JPS6331197U - - Google Patents
Info
- Publication number
- JPS6331197U JPS6331197U JP12254586U JP12254586U JPS6331197U JP S6331197 U JPS6331197 U JP S6331197U JP 12254586 U JP12254586 U JP 12254586U JP 12254586 U JP12254586 U JP 12254586U JP S6331197 U JPS6331197 U JP S6331197U
- Authority
- JP
- Japan
- Prior art keywords
- packing
- wellhead
- utility
- model registration
- provided radially
- 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
- 238000012856 packing Methods 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
図面は本考案の実施例を示すもので、第１図は
使用状態を示す縦断側面図、第２図は乃至第５図
は不透水膜を管体に被覆する場合の工程を示す縦
断側面図、第６図は後部パツキンの一部正面図、
第７図はその横断面図、第８図は後部パツキンの
別な実施例を示す一部正面図、第９図はその横断
面図、第１０図は後部パツキンのさらに別な実施
例を示す一部正面図、第１１図はその横断面図で
ある。
４…坑口、５，６…前後パツキン、８…螺子棒
、９，１０…押さえ板、１１…リング部材、２４
…ナツト、ａ…シールド掘削機、ｂ…管体。
The drawings show an embodiment of the present invention; FIG. 1 is a longitudinal side view showing the state of use, and FIGS. 2 to 5 are longitudinal side views showing the process of coating a pipe body with an impermeable membrane. , Figure 6 is a partial front view of the rear packing,
Fig. 7 is a cross-sectional view thereof, Fig. 8 is a partial front view showing another embodiment of the rear packing, Fig. 9 is a cross-sectional view thereof, and Fig. 10 is a further embodiment of the rear packing. A partial front view is shown, and FIG. 11 is a cross-sectional view thereof. 4... Pit mouth, 5, 6... Front and rear packing, 8... Screw rod, 9, 10... Holding plate, 11... Ring member, 24
...Natsuto, a...Shield excavator, b...Pipe body.
Claims (1)
出した前後パツキンを前後に適宜間隔を存して固
定し、これらの前後パツキンの内周部が互いに重
合可能に形成していることを特徴とする坑口パツ
キン。 前部パツキンに対向する後部パツキンの内周
部に内周端から外周方向に向かう複数条の溝を放
射状に設けている実用新案登録請求の範囲第１項
記載の坑口パツキン。 後部パツキンの内周端部に複数のスリツトを
放射状に設けている実用新案登録請求の範囲第１
項記載の坑口パツキン。[Scope of Claim for Utility Model Registration] Front and rear packings, whose inner peripheries protrude toward the mine entrance, are fixed at an appropriate distance in the front and rear around the pit, and the inner peripheries of these front and rear packings can overlap with each other. A wellhead gasket characterized by being formed. The wellhead packing according to claim 1, wherein a plurality of grooves are provided radially from the inner circumferential end toward the outer circumferential direction on the inner circumference of the rear packing opposite to the front packing. Utility model registration claim 1, in which a plurality of slits are provided radially on the inner circumferential end of the rear gasket
Wellhead packing described in section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986122545U JPH0412147Y2 (en) | 1986-08-08 | 1986-08-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986122545U JPH0412147Y2 (en) | 1986-08-08 | 1986-08-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6331197U true JPS6331197U (en) | 1988-02-29 |
| JPH0412147Y2 JPH0412147Y2 (en) | 1992-03-25 |
Family
ID=31012832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986122545U Expired JPH0412147Y2 (en) | 1986-08-08 | 1986-08-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0412147Y2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01270169A (en) * | 1988-04-21 | 1989-10-27 | Nippon Telegr & Teleph Corp <Ntt> | Language analyzer |
| JPH0223091U (en) * | 1988-07-28 | 1990-02-15 | ||
| JPH03290596A (en) * | 1990-04-07 | 1991-12-20 | Kanazawa Seisakusho:Kk | Tunnel segment connection structure in shaft |
| JP2010116735A (en) * | 2008-11-13 | 2010-05-27 | Fujita Corp | Entrance for starting shield machine |
| JP2012097421A (en) * | 2010-10-29 | 2012-05-24 | Daiei Kensetsu Kk | Water cut-off device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3326417B2 (en) * | 1999-12-24 | 2002-09-24 | 昭和工業株式会社 | Entrance seal device for tunnel machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4919765U (en) * | 1972-05-22 | 1974-02-19 | ||
| JPS50111843A (en) * | 1974-02-12 | 1975-09-02 | ||
| JPS60129396A (en) * | 1983-12-16 | 1985-07-10 | 五洋建設株式会社 | Water stopping method at insert end part in small diameter pipe propelling method |
-
1986
- 1986-08-08 JP JP1986122545U patent/JPH0412147Y2/ja not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4919765U (en) * | 1972-05-22 | 1974-02-19 | ||
| JPS50111843A (en) * | 1974-02-12 | 1975-09-02 | ||
| JPS60129396A (en) * | 1983-12-16 | 1985-07-10 | 五洋建設株式会社 | Water stopping method at insert end part in small diameter pipe propelling method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01270169A (en) * | 1988-04-21 | 1989-10-27 | Nippon Telegr & Teleph Corp <Ntt> | Language analyzer |
| JPH0223091U (en) * | 1988-07-28 | 1990-02-15 | ||
| JPH03290596A (en) * | 1990-04-07 | 1991-12-20 | Kanazawa Seisakusho:Kk | Tunnel segment connection structure in shaft |
| JP2010116735A (en) * | 2008-11-13 | 2010-05-27 | Fujita Corp | Entrance for starting shield machine |
| JP2012097421A (en) * | 2010-10-29 | 2012-05-24 | Daiei Kensetsu Kk | Water cut-off device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0412147Y2 (en) | 1992-03-25 |