IT8647933A0 - IMPROVEMENT IN RETAINING DEVICES FOR PUNCHES IN A PRESS - Google Patents

IMPROVEMENT IN RETAINING DEVICES FOR PUNCHES IN A PRESS

Info

Publication number
IT8647933A0
IT8647933A0 IT8647933A IT4793386A IT8647933A0 IT 8647933 A0 IT8647933 A0 IT 8647933A0 IT 8647933 A IT8647933 A IT 8647933A IT 4793386 A IT4793386 A IT 4793386A IT 8647933 A0 IT8647933 A0 IT 8647933A0
Authority
IT
Italy
Prior art keywords
punches
press
improvement
retaining devices
retaining
Prior art date
Application number
IT8647933A
Other languages
Italian (it)
Other versions
IT1190533B (en
Inventor
Wallis Bernard Joseph
Original Assignee
Wallis Bernard J
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 Wallis Bernard J filed Critical Wallis Bernard J
Publication of IT8647933A0 publication Critical patent/IT8647933A0/en
Application granted granted Critical
Publication of IT1190533B publication Critical patent/IT1190533B/en

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Physical Vapour Deposition (AREA)
IT47933/86A 1985-04-29 1986-04-24 IMPROVEMENT IN RETENTION DEVICES FOR PUNCHES IN A PRESS IT1190533B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72857685A 1985-04-29 1985-04-29

Publications (2)

Publication Number Publication Date
IT8647933A0 true IT8647933A0 (en) 1986-04-24
IT1190533B IT1190533B (en) 1988-02-16

Family

ID=24927416

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47933/86A IT1190533B (en) 1985-04-29 1986-04-24 IMPROVEMENT IN RETENTION DEVICES FOR PUNCHES IN A PRESS

Country Status (5)

Country Link
JP (1) JPS61249634A (en)
DE (1) DE3614510A1 (en)
GB (1) GB2174329A (en)
IN (1) IN162310B (en)
IT (1) IT1190533B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5934165A (en) * 1997-03-19 1999-08-10 Strippit, Inc. Adjustable punch assembly
WO2005100047A2 (en) * 2004-04-13 2005-10-27 Hinderer + Mühlich Kg Fixing device for fixing a coining die to a perforated body
US9327335B2 (en) * 2009-09-29 2016-05-03 Dayton Progress Corporation Ball-lock retainers and methods for controlling ball bounce in a ball-lock retainer

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1119716A (en) * 1966-03-30 1968-07-10 Malew Eng Ltd Press tools
US3563124A (en) * 1968-12-16 1971-02-16 Dayton Progress Corp Punch and die retainers
US3812895A (en) * 1970-02-17 1974-05-28 Dayton Progress Corp Fastener and retainer assembly

Also Published As

Publication number Publication date
GB8610167D0 (en) 1986-05-29
IT1190533B (en) 1988-02-16
GB2174329A (en) 1986-11-05
IN162310B (en) 1988-04-30
JPS61249634A (en) 1986-11-06
DE3614510A1 (en) 1986-11-06

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