FR63826E - Fabrication de corps creux en acier surpressés - Google Patents

Fabrication de corps creux en acier surpressés

Info

Publication number
FR63826E
FR63826E FR63826DA FR63826E FR 63826 E FR63826 E FR 63826E FR 63826D A FR63826D A FR 63826DA FR 63826 E FR63826 E FR 63826E
Authority
FR
France
Prior art keywords
manufacture
hollow bodies
pressed steel
steel hollow
pressed
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
English (en)
Inventor
Georges-Auguste Ferrand
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 FR63826E publication Critical patent/FR63826E/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P9/00—Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist wear or impact, e.g. smoothing or roughening turbine blades or bearings; Features of such surfaces not otherwise provided for, their treatment being unspecified
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
    • C21D7/10—Modifying the physical properties of iron or steel by deformation by cold working of the whole cross-section, e.g. of concrete reinforcing bars
    • C21D7/12—Modifying the physical properties of iron or steel by deformation by cold working of the whole cross-section, e.g. of concrete reinforcing bars by expanding tubular bodies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR63826D 1952-10-27 1953-02-23 Fabrication de corps creux en acier surpressés Expired FR63826E (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1065053T 1952-10-27
FR1003681X 1953-02-23

Publications (1)

Publication Number Publication Date
FR63826E true FR63826E (fr) 1955-10-03

Family

ID=33133124

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1065053D Expired FR1065053A (fr) 1952-10-27 1952-10-27 Fabrication de corps creux en acier surpressés
FR63826D Expired FR63826E (fr) 1952-10-27 1953-02-23 Fabrication de corps creux en acier surpressés

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR1065053D Expired FR1065053A (fr) 1952-10-27 1952-10-27 Fabrication de corps creux en acier surpressés

Country Status (1)

Country Link
FR (2) FR1065053A (fr)

Also Published As

Publication number Publication date
FR1065053A (fr) 1954-05-20

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