JPH0190896U - - Google Patents
Info
- Publication number
- JPH0190896U JPH0190896U JP18564387U JP18564387U JPH0190896U JP H0190896 U JPH0190896 U JP H0190896U JP 18564387 U JP18564387 U JP 18564387U JP 18564387 U JP18564387 U JP 18564387U JP H0190896 U JPH0190896 U JP H0190896U
- Authority
- JP
- Japan
- Prior art keywords
- tube
- propulsion
- injection hole
- end surface
- hole
- 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
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims 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
その一部を省略した縦断側面図、第2図は注入孔
を設けた外周部の縦断側面図、第3図はその分岐
孔部の拡大断面図、第4図及び第5図は夫々第1
図A―A線、B―B線における縦断正面図、第6
図は最前部の管の注入孔部を示す管外周部の縦断
側面図である。
1…管主体、3…小口径孔、5…注入孔、6…
分岐孔、7…逆止弁。
The drawings show an embodiment of the present invention; Fig. 1 is a partially omitted vertical side view, Fig. 2 is a longitudinal side view of the outer periphery where the injection hole is provided, and Fig. 3 is the branch hole portion thereof. The enlarged cross-sectional view of FIG. 4 and FIG.
Figure A-A line, longitudinal sectional front view along B-B line, No. 6
The figure is a vertical cross-sectional side view of the outer circumferential portion of the tube showing the injection hole portion of the tube at the forefront. 1...Pipe main body, 3...Small diameter hole, 5...Injection hole, 6...
Branch hole, 7... check valve.
Claims (1)
かつて小径の注入孔5を穿設していることを特徴
とする推進用管体。 上記注入孔5は分岐孔6を通じて管主体1の
外周面に開口している実用新案登録請求の範囲第
1項記載の推進用管体。 分岐孔6に逆止弁4を設けた実用新案登録請
求の範囲第1項又は第2項記載の推進用管体。[Claims for Utility Model Registration] A propulsion tube body characterized in that a small-diameter injection hole 5 is bored inside the outer periphery of the tube body 1 from the rear end surface toward the front end surface. The propulsion tube according to claim 1, wherein the injection hole 5 opens on the outer peripheral surface of the tube main body 1 through a branch hole 6. A propulsion pipe body according to claim 1 or 2, which is provided with a check valve 4 in the branch hole 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18564387U JPH0190896U (en) | 1987-12-04 | 1987-12-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18564387U JPH0190896U (en) | 1987-12-04 | 1987-12-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0190896U true JPH0190896U (en) | 1989-06-14 |
Family
ID=31476919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18564387U Pending JPH0190896U (en) | 1987-12-04 | 1987-12-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0190896U (en) |
-
1987
- 1987-12-04 JP JP18564387U patent/JPH0190896U/ja active Pending