BE387492A - - Google Patents
Info
- Publication number
- BE387492A BE387492A BE387492DA BE387492A BE 387492 A BE387492 A BE 387492A BE 387492D A BE387492D A BE 387492DA BE 387492 A BE387492 A BE 387492A
- Authority
- BE
- Belgium
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
- B21B19/02—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US527652A US1870209A (en) | 1931-04-04 | 1931-04-04 | Method of reducing and elongating tubular blanks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE387492A true BE387492A (en) |
Family
ID=24102362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE387492D BE387492A (en) | 1931-04-04 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US1870209A (en) |
| BE (1) | BE387492A (en) |
| DE (1) | DE649754C (en) |
| FR (1) | FR734256A (en) |
| GB (1) | GB380000A (en) |
| NL (1) | NL37171C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE747926C (en) * | 1936-10-02 | 1944-10-20 | Helical rolling mill | |
| NL207167A (en) * | 1955-05-17 | 1900-01-01 | Delta Kuehlschrank G M B H | |
| DE2156595C3 (en) * | 1971-11-11 | 1980-01-24 | Mannesmannroehren-Werke Ag, 4000 Duesseldorf | Tube piercing mill |
| JPS6059042B2 (en) * | 1981-04-10 | 1985-12-23 | 住友金属工業株式会社 | Manufacturing method of seamless steel pipe |
| DE4007406C2 (en) * | 1990-03-06 | 1994-01-20 | Mannesmann Ag | Process for the production of medium and thin-walled seamless pipes and rolling device for carrying out the process |
| CN105234179B (en) * | 2015-11-02 | 2017-03-22 | 浙江格洛斯无缝钢管有限公司 | Technique for sizing thick-walled seamless steel tubes through two-roller skew rolling mill and technique for rolling thick-walled seamless steel tubes through two-roller skew rolling mill |
-
0
- NL NL37171D patent/NL37171C/xx active
- BE BE387492D patent/BE387492A/xx unknown
-
1931
- 1931-04-04 US US527652A patent/US1870209A/en not_active Expired - Lifetime
-
1932
- 1932-03-16 GB GB7838/32A patent/GB380000A/en not_active Expired
- 1932-03-24 DE DED63180D patent/DE649754C/en not_active Expired
- 1932-03-26 FR FR734256D patent/FR734256A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1870209A (en) | 1932-08-02 |
| GB380000A (en) | 1932-09-08 |
| FR734256A (en) | 1932-10-19 |
| DE649754C (en) | 1937-09-07 |
| NL37171C (en) |