JPH03123184U - - Google Patents
Info
- Publication number
- JPH03123184U JPH03123184U JP3246390U JP3246390U JPH03123184U JP H03123184 U JPH03123184 U JP H03123184U JP 3246390 U JP3246390 U JP 3246390U JP 3246390 U JP3246390 U JP 3246390U JP H03123184 U JPH03123184 U JP H03123184U
- Authority
- JP
- Japan
- Prior art keywords
- rolled
- joined
- width
- tubular body
- tubular
- 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
- 238000005096 rolling process Methods 0.000 claims 4
- 239000002994 raw material Substances 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Description
第１図は本考案の第１実施例の外装管の斜視図
、第２図は第１図の外装管の製造過程を示す斜視
図、第３図は本考案の第２実施例の外装鋼管の斜
視図、第４図は第３図の外装管の製造過程を示す
斜視図、第５図は従来の外装管およびその製造過
程の一例を示す斜視図、第６図は下水用推進管の
断面図である。
１２ａ，１２ｂ……長方形板、１３……重ね合
せ溶接部、２２ａ，２２ｂ……長方形板、２３…
…突き合わせ溶接部、２４……重ね合わせ溶接部
。
Fig. 1 is a perspective view of an armored pipe according to the first embodiment of the present invention, Fig. 2 is a perspective view showing the manufacturing process of the armored pipe of Fig. 1, and Fig. 3 is an armored steel pipe according to the second embodiment of the invention. Figure 4 is a perspective view showing the manufacturing process of the armored pipe in Figure 3, Figure 5 is a perspective view showing an example of a conventional armored pipe and its manufacturing process, and Figure 6 is a perspective view of the sewage propulsion pipe. FIG. 12a, 12b...Rectangular plate, 13...Overlapping welded portion, 22a, 22b...Rectangular plate, 23...
...butt weld, 24...overlap weld.
Claims (1)
れた素材板から採取された一対の長方形板を、重
ね合わせ接合によつて前記圧延幅の方向に継ぎ合
わせ、この継ぎ合わされた板体を、前記圧延幅の
方向が周方向となるように管状に丸め、丸められ
た管状体の周方向の端部どうしを、この管状体の
軸方向にわたつて重ね合わせ接合したことを特徴
とする推進管の外装管。 ２ 一定長さの圧延幅をもつて任意長さに圧延さ
れた素材板から採取された一対の長方形板を、突
き合わせ接合によつて前記圧延幅の方向に継ぎ合
わせ、この継ぎ合わされた板体を、前記圧延幅の
方向が周方向となるように管状に丸め、丸められ
た管状体の周方向の端部どうしを、この管状体の
軸方向にわたつて重ね合わせ接合したことを特徴
とする推進管の外装管。[Claims for Utility Model Registration] 1. A pair of rectangular plates taken from a raw material plate rolled to an arbitrary length with a constant rolling width are joined in the direction of the rolling width by overlapping and joining. The joined plate bodies are rolled into a tubular shape so that the direction of the rolled width is in the circumferential direction, and the circumferential ends of the rolled tubular bodies are overlapped in the axial direction of the tubular body. An exterior tube for a propulsion tube characterized by being joined together. 2 A pair of rectangular plates taken from a raw material plate rolled to an arbitrary length with a constant rolling width are joined together in the direction of said rolling width by butt joining, and this joined plate body is , a propulsion characterized in that the rolled tubular body is rolled into a tubular shape so that the direction of the rolled width is in the circumferential direction, and the ends of the rolled tubular body in the circumferential direction are overlapped and joined in the axial direction of the tubular body. Pipe outer tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3246390U JPH03123184U (en) | 1990-03-27 | 1990-03-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3246390U JPH03123184U (en) | 1990-03-27 | 1990-03-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03123184U true JPH03123184U (en) | 1991-12-16 |
Family
ID=31535456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3246390U Pending JPH03123184U (en) | 1990-03-27 | 1990-03-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03123184U (en) |
-
1990
- 1990-03-27 JP JP3246390U patent/JPH03123184U/ja active Pending
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