JPH0336091U - - Google Patents
Info
- Publication number
- JPH0336091U JPH0336091U JP9734989U JP9734989U JPH0336091U JP H0336091 U JPH0336091 U JP H0336091U JP 9734989 U JP9734989 U JP 9734989U JP 9734989 U JP9734989 U JP 9734989U JP H0336091 U JPH0336091 U JP H0336091U
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- existing pipe
- destruction
- destroying
- head
- 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.)
- Pending
Links
- 230000006378 damage Effects 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 2
- 230000001066 destructive effect Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図ａは本考案の一実施例を示す破壊ヘツド
の正面図、第１図ｂ，ｃは同破壊ヘツドのＡ−Ａ
´およびＢ−Ｂ´断面図、第２図は従来の既設管
の布設替え装置を用いた作業状態図、第３図は多
孔管の断面図である。
５……内部区分壁、６……多孔管、７……外周
壁、１１……外周刃壁、１１ａ，１２ａ，１２ｂ
，１２ｃ，１２ｄ……破壊刃、１２……内部刃壁
、１３……破壊ヘツド、１４……新管。
Figure 1a is a front view of a destructive head showing an embodiment of the present invention, and Figures 1b and c are A-A of the same destructive head.
' and BB' sectional views, FIG. 2 is a working state diagram using a conventional existing pipe re-laying device, and FIG. 3 is a sectional view of a perforated pipe. 5... Internal partition wall, 6... Porous pipe, 7... Outer peripheral wall, 11... Outer peripheral blade wall, 11a, 12a, 12b
, 12c, 12d...destruction blade, 12...inner blade wall, 13...destruction head, 14...new pipe.
Claims (1)
られて前記既設管を破壊しながら前記新管ととも
に推進される破壊ヘツドであつて、推進方向前面
に、前記既設管の内部空間を区分する内部区分壁
および外部壁を破壊する破壊刃を設けたことを特
徴とする破壊ヘツド。 A breaking head that is installed at the tip of a new pipe to be replaced along an existing pipe and is propelled along with the new pipe while destroying the existing pipe, and divides the internal space of the existing pipe in the front direction in the direction of propulsion. A destruction head characterized by being provided with a destruction blade for destroying an internal partition wall and an external wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9734989U JPH0336091U (en) | 1989-08-21 | 1989-08-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9734989U JPH0336091U (en) | 1989-08-21 | 1989-08-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0336091U true JPH0336091U (en) | 1991-04-09 |
Family
ID=31646495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9734989U Pending JPH0336091U (en) | 1989-08-21 | 1989-08-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0336091U (en) |
-
1989
- 1989-08-21 JP JP9734989U patent/JPH0336091U/ja active Pending