BE514937A - - Google Patents

Info

Publication number
BE514937A
BE514937A BE514937DA BE514937A BE 514937 A BE514937 A BE 514937A BE 514937D A BE514937D A BE 514937DA BE 514937 A BE514937 A BE 514937A
Authority
BE
Belgium
Prior art keywords
punch
fluid
pistons
piston
sleeve
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE514937A publication Critical patent/BE514937A/fr

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00Shaping by press-cutting; Perforating
    • B21D28/24Perforating, i.e. punching holes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
BE514937D BE514937A (cs)

Publications (1)

Publication Number Publication Date
BE514937A true BE514937A (cs)

Family

ID=152601

Family Applications (1)

Application Number Title Priority Date Filing Date
BE514937D BE514937A (cs)

Country Status (1)

Country Link
BE (1) BE514937A (cs)

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