JPS6341696U - - Google Patents
Info
- Publication number
- JPS6341696U JPS6341696U JP13119686U JP13119686U JPS6341696U JP S6341696 U JPS6341696 U JP S6341696U JP 13119686 U JP13119686 U JP 13119686U JP 13119686 U JP13119686 U JP 13119686U JP S6341696 U JPS6341696 U JP S6341696U
- Authority
- JP
- Japan
- Prior art keywords
- pressure side
- back pressure
- main body
- relatively large
- sealing device
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 2
- 230000005641 tunneling Effects 0.000 claims 2
- 238000005192 partition Methods 0.000 claims 1
- 238000012856 packing Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図は本考案の一実施例を示す断面図、第２
図、第３図、第４図および第５図は変形例を示す
断面図、第６図および第７図は従来例を示す断面
図である。
図中、１，１１，１６はシールパツキン、１ａ
は取付背面部、２は本体、３，１２，１５は取付
受座、７はシール突起、Ｂは水圧側、Ｃは背圧側
である。
Fig. 1 is a sectional view showing one embodiment of the present invention;
3, 4 and 5 are sectional views showing modified examples, and FIGS. 6 and 7 are sectional views showing conventional examples. In the figure, 1, 11, 16 are seal packings, 1a
2 is the mounting back part, 2 is the main body, 3, 12, 15 are the mounting seats, 7 is the seal projection, B is the water pressure side, and C is the back pressure side.
Claims (1)
側と背圧側とに仕切るために背圧側となる掘進機
等の本体側にこれに沿つて周方向にシールパツキ
ンを取り付けてシールするシール装置において、
上記背圧側となる本体側に形成された取付受座に
上記シールパツキンを取り付けると共に、該パツ
キンの取付背面部と上記取付受座との間にそのど
ちらか一方の面に沿つてリング状のシール突起を
設けたことを特徴とするシール装置。 In a sealing device that seals a relatively large opening diameter of a shield tunneling machine, etc., by attaching it circumferentially to the main body side of the tunneling machine, etc., which is the back pressure side, in order to partition the relatively large opening diameter into a water pressure side and a back pressure side,
The seal gasket is attached to the mounting seat formed on the main body side, which is the back pressure side, and a ring-shaped seal is installed between the mounting back surface of the gasket and the mounting seat along either side. A sealing device characterized by being provided with a protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13119686U JPS6341696U (en) | 1986-08-29 | 1986-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13119686U JPS6341696U (en) | 1986-08-29 | 1986-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6341696U true JPS6341696U (en) | 1988-03-18 |
Family
ID=31029416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13119686U Pending JPS6341696U (en) | 1986-08-29 | 1986-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6341696U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007211517A (en) * | 2006-02-10 | 2007-08-23 | Ishikawajima Harima Heavy Ind Co Ltd | Shield excavation machine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5731400B2 (en) * | 1977-03-11 | 1982-07-05 |
-
1986
- 1986-08-29 JP JP13119686U patent/JPS6341696U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5731400B2 (en) * | 1977-03-11 | 1982-07-05 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007211517A (en) * | 2006-02-10 | 2007-08-23 | Ishikawajima Harima Heavy Ind Co Ltd | Shield excavation machine |