JPS6424786U - - Google Patents
Info
- Publication number
- JPS6424786U JPS6424786U JP11878887U JP11878887U JPS6424786U JP S6424786 U JPS6424786 U JP S6424786U JP 11878887 U JP11878887 U JP 11878887U JP 11878887 U JP11878887 U JP 11878887U JP S6424786 U JPS6424786 U JP S6424786U
- Authority
- JP
- Japan
- Prior art keywords
- excavator
- pipe
- old pipe
- new
- tip
- 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
- 239000012530 fluid Substances 0.000 claims 1
- 230000001681 protective effect Effects 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- 238000007796 conventional method Methods 0.000 description 2
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図Ａ，Ｂは本願作用を示す正面図、第２図
Ａ，Ｂは本願実施例を示す正面図と前方側面図、
第３図は別の実施例の正面図、第４図は従来の技
術を示す正面図、第５図Ａ，Ｂ，Ｃは従来技術の
問題点を示す正面図。
１……掘削機、２……旧管、３……管片、４…
…濆出口。
Figures 1A and B are front views showing the effect of the present invention, Figures 2A and B are front views and front side views showing the embodiment of the present invention,
FIG. 3 is a front view of another embodiment, FIG. 4 is a front view showing a conventional technique, and FIG. 5 A, B, and C are front views showing problems in the conventional technique. 1... Excavator, 2... Old pipe, 3... Pipe piece, 4...
...Round exit.
Claims (1)
いう）より大きい外径の胴部を有する掘削機の後
端に新しい本管または新しい本管の保護スリーブ
として役立つライナ（以下「新管」という）を取
付け、両者が共に前進して掘削機の先端が旧管内
へ入り込み、前記大きい外径の胴部によつて旧管
を破砕しつつ前進し空隙をおしひろげて旧管を新
管と取り替える装置において、掘削機の先端付近
に前方へ向けて流体を濆射する濆出口を開口した
ことを特徴とする旧管を新管と取り替える装置。 A liner (hereinafter referred to as "new pipe") that serves as a protective sleeve for the new main or new main at the rear end of the excavator with a body of a larger outside diameter than the existing main (hereinafter referred to as "old pipe") buried underground. The excavator moves forward together, and the tip of the excavator enters into the old pipe, crushing the old pipe with the large outer diameter body and moving forward, expanding the gap and removing the old pipe. A device for replacing an old pipe with a new pipe, characterized in that the device has an outlet near the tip of an excavator that sprays fluid forward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11878887U JPS6424786U (en) | 1987-07-31 | 1987-07-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11878887U JPS6424786U (en) | 1987-07-31 | 1987-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6424786U true JPS6424786U (en) | 1989-02-10 |
Family
ID=31363441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11878887U Pending JPS6424786U (en) | 1987-07-31 | 1987-07-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6424786U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6333080B2 (en) * | 1977-11-28 | 1988-07-04 | Berukutsuoiku Mas Fab Erikon Byuure Ag |
-
1987
- 1987-07-31 JP JP11878887U patent/JPS6424786U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6333080B2 (en) * | 1977-11-28 | 1988-07-04 | Berukutsuoiku Mas Fab Erikon Byuure Ag |