JPS636289U - - Google Patents
Info
- Publication number
- JPS636289U JPS636289U JP9909486U JP9909486U JPS636289U JP S636289 U JPS636289 U JP S636289U JP 9909486 U JP9909486 U JP 9909486U JP 9909486 U JP9909486 U JP 9909486U JP S636289 U JPS636289 U JP S636289U
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical body
- parts
- spiral duct
- metal
- joined
- 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
- 229910052751 metal Inorganic materials 0.000 claims 2
- 239000002184 metal Substances 0.000 claims 2
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 229910001385 heavy metal Inorganic materials 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Description
図は本考案の実施例を示すものであり第１図及
び第２図は正面図である。第３図及び第４図は同
上拡大断面図である。
ａはダクト本体、１……はぜ合せ、２……フイ
ン状突起部。
The drawings show an embodiment of the present invention, and FIGS. 1 and 2 are front views. 3 and 4 are enlarged sectional views of the same as above. a is the duct body, 1...the seam, 2...the fin-like protrusion.
Claims (1)
板の端縁をはぜ合せ１するとともに螺旋状に捲回
して円筒状体を形成するスパイラルダクトａに於
て前記はぜ合せ１，１の部分の相隣る部分の中間
位置に１条又は数条のフイン状突起部２…２を円
筒状体の内周部若しくは外周部の前記円筒状体の
１方の周面部に形成してなるスパイラルダクト等
の円筒構造体。 In a spiral duct a in which the edges of light metal and heavy metal thin plates such as metal-treated steel sheets of a predetermined width are joined together 1 and spirally wound to form a cylindrical body, the parts of said joined parts 1 and 1 are A spiral duct in which one or several fin-like protrusions 2...2 are formed on one circumferential surface of the cylindrical body at the inner or outer circumference of the cylindrical body at an intermediate position between adjacent parts. etc. cylindrical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9909486U JPS636289U (en) | 1986-06-30 | 1986-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9909486U JPS636289U (en) | 1986-06-30 | 1986-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS636289U true JPS636289U (en) | 1988-01-16 |
Family
ID=30967661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9909486U Pending JPS636289U (en) | 1986-06-30 | 1986-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS636289U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2023509326A (en) * | 2019-12-11 | 2023-03-08 | ポスコホールディングス インコーポレーティッド | Spiral tube |
-
1986
- 1986-06-30 JP JP9909486U patent/JPS636289U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2023509326A (en) * | 2019-12-11 | 2023-03-08 | ポスコホールディングス インコーポレーティッド | Spiral tube |