FR1119807A - Punching devices - Google Patents

Punching devices

Info

Publication number
FR1119807A
FR1119807A FR1119807DA FR1119807A FR 1119807 A FR1119807 A FR 1119807A FR 1119807D A FR1119807D A FR 1119807DA FR 1119807 A FR1119807 A FR 1119807A
Authority
FR
France
Prior art keywords
punching devices
punching
devices
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Forges et Ateliers de Constructions Electriques de Jeumont SA
Original Assignee
Forges et Ateliers de Constructions Electriques de Jeumont SA
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 by Forges et Ateliers de Constructions Electriques de Jeumont SA filed Critical Forges et Ateliers de Constructions Electriques de Jeumont SA
Application granted granted Critical
Publication of FR1119807A publication Critical patent/FR1119807A/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
    • B21D28/28—Perforating, i.e. punching holes in tubes or other hollow bodies
    • 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
    • B21D28/28—Perforating, i.e. punching holes in tubes or other hollow bodies
    • B21D28/285—Perforating, i.e. punching holes in tubes or other hollow bodies punching outwards

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR1119807D 1955-01-13 1955-01-13 Punching devices Expired FR1119807A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1119807T 1955-01-13

Publications (1)

Publication Number Publication Date
FR1119807A true FR1119807A (en) 1956-06-26

Family

ID=9631177

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1119807D Expired FR1119807A (en) 1955-01-13 1955-01-13 Punching devices

Country Status (1)

Country Link
FR (1) FR1119807A (en)

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