DE226657C - - Google Patents

Info

Publication number
DE226657C
DE226657C DENDAT226657D DE226657DA DE226657C DE 226657 C DE226657 C DE 226657C DE NDAT226657 D DENDAT226657 D DE NDAT226657D DE 226657D A DE226657D A DE 226657DA DE 226657 C DE226657 C DE 226657C
Authority
DE
Germany
Prior art keywords
punches
projections
rollers
drum
bellows
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.)
Active
Application number
DENDAT226657D
Other languages
German (de)
English (en)
Publication of DE226657C publication Critical patent/DE226657C/de
Active 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
    • 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
    • B26F1/0015—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor specially adapted for perforating tubes
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Treatment Of Fiber Materials (AREA)
DENDAT226657D Active DE226657C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE226657C true DE226657C (enrdf_load_stackoverflow)

Family

ID=487187

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT226657D Active DE226657C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE226657C (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2419534A (en) * 1945-05-30 1947-04-29 Mouldings Inc Demountable device for punching tubes
US2423791A (en) * 1945-10-04 1947-07-08 Krag Steel Products Inc Dies and the like
US2453681A (en) * 1946-12-14 1948-11-09 Victor Metal Products Corp Tube perforating machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2419534A (en) * 1945-05-30 1947-04-29 Mouldings Inc Demountable device for punching tubes
US2423791A (en) * 1945-10-04 1947-07-08 Krag Steel Products Inc Dies and the like
US2453681A (en) * 1946-12-14 1948-11-09 Victor Metal Products Corp Tube perforating machine

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