FR714818A - Perfectionnements aux machines à redresser les tiges et les tubes - Google Patents

Perfectionnements aux machines à redresser les tiges et les tubes

Info

Publication number
FR714818A
FR714818A FR714818DA FR714818A FR 714818 A FR714818 A FR 714818A FR 714818D A FR714818D A FR 714818DA FR 714818 A FR714818 A FR 714818A
Authority
FR
France
Prior art keywords
rod
straightening machines
tube straightening
tube
machines
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
Thomas Wilson Hartley
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 FR714818A publication Critical patent/FR714818A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
    • B21D3/02—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers
    • B21D3/04—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers arranged on axes skew to the path of the work

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR714818D 1930-05-30 1931-04-04 Perfectionnements aux machines à redresser les tiges et les tubes Expired FR714818A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB714818X 1930-05-30

Publications (1)

Publication Number Publication Date
FR714818A true FR714818A (fr) 1931-11-20

Family

ID=10494557

Family Applications (1)

Application Number Title Priority Date Filing Date
FR714818D Expired FR714818A (fr) 1930-05-30 1931-04-04 Perfectionnements aux machines à redresser les tiges et les tubes

Country Status (1)

Country Link
FR (1) FR714818A (fr)

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