FR1224862A - Improvements to blocked mandrels used for the manufacture of seamless tubes to the continuous train with successive duo cages - Google Patents

Improvements to blocked mandrels used for the manufacture of seamless tubes to the continuous train with successive duo cages

Info

Publication number
FR1224862A
FR1224862A FR784032A FR784032A FR1224862A FR 1224862 A FR1224862 A FR 1224862A FR 784032 A FR784032 A FR 784032A FR 784032 A FR784032 A FR 784032A FR 1224862 A FR1224862 A FR 1224862A
Authority
FR
France
Prior art keywords
successive
blocked
manufacture
seamless tubes
continuous train
Prior art date
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
FR784032A
Other languages
French (fr)
Inventor
Albert Calmes
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 filed Critical
Application granted granted Critical
Publication of FR1224862A publication Critical patent/FR1224862A/en
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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
    • B21B17/02—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel, i.e. the mandrel rod contacts the rolled tube over the rod length
    • B21B17/04—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel, i.e. the mandrel rod contacts the rolled tube over the rod length in a continuous process
FR784032A 1958-01-15 1959-01-14 Improvements to blocked mandrels used for the manufacture of seamless tubes to the continuous train with successive duo cages Expired FR1224862A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1224862X 1958-01-15

Publications (1)

Publication Number Publication Date
FR1224862A true FR1224862A (en) 1960-06-28

Family

ID=11433728

Family Applications (1)

Application Number Title Priority Date Filing Date
FR784032A Expired FR1224862A (en) 1958-01-15 1959-01-14 Improvements to blocked mandrels used for the manufacture of seamless tubes to the continuous train with successive duo cages

Country Status (1)

Country Link
FR (1) FR1224862A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991001824A1 (en) * 1989-08-03 1991-02-21 Tubemill S.A. Device for elongating and equalizing round hollow blanks for the manufacture of seamless tubes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991001824A1 (en) * 1989-08-03 1991-02-21 Tubemill S.A. Device for elongating and equalizing round hollow blanks for the manufacture of seamless tubes

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