FR414943A - Improvements to stamping and punching presses - Google Patents

Improvements to stamping and punching presses

Info

Publication number
FR414943A
FR414943A FR414943DA FR414943A FR 414943 A FR414943 A FR 414943A FR 414943D A FR414943D A FR 414943DA FR 414943 A FR414943 A FR 414943A
Authority
FR
France
Prior art keywords
stamping
punching presses
punching
presses
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
George Henry Bruce
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR414943A publication Critical patent/FR414943A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR414943D 1909-05-07 1910-04-20 Improvements to stamping and punching presses Expired FR414943A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB414943X 1909-05-07

Publications (1)

Publication Number Publication Date
FR414943A true FR414943A (en) 1910-09-14

Family

ID=1458590

Family Applications (1)

Application Number Title Priority Date Filing Date
FR414943D Expired FR414943A (en) 1909-05-07 1910-04-20 Improvements to stamping and punching presses

Country Status (1)

Country Link
FR (1) FR414943A (en)

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