JP3247058B2 - Destruction device - Google Patents

Destruction device

Info

Publication number
JP3247058B2
JP3247058B2 JP32622696A JP32622696A JP3247058B2 JP 3247058 B2 JP3247058 B2 JP 3247058B2 JP 32622696 A JP32622696 A JP 32622696A JP 32622696 A JP32622696 A JP 32622696A JP 3247058 B2 JP3247058 B2 JP 3247058B2
Authority
JP
Japan
Prior art keywords
destruction
metal wire
probe
connector
mounting hole
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 - Fee Related
Application number
JP32622696A
Other languages
Japanese (ja)
Other versions
JPH10166350A (en
Inventor
浩成 荒井
大介 玉越
鉄也 井上
英彦 前畑
剛 加藤
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.)
Hitachi Zosen Corp
Original Assignee
Hitachi Zosen Corp
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 Hitachi Zosen Corp filed Critical Hitachi Zosen Corp
Priority to JP32622696A priority Critical patent/JP3247058B2/en
Publication of JPH10166350A publication Critical patent/JPH10166350A/en
Application granted granted Critical
Publication of JP3247058B2 publication Critical patent/JP3247058B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、破壊用物質の膨張
力を用いて被破壊物を破壊する破壊装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a destruction device for destroying an object to be destroyed by using the expansion force of a substance for destruction.

【0002】[0002]

【従来の技術】従来、コンクリート構造物や岩石などの
被破壊物を破壊するための破壊装置には、図5に示すよ
うなものがある。
2. Description of the Related Art Conventionally, there is a destruction device for destroying an object to be destroyed such as a concrete structure or a rock as shown in FIG.

【0003】この破壊装置30は、被破壊物31に形成
した装着孔32に装着する破壊プローブ33を有し、こ
の破壊プローブ33は、破壊用物質34を充填する破壊
容器35と、破壊用物質34を破壊容器35に封入する
ために設けた蓋36に対で挿通した電極37と、これら
電極37の先端部間に接続して破壊用物質34に浸漬し
た金属細線39とから成っている。
The destruction device 30 has a destruction probe 33 mounted in a mounting hole 32 formed in an object 31 to be destroyed. It comprises an electrode 37 inserted in a pair into a lid 36 provided for enclosing 34 in a destruction container 35, and a thin metal wire 39 connected between the tips of these electrodes 37 and immersed in a substance for destruction 34.

【0004】また、この破壊装置30には、電極37の
基端部に接続したケーブル40を介して金属細線39に
対して電気エネルギーを供給するためのエネルギー供給
部41を有し、電極37とケーブル40とは、溶接や結
線によって接続している。
The breaking device 30 has an energy supply unit 41 for supplying electric energy to the thin metal wire 39 via a cable 40 connected to the base end of the electrode 37. The cable 40 is connected by welding or connection.

【0005】そして、上記の破壊プローブ33を被破壊
物31に予め形成した装着孔32に装着し、エネルギー
供給部41からケーブル40を介して金属細線39に対
して短時間で電気エネルギーを放電供給する。
The above-mentioned breaking probe 33 is mounted in a mounting hole 32 formed in the object to be destroyed 31 in advance, and electric energy is supplied from the energy supply section 41 to the thin metal wire 39 via the cable 40 in a short time. I do.

【0006】こうすることにより、金属細線39が急激
に溶融蒸発するとともに破壊用物質34が急激に気化し
て膨張し、その膨張力が、例えば装着孔32の孔壁面に
働き、被破壊物31を破壊することができる。
As a result, the thin metal wire 39 rapidly melts and evaporates, and the destructive substance 34 rapidly evaporates and expands. Can be destroyed.

【0007】[0007]

【発明が解決しようとする課題】上記破壊装置30にお
いて、電極37とケーブル40とは、溶接や結線によっ
て接続するため、その作業は大変であり、特に多数の破
壊装置30を製作する場合は手間がかかる。
In the destruction device 30, since the electrode 37 and the cable 40 are connected by welding or wire connection, the work is troublesome. Particularly, when a large number of destruction devices 30 are manufactured, it is troublesome. It takes.

【0008】そこで本発明は、上記課題を解決し得る破
壊装置の提供を目的とする。
Accordingly, an object of the present invention is to provide a destruction device that can solve the above-mentioned problems.

【0009】[0009]

【課題を解決するための手段】本発明における課題を解
決するための手段は、破壊容器内に充填される破壊用物
質、この破壊用物質を破壊容器内に封じ込める蓋に対で
挿通された電極部材、これら電極部材の先端部同士を接
続するとともに破壊用物質に浸漬された金属細線、前記
電極部材に着脱自在なコネクタを設けた接続部材を有
し、被破壊物に形成した装着孔に装着される破壊プロー
ブと、油圧シリンダ装置により回動される回動アーム先
端の支持部に前記接続部材が取り付けられる保持体と、
前記保持体の支持部から接続部材のコネクタを介して
破壊プローブに設けた金属細線に電気エネルギーを供給
するためのエネルギー供給部とを具備し、前記保持体の
油圧シリンダ装置を駆動して破壊プローブを装着孔に装
着し、前記エネルギー供給部からコネクタおよび電極部
材を介して金属細線に電気エネルギーを短時間で供給し
金属細線を急激に溶融蒸発させることにより、破壊用
物質を急激に気化させ、その際の膨張力で被破壊物を破
壊させた後、前記保持体により接続部材を後退させ、該
接続部材のコネクタに電極部材を介して装着された新た
な破壊容器を有する破壊プローブを、次の装着孔に装着
して破壊を行うように構成したものである。
Means for solving the problem of the present invention is to provide a destruction object filled in a destruction container.
Quality, paired with a lid that encloses this destructive substance in a destruction container
Connect the inserted electrode members and the tips of these electrode members.
Metal wire immersed in a substance for destruction and
Has a connection member with a detachable connector on the electrode member
And a destruction probe attached to the mounting hole formed in the object to be destroyed.
And a holding body to which the connection member is attached to a support portion at the tip of a rotating arm that is rotated by a hydraulic cylinder device;
From the support of the holder via the connector of the connection member
Supply electric energy to the thin metal wire provided in the destruction probe
And an energy supply unit for performing
Drive the hydraulic cylinder device to mount the destruction probe in the mounting hole.
From the energy supply unit to the connector and the electrode unit.
Electrical energy is supplied to the metal wire in a short time through the material, and the metal wire is rapidly melted and evaporated, making it suitable for destruction.
The substance is rapidly vaporized, and the expansion force at that time breaks the object to be destroyed
After breaking, the connecting member is retracted by the holding body,
A new connector attached to the connector of the connection member via the electrode member
A destruction probe with a special destruction container into the next mounting hole
It is configured to cause destruction .

【0010】上記構成において、保持体の先端部に接続
部材を保持し、破壊容器に破壊用物質を充填し、電極部
材を蓋に対で挿通して金属細線を破壊用物質に浸漬し、
保持体の先端部に接続部材を保持した状態で電極部材の
基端部をコネクタに接続して破壊プローブを組み立て、
保持体を駆動して破壊プローブを被破壊物に形成した装
着孔に装着し、エネルギー供給部からコネクタを介して
金属細線に電気エネルギーを短時間で供給して金属細線
を急激に溶融蒸発させることにより、破壊用物質を急激
に気化させ、その際の膨張力で被破壊物を破壊させる。
In the above construction, the connection member is held at the tip of the holder, the destruction container is filled with the destruction material, the electrode member is inserted into the lid in pairs, and the fine metal wire is immersed in the destruction material.
With the connecting member held at the distal end of the holder, the base end of the electrode member is connected to the connector to assemble the destruction probe,
Driving the holder and mounting the destruction probe in the mounting hole formed in the object to be destroyed, supplying electric energy to the metal wire in a short time from the energy supply unit via the connector, and rapidly melting and evaporating the metal wire. Thereby, the substance for destruction is rapidly vaporized, and the object to be destroyed is destroyed by the expansion force at that time.

【0011】[0011]

【発明の実施の形態】以下、本発明の実施の形態に係る
破壊装置および破壊方法を、図面に基づいて説明する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a destruction device and a destruction method according to an embodiment of the present invention will be described with reference to the drawings.

【0012】まず、図1および図2に基づいて、本発明
の実施の形態に係る破壊装置1を説明する。本発明の実
施の第一形態に係る破壊装置1は、岩盤などの被破壊物
2に形成した装着孔3に装着される破壊プローブ4と、
この破壊プローブ4に設けた金属細線5に対して電気エ
ネルギーを供給するための電源部(エネルギー供給部)
6とから構成されている。
First, a destruction device 1 according to an embodiment of the present invention will be described with reference to FIGS. The destruction device 1 according to the first embodiment of the present invention includes a destruction probe 4 mounted in a mounting hole 3 formed in an object 2 to be destructed such as a rock,
Power supply unit (energy supply unit) for supplying electric energy to the thin metal wire 5 provided on the destruction probe 4
6 is comprised.

【0013】破壊プローブ4は、破壊容器7と、この破
壊容器7に充填された破壊用物質(例えば水や油などが
用いられる)8と、この破壊用物質8を封じ込めるため
の蓋(例えばセラミックなどの絶縁材から形成される)
9に対で挿通された棒状の電極部材10と、これら電極
部材10の先端部同士を接続する被覆電線11と、電極
部材10の基端部に着脱自在に接続されるコネクタ12
を有するとともに、例えば図示しない車両に搭載した保
持体13の先端部に保持された接続部材14とから構成
されている。
The destruction probe 4 includes a destruction container 7, a destruction substance (for example, water or oil, etc.) 8 filled in the destruction container 7, and a lid (for example, ceramic) for enclosing the destruction substance 8. Etc.)
9, a rod-shaped electrode member 10 inserted in pairs, a covered electric wire 11 connecting the distal ends of these electrode members 10, and a connector 12 detachably connected to the base end of the electrode member 10.
And a connection member 14 held at a tip end of a holding body 13 mounted on a vehicle (not shown), for example.

【0014】図2に示すように、保持体13は、車両に
取付けられた油圧シリンダ装置15と、この油圧シリン
ダ装置15のロッド16の先端部に支軸部材17を介し
て回動自在に取付けられた回動アーム18と、この回動
アーム18の先端部に別の支軸部材19を介して回動自
在に支持されるとともに、電源部6に接続されたリード
線20を取付けた支持部材21とから構成され、接続部
材14は支持部材21に取付けられている。
As shown in FIG. 2, a holding body 13 is rotatably mounted on a hydraulic cylinder device 15 mounted on a vehicle and a tip end of a rod 16 of the hydraulic cylinder device 15 via a support shaft member 17. And a supporting member which is rotatably supported at the distal end of the rotating arm 18 via another support shaft member 19 and to which a lead wire 20 connected to the power supply unit 6 is attached. 21, and the connection member 14 is attached to the support member 21.

【0015】前記被覆電線11の被覆材22の一部が切
除されて前記金属細線5が露出され、この金属細線5
は、破壊容器7内で破壊用物質8に浸漬されている。上
記構成において、被破壊物2を破壊する方法を説明す
る。まず、ドリルを用いて被破壊物2に、装着孔3を形
成する。一方で、支持部材21に、接続部材14を取付
け、この状態で電極部材10をコネクタ12に差し込む
ようにして、破壊容器7を、接続部材14に取付ける。
A part of the covering material 22 of the covered electric wire 11 is cut off to expose the thin metal wire 5.
Is immersed in a destruction substance 8 in a destruction container 7. A method of destroying the object 2 in the above configuration will be described. First, the mounting hole 3 is formed in the object 2 using a drill. On the other hand, the connection member 14 is attached to the support member 21, and in this state, the electrode member 10 is inserted into the connector 12, and the destruction container 7 is attached to the connection member 14.

【0016】そして、油圧シリンダ装置15を駆動して
破壊プローブ4を装着孔3に装着して押し付け、電源部
6からコネクタ12を介して金属細線5に電気エネルギ
ーを短時間で供給すると、金属細線5が急激に溶融蒸発
し、破壊用物質8が急激に気化し、その際の膨張力で被
破壊物2が破壊したり、脆弱化する。
Then, when the hydraulic cylinder device 15 is driven to mount the breaking probe 4 into the mounting hole 3 and press the same, electric power is supplied from the power supply unit 6 to the fine metal wire 5 via the connector 12 in a short time. 5 rapidly melts and evaporates, and the substance for destruction 8 rapidly evaporates, and the to-be-destructed object 2 is broken or weakened by the expansion force at that time.

【0017】そして、所定の場所の破壊作業が終了した
ら、再び油圧シリンダ装置15を駆動して支持部材21
とともに接続部材14を後退させ、新たな破壊容器7に
おける電極部材10をコネクタ12に接続し、上記と同
様の動作により、次の箇所の破壊を行う。
When the destruction work at the predetermined place is completed, the hydraulic cylinder device 15 is driven again to support the support member 21.
At the same time, the connecting member 14 is retracted, the electrode member 10 in the new breaking container 7 is connected to the connector 12, and the next portion is broken by the same operation as described above.

【0018】このように、本発明の実施の形態によれ
ば、支持部材21に接続部材14を取付けて保持した状
態で電極部材10をコネクタ12に差し込むようにし
て、破壊容器7を接続部材14に取付けるだけで破壊プ
ローブ4を組み立てることができるので、破壊装置1の
製作に手間がかからない。
As described above, according to the embodiment of the present invention, the electrode member 10 is inserted into the connector 12 in a state where the connecting member 14 is mounted and held on the supporting member 21, and the destruction container 7 is connected to the connecting member 14. Since the destruction probe 4 can be assembled simply by attaching the destruction device 1, no trouble is required in manufacturing the destruction device 1.

【0019】図3は別の実施の形態を示すもので、これ
は、コネクタ12の先端部に弾性を付与した構成とした
もので、電極部材10をコネクタ12に差し込んだ際
に、破壊容器7を確実に接続部材14に保持することが
できる。他の構成は上記実施の形態と同様である。
FIG. 3 shows another embodiment in which the distal end portion of the connector 12 is provided with elasticity. When the electrode member 10 is inserted into the connector 12, the breaking container 7 Can be securely held by the connection member 14. Other configurations are the same as those of the above embodiment.

【0020】図4にさらに別の実施の形態を示す。これ
は、破壊容器7の端部に雄ねじ部25が形成され、接続
部材14の端部に雌ねじ部26を有するパイプ27が取
付けられたもので、上記実施の形態と同様に電極部材1
0をコネクタ12に差し込むようにして、破壊容器7を
接続部材14に取付け、パイプ27を回転して接続部材
14に破壊容器7を固定するよう構成してもよい。他の
構成は上記実施の形態と同様である。
FIG. 4 shows still another embodiment. This is one in which a male screw part 25 is formed at the end of the breaking container 7 and a pipe 27 having a female screw part 26 is attached to the end of the connection member 14, similarly to the above-described embodiment.
0 may be inserted into the connector 12 so that the destruction container 7 is attached to the connection member 14, and the pipe 27 may be rotated to fix the destruction container 7 to the connection member 14. Other configurations are the same as those of the above embodiment.

【0021】さらに、上記各実施の形態において、例え
ば車両に、装着孔3を形成するためのドリルを搭載さ
せ、このドリルで装着孔3を穿孔して上記破壊作業を行
うことにより、連続した動作で被破壊物2を破壊するこ
とができる。
Further, in each of the above-mentioned embodiments, for example, a vehicle is provided with a drill for forming the mounting hole 3, and the mounting hole 3 is drilled with the drill to perform the above-described destruction work, thereby achieving a continuous operation. The object 2 can be destroyed.

【0022】[0022]

【発明の効果】以上の説明から明らかな通り、本発明
は、被破壊物の装着孔に装着する破壊プローブを、破壊
容器と、破壊容器に充填した破壊用物質を封じ込める蓋
に対で挿通した電極部材の先端部同士を接続して破壊用
物質に浸漬した金属細線と、電極部材の基端部に着脱自
在に接続されるコネクタを有するとともに保持体の先端
部に保持される接続部材とから構成し、保持体の先端部
に接続部材を保持した状態で電極部材をコネクタに接続
するようにしたので、従来のように、電極とケーブルと
を溶接や結線によって接続していた場合に比べて破壊装
置の製作に必要な手間を削減することができる。
As is apparent from the above description, in the present invention, a destruction probe to be mounted in a mounting hole of an object to be destroyed is inserted into a pair of a destruction container and a lid for sealing a destruction substance filled in the destruction container. A metal wire immersed in a destructive substance by connecting the distal ends of the electrode members, and a connecting member having a connector detachably connected to the base end of the electrode member and held at the distal end of the holding body. Since the electrode member is connected to the connector while holding the connecting member at the tip of the holding body, compared to the conventional case where the electrode and the cable are connected by welding or wire connection, The labor required for manufacturing the destruction device can be reduced.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の実施の形態を示す破壊装置の全体構成
図である。
FIG. 1 is an overall configuration diagram of a breaking device showing an embodiment of the present invention.

【図2】同じく破壊プローブを被破壊物の装着孔に装着
する途中の状態を示す概略図である。
FIG. 2 is a schematic view showing a state in which a destruction probe is being mounted on a mounting hole of an object to be destroyed.

【図3】別の実施の形態を示す拡大断面図である。FIG. 3 is an enlarged sectional view showing another embodiment.

【図4】さらに別の実施の形態を示す概略図である。FIG. 4 is a schematic view showing still another embodiment.

【図5】従来の破壊装置の全体構成図である。FIG. 5 is an overall configuration diagram of a conventional breaking device.

【符号の説明】[Explanation of symbols]

1 破壊装置 2 被破壊物 3 装着孔 4 破壊プローブ 5 金属細線 6 電源部 7 破壊容器 8 破壊用物質 10 電極部材 12 コネクタ 13 保持体 14 接続部材 15 油圧シリンダ装置 DESCRIPTION OF SYMBOLS 1 Destruction device 2 Destructible object 3 Mounting hole 4 Destruction probe 5 Thin metal wire 6 Power supply part 7 Destruction container 8 Destruction material 10 Electrode member 12 Connector 13 Holder 14 Connection member 15 Hydraulic cylinder device

───────────────────────────────────────────────────── フロントページの続き (72)発明者 前畑 英彦 大阪府大阪市此花区西九条5丁目3番28 号 日立造船株式会社内 (72)発明者 加藤 剛 大阪府大阪市此花区西九条5丁目3番28 号 日立造船株式会社内 (56)参考文献 特開 平8−318520(JP,A) 特開 平8−318521(JP,A) 特開 平8−318523(JP,A) 特開 平8−219699(JP,A) 特開 平8−219698(JP,A) 特開 昭63−221857(JP,A) 特開 昭55−78765(JP,A) 特開 平7−224586(JP,A) 特公 昭36−10730(JP,B1) (58)調査した分野(Int.Cl.7,DB名) E28D 1/00 E28D 1/26 E21C 37/18 E04G 23/08 ──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Hidehiko Maehata 5-3-28 Nishikujo, Konohana-ku, Osaka-shi, Osaka Inside Hitachi Zosen Corporation (72) Inventor Tsuyoshi Kato 5-chome, Nishikujo, Konohana-ku, Osaka-shi, Osaka No. 3 No. 28 Inside Hitachi Zosen Corporation (56) References JP-A-8-318520 (JP, A) JP-A-8-318521 (JP, A) JP-A 8-318523 (JP, A) JP-A-8-219699 (JP, A) JP-A-8-219698 (JP, A) JP-A-63-221857 (JP, A) JP-A-55-78765 (JP, A) JP-A-7-224586 (JP, A) A) Japanese Patent Publication No. 36-10730 (JP, B1) (58) Fields investigated (Int. Cl. 7 , DB name) E28D 1/00 E28D 1/26 E21C 37/18 E04G 23/08

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】破壊容器内に充填される破壊用物質、この
破壊用物質を破壊容器内に封じ込める蓋に対で挿通され
た電極部材、これら電極部材の先端部同士を接続すると
ともに破壊用物質に浸漬された金属細線、前記電極部材
に着脱自在なコネクタを設けた接続部材を有し、被破壊
物に形成した装着孔に装着される破壊プローブと、 油圧シリンダ装置により回動される回動アーム先端の支
持部に前記接続部材が取り付けられる保持体と、 前記保持体の支持部から接続部材のコネクタを介して破
壊プローブに設けた金属細線に電気エネルギーを供給す
るためのエネルギー供給部とを具備し、 前記保持体の油圧シリンダ装置を駆動して破壊プローブ
を装着孔に装着し、 前記エネルギー供給部からコネクタ
および電極部材を介して金属細線に電気エネルギーを短
時間で供給して金属細線を急激に溶融蒸発させることに
より、破壊用物質を急激に気化させ、その際の膨張力で
被破壊物を破壊させた後、前記保持体により接続部材を
後退させ、該接続部材のコネクタに電極部材を介して装
着された新たな破壊容器を有する破壊プローブを、次の
装着孔に装着して破壊を行うように構成したことを特徴
とする破壊装置。
1. A destructive substance to be filled in a destruction container.
Inserted in pairs into a lid that seals the destruction material in the destruction container
Electrode members, and when connecting the tip portions of these electrode members
The metal wire and the electrode member both immersed in a destructive substance
Has a connection member with a detachable connector on the
A destruction probe mounted in a mounting hole formed in an object and a support at a tip of a rotating arm rotated by a hydraulic cylinder device.
A holding member to which the connection member is attached to the holding portion;
Supplying electric energy to the thin metal wire provided on the breaking probe
And an energy supply unit for driving the hydraulic cylinder device of the holding body to drive the breaking probe.
Is mounted in the mounting hole, the electric energy is supplied from the energy supply unit to the thin metal wire via the connector and the electrode member in a short time to rapidly melt and evaporate the thin metal wire, thereby rapidly evaporating the destructive substance. After the object to be destroyed is broken by the expansion force at that time, the connecting member is
Retreat and connect to the connector of the connection member via the electrode member
A destruction probe with a new destruction vessel fitted is
A destruction device characterized in that the destruction device is configured to be mounted in a mounting hole to perform destruction.
JP32622696A 1996-12-06 1996-12-06 Destruction device Expired - Fee Related JP3247058B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP32622696A JP3247058B2 (en) 1996-12-06 1996-12-06 Destruction device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP32622696A JP3247058B2 (en) 1996-12-06 1996-12-06 Destruction device

Publications (2)

Publication Number Publication Date
JPH10166350A JPH10166350A (en) 1998-06-23
JP3247058B2 true JP3247058B2 (en) 2002-01-15

Family

ID=18185408

Family Applications (1)

Application Number Title Priority Date Filing Date
JP32622696A Expired - Fee Related JP3247058B2 (en) 1996-12-06 1996-12-06 Destruction device

Country Status (1)

Country Link
JP (1) JP3247058B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4769930B2 (en) * 2001-08-22 2011-09-07 株式会社熊谷組 Crusher electrode
TWI303654B (en) * 2003-03-14 2008-12-01 Mitsubishi Rayon Co Antifouling coating composition

Also Published As

Publication number Publication date
JPH10166350A (en) 1998-06-23

Similar Documents

Publication Publication Date Title
JP3247058B2 (en) Destruction device
JP3972539B2 (en) Manufacturing method of spark plug for internal combustion engine
JP3186944B2 (en) Mounting method of fine metal wire in breaking device
WO1998054425A1 (en) Destroying apparatus and method, and holding member for use in that method
JP3573604B2 (en) Destruction device
JP3186943B2 (en) Method of making thin metal wire for destruction device
JP2904700B2 (en) Tube mounting device
JP3370557B2 (en) Destruction method
JP3370558B2 (en) Destruction method
JPH07317330A (en) Demolition method of reinforced concrete structure
JP3770663B2 (en) Destruction method
JP2977984B2 (en) Anchor mounting method
JP3247061B2 (en) Destruction device
JP2894938B2 (en) Destruction device and destruction method of destructible object
JP3167277B2 (en) Destruction method
JP3773306B2 (en) Destruction method
JP3107718B2 (en) How to destroy objects
JP3370559B2 (en) Discharge impact destruction method and holding member used in this destruction method
JP3659768B2 (en) Destruction method
JP3093132B2 (en) Destruction equipment for destroyed objects
JP3197180B2 (en) Demolition method for reinforced concrete structures
JPH0750626B2 (en) Electrode for spark plug
JP2002233783A (en) Power probe for crushing and method for using the same
JP3373131B2 (en) Destruction method
JP3770662B2 (en) Device for containment of destruction tools

Legal Events

Date Code Title Description
FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20081102

Year of fee payment: 7

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20091102

Year of fee payment: 8

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20091102

Year of fee payment: 8

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20101102

Year of fee payment: 9

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20111102

Year of fee payment: 10

LAPS Cancellation because of no payment of annual fees