FR892224A - Self-locking punching machine - Google Patents

Self-locking punching machine

Info

Publication number
FR892224A
FR892224A FR892224DA FR892224A FR 892224 A FR892224 A FR 892224A FR 892224D A FR892224D A FR 892224DA FR 892224 A FR892224 A FR 892224A
Authority
FR
France
Prior art keywords
self
punching machine
locking punching
locking
machine
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
Rene-Georges-Arthur Bocquel
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 FR892224A publication Critical patent/FR892224A/en
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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR892224D 1942-06-26 1942-06-26 Self-locking punching machine Expired FR892224A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR892224T 1942-06-26

Publications (1)

Publication Number Publication Date
FR892224A true FR892224A (en) 1944-03-31

Family

ID=9389463

Family Applications (1)

Application Number Title Priority Date Filing Date
FR892224D Expired FR892224A (en) 1942-06-26 1942-06-26 Self-locking punching machine

Country Status (1)

Country Link
FR (1) FR892224A (en)

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