FR542043A - Process for making tubular objects in hardenable metals - Google Patents

Process for making tubular objects in hardenable metals

Info

Publication number
FR542043A
FR542043A FR542043DA FR542043A FR 542043 A FR542043 A FR 542043A FR 542043D A FR542043D A FR 542043DA FR 542043 A FR542043 A FR 542043A
Authority
FR
France
Prior art keywords
tubular objects
making tubular
hardenable metals
hardenable
metals
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
Other languages
French (fr)
Inventor
Lucien Labourot
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 FR542043A publication Critical patent/FR542043A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00—Forging presses
    • B21J9/02—Special design or construction
    • B21J9/04—Piercing presses

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR542043D 1921-10-07 1921-10-07 Process for making tubular objects in hardenable metals Expired FR542043A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR542043T 1921-10-07

Publications (1)

Publication Number Publication Date
FR542043A true FR542043A (en) 1922-08-04

Family

ID=8930587

Family Applications (1)

Application Number Title Priority Date Filing Date
FR542043D Expired FR542043A (en) 1921-10-07 1921-10-07 Process for making tubular objects in hardenable metals

Country Status (1)

Country Link
FR (1) FR542043A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2748932A (en) * 1950-05-13 1956-06-05 American Radiator & Standard Process and apparatus for cold shaping steel
DE1099317B (en) * 1953-07-03 1961-02-09 Max Liebergeld Vorwerkstueck for the production of hollow bodies from steel by cold pressing in the die
FR2619327A1 (en) * 1987-08-13 1989-02-17 Ardt TOOL STAGE FOR DRILLING A HOLE IN A WORKPIECE BY AXIAL FEEDING OF THE TOOL

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2748932A (en) * 1950-05-13 1956-06-05 American Radiator & Standard Process and apparatus for cold shaping steel
DE1099317B (en) * 1953-07-03 1961-02-09 Max Liebergeld Vorwerkstueck for the production of hollow bodies from steel by cold pressing in the die
FR2619327A1 (en) * 1987-08-13 1989-02-17 Ardt TOOL STAGE FOR DRILLING A HOLE IN A WORKPIECE BY AXIAL FEEDING OF THE TOOL
EP0306380A1 (en) * 1987-08-13 1989-03-08 Agence Regionale De Developpements Technologiques - Ardt - Stepped tool for piercing a hole in a work piece by driving the tool axially into the work piece
US4966023A (en) * 1987-08-13 1990-10-30 Agence Regionale De Developpements Technologiques Staged tool for boring a hole in an element by axial penetration of the tool

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