JPH01198905A - Paving method around road accupant and induction heater for it in use for execution of this method as well as paving material therewith - Google Patents
Paving method around road accupant and induction heater for it in use for execution of this method as well as paving material therewithInfo
- Publication number
- JPH01198905A JPH01198905A JP63021104A JP2110488A JPH01198905A JP H01198905 A JPH01198905 A JP H01198905A JP 63021104 A JP63021104 A JP 63021104A JP 2110488 A JP2110488 A JP 2110488A JP H01198905 A JPH01198905 A JP H01198905A
- Authority
- JP
- Japan
- Prior art keywords
- road
- paving
- paving material
- electromagnetic induction
- induction coil
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 title claims abstract description 57
- 230000006698 induction Effects 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 24
- 230000004907 flux Effects 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000010426 asphalt Substances 0.000 claims description 8
- 241000272814 Anser sp. Species 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 abstract description 2
- 230000003750 conditioning effect Effects 0.000 abstract 1
- 239000011347 resin Substances 0.000 description 8
- 229920005989 resin Polymers 0.000 description 8
- 238000005056 compaction Methods 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Road Paving Machines (AREA)
- Road Repair (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Road Paving Structures (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、道路に据え付けられたマンホール枠（ハンド
ホール枠、消火栓室その他のバルブ室等の概念を含む）
その他の道路占用物の周囲にアスファルトその他の舗装
材を舗設するに際して有用な道路占用物周囲の舗設工法
並びにその舗設工法の実施に使用する道路占用物の誘導
加熱装置及び舗装材付き道路占用物に間する。Detailed Description of the Invention (Industrial Application Field) The present invention relates to manhole frames installed on roads (including concepts such as handhole frames, fire hydrant rooms, and other valve rooms).
A method of paving around other road-use objects that is useful when paving asphalt or other paving materials around other road-use objects, an induction heating device for road-use objects used in the implementation of the paving method, and a road-use object with paving materials. Pause.
（従来の技術）
マンホール枠等の道路占用物周囲に舗装材を舗設するに
際して、従来は、道路占用物外側面と既設舗装断面との
空隙内に加熱舗装材を敷きならし、転圧による締め固め
を行なっでいる。(Conventional technology) When paving material is laid around road-occupied objects such as manhole frames, conventionally, heated paving material is laid in the gap between the outer surface of the road-occupied object and the cross section of the existing pavement, and then tightened by compaction. It is being solidified.
しかし、上記の従来工法では、加熱舗装材がその敷きな
らし後に急激な温度降下を生しるために転圧作業に千問
取ると十分な締め固めを行なうことかできす、舗装部分
に密度の低下や空隙の発生を招くと共に耐用年数を減少
させるという問題があり、特に寒冷期に、或は寒冷地で
その傾向が著しかった。However, in the conventional method described above, the heated paving material causes a rapid temperature drop after it is laid, so it is difficult to achieve sufficient compaction when the compaction work is carried out, and the density of the paved area is reduced. There is a problem that this leads to a decrease in the temperature and the generation of voids, as well as a decrease in the service life, and this tendency is particularly noticeable in cold seasons or in cold regions.
本発明の目的は、道路占用物周囲に舗装材を舗設するに
際して、敷きならされた加熱舗装材を転圧時十分に加熱
保温することができ、或は舗設された樹脂舗装材をその
硬化促進のために加熱することができる道路占用物周囲
の舗設工法並びにその舗設工法の実施に使用する道路占
用物の誘導加熱装置を提供することにある。An object of the present invention is to be able to sufficiently heat and insulate the laid heating paving material during compaction when paving the paving material around road-occupied objects, or to accelerate the hardening of the laid resin paving material. An object of the present invention is to provide a method for paving around road-occupied objects that can heat the surroundings of road-occupied objects, and an induction heating device for road-occupied objects used in the implementation of the paving method.
ざらに、本発明の別の目的は、上記道路占用物周囲の舗
設工法の実施においで加熱舗装材の投入を不要又は殆ど
不要とする舗装材付き道路占用物を提供することにある
。In general, another object of the present invention is to provide a road-use object with a paving material that makes it unnecessary or almost unnecessary to use heated paving material when carrying out the above-mentioned paving method around the road-use object.
（課題を解決するための技術手段〕
上記の目的は本発明によって達成することができる。即
ち、本発明に係る道路占用物周囲の舗設工法は、道路占
用物周囲に舗装材を舗設するに際して、道路占用物に近
接又は密接して電磁誘導コイルを設け、道路占用物を誘
導加熱することを特徴としでいる。(Technical means for solving the problem) The above object can be achieved by the present invention. That is, the method for paving around road-occupied objects according to the present invention, when paving the paving material around road-occupied objects, It is characterized in that an electromagnetic induction coil is provided close to or in close contact with the road-occupied object, and the road-occupied object is heated by induction.
また、本発明に係る道路占用物の誘導加熱装置は、電磁
誘導コイルと、電磁誘導コイルを道路占用物の中空部に
、電磁誘導コイルか発生する交番磁束が道路占用物内部
を通過するように保持するコイル保持手段とからなり、
上記舗設工法を実施するために使用される。電磁誘導コ
イルが特に商用周波数５０／６０ヘルツのような低周波
数の交流電流によって駆動される場合は、電磁誘導コイ
ルの鉄芯の少なくとも片端と道路占用物の少なくとも片
縁との間を適当な磁路部材て架橋させることか好ましい
。Further, the induction heating device for a road-occupied object according to the present invention includes an electromagnetic induction coil, and an electromagnetic induction coil placed in a hollow part of the road-occupied object so that an alternating magnetic flux generated by the electromagnetic induction coil passes through the inside of the road-occupied object. and a coil holding means for holding the coil.
Used to carry out the above paving method. If the electromagnetic induction coil is driven by an alternating current with a low frequency, such as a commercial frequency of 50/60 Hz, a suitable magnetic It is preferable to crosslink the road member.
さらに、本発明に係る舗装材付き道路占用物は、道路占
用物外側面にその上縁を越える高さにグースアスファル
トその他の熱流動化性舗装材を付着させてなるものであ
り、上記舗設工法を実施するために使用することができ
る。Furthermore, the road use material with paving material according to the present invention is one in which goose asphalt or other thermofluidizable paving material is adhered to the outer surface of the road use material at a height exceeding the upper edge thereof, and the paving method described above is used. can be used to implement.
上記道路占用物周囲の舗設工法においては、電磁誘導コ
イルか発生する交番磁束の通過にょっＣ道路占用物内部
に誘導電流が発生し、誘導電流に基くジュール熱の発生
によって道路占用物が内部から直接的に加熱される。本
発明における道路占用物は、従って、誘導加熱可能な材
質と構造を有するものに限定される。誘導加熱された道
路占用物はその周囲にある舗装材を加熱し、舗装材の保
温、流動化、硬化等が行なわれる。In the above-mentioned method of paving around road-use objects, an induced current is generated inside the road-use object due to the passage of the alternating magnetic flux generated by the electromagnetic induction coil, and the generation of Joule heat based on the induced current causes the road-use object to be removed from the inside. directly heated. Accordingly, the road-use objects in the present invention are limited to those having materials and structures that allow induction heating. The induction-heated road-use object heats the surrounding paving material, thereby insulating, fluidizing, and hardening the paving material.
上記舗設工法を実施するための道路占用物の誘導加熱装
置においては、道路占用物の中空部に保持された電磁誘
導コイルから発生する交番磁束が周囲の道路占用物を通
過し、所要の誘導加熱が行なわれる。電磁誘導コイルの
鉄芯の少なくとも片端と道路占用物の少なくとも片縁と
の間を適当な磁路部材で架橋させると、商用周波数５０
／６０ヘルツのような低周波数の交流電流を使用した場
合において効率のよい誘導加熱を行なうことができる。In the induction heating device for road-occupied objects for carrying out the above-mentioned paving method, alternating magnetic flux generated from an electromagnetic induction coil held in the hollow part of the road-occupied objects passes through the surrounding road-occupied objects, and generates the required induction heating. will be carried out. If at least one end of the iron core of the electromagnetic induction coil and at least one edge of the road-occupied object are bridged with an appropriate magnetic path member, the commercial frequency 50
Efficient induction heating can be performed when using a low frequency alternating current such as /60 hertz.
また、上記舗設工法を実施するための舗装材付き道路占
用物においでは、その据え付は後に道路占用物を上記の
ように誘導加熱することにより、外側部に余盛り状態で
付着した舗装材が流動化すると共に道路占用物囚囲の空
隙内に充填される。In addition, in the case of road-use materials with paving materials for implementing the above-mentioned paving method, the installation is done by induction heating the road-use material as described above, so that the excess paving material attached to the outside part is removed. As it becomes fluidized, it fills the voids surrounding road-occupied objects.
その場合において舗装材の不足が生じたときは適宜補充
すればよい、なお、付着舗装材の量を道路占用物周囲の
空隙容積にできるたけ適合させておくことか好ましい。In this case, if there is a shortage of paving material, it may be replenished as appropriate; it is preferable that the amount of adhering paving material be adapted as much as possible to the void volume around the road-occupied object.
Ｃ実施例〕
第１図及び第２図は本発明の実施例を示す各々縦断面図
及び平面図、また第３図は第１図に示すマンホール枠周
囲の誘導加熱後の状態を示す要部縦断面図である。同図
において、地中にマンホール糾ｖ（１）が設置され、そ
の上部周囲の既設舗装（２）か特公昭６１−２５８４４
号公報及び特公昭６１−３３９３８号公報に示されるよ
うに円形状に切断除去され、マンホール斜壁（１）上面
に粗調整用コンクリートリジグ（３）及び微調整用樹脂
コンクリートスペーサ（４）を介して舗装材付きマンホ
ール枠（５）が据え付けられている。舗装材付きマンホ
ール枠（５）は道路占用物としてのマンホール枠（６）
外側面にその上縁を越える高さに熱流動化性舗装材とし
てのグースアスファルト（７）が予め略円柱状に付着さ
れてなるものである。なお、マンホール斜ｖ（１）の上
部周囲の既設舗装（２）は常法のように四角形状に切断
除去されてもよく、またその場合に、マンホール枠（６
）外側面に付着されるグースアスファルト（７）が略四
角柱状であってもよい。C Embodiment] FIGS. 1 and 2 are a longitudinal sectional view and a plan view, respectively, showing an embodiment of the present invention, and FIG. 3 is a main part showing the state around the manhole frame shown in FIG. 1 after induction heating. FIG. In the same figure, a manhole hole (1) is installed underground, and the existing pavement around the top (2) is
As shown in Japanese Patent Publication No. 61-33938, the manhole slanted wall (1) was cut into a circular shape and a concrete rejig (3) for rough adjustment and a resin concrete spacer (4) for fine adjustment were installed on the upper surface of the manhole slanted wall (1). A manhole frame (5) with paving material is installed through it. The manhole frame (5) with paving material is a manhole frame (6) used for road use.
Goose asphalt (7) as a thermofluidizable paving material is preliminarily adhered to the outer surface at a height exceeding the upper edge thereof in a substantially cylindrical shape. In addition, the existing pavement (2) around the upper part of the manhole diagonal v (1) may be cut and removed into a square shape as usual, and in that case, the manhole frame (6
) The goose asphalt (7) attached to the outer surface may have a substantially rectangular column shape.
また、マンホール枠（６）にはその誘導加熱装置（８）
か着脱自在に設置されている。誘導加熱袋Ｍ（８）は、
筒状鉄芯（９）、鉄芯（９）上に設置プられた電磁誘導
コイル（１０）、及び鉄芯（９）の上端に固着された磁
路部材兼コイル保持手段としての７ランジ（１１）から
なり、フランジ（１１）の下面周囲がマンホール枠（６
）の上縁に設置され、従って電磁誘導コイル（１０）は
マンホール枠（６）の中空部（１２）に保持されている
。フランジ（１］）には、電磁誘導コイル（１０）の端
子（図示を省略する）に接続された防水コネクタ（１３
）及び移動用の吊りボルト（１４）が付設され、さらに
中央から半径方向に磁束遮断孔（１５）及びに磁束遮断
溝（１６）か連通して穿設されている。なお、必要に応
じて、鉄芯（９）の下端とマンホール枠（６）下部又は
下縁との間にも適当な磁路部材を架橋させてもよい。In addition, the induction heating device (8) is attached to the manhole frame (6).
It is installed removably. The induction heating bag M (8) is
A cylindrical iron core (9), an electromagnetic induction coil (10) installed on the iron core (9), and 7 langes (as a magnetic path member and coil holding means) fixed to the upper end of the iron core (9). 11), and the periphery of the lower surface of the flange (11) is the manhole frame (6
), so that the electromagnetic induction coil (10) is held in the hollow part (12) of the manhole frame (6). The flange (1]) has a waterproof connector (13) connected to a terminal (not shown) of the electromagnetic induction coil (10).
) and a suspension bolt (14) for movement are attached, and furthermore, a magnetic flux blocking hole (15) and a magnetic flux blocking groove (16) are bored in communication with each other in the radial direction from the center. In addition, if necessary, a suitable magnetic path member may be bridged between the lower end of the iron core (9) and the lower part or lower edge of the manhole frame (6).
上記の構成において、電磁誘導コイル（１０）に防水コ
ネクタ（１３）ｌＦｒ介して例えば商用周波数５０／６
０ヘルツの交流電流を通電すると、交番磁束が磁路部材
としてのフランジ（１１）！介してマンホール枠（６）
内部を通過すると共に誘導電流が発生するので、マンホ
ール枠（６）かジュール熱により内部から直接的に加熱
される。In the above configuration, for example, a commercial frequency of 50/6 is connected to the electromagnetic induction coil (10) via the waterproof connector (13) lFr.
When an alternating current of 0 Hz is applied, an alternating magnetic flux flows through the flange (11) as a magnetic path member! Through the manhole frame (6)
Since an induced current is generated as it passes through the interior, the manhole frame (6) is directly heated from the inside by Joule heat.
２ランジ（１１）上の磁束遮断孔（１５）及びに磁束遮
断溝（１６）は、交番磁束をそれがフランジ（１１）の
直径方向や同心円方向に通過しないように遮断し、加熱
効率の低下を防止する。また、フランジ（１１）上の吊
りボルト（１４）は、誘導加熱装置（８）をマンホール
枠（６）との着脱等のために移動させるときに有用であ
る。The magnetic flux blocking hole (15) and the magnetic flux blocking groove (16) on the second flange (11) block the alternating magnetic flux from passing in the diametrical direction or concentric direction of the flange (11), reducing heating efficiency. prevent. Further, the hanging bolt (14) on the flange (11) is useful when moving the induction heating device (8) to attach or detach it from the manhole frame (6).
なお、誘導加熱装置（８）の構造及び設Ｍ態様は、道路
占用物の種類や形態、及び使用する交流電流の周波数等
に応じて、良好な加熱効率が得られるように適宜変更、
調整される。The structure and configuration of the induction heating device (8) may be changed as appropriate to obtain good heating efficiency depending on the type and form of the road-occupying object, the frequency of the alternating current used, etc.
be adjusted.
上記マンホール枠（６）の誘導加熱により、第３図に示
すように、その外側面に付着したグースアスファルト（
７）が流動化し、マンホール枠（６）外側面、粗調整用
コンクリートリング（３）及び微調整用樹脂コンクリー
トスペーサ（４）の各外側面、マンホール斜壁（１）上
面及び既設舗装（２）断面で囲まれた空隙内に充填され
る。その後、電磁誘導コイル（１０）への通電を停止し
、或は通電を適当に制御しながら、必要に応じて締め固
め、ざらに必要に応じて表層施工等を行ない、舗設を完
了する。Due to the induction heating of the manhole frame (6), the goose asphalt (
7) is fluidized, and the outer surface of the manhole frame (6), each outer surface of the rough adjustment concrete ring (3) and the fine adjustment resin concrete spacer (4), the top surface of the manhole slanted wall (1), and the existing pavement (2) The void surrounded by the cross section is filled. Thereafter, the energization to the electromagnetic induction coil (10) is stopped, or while the energization is appropriately controlled, compaction is performed as necessary, and surface layer construction is performed as necessary to complete the paving.
なお、上記のような舗装材付きマンホール枠（５）の代
りに通常のマンホール枠（６）を使用する場合は、電磁
誘導コイル（１０）への通電を制御し、マンホール枠（
６）を適度に誘導加熱しながら、常法のようにマンホー
ル枠（６）外側面と既設舗装（２）断面との空隙内に加
熱舗装材を敷きならすと共に転圧による締め固めを行な
うことにより、好ましい保温状態の下で舗設そ行なうこ
とができる。また、上記加熱舗装材の代りに樹脂コンク
リートや樹脂モルタル等の樹脂舗装材を使用する場合は
、マンホール枠（６）を適度に誘導加熱することにより
、投入後における樹脂舗装材の硬化を促進することかで
きる。In addition, when using a normal manhole frame (6) instead of the above-mentioned manhole frame with paving material (5), the energization to the electromagnetic induction coil (10) is controlled and the manhole frame (
6) is moderately heated by induction, and as usual, heated paving material is laid in the gap between the outer surface of the manhole frame (6) and the cross section of the existing pavement (2), and compacted by rolling pressure. , paving can be carried out under favorable thermal conditions. In addition, when using a resin paving material such as resin concrete or resin mortar instead of the above-mentioned heated paving material, the hardening of the resin paving material after injection is promoted by moderately induction heating the manhole frame (6). I can do it.
（発明の効果〕
以上のように、本発明に係る道路占用−周囲の舗設工法
では、道路占用物を誘導加熱する工程を含むので、道路
占用−周囲の舗装材が効果的に加熱され、従って加熱舗
装材の十分な締め固め、樹脂舗装材の硬化促進、ざらに
舗装材付き道路占用物における付着された熱流動化°ｉ
舗装材の流動化による敷きなうしか可能である。(Effects of the Invention) As described above, the road occupation-surrounding paving method according to the present invention includes the step of induction heating the road occupation object, so that the road occupation-surrounding paving material is effectively heated. Sufficient compaction of heated paving materials, acceleration of curing of resin paving materials, and thermal fluidization of adhered road materials with rough paving materials °i
The only option is to lay it down by fluidizing the paving material.
また、本発明に係る道路占用物の誘導加熱装置では、電
磁誘導コイルか道路占用物の中空部に保持されるので、
据え付は後の通路占用物を容易に、しかも舗設作業を阻
害することなく誘導加熱することかできる。その場合に
おいて、電磁誘導コイルの鉄芯の少なくとも片端と道路
占用物の少なくとも片縁との間を適当な磁路部材で架橋
させると、低周波数の交流電流を使用した場合においで
効率のよい誘導加熱を行なうことかできる。Furthermore, in the induction heating device for road-occupied objects according to the present invention, since the electromagnetic induction coil is held in the hollow part of the road-occupied objects,
Installation is easy and allows induction heating of objects occupying the passageway without interfering with paving work. In that case, if a suitable magnetic path member is used to bridge at least one end of the iron core of the electromagnetic induction coil and at least one edge of the road object, efficient induction can be achieved when using low-frequency alternating current. It can be heated.
さらに、本発明に係る舗装材付き道路占用物では、外側
部にグースアスファルトのような熱流動化性舗装材を備
えているので、通路占用物の誘導加熱によって容易に流
動化し、従って道路占用物周囲の舗設に際して加熱舗装
材の敷きならし工程を殆ど或は全く要しない。Furthermore, since the road-use material with paving material according to the present invention is equipped with a heat-fluidizable paving material such as goose asphalt on the outside, it is easily fluidized by induction heating of the road-use material, and therefore the road-use material can be easily fluidized by induction heating of the road material. Little or no heating paving material laying step is required during surrounding paving.
第１図及び第２図は本発明の実施例を示す各々縦断面図
及び平面図、また第３図は第１図に示すマンホール枠Ｊ
」囲の誘導加熱俊の状態を示す要部縦断面図である。
〈主要符号の説明〉
］・・・マンホール斜壁、 ２・・・既設舗装、
５・・・舗装材付きマンホール枠、 ６・・・マンホー
ル枠（道路占用物）、 ７・・・グースアスファルト
（熱流動化性舗装材）、 ８・・・誘導加熱装置、 ９
・・・鉄芯、 １０・・・電磁誘導コイル、 １
１・・・フランジ（磁路部材兼コイル保持手段）、
１２・・・中空部以上
特許出願人 株式会社 エ ポ
特許出願人 日 工 株式会社
代理人 弁理士 安 藤 惇 逸
第６図1 and 2 are a vertical sectional view and a plan view, respectively, showing an embodiment of the present invention, and FIG. 3 is a manhole frame J shown in FIG. 1.
FIG. <Explanation of main symbols> ]...Manhole slanted wall, 2...Existing pavement,
5... Manhole frame with paving material, 6... Manhole frame (road use material), 7... Goose asphalt (thermal fluidizable paving material), 8... Induction heating device, 9
... Iron core, 10 ... Electromagnetic induction coil, 1
1... flange (magnetic path member and coil holding means),
12...Patent applicant for the hollow part and above EP Co., Ltd. Patent applicant Nikko Co., Ltd. Agent Patent attorney Atsushi Ando Figure 6
Claims (5)
路占用物に近接又は密接して電磁誘導コイルを設け、道
路占用物を誘導加熱することを特徴とする道路占用物周
囲の舗設工法。(1) A method for paving around road-occupied objects, which is characterized in that when paving materials around road-occupied objects, an electromagnetic induction coil is provided in close proximity to or in close contact with the road-occupied objects, and the road-occupied objects are heated by induction.
の中空部に、電磁誘導コイルが発生する交番磁束が道路
占用物内部を通過するように保持するコイル保持手段と
からなる道路占用物の誘導加熱装置。(2) A road-use object consisting of an electromagnetic induction coil and a coil holding means that holds the electromagnetic induction coil in a hollow part of the road-use object so that the alternating magnetic flux generated by the electromagnetic induction coil passes through the inside of the road-use object. Induction heating device.
用物の少なくとも片縁との間に磁路部材が架橋された、
請求項２記載の道路占用物の誘導加熱装置。(3) A magnetic path member is bridged between at least one end of the iron core of the electromagnetic induction coil and at least one edge of the passage-occupying object;
The induction heating device for road-occupied objects according to claim 2.
動化性舗装材を付着させてなる舗装材付き道路占用物。(4) A road-use object with a paving material attached to the outer surface of the road-use object to a height exceeding the upper edge of the heat-fluidizable paving material.
請求項４記載の舗装材付き道路占用物。(5) The thermofluidizable paving material is goose asphalt.
The road-use article with a paving material according to claim 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63021104A JP2598942B2 (en) | 1988-01-31 | 1988-01-31 | Paving method around road occupation material, induction heating device for road occupation material used for carrying out the paving method, and road occupation material with paving material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63021104A JP2598942B2 (en) | 1988-01-31 | 1988-01-31 | Paving method around road occupation material, induction heating device for road occupation material used for carrying out the paving method, and road occupation material with paving material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01198905A true JPH01198905A (en) | 1989-08-10 |
| JP2598942B2 JP2598942B2 (en) | 1997-04-09 |
Family
ID=12045564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63021104A Expired - Fee Related JP2598942B2 (en) | 1988-01-31 | 1988-01-31 | Paving method around road occupation material, induction heating device for road occupation material used for carrying out the paving method, and road occupation material with paving material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2598942B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001317004A (en) * | 2000-05-10 | 2001-11-16 | Hinode Ltd | Pavement construction method of ground-surface component peripheral section |
| WO2007111025A1 (en) | 2006-03-29 | 2007-10-04 | Green Arm Co., Ltd. | Method for removing asphalt pavement, system for removing asphalt pavement, electromagnetic induction coil unit, device for removing asphalt pavement, and method for stripping asphalt pavement |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130033811A (en) | 2011-09-27 | 2013-04-04 | 엘지전자 주식회사 | Dish washer |
-
1988
- 1988-01-31 JP JP63021104A patent/JP2598942B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001317004A (en) * | 2000-05-10 | 2001-11-16 | Hinode Ltd | Pavement construction method of ground-surface component peripheral section |
| JP4587524B2 (en) * | 2000-05-10 | 2010-11-24 | 日之出水道機器株式会社 | Pavement method around the ground surface composition |
| WO2007111025A1 (en) | 2006-03-29 | 2007-10-04 | Green Arm Co., Ltd. | Method for removing asphalt pavement, system for removing asphalt pavement, electromagnetic induction coil unit, device for removing asphalt pavement, and method for stripping asphalt pavement |
| US8834063B2 (en) | 2006-03-29 | 2014-09-16 | Green Arm Co., Ltd. | Method for removing asphalt pavement and system for removing asphalt pavement |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2598942B2 (en) | 1997-04-09 |
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