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IT1110209B - PROCEDURE AND LAMINATION DEVICE - Google Patents

PROCEDURE AND LAMINATION DEVICE

Info

Publication number
IT1110209B
IT1110209B IT20441/79A IT2044179A IT1110209B IT 1110209 B IT1110209 B IT 1110209B IT 20441/79 A IT20441/79 A IT 20441/79A IT 2044179 A IT2044179 A IT 2044179A IT 1110209 B IT1110209 B IT 1110209B
Authority
IT
Italy
Prior art keywords
procedure
lamination device
lamination
Prior art date
Application number
IT20441/79A
Other languages
Italian (it)
Other versions
IT7920441A0 (en
Inventor
Jean Marc Jour
Original Assignee
Vallourec Lorraine Escaut
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
Application filed by Vallourec Lorraine Escaut filed Critical Vallourec Lorraine Escaut
Publication of IT7920441A0 publication Critical patent/IT7920441A0/en
Application granted granted Critical
Publication of IT1110209B publication Critical patent/IT1110209B/en

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)
  • Heat Treatment Of Articles (AREA)
  • Sampling And Sample Adjustment (AREA)
IT20441/79A 1978-02-23 1979-02-22 PROCEDURE AND LAMINATION DEVICE IT1110209B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7805196A FR2418037A1 (en) 1978-02-23 1978-02-23 Extn. of mandrels from pierced tube blanks - on piercing rolling mill, using an extractor where a clamping head draws the mandrel out of the pierced blank

Publications (2)

Publication Number Publication Date
IT7920441A0 IT7920441A0 (en) 1979-02-22
IT1110209B true IT1110209B (en) 1985-12-23

Family

ID=9204950

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20441/79A IT1110209B (en) 1978-02-23 1979-02-22 PROCEDURE AND LAMINATION DEVICE

Country Status (4)

Country Link
JP (1) JPS54163766A (en)
DE (1) DE2906861A1 (en)
FR (1) FR2418037A1 (en)
IT (1) IT1110209B (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE440647C (en) *
US1946933A (en) * 1932-03-31 1934-02-13 Diescher Tube Mills Inc Tube-making apparatus
BE491444A (en) * 1948-12-01
FR2080943B1 (en) * 1970-01-30 1974-02-15 Mannesmann Ag
DE2347385A1 (en) * 1973-09-17 1975-03-27 Mannesmann Meer Ag Quick release arrangement for piercing mill mandrels - with radially movable locking elements operated by moving bolt in mandrel rod

Also Published As

Publication number Publication date
FR2418037B1 (en) 1981-11-06
FR2418037A1 (en) 1979-09-21
DE2906861A1 (en) 1979-09-06
IT7920441A0 (en) 1979-02-22
JPS54163766A (en) 1979-12-26

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