JPH03123183U - - Google Patents
Info
- Publication number
- JPH03123183U JPH03123183U JP3246490U JP3246490U JPH03123183U JP H03123183 U JPH03123183 U JP H03123183U JP 3246490 U JP3246490 U JP 3246490U JP 3246490 U JP3246490 U JP 3246490U JP H03123183 U JPH03123183 U JP H03123183U
- Authority
- JP
- Japan
- Prior art keywords
- tube
- concrete layer
- outer periphery
- exterior plate
- metal tube
- 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
- 239000002184 metal Substances 0.000 claims description 3
- 238000005452 bending Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Description
第１図は本考案の一実施例の推進管の縦断面図
、第２図は第１図における要部の拡大断面図、第
３図および第４図はそれぞれ本考案の他の実施例
の推進管の要部の拡大断面図、第５図は従来例の
推進管の縦断面図、第６図は従来例において推進
時に生ずる問題点を表わした推進管の要部の拡大
断面図である。
１……推進管、２……金属管、３……コンクリ
ート層、４……被覆板、５，８……折り曲げ部。
Fig. 1 is a longitudinal sectional view of a propulsion tube according to an embodiment of the present invention, Fig. 2 is an enlarged sectional view of the main parts in Fig. 1, and Figs. 3 and 4 are respectively of other embodiments of the present invention. FIG. 5 is an enlarged cross-sectional view of the main parts of the propulsion tube, FIG. 5 is a longitudinal cross-sectional view of the conventional propulsion tube, and FIG. 6 is an enlarged cross-sectional view of the main parts of the propulsion tube showing problems that occur during propulsion in the conventional example. . 1...Propulsion pipe, 2...Metal pipe, 3...Concrete layer, 4...Coating plate, 5, 8...Bending portion.
Claims (1)
コンクリート層の外周を外装板で被覆した推進管
において、外装板の端縁部を金属管の径方向の内
向きに折り曲げたことを特徴とする推進管。 A propulsion tube in which a concrete layer is formed on the outer periphery of a metal tube, and the outer periphery of this concrete layer is covered with an exterior plate, in which the end edge of the exterior plate is bent inward in the radial direction of the metal tube. tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3246490U JPH03123183U (en) | 1990-03-27 | 1990-03-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3246490U JPH03123183U (en) | 1990-03-27 | 1990-03-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03123183U true JPH03123183U (en) | 1991-12-16 |
Family
ID=31535457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3246490U Pending JPH03123183U (en) | 1990-03-27 | 1990-03-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03123183U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190003228A (en) * | 2017-06-30 | 2019-01-09 | (주)아모레퍼시픽 | Brush and mascara vessel having the same |
-
1990
- 1990-03-27 JP JP3246490U patent/JPH03123183U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190003228A (en) * | 2017-06-30 | 2019-01-09 | (주)아모레퍼시픽 | Brush and mascara vessel having the same |