JPS61138414U - - Google Patents
Info
- Publication number
- JPS61138414U JPS61138414U JP2160585U JP2160585U JPS61138414U JP S61138414 U JPS61138414 U JP S61138414U JP 2160585 U JP2160585 U JP 2160585U JP 2160585 U JP2160585 U JP 2160585U JP S61138414 U JPS61138414 U JP S61138414U
- Authority
- JP
- Japan
- Prior art keywords
- tube body
- circular tube
- ribs
- utility
- registration request
- 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
Description
第１図は組合せ型の内面らせんリブ付管の一例
を示す縦断側面図である。 図中、１：管本体、２：リブ。
を示す縦断側面図である。 図中、１：管本体、２：リブ。
Claims (1)
- 円管本体内にらせんコイル状のリブを装着して
なる内面らせんリブ付管において、リブを円管本
体材よりも線膨張係数の大きな材料で形成したこ
とを特徴とする内面らせんリブ付管。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2160585U JPS61138414U (ja) | 1985-02-18 | 1985-02-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2160585U JPS61138414U (ja) | 1985-02-18 | 1985-02-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61138414U true JPS61138414U (ja) | 1986-08-28 |
Family
ID=30513147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2160585U Pending JPS61138414U (ja) | 1985-02-18 | 1985-02-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61138414U (ja) |
-
1985
- 1985-02-18 JP JP2160585U patent/JPS61138414U/ja active Pending