JPS6235843B2 - - Google Patents
Info
- Publication number
- JPS6235843B2 JPS6235843B2 JP4602481A JP4602481A JPS6235843B2 JP S6235843 B2 JPS6235843 B2 JP S6235843B2 JP 4602481 A JP4602481 A JP 4602481A JP 4602481 A JP4602481 A JP 4602481A JP S6235843 B2 JPS6235843 B2 JP S6235843B2
- Authority
- JP
- Japan
- Prior art keywords
- bar
- core metal
- rolls
- core
- hollow
- 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
- 239000000463 material Substances 0.000 claims description 42
- 229910052751 metal Inorganic materials 0.000 claims description 39
- 239000002184 metal Substances 0.000 claims description 38
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 description 14
- 238000001816 cooling Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 5
- 238000005553 drilling Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B23/00—Tube-rolling not restricted to methods provided for in only one of groups B21B17/00, B21B19/00, B21B21/00, e.g. combined processes planetary tube rolling, auxiliary arrangements, e.g. lubricating, special tube blanks, continuous casting combined with tube rolling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Extraction Processes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4602481A JPS57159204A (en) | 1981-03-28 | 1981-03-28 | Production of seamless pipe of infinite length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4602481A JPS57159204A (en) | 1981-03-28 | 1981-03-28 | Production of seamless pipe of infinite length |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57159204A JPS57159204A (en) | 1982-10-01 |
| JPS6235843B2 true JPS6235843B2 (enrdf_load_stackoverflow) | 1987-08-04 |
Family
ID=12735473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4602481A Granted JPS57159204A (en) | 1981-03-28 | 1981-03-28 | Production of seamless pipe of infinite length |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57159204A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6414053A (en) * | 1987-07-08 | 1989-01-18 | Toshiba Corp | Thermal head |
-
1981
- 1981-03-28 JP JP4602481A patent/JPS57159204A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6414053A (en) * | 1987-07-08 | 1989-01-18 | Toshiba Corp | Thermal head |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57159204A (en) | 1982-10-01 |
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