FR23474E - Combination hand punching machine - Google Patents

Combination hand punching machine

Info

Publication number
FR23474E
FR23474E FR23474A FR23474DA FR23474E FR 23474 E FR23474 E FR 23474E FR 23474 A FR23474 A FR 23474A FR 23474D A FR23474D A FR 23474DA FR 23474 E FR23474 E FR 23474E
Authority
FR
France
Prior art keywords
punching machine
combination hand
hand punching
combination
machine
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
FR23474A
Other languages
French (fr)
Inventor
Georges Champromis
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.)
GEORGES CHAMPROMIS
Original Assignee
GEORGES CHAMPROMIS
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 GEORGES CHAMPROMIS filed Critical GEORGES CHAMPROMIS
Application granted granted Critical
Publication of FR23474E publication Critical patent/FR23474E/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR23474A 1920-06-09 1920-06-09 Combination hand punching machine Expired FR23474E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR23474T 1920-06-09

Publications (1)

Publication Number Publication Date
FR23474E true FR23474E (en) 1921-11-30

Family

ID=8662210

Family Applications (1)

Application Number Title Priority Date Filing Date
FR23474A Expired FR23474E (en) 1920-06-09 1920-06-09 Combination hand punching machine

Country Status (1)

Country Link
FR (1) FR23474E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE748694C (en) * 1938-05-25 1944-11-08 Interchangeable tool frame for presses for punching and cutting

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE748694C (en) * 1938-05-25 1944-11-08 Interchangeable tool frame for presses for punching and cutting

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