JPS6239855Y2 - - Google Patents
Info
- Publication number
- JPS6239855Y2 JPS6239855Y2 JP17953582U JP17953582U JPS6239855Y2 JP S6239855 Y2 JPS6239855 Y2 JP S6239855Y2 JP 17953582 U JP17953582 U JP 17953582U JP 17953582 U JP17953582 U JP 17953582U JP S6239855 Y2 JPS6239855 Y2 JP S6239855Y2
- Authority
- JP
- Japan
- Prior art keywords
- tube
- plug
- grooved
- die
- attached
- 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.)
- Expired
Links
- 238000005096 rolling process Methods 0.000 claims description 18
- 238000013459 approach Methods 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 238000003825 pressing Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 description 22
- 239000000463 material Substances 0.000 description 19
- 238000012545 processing Methods 0.000 description 8
- 239000010687 lubricating oil Substances 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000011946 reduction process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Bending Of Plates, Rods, And Pipes (AREA)
- Metal Extraction Processes (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17953582U JPS5985617U (ja) | 1982-11-26 | 1982-11-26 | 内面溝付管の製造装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17953582U JPS5985617U (ja) | 1982-11-26 | 1982-11-26 | 内面溝付管の製造装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5985617U JPS5985617U (ja) | 1984-06-09 |
JPS6239855Y2 true JPS6239855Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-10-12 |
Family
ID=30389517
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17953582U Granted JPS5985617U (ja) | 1982-11-26 | 1982-11-26 | 内面溝付管の製造装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5985617U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
1982
- 1982-11-26 JP JP17953582U patent/JPS5985617U/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5985617U (ja) | 1984-06-09 |