ground leveling body 2a, and has long slots 2j-1, 2j- for mounting on both walls thereof.
2 is provided, and the position can be freely adjusted by bolts and nuts 2k and 2m to be attached to the ground plate main body 2e. The auxiliary ground leveling plate may be provided with a sub-vibration device 3b which is actuated by the flexible shaft 3'b like the above-mentioned vibration generator.
上記整地面本体、補助整地面板は高張力鋼板、繊維強化
プラスチック、ステンレス等の材料から作ると、軽量で
丈夫になるので好ましい。この際薄板鋼板のように多少
の変形可能なものを用い、盛り土の具体的状態に適応す
るようにしても良い。It is preferable that the ground leveling main body and the auxiliary ground leveling plate are made of a material such as high-tensile steel plate, fiber reinforced plastic, and stainless steel because they are lightweight and durable. At this time, a slightly deformable material such as a thin steel plate may be used to adapt to the specific state of the embankment.
上記吊持片4fは支持杆５に取付けられ、この支持杆５は
アーム６に固着され、このアームはスライダ７に固着さ
れている。このスライダ７は取付板８に固定された固定
軸９、９′に移動自在に嵌合され、その中央にねじ孔が
設けられてこれにねじ杆10が螺合され、このねじ杆は支
持板11に支持されてその先端にハンドル12が設けられて
いる。そしてこのハンドルを操作してスライダ７を上下
動できるようになっている。なお、スライダ７には上記
固定軸９、９′の嵌合孔にスリ割が設けられ、これがボ
ルトとナットにより開閉され、このスライダがこれらの
固定軸に締めつけ固定されたり、これが解かれてその移
動ができるようになっている。The suspension piece 4f is attached to a support rod 5, the support rod 5 is fixed to an arm 6, and the arm is fixed to a slider 7. The slider 7 is movably fitted to fixed shafts 9 and 9'fixed to a mounting plate 8, a screw hole is provided at the center thereof, and a screw rod 10 is screwed into the screw hole. A handle 12 is supported by 11 and is provided at its tip. The slider 7 can be moved up and down by operating this handle. The slider 7 is provided with slits in the fitting holes of the fixed shafts 9 and 9 ', which are opened and closed by bolts and nuts, and the slider is tightened and fixed to these fixed shafts, or when the slider is unfastened. It can be moved.
13は上記取付板８を取付け、水平方向移動可能に設けら
れた水平位置調整板、14は接地して走行する上下位置調
整自在の尾輪である。Reference numeral 13 is a horizontal position adjusting plate to which the above-mentioned mounting plate 8 is attached and which is provided so as to be movable in the horizontal direction, and 14 is a tail wheel which can be moved up and down to adjust its vertical position.
次に本実施例の第１図ないし第４図に示す装置の使用法
を説明する。Next, a method of using the apparatus shown in FIGS. 1 to 4 of this embodiment will be described.
まず、第３図に示すように接地板２を組立てて、第１図
に示すように道路法面に位置させてから整地板２を動作
させる。そして、図示省略したが、例えば機枠１前方に
ホッパを設けてこれに溜めた土を道路法面及び路肩に順
次落としながら、整地板２の整地面本体（補助整地面板
で振動を与え、締め固める。この際、ねじ杆4hにより基
板４を回動して土が整地面本体2e、2fに侵入し、溢れる
ことがないようにその角度を調整し、その調整位置を廻
り止めボルト4iとナット４′ｉで固定する。First, the grounding plate 2 is assembled as shown in FIG. 3, and is positioned on the road slope as shown in FIG. 1, and then the leveling plate 2 is operated. Although not shown in the drawings, for example, a hopper is provided in front of the machine frame 1 and soil accumulated in the hopper is sequentially dropped onto the road slope and the road shoulder, while the ground leveling body of the ground leveling plate 2 (the auxiliary ground leveling plate vibrates and tightens). At this time, the board 4 is rotated by the screw rod 4h to adjust the angle so that the soil does not invade the ground leveling bodies 2e and 2f and overflow, and the adjusted position is adjusted to the rotation-preventing bolt 4i and the nut. Fix with 4'i.
このようにして整地作業が行われるが、整地板の砕土突
片により土は細かく砕かれて振動されるのでその締め固
めを効果的に行える。この際防振ゴムからなる柱状体、
緩衝材により振動方向以外のブレが抑制される。Although the soil leveling work is performed in this manner, the soil is finely crushed and vibrated by the crushed soil projecting pieces of the ground leveling plate, so that compaction can be effectively performed. At this time, a columnar body made of anti-vibration rubber,
The cushioning material suppresses blurring in directions other than the vibration direction.
なお、整地板本体2e、2fの角度は道路法面及び路肩の形
状に合わせ適宜変えることができ、整地面本体2e、2fを
一平面状に伸展させて法面のみを叩くこともできる。The angles of the ground leveling plate bodies 2e and 2f can be appropriately changed according to the shapes of the road slope and the shoulder, and the ground leveling body bodies 2e and 2f can be extended in one plane to strike only the slope.
考案の効果 本考案によれば、整地面部を路肩と法面の具体的角度に
調整し、その角度を維持しながら整地できるので、十分
に締め固めた整地をすることができ、丈夫な路肩及び法
面を作ることができる。しかも法面に適合する整地面部
には補助整地面部を設け、その長さを調整できるように
したので、幅が異なる法面もその全幅を限無く整地する
ことができる。また、立上壁を設けたので土の侵入がな
く、整地されようとする土を無駄にすることなく作業を
奇麗に行うことができるのみならず、立上壁は「そり」
のような役目をして整地板の進行を容易にすることがで
きる。また、整地面部を有する整地板の位置決めも容易
であるから、品質の良い路肩を効率良く作ることができ
る。さらに機枠は移動容易であるから、その機動性を発
揮し、整地しようとする路肩及び法面の具体的状況に応
じて臨機迅速に作業を行うことができる。このように機
枠は移動容易であり、起振装置その他の部材も小型化で
きるから、装置全体も人力で扱える小型化ができ、小回
りのきく道路法面路肩整地装置を提供することができ
る。Effect of the Invention According to the present invention, the ground leveling section can be adjusted to a specific angle between the shoulder and the slope, and the ground leveling can be performed while maintaining that angle. You can make a slope. Moreover, since the auxiliary ground leveling section is provided on the ground leveling section adapted to the slope and the length thereof can be adjusted, the entire width of the slope having different widths can be leveled without limitation. In addition, since the rising wall is provided, there is no intrusion of soil and not only can the work be done neatly without wasting the soil that is about to be leveled, but the rising wall also has a "sled"
It is possible to facilitate the progress of the ground leveling plate by performing such a role. Further, since it is easy to position the ground leveling plate having the ground leveling portion, it is possible to efficiently make a high-quality road shoulder. Further, since the machine frame is easy to move, the maneuverability of the machine frame is exerted, and the work can be performed promptly according to the specific situation of the road shoulder and the slope to be grounded. In this way, the machine frame can be easily moved, and the vibration oscillating device and other members can be downsized, so that the entire device can be downsized by manpower, and a narrow road curb slope leveling device can be provided.
第１図は本考案の一実施例の装置の使用状態の後方から
みた斜視図、第２図はその動作機構を示す図、第３図は
整地板部を示す拡大斜視図、第４図はその分解斜視図で
ある。 図中、１は機枠、２は整地板、２′は整地面部である。FIG. 1 is a perspective view of an apparatus according to an embodiment of the present invention as seen from the rear side in use, FIG. 2 is a view showing its operating mechanism, FIG. 3 is an enlarged perspective view showing a leveling plate portion, and FIG. It is the exploded perspective view. In the figure, 1 is a machine frame, 2 is a leveling plate, and 2'is a leveling part.
Claims (1)
め機構を介してその取付部において緩衝自在に設け、該
整地板は路肩及び法面に適合するそれぞれの整地面部を
その交叉角度調整自在に有しかつ該法面に適合する整地
面部は補助整地面部を該法面の幅方向にその長さを調整
自在に有しかつ該それぞれの整地面部及び該補助整地面
部はその前側縁に立上壁を有し、該整地板に起振装置を
設け、該機枠に移動用の接地車輪を設けた道路法面路肩
整地装置。1. A ground leveling plate is provided on a machine frame so as to be freely bufferable at its mounting portion through its vertical and horizontal positioning mechanism, and the ground leveling plate adjusts the crossing angle of each ground leveling part that conforms to a road shoulder and a slope. The ground leveling section which is freely provided and conforms to the slope has an auxiliary ground leveling section whose length is adjustable in the width direction of the slope, and the respective ground leveling section and the auxiliary ground leveling section are provided at the front edge thereof. A road slope shoulder leveling device having a standing wall, a grounding plate provided with a vibrating device, and a grounding wheel for movement provided on the machine frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988061690U JPH07483Y2 (en) | 1988-05-12 | 1988-05-12 | Road slope shoulder leveling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988061690U JPH07483Y2 (en) | 1988-05-12 | 1988-05-12 | Road slope shoulder leveling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01167409U JPH01167409U (en) | 1989-11-24 |
| JPH07483Y2 true JPH07483Y2 (en) | 1995-01-11 |
Family
ID=31287342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988061690U Expired - Lifetime JPH07483Y2 (en) | 1988-05-12 | 1988-05-12 | Road slope shoulder leveling device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07483Y2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4992575B2 (en) * | 2006-11-29 | 2012-08-08 | 株式会社大林組 | Plate type vibration compaction machine and compaction method using this plate type vibration compaction machine |
| JP5512438B2 (en) * | 2010-07-21 | 2014-06-04 | 大成建設株式会社 | Law shoulder tightness management device |
| JP6139220B2 (en) * | 2013-04-01 | 2017-05-31 | 大成建設株式会社 | Compaction device |
| JP7022717B2 (en) * | 2019-05-23 | 2022-02-18 | 大成ロテック株式会社 | Movable taper device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5677538U (en) * | 1979-11-22 | 1981-06-24 | ||
| JPS5935411U (en) * | 1982-08-28 | 1984-03-05 | 株式会社豊田自動織機製作所 | Vibration device for hydraulic telescoping screed in asphalt finishing |
| JPS5976604U (en) * | 1982-11-12 | 1984-05-24 | 北海道軌道施設工業株式会社 | Two-sided electric roadbed compaction machine |
| JPS60203704A (en) * | 1984-03-26 | 1985-10-15 | 株式会社新潟鐵工所 | Pavement of road surface |
-
1988
- 1988-05-12 JP JP1988061690U patent/JPH07483Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01167409U (en) | 1989-11-24 |
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