NL37171C - - Google Patents
Info
- Publication number
- NL37171C NL37171C NL37171DA NL37171C NL 37171 C NL37171 C NL 37171C NL 37171D A NL37171D A NL 37171DA NL 37171 C NL37171 C NL 37171C
- Authority
- NL
- Netherlands
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Metal Rolling (AREA)
- Metal Rolling (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Metal Extraction Processes (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
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 |
|---|---|
| NL37171C true NL37171C (zh) |
Family
ID=24102362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL37171D NL37171C (zh) | 1931-04-04 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US1870209A (zh) |
| BE (1) | BE387492A (zh) |
| DE (1) | DE649754C (zh) |
| FR (1) | FR734256A (zh) |
| GB (1) | GB380000A (zh) |
| NL (1) | NL37171C (zh) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE747926C (de) * | 1936-10-02 | 1944-10-20 | Schraegwalzwerk | |
| NL207167A (zh) * | 1955-05-17 | 1900-01-01 | Delta Kuehlschrank G M B H | |
| DE2156595C3 (de) * | 1971-11-11 | 1980-01-24 | Mannesmannroehren-Werke Ag, 4000 Duesseldorf | Rohrschrägwalzwerk |
| JPS6059042B2 (ja) * | 1981-04-10 | 1985-12-23 | 住友金属工業株式会社 | 継目無鋼管の製造方法 |
| DE4007406C2 (de) * | 1990-03-06 | 1994-01-20 | Mannesmann Ag | Verfahren zur Herstellung von mittel- und dünnwandigen nahtlosen Rohren und Walzeinrichtung zur Durchführung des Verfahrens |
| CN105234179B (zh) * | 2015-11-02 | 2017-03-22 | 浙江格洛斯无缝钢管有限公司 | 利用二辊斜轧机进行厚壁无缝钢管的定径工艺及轧制工艺 |
-
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/de not_active Expired
- 1932-03-26 FR FR734256D patent/FR734256A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1870209A (en) | 1932-08-02 |
| GB380000A (en) | 1932-09-08 |
| BE387492A (zh) | |
| DE649754C (de) | 1937-09-07 |
| FR734256A (fr) | 1932-10-19 |