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
Application number
FR7402123A
Other languages
French (fr)
Other versions
FR2214531A1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMS Group SpA
Original Assignee
Innocenti Santeustacchio SpA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from IT1949673A external-priority patent/IT981009B/en
Application filed by Innocenti Santeustacchio SpA filed Critical Innocenti Santeustacchio SpA
Publication of FR2214531A1 publication Critical patent/FR2214531A1/fr
Application granted granted Critical
Publication of FR2214531B1 publication Critical patent/FR2214531B1/fr
Expired legal-status Critical Current

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
FR7402123A 1973-01-23 1974-01-22 Expired FR2214531B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT1949673A IT981009B (en) 1973-01-23 1973-01-23 PROCEDURE FOR LAMINATING SEAMLESS PIPES AND EQUIPMENT FOR IMPLEMENTING THE SAME PROCEDURE
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 (en) 1974-08-19
FR2214531B1 true FR2214531B1 (en) 1976-10-08

Family

ID=27272971

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7402123A Expired FR2214531B1 (en) 1973-01-23 1974-01-22

Country Status (4)

Country Link
US (1) US3921430A (en)
DE (1) DE2403216A1 (en)
FR (1) FR2214531B1 (en)
GB (1) GB1433452A (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
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 (en) * 1964-09-09
US3392565A (en) * 1965-02-15 1968-07-16 Blaw Knox Co Manufacture of seamless tubing
DE2054528C3 (en) * 1970-11-05 1981-07-23 Vsesojuznyj naučno-issledovatel'skij i konstruktorsko-technologičeskij institut trubnoj promyšlennosti, Dnepropetrovsk Device for hardening pipes from the rolling heat
IT941176B (en) * 1971-11-17 1973-03-01 Froferzi Ilario DEVICE FOR CONVEYING THE REFRIGERANT AND LUBRICANT FLUID IM MULTIPLE CAGE MILLS FOR MACHINING METALLIC BARS AND WIRES

Also Published As

Publication number Publication date
DE2403216A1 (en) 1974-08-01
FR2214531A1 (en) 1974-08-19
GB1433452A (en) 1976-04-28
US3921430A (en) 1975-11-25

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Legal Events

Date Code Title Description
ST Notification of lapse