JPS5872295U - Intermediate sleeve for propulsion method - Google Patents
Intermediate sleeve for propulsion methodInfo
- Publication number
- JPS5872295U JPS5872295U JP16569781U JP16569781U JPS5872295U JP S5872295 U JPS5872295 U JP S5872295U JP 16569781 U JP16569781 U JP 16569781U JP 16569781 U JP16569781 U JP 16569781U JP S5872295 U JPS5872295 U JP S5872295U
- Authority
- JP
- Japan
- Prior art keywords
- socket pipe
- intermediate sleeve
- propulsion method
- pipe
- socket
- 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
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Joints With Sleeves (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図及び第２図は従来例を示し、第１図は縦断面図、
第２図は摺動部の拡大縦断面図、第３図は本考案の一実
施例の摺動部の拡大縦断面図である。
２・・・挿口管、２ａ・・・挿口管の中間厚肉部、３・
・・受口管、３ａ・・・受口管前端部、４中相対摺動部
、５・・・土砂流入防止板、１０・・・空間、１８・・
・環状凹部、１８ａ・・・大径部、１８ｂ・・・小径部
、１８Ｃ・・・傾斜部、１８ｄ・・・前側面、１８ｅ・
・・後側面、１９ａ、’１９ｂ・・・バックアップリン
グ、２０・・・シール材、２１−・・押圧装置、２１ａ
−・・押圧面、２４ａ、２４ｂ・・・バックアップリン
グのテーパ面。Fig. 1 and Fig. 2 show a conventional example, Fig. 1 is a longitudinal sectional view,
FIG. 2 is an enlarged longitudinal cross-sectional view of the sliding portion, and FIG. 3 is an enlarged longitudinal cross-sectional view of the sliding portion of an embodiment of the present invention. 2... Insertion tube, 2a... Middle thick walled part of the inlet tube, 3.
... Socket pipe, 3a... Socket pipe front end, 4 Middle relative sliding part, 5... Sediment inflow prevention plate, 10... Space, 18...
- Annular recess, 18a...large diameter part, 18b...small diameter part, 18C...slanted part, 18d...front side, 18e...
... Rear side, 19a, '19b... Backup ring, 20... Seal material, 21-... Pressing device, 21a
-...Press surface, 24a, 24b...Tapered surface of backup ring.
Claims (1)
管と、該挿口管側力ζら受口管と挿口管の相対摺動部を
覆う様に延設された土砂流入防止板とを備えた中間スリ
ーブにおいて、前記受口管外周に形成した環状凹部に、
一対のバックアップリングと、これらバックアップリン
グ間に配置したシール材と、一方のバックアップリング
を他方に向かって押圧する押圧装置と収容したことを特
徴とする推進工法用中間スリーブ。A socket pipe, an insertion pipe inserted into the socket pipe so as to be relatively slidable, and a side force ζ of the socket pipe extended so as to cover the relative sliding portion of the socket pipe and the socket pipe. In the intermediate sleeve provided with a sediment inflow prevention plate, an annular recess formed on the outer periphery of the socket pipe,
1. An intermediate sleeve for a propulsion method, comprising a pair of backup rings, a sealing material disposed between the backup rings, and a pressing device for pressing one backup ring toward the other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16569781U JPS5872295U (en) | 1981-11-05 | 1981-11-05 | Intermediate sleeve for propulsion method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16569781U JPS5872295U (en) | 1981-11-05 | 1981-11-05 | Intermediate sleeve for propulsion method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5872295U true JPS5872295U (en) | 1983-05-16 |
| JPS621347Y2 JPS621347Y2 (en) | 1987-01-13 |
Family
ID=29957886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16569781U Granted JPS5872295U (en) | 1981-11-05 | 1981-11-05 | Intermediate sleeve for propulsion method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5872295U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5517857U (en) * | 1978-07-19 | 1980-02-04 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL89230B1 (en) * | 1973-04-30 | 1976-11-30 |
-
1981
- 1981-11-05 JP JP16569781U patent/JPS5872295U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5517857U (en) * | 1978-07-19 | 1980-02-04 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS621347Y2 (en) | 1987-01-13 |
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