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SE8801846D0 - IMPROVED LONG WEARING PUNCH - Google Patents

IMPROVED LONG WEARING PUNCH

Info

Publication number
SE8801846D0
SE8801846D0 SE8801846A SE8801846A SE8801846D0 SE 8801846 D0 SE8801846 D0 SE 8801846D0 SE 8801846 A SE8801846 A SE 8801846A SE 8801846 A SE8801846 A SE 8801846A SE 8801846 D0 SE8801846 D0 SE 8801846D0
Authority
SE
Sweden
Prior art keywords
punching
improved long
long wearing
edge
punch
Prior art date
Application number
SE8801846A
Other languages
Swedish (sv)
Other versions
SE8801846L (en
Inventor
Sonny Sneed
Original Assignee
Sonny Sneed
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 Sonny Sneed filed Critical Sonny Sneed
Priority to SE8801846A priority Critical patent/SE8801846L/en
Publication of SE8801846D0 publication Critical patent/SE8801846D0/en
Publication of SE8801846L publication Critical patent/SE8801846L/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
    • 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
    • B21D37/00—Tools as parts of machines covered by this subclass

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

The tool for use with a punching press for punching holes in workpieces has an elongate body having first and second ends. The first end is for releasable engagement by the punching press and the second end has a working surface to engage the workpiece to be punched. - The working surface comprises at least first and second punching edges formed on said second end of the body; and disposed in axially spaced relationship. The first punching edge is formed on the leading end of the second end of the body and the second punching edge having a dia. less than the dia. of the first punching edge.
SE8801846A 1988-05-17 1988-05-17 Punch tool for metal - has pair of punching edges separated by annular groove on front of body SE8801846L (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE8801846A SE8801846L (en) 1988-05-17 1988-05-17 Punch tool for metal - has pair of punching edges separated by annular groove on front of body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8801846A SE8801846L (en) 1988-05-17 1988-05-17 Punch tool for metal - has pair of punching edges separated by annular groove on front of body

Publications (2)

Publication Number Publication Date
SE8801846D0 true SE8801846D0 (en) 1988-05-17
SE8801846L SE8801846L (en) 1989-11-18

Family

ID=20372347

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8801846A SE8801846L (en) 1988-05-17 1988-05-17 Punch tool for metal - has pair of punching edges separated by annular groove on front of body

Country Status (1)

Country Link
SE (1) SE8801846L (en)

Also Published As

Publication number Publication date
SE8801846L (en) 1989-11-18

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Legal Events

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NAV Patent application has lapsed

Ref document number: 8801846-0

Effective date: 19901004