FR689544A - Electric-pneumatic machine for the manufacture of tubes - Google Patents

Electric-pneumatic machine for the manufacture of tubes

Info

Publication number
FR689544A
FR689544A FR689544DA FR689544A FR 689544 A FR689544 A FR 689544A FR 689544D A FR689544D A FR 689544DA FR 689544 A FR689544 A FR 689544A
Authority
FR
France
Prior art keywords
tubes
manufacture
electric
pneumatic machine
pneumatic
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
Antoine Descours
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 FR689544A publication Critical patent/FR689544A/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
    • B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
    • B21J7/02—Special design or construction
    • B21J7/14—Forging machines working with several hammers
    • B21J7/16—Forging machines working with several hammers in rotary arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR689544D 1930-02-07 1930-02-07 Electric-pneumatic machine for the manufacture of tubes Expired FR689544A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR689544T 1930-02-07

Publications (1)

Publication Number Publication Date
FR689544A true FR689544A (en) 1930-09-08

Family

ID=9027332

Family Applications (1)

Application Number Title Priority Date Filing Date
FR689544D Expired FR689544A (en) 1930-02-07 1930-02-07 Electric-pneumatic machine for the manufacture of tubes

Country Status (1)

Country Link
FR (1) FR689544A (en)

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