JPS531374A - Producting method of continuous sp iral fin - Google Patents
Producting method of continuous sp iral finInfo
- Publication number
- JPS531374A JPS531374A JP7552376A JP7552376A JPS531374A JP S531374 A JPS531374 A JP S531374A JP 7552376 A JP7552376 A JP 7552376A JP 7552376 A JP7552376 A JP 7552376A JP S531374 A JPS531374 A JP S531374A
- Authority
- JP
- Japan
- Prior art keywords
- continuous
- iral
- fin
- producting method
- producting
- 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
Landscapes
- Turning (AREA)
Abstract
PURPOSE: To produce a continuous spiral fin extremely simply without creases by continuously spirally cutting out the end of a metal pipe axially while rotating the pipe.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7552376A JPS531374A (en) | 1976-06-28 | 1976-06-28 | Producting method of continuous sp iral fin |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7552376A JPS531374A (en) | 1976-06-28 | 1976-06-28 | Producting method of continuous sp iral fin |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS531374A true JPS531374A (en) | 1978-01-09 |
Family
ID=13578666
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7552376A Pending JPS531374A (en) | 1976-06-28 | 1976-06-28 | Producting method of continuous sp iral fin |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS531374A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4937461A (en) * | 1972-08-11 | 1974-04-08 |
-
1976
- 1976-06-28 JP JP7552376A patent/JPS531374A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4937461A (en) * | 1972-08-11 | 1974-04-08 |
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