FR775413A - Device for punching tubes - Google Patents

Device for punching tubes

Info

Publication number
FR775413A
FR775413A FR775413DA FR775413A FR 775413 A FR775413 A FR 775413A FR 775413D A FR775413D A FR 775413DA FR 775413 A FR775413 A FR 775413A
Authority
FR
France
Prior art keywords
punching tubes
punching
tubes
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)
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.)
E De Smidts & G Allain
Original Assignee
E De Smidts & G Allain
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 E De Smidts & G Allain filed Critical E De Smidts & G Allain
Application granted granted Critical
Publication of FR775413A publication Critical patent/FR775413A/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)
FR775413D 1934-07-06 1934-07-06 Device for punching tubes Expired FR775413A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR775413T 1934-07-06

Publications (1)

Publication Number Publication Date
FR775413A true FR775413A (en) 1934-12-28

Family

ID=9200429

Family Applications (1)

Application Number Title Priority Date Filing Date
FR775413D Expired FR775413A (en) 1934-07-06 1934-07-06 Device for punching tubes

Country Status (1)

Country Link
FR (1) FR775413A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0249862A2 (en) * 1986-06-18 1987-12-23 Stockrail Services Limited Method of and apparatus for producing punched tube

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0249862A2 (en) * 1986-06-18 1987-12-23 Stockrail Services Limited Method of and apparatus for producing punched tube
EP0249862A3 (en) * 1986-06-18 1989-11-15 Stockrail Services Limited Method of and apparatus for producing punched tube

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