DE3426224A1 - Walzwerk fuer nahtlose rohre - Google Patents
Walzwerk fuer nahtlose rohreInfo
- Publication number
- DE3426224A1 DE3426224A1 DE19843426224 DE3426224A DE3426224A1 DE 3426224 A1 DE3426224 A1 DE 3426224A1 DE 19843426224 DE19843426224 DE 19843426224 DE 3426224 A DE3426224 A DE 3426224A DE 3426224 A1 DE3426224 A1 DE 3426224A1
- Authority
- DE
- Germany
- Prior art keywords
- mandrel
- diescher
- elongation
- mill
- lengthening
- 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.)
- Granted
Links
- 238000005096 rolling process Methods 0.000 claims description 71
- 238000004519 manufacturing process Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims 1
- 238000009732 tufting Methods 0.000 claims 1
- 238000004513 sizing Methods 0.000 description 15
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 238000001816 cooling Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000251169 Alopias vulpinus Species 0.000 description 1
- 244000089486 Phragmites australis subsp australis Species 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009785 tube rolling Methods 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)
- Control Of Metal Rolling (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US51956483A | 1983-08-02 | 1983-08-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3426224A1 true DE3426224A1 (de) | 1985-02-21 |
| DE3426224C2 DE3426224C2 (enrdf_load_stackoverflow) | 1992-01-02 |
Family
ID=24068848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19843426224 Granted DE3426224A1 (de) | 1983-08-02 | 1984-07-17 | Walzwerk fuer nahtlose rohre |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS6076207A (enrdf_load_stackoverflow) |
| CA (1) | CA1247885A (enrdf_load_stackoverflow) |
| DE (1) | DE3426224A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2550719B1 (enrdf_load_stackoverflow) |
| GB (1) | GB2144352B (enrdf_load_stackoverflow) |
| ZA (1) | ZA845090B (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101927260A (zh) * | 2010-07-13 | 2010-12-29 | 江苏振达钢管集团 | 一种无缝钢管热轧多次穿孔生产工艺 |
| DE102015212905B4 (de) * | 2015-07-09 | 2020-10-01 | Sms Group Gmbh | Vorrichtung und Verfahren zur Herstellung nahtloser Rohre |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1949933A (en) * | 1932-03-25 | 1934-03-06 | Grasselli Chemical Co | Sulphur burner |
| US1951348A (en) * | 1932-09-02 | 1934-03-20 | Diescher Tube Mills Inc | Method of cross-rolling |
| AT141728B (de) * | 1931-04-04 | 1935-05-10 | Diescher & Sons S | Verfahren zur Herstellung nahtloser Rohre. |
| US2006336A (en) * | 1933-05-22 | 1935-07-02 | Diescher Tube Mills Inc | Tube elongating apparatus and method |
| US2048925A (en) * | 1933-10-19 | 1936-07-28 | Diescher Tube Mills Inc | Tube manufacturing apparatus |
| US3593553A (en) * | 1968-07-12 | 1971-07-20 | Blaw Knox Co | Method and apparatus for rolling tubes |
| DE2949970A1 (de) * | 1978-12-15 | 1980-07-03 | Vallourec Lorraine Escaut | Anlage zur herstellung von nahtlosen metallrohren grossen durchmessers |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1946933A (en) * | 1932-03-31 | 1934-02-13 | Diescher Tube Mills Inc | Tube-making apparatus |
| GB1575859A (en) * | 1977-04-18 | 1980-10-01 | Aetna Standard Eng Co | Process for the production of seamless tubular products |
| GB2089702B (en) * | 1980-12-19 | 1984-08-30 | Nippon Kokan Kk | Method of manufacturing seamless steel pipes |
| GB2099346B (en) * | 1981-04-16 | 1985-03-13 | Head Wrightson Mach | Tube rolling mill |
-
1984
- 1984-05-25 CA CA000455211A patent/CA1247885A/en not_active Expired
- 1984-06-28 GB GB08416450A patent/GB2144352B/en not_active Expired
- 1984-07-03 ZA ZA845090A patent/ZA845090B/xx unknown
- 1984-07-17 DE DE19843426224 patent/DE3426224A1/de active Granted
- 1984-07-31 JP JP59161437A patent/JPS6076207A/ja active Granted
- 1984-08-01 FR FR8412207A patent/FR2550719B1/fr not_active Expired
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT141728B (de) * | 1931-04-04 | 1935-05-10 | Diescher & Sons S | Verfahren zur Herstellung nahtloser Rohre. |
| US1949933A (en) * | 1932-03-25 | 1934-03-06 | Grasselli Chemical Co | Sulphur burner |
| US1951348A (en) * | 1932-09-02 | 1934-03-20 | Diescher Tube Mills Inc | Method of cross-rolling |
| US2006336A (en) * | 1933-05-22 | 1935-07-02 | Diescher Tube Mills Inc | Tube elongating apparatus and method |
| US2048925A (en) * | 1933-10-19 | 1936-07-28 | Diescher Tube Mills Inc | Tube manufacturing apparatus |
| US3593553A (en) * | 1968-07-12 | 1971-07-20 | Blaw Knox Co | Method and apparatus for rolling tubes |
| DE2949970A1 (de) * | 1978-12-15 | 1980-07-03 | Vallourec Lorraine Escaut | Anlage zur herstellung von nahtlosen metallrohren grossen durchmessers |
Non-Patent Citations (7)
| Title |
|---|
| DE-Buch: "Herstellung von Rohren", Autorenkollektiv, 1975, Verlag Stahleisen m.B.H., Düsseldorf, S. 6, 7, 9 * |
| DE-Firmendruckschrift: "DEMAG-Nachrichten", Juli 1934, S. C 22-C 24 * |
| DE-Zeitschrift: "Bleche Rohre Profile", 1970, Nr. 12, S. 79-81 * |
| GROTHE, Hans, Lexikon der Hüttentechnik, Bd. 5, Deutsche Verlags-Anstalt Stuttgart, 1963, S. 568, 569 * |
| MÜLLER, Hans Günter, OPPERER, Manfred: Das Stahlrohr, Verlag Stahleisen mbH, Düsseldorf, 1974, S. 76 * |
| NEUMANN, Dr. H.: Stahlrohrherstellung, VEB Deutscher Verlag für Grundstoffindustrie, Leipzig, 1970, S. 32 * |
| US-FZ: "Iron and Steel Engineer", February 1968, S. 93-101 * |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2550719B1 (fr) | 1987-08-07 |
| FR2550719A1 (fr) | 1985-02-22 |
| CA1247885A (en) | 1989-01-03 |
| ZA845090B (en) | 1985-05-29 |
| GB2144352B (en) | 1986-06-04 |
| GB8416450D0 (en) | 1984-08-01 |
| JPS6076207A (ja) | 1985-04-30 |
| GB2144352A (en) | 1985-03-06 |
| JPH0224162B2 (enrdf_load_stackoverflow) | 1990-05-28 |
| DE3426224C2 (enrdf_load_stackoverflow) | 1992-01-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| 8128 | New person/name/address of the agent |
Representative=s name: TUERK, D., DIPL.-CHEM. DR.RER.NAT. GILLE, C., DIPL |
|
| 8127 | New person/name/address of the applicant |
Owner name: ITALIMPIANTI OF AMERICA INC., CORAOPOLIS, PA., US |
|
| 8128 | New person/name/address of the agent |
Representative=s name: SCHWABE, H., DIPL.-ING. SANDMAIR, K., DIPL.-CHEM. |
|
| 8128 | New person/name/address of the agent |
Representative=s name: TUERK, D., DIPL.-CHEM. DR.RER.NAT. GILLE, C., DIPL |
|
| D2 | Grant after examination | ||
| 8363 | Opposition against the patent | ||
| 8331 | Complete revocation |