FR2280452A1 - Dispositif de poinconnage - Google Patents

Dispositif de poinconnage

Info

Publication number
FR2280452A1
FR2280452A1 FR7426649A FR7426649A FR2280452A1 FR 2280452 A1 FR2280452 A1 FR 2280452A1 FR 7426649 A FR7426649 A FR 7426649A FR 7426649 A FR7426649 A FR 7426649A FR 2280452 A1 FR2280452 A1 FR 2280452A1
Authority
FR
France
Prior art keywords
die
hole
sheet metal
punch
prepunched
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.)
Granted
Application number
FR7426649A
Other languages
English (en)
French (fr)
Other versions
FR2280452B3 (xx
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.)
DERIVERY RENE
Original Assignee
DERIVERY RENE
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 DERIVERY RENE filed Critical DERIVERY RENE
Priority to FR7426649A priority Critical patent/FR2280452A1/fr
Publication of FR2280452A1 publication Critical patent/FR2280452A1/fr
Application granted granted Critical
Publication of FR2280452B3 publication Critical patent/FR2280452B3/fr
Granted 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
    • B21D28/34—Perforating tools; Die holders
    • 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
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/04—Centering the work; Positioning the tools

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
FR7426649A 1974-07-31 1974-07-31 Dispositif de poinconnage Granted FR2280452A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7426649A FR2280452A1 (fr) 1974-07-31 1974-07-31 Dispositif de poinconnage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7426649A FR2280452A1 (fr) 1974-07-31 1974-07-31 Dispositif de poinconnage

Publications (2)

Publication Number Publication Date
FR2280452A1 true FR2280452A1 (fr) 1976-02-27
FR2280452B3 FR2280452B3 (xx) 1977-06-03

Family

ID=9141945

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7426649A Granted FR2280452A1 (fr) 1974-07-31 1974-07-31 Dispositif de poinconnage

Country Status (1)

Country Link
FR (1) FR2280452A1 (xx)

Also Published As

Publication number Publication date
FR2280452B3 (xx) 1977-06-03

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Legal Events

Date Code Title Description
ST Notification of lapse