FR1224904A - Method and piercing rolling mill, press, for the transformation of ingots or solid bars into hollow blanks intended for the manufacture of seamless tubes - Google Patents

Method and piercing rolling mill, press, for the transformation of ingots or solid bars into hollow blanks intended for the manufacture of seamless tubes

Info

Publication number
FR1224904A
FR1224904A FR785698A FR785698A FR1224904A FR 1224904 A FR1224904 A FR 1224904A FR 785698 A FR785698 A FR 785698A FR 785698 A FR785698 A FR 785698A FR 1224904 A FR1224904 A FR 1224904A
Authority
FR
France
Prior art keywords
ingots
transformation
press
manufacture
rolling mill
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
FR785698A
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 FR1224904A publication Critical patent/FR1224904A/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
    • 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
    • B21B17/08—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 having one or more protrusions, i.e. only the mandrel plugs contact the rolled tube; Press-piercing mills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR785698A 1958-02-05 1959-02-03 Method and piercing rolling mill, press, for the transformation of ingots or solid bars into hollow blanks intended for the manufacture of seamless tubes Expired FR1224904A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1224904X 1958-02-05

Publications (1)

Publication Number Publication Date
FR1224904A true FR1224904A (en) 1960-06-28

Family

ID=11433731

Family Applications (1)

Application Number Title Priority Date Filing Date
FR785698A Expired FR1224904A (en) 1958-02-05 1959-02-03 Method and piercing rolling mill, press, for the transformation of ingots or solid bars into hollow blanks intended for the manufacture of seamless tubes

Country Status (1)

Country Link
FR (1) FR1224904A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2631562A1 (en) * 1975-07-18 1977-01-20 Nippon Steel Corp PROCESS FOR ROLLING PRESS HOLE AND EQUIPMENT FOR CARRYING OUT THIS PROCESS
WO1990014900A1 (en) * 1989-05-31 1990-12-13 Tubemill S.A. Drilling roller/press for producing round, hollow bodies

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2631562A1 (en) * 1975-07-18 1977-01-20 Nippon Steel Corp PROCESS FOR ROLLING PRESS HOLE AND EQUIPMENT FOR CARRYING OUT THIS PROCESS
WO1990014900A1 (en) * 1989-05-31 1990-12-13 Tubemill S.A. Drilling roller/press for producing round, hollow bodies

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