FR796095A - Device for drilling holes - Google Patents

Device for drilling holes

Info

Publication number
FR796095A
FR796095A FR796095DA FR796095A FR 796095 A FR796095 A FR 796095A FR 796095D A FR796095D A FR 796095DA FR 796095 A FR796095 A FR 796095A
Authority
FR
France
Prior art keywords
drilling holes
drilling
holes
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
Gustave Baehr
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 filed Critical
Application granted granted Critical
Publication of FR796095A publication Critical patent/FR796095A/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
    • B21D28/34—Perforating tools; Die holders
    • B21D28/343—Draw punches

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR796095D 1934-12-29 1934-12-29 Device for drilling holes Expired FR796095A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR796095T 1934-12-29

Publications (1)

Publication Number Publication Date
FR796095A true FR796095A (en) 1936-03-28

Family

ID=9234973

Family Applications (1)

Application Number Title Priority Date Filing Date
FR796095D Expired FR796095A (en) 1934-12-29 1934-12-29 Device for drilling holes

Country Status (1)

Country Link
FR (1) FR796095A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2643721A (en) * 1947-03-06 1953-06-30 Radio Television Inst Inc Punch with slug extracting means
CN117655209A (en) * 2024-01-31 2024-03-08 成都工业职业技术学院 Metal plate cutting device and cutting early warning method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2643721A (en) * 1947-03-06 1953-06-30 Radio Television Inst Inc Punch with slug extracting means
CN117655209A (en) * 2024-01-31 2024-03-08 成都工业职业技术学院 Metal plate cutting device and cutting early warning method thereof
CN117655209B (en) * 2024-01-31 2024-04-16 成都工业职业技术学院 Metal plate cutting device and cutting early warning method thereof

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