FR2214531B1 - - Google Patents
Info
- Publication number
- FR2214531B1 FR2214531B1 FR7402123A FR7402123A FR2214531B1 FR 2214531 B1 FR2214531 B1 FR 2214531B1 FR 7402123 A FR7402123 A FR 7402123A FR 7402123 A FR7402123 A FR 7402123A FR 2214531 B1 FR2214531 B1 FR 2214531B1
- 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
- B21B25/04—Cooling or lubricating mandrels during operation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT1949673A IT981009B (it) | 1973-01-23 | 1973-01-23 | Procedimento per laminare tubi senza saldatura e apparecchiatu ra per l attuazione del medesimo procedimento |
US43504674A | 1974-01-21 | 1974-01-21 | |
US523178A US3921430A (en) | 1973-01-23 | 1974-11-12 | Apparatus for rolling seamless tubes |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2214531A1 FR2214531A1 (sv) | 1974-08-19 |
FR2214531B1 true FR2214531B1 (sv) | 1976-10-08 |
Family
ID=27272971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7402123A Expired FR2214531B1 (sv) | 1973-01-23 | 1974-01-22 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3921430A (sv) |
DE (1) | DE2403216A1 (sv) |
FR (1) | FR2214531B1 (sv) |
GB (1) | GB1433452A (sv) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1931912A (en) * | 1930-04-08 | 1933-10-24 | Aluminum Co Of America | Method of forming aluminum |
US2245656A (en) * | 1939-09-27 | 1941-06-17 | Youngstown Sheet And Tube Co | Water-cooled guide shoe for piercing mills |
NL130355C (sv) * | 1964-09-09 | |||
US3392565A (en) * | 1965-02-15 | 1968-07-16 | Blaw Knox Co | Manufacture of seamless tubing |
DE2054528C3 (de) * | 1970-11-05 | 1981-07-23 | Vsesojuznyj naučno-issledovatel'skij i konstruktorsko-technologičeskij institut trubnoj promyšlennosti, Dnepropetrovsk | Vorrichtung zum Härten von Rohren aus der Walzhitze |
IT941176B (it) * | 1971-11-17 | 1973-03-01 | Froferzi Ilario | Dispositivo di convogliamento del fluido refrigerante e lubrificante im laminatoi a gabbie multiple per la lavorazione di barre e fili me tallici |
-
1974
- 1974-01-22 FR FR7402123A patent/FR2214531B1/fr not_active Expired
- 1974-01-22 GB GB302074A patent/GB1433452A/en not_active Expired
- 1974-01-23 DE DE2403216A patent/DE2403216A1/de active Pending
- 1974-11-12 US US523178A patent/US3921430A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE2403216A1 (de) | 1974-08-01 |
GB1433452A (en) | 1976-04-28 |
US3921430A (en) | 1975-11-25 |
FR2214531A1 (sv) | 1974-08-19 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |