FR1269887A - Improvements to methods and devices for forming perforations - Google Patents

Improvements to methods and devices for forming perforations

Info

Publication number
FR1269887A
FR1269887A FR837404A FR837404A FR1269887A FR 1269887 A FR1269887 A FR 1269887A FR 837404 A FR837404 A FR 837404A FR 837404 A FR837404 A FR 837404A FR 1269887 A FR1269887 A FR 1269887A
Authority
FR
France
Prior art keywords
methods
devices
forming perforations
perforations
forming
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
FR837404A
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.)
Produktions-Service AB
Original Assignee
Produktions-Service AB
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 Produktions-Service AB filed Critical Produktions-Service AB
Priority to FR837404A priority Critical patent/FR1269887A/en
Application granted granted Critical
Publication of FR1269887A publication Critical patent/FR1269887A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
    • B26F1/06—Perforating by punching, e.g. with relatively-reciprocating punch and bed with punching tools moving with the work
    • B26F1/10—Roller type punches

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR837404A 1960-08-31 1960-08-31 Improvements to methods and devices for forming perforations Expired FR1269887A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR837404A FR1269887A (en) 1960-08-31 1960-08-31 Improvements to methods and devices for forming perforations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR837404A FR1269887A (en) 1960-08-31 1960-08-31 Improvements to methods and devices for forming perforations

Publications (1)

Publication Number Publication Date
FR1269887A true FR1269887A (en) 1961-08-18

Family

ID=8738239

Family Applications (1)

Application Number Title Priority Date Filing Date
FR837404A Expired FR1269887A (en) 1960-08-31 1960-08-31 Improvements to methods and devices for forming perforations

Country Status (1)

Country Link
FR (1) FR1269887A (en)

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