FR2322674B1 - - Google Patents
Info
- Publication number
- FR2322674B1 FR2322674B1 FR7400817A FR7400817A FR2322674B1 FR 2322674 B1 FR2322674 B1 FR 2322674B1 FR 7400817 A FR7400817 A FR 7400817A FR 7400817 A FR7400817 A FR 7400817A FR 2322674 B1 FR2322674 B1 FR 2322674B1
- Authority
- FR
- France
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B25/00—Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B17/00; Accessories or auxiliary means therefor ; Construction of, or alloys for, mandrels or plugs
- B21B25/06—Interchanging mandrels, fixing plugs on mandrel rods or cooling during interchanging mandrels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chutes (AREA)
- Metal Extraction Processes (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7400817A FR2322674A1 (fr) | 1974-01-10 | 1974-01-10 | Dispositif de changement mecanique de mandrins pour laminoirs |
| US05/538,934 US3955392A (en) | 1974-01-10 | 1975-01-06 | Device for changing mandrels in tube rolling mills |
| DE2500369A DE2500369C3 (de) | 1974-01-10 | 1975-01-07 | Vorrichtung zum Zuführen und Abfördern von Dornen in Rohrwalzwerken |
| JP50005033A JPS5748285B2 (US06373033-20020416-M00002.png) | 1974-01-10 | 1975-01-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7400817A FR2322674A1 (fr) | 1974-01-10 | 1974-01-10 | Dispositif de changement mecanique de mandrins pour laminoirs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2322674A1 FR2322674A1 (fr) | 1977-04-01 |
| FR2322674B1 true FR2322674B1 (US06373033-20020416-M00002.png) | 1978-02-17 |
Family
ID=9133324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7400817A Granted FR2322674A1 (fr) | 1974-01-10 | 1974-01-10 | Dispositif de changement mecanique de mandrins pour laminoirs |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3955392A (US06373033-20020416-M00002.png) |
| JP (1) | JPS5748285B2 (US06373033-20020416-M00002.png) |
| DE (1) | DE2500369C3 (US06373033-20020416-M00002.png) |
| FR (1) | FR2322674A1 (US06373033-20020416-M00002.png) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4028923A (en) * | 1976-05-04 | 1977-06-14 | Aetna-Standard Engineering Company | Plug and shoe changing in piercing and reeling mills |
| US4038854A (en) * | 1976-05-04 | 1977-08-02 | Aetna-Standard Engineering Company | Plug changer for plug mill |
| EP0698426A1 (de) * | 1994-08-18 | 1996-02-28 | MANNESMANN Aktiengesellschaft | Walzdornwechselvorrichtung für Stopfenwalzwerke |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE235999C (US06373033-20020416-M00002.png) * | 1910-12-24 | |||
| US1931571A (en) * | 1931-08-04 | 1933-10-24 | Frank J Burns | Plug bar for seamless tube mills |
| US2583834A (en) * | 1948-09-03 | 1952-01-29 | United States Steel Corp | Automatic twin bar-bridge bench piercer mill |
| US2771800A (en) * | 1952-03-06 | 1956-11-27 | United States Steel Corp | Plug rolling mill |
| DE1082214B (de) * | 1957-07-11 | 1960-05-25 | Mannesmann Meer Ag | Rohrfuehrung an der Auslaufseite eines Schraegwalzwerkes |
| DE1452043A1 (de) * | 1963-08-01 | 1969-04-24 | Schloemann Ag | Vorrichtung zur Aufnahme,Zentrierung und zum Abstreifen des Dornes von der Dornstange fuer Aufweite-,Glaett- und Lochwalzwerke |
| US3277687A (en) * | 1963-09-09 | 1966-10-11 | Gen Mills Inc | Plug handling apparatus for seamless tube mill |
| US3382798A (en) * | 1965-10-21 | 1968-05-14 | Homer L. Bishop | Method of shaping the image bearing surface of printing plates |
| BE715196A (US06373033-20020416-M00002.png) * | 1967-05-18 | 1968-09-30 | ||
| GB1333956A (en) * | 1971-04-19 | 1973-10-17 | Nippon Kokan Kk | Mandrel assembly and a method of ejecting a plug from a mandrel |
| DE2163818A1 (de) * | 1971-12-17 | 1973-06-20 | Mannesmann Roehren Werke Ag | Stopfen fuer rohrwalzwerk |
-
1974
- 1974-01-10 FR FR7400817A patent/FR2322674A1/fr active Granted
-
1975
- 1975-01-06 US US05/538,934 patent/US3955392A/en not_active Expired - Lifetime
- 1975-01-07 DE DE2500369A patent/DE2500369C3/de not_active Expired
- 1975-01-10 JP JP50005033A patent/JPS5748285B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2322674A1 (fr) | 1977-04-01 |
| JPS5748285B2 (US06373033-20020416-M00002.png) | 1982-10-15 |
| DE2500369A1 (de) | 1975-07-17 |
| DE2500369C3 (de) | 1984-08-30 |
| US3955392A (en) | 1976-05-11 |
| JPS50102555A (US06373033-20020416-M00002.png) | 1975-08-13 |
| DE2500369B2 (de) | 1981-09-24 |
