JPS5143995B2 - - Google Patents
Info
- Publication number
- JPS5143995B2 JPS5143995B2 JP484974A JP484974A JPS5143995B2 JP S5143995 B2 JPS5143995 B2 JP S5143995B2 JP 484974 A JP484974 A JP 484974A JP 484974 A JP484974 A JP 484974A JP S5143995 B2 JPS5143995 B2 JP S5143995B2
- Authority
- JP
- Japan
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732331989 DE2331989A1 (de) | 1973-06-20 | 1973-06-20 | Stopfenstange fuer kontinuierliche rohrwalzwerke |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5017362A JPS5017362A (enExample) | 1975-02-24 |
| JPS5143995B2 true JPS5143995B2 (enExample) | 1976-11-25 |
Family
ID=5884871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP484974A Expired JPS5143995B2 (enExample) | 1973-06-20 | 1973-12-29 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5143995B2 (enExample) |
| DE (1) | DE2331989A1 (enExample) |
| FR (1) | FR2234052B3 (enExample) |
| GB (1) | GB1470078A (enExample) |
| IT (1) | IT1015062B (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2716315C2 (de) * | 1977-04-07 | 1978-11-16 | Mannesmann Ag, 4000 Duesseldorf | Innengekühlter Rohrwalzdorn |
| JPS5516744A (en) * | 1978-07-21 | 1980-02-05 | Fuji Electric Co Ltd | 12% chrome steel turbine rotor |
| FR2557819B1 (fr) * | 1984-01-05 | 1986-05-02 | Vallourec | Procede permettant d'accroitre les performances des laminoirs a pas de pelerin a froid, et dispositif pour la mise en oeuvre de ce procede |
| US4866968A (en) * | 1987-06-17 | 1989-09-19 | Westinghouse Electric Corp. | High strength cemented carbide dies and mandrels for a pilgering machine |
| DE3844163A1 (de) * | 1988-12-23 | 1990-07-05 | Mannesmann Ag | Verfahren und vorrichtung zum schmieren des dornes beim herstellen nahtloser rohre nach dem kaltpilgerverfahren |
| DE102013211059A1 (de) * | 2013-06-13 | 2014-12-18 | Sms Meer Gmbh | Warmwerkzeug, insbesondere Walzstange |
-
1973
- 1973-06-20 DE DE19732331989 patent/DE2331989A1/de active Pending
- 1973-12-29 JP JP484974A patent/JPS5143995B2/ja not_active Expired
-
1974
- 1974-06-14 IT IT2397274A patent/IT1015062B/it active
- 1974-06-17 FR FR7420950A patent/FR2234052B3/fr not_active Expired
- 1974-06-19 GB GB2725074A patent/GB1470078A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT1015062B (it) | 1977-05-10 |
| JPS5017362A (enExample) | 1975-02-24 |
| FR2234052A1 (enExample) | 1975-01-17 |
| DE2331989A1 (de) | 1975-01-23 |
| GB1470078A (en) | 1977-04-14 |
| FR2234052B3 (enExample) | 1977-04-15 |