EP0353008A3 - Poinçonneuse à commande hydraulique - Google Patents

Poinçonneuse à commande hydraulique Download PDF

Info

Publication number
EP0353008A3
EP0353008A3 EP19890307512 EP89307512A EP0353008A3 EP 0353008 A3 EP0353008 A3 EP 0353008A3 EP 19890307512 EP19890307512 EP 19890307512 EP 89307512 A EP89307512 A EP 89307512A EP 0353008 A3 EP0353008 A3 EP 0353008A3
Authority
EP
European Patent Office
Prior art keywords
fluid
punch
piston head
pressure operated
punch support
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.)
Withdrawn
Application number
EP19890307512
Other languages
German (de)
English (en)
Other versions
EP0353008A2 (fr
Inventor
Roland T. Gerhart
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.)
Connell LP
Original Assignee
Connell LP
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 Connell LP filed Critical Connell LP
Publication of EP0353008A2 publication Critical patent/EP0353008A2/fr
Publication of EP0353008A3 publication Critical patent/EP0353008A3/fr
Withdrawn legal-status Critical Current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
    • B21D28/002—Drive of the tools

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Closures For Containers (AREA)
EP19890307512 1988-07-25 1989-07-24 Poinçonneuse à commande hydraulique Withdrawn EP0353008A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US22390888A 1988-07-25 1988-07-25
US223908 1988-07-25

Publications (2)

Publication Number Publication Date
EP0353008A2 EP0353008A2 (fr) 1990-01-31
EP0353008A3 true EP0353008A3 (fr) 1990-10-17

Family

ID=22838478

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890307512 Withdrawn EP0353008A3 (fr) 1988-07-25 1989-07-24 Poinçonneuse à commande hydraulique

Country Status (1)

Country Link
EP (1) EP0353008A3 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR822223A (fr) * 1936-05-25 1937-12-23 Mid West Production Engineerin Poinçonneuse hydraulique
GB1091586A (en) * 1965-09-06 1967-11-22 Dro Engineering Co Di Adjustable pierce unit
GB1594258A (en) * 1978-05-26 1981-07-30 Gullick Dobson Ltd Pressure fluid operated tool
US4471680A (en) * 1982-02-01 1984-09-18 Iem Ltd. Cam slide unit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR822223A (fr) * 1936-05-25 1937-12-23 Mid West Production Engineerin Poinçonneuse hydraulique
GB1091586A (en) * 1965-09-06 1967-11-22 Dro Engineering Co Di Adjustable pierce unit
GB1594258A (en) * 1978-05-26 1981-07-30 Gullick Dobson Ltd Pressure fluid operated tool
US4471680A (en) * 1982-02-01 1984-09-18 Iem Ltd. Cam slide unit

Also Published As

Publication number Publication date
EP0353008A2 (fr) 1990-01-31

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