GB2031780B - Shear-proof punch and punching tool including such a punch - Google Patents

Shear-proof punch and punching tool including such a punch

Info

Publication number
GB2031780B
GB2031780B GB7840182A GB7840182A GB2031780B GB 2031780 B GB2031780 B GB 2031780B GB 7840182 A GB7840182 A GB 7840182A GB 7840182 A GB7840182 A GB 7840182A GB 2031780 B GB2031780 B GB 2031780B
Authority
GB
United Kingdom
Prior art keywords
punch
shear
proof
tool including
punching tool
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
GB7840182A
Other versions
GB2031780A (en
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.)
Mercer Nairne & Co Ltd
Original Assignee
Mercer Nairne & Co Ltd
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 Mercer Nairne & Co Ltd filed Critical Mercer Nairne & Co Ltd
Priority to GB7840182A priority Critical patent/GB2031780B/en
Priority to GB7931082A priority patent/GB2030499A/en
Publication of GB2031780A publication Critical patent/GB2031780A/en
Application granted granted Critical
Publication of GB2031780B publication Critical patent/GB2031780B/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
    • B21D28/34—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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/14—Dies
    • 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
    • B21D28/346—Perforating tools; Die holders length adjustable perforating tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D27/00—Machines or devices for cutting by a nibbling action

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
GB7840182A 1978-09-07 1978-10-11 Shear-proof punch and punching tool including such a punch Expired GB2031780B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB7840182A GB2031780B (en) 1978-10-11 1978-10-11 Shear-proof punch and punching tool including such a punch
GB7931082A GB2030499A (en) 1978-09-07 1979-09-07 Improved punch assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7840182A GB2031780B (en) 1978-10-11 1978-10-11 Shear-proof punch and punching tool including such a punch

Publications (2)

Publication Number Publication Date
GB2031780A GB2031780A (en) 1980-04-30
GB2031780B true GB2031780B (en) 1982-11-10

Family

ID=10500273

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7840182A Expired GB2031780B (en) 1978-09-07 1978-10-11 Shear-proof punch and punching tool including such a punch

Country Status (1)

Country Link
GB (1) GB2031780B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201900019421A1 (en) * 2019-10-21 2021-04-21 Salvagnini Italia Spa PUNCHING APPARATUS

Also Published As

Publication number Publication date
GB2031780A (en) 1980-04-30

Similar Documents

Publication Publication Date Title
GB2015410B (en) Punching device
JPS5516800A (en) Punch press
DE2963822D1 (en) A paper tape punch and reader assembly
DE3070075D1 (en) A method and tool for redrawing
JPS5315685A (en) Punch and stripper assembly
GB2052342B (en) Punch press
GB1558215A (en) Method of monitoring the punch and die elements of a press tool
JPS5619711A (en) Perforating tool
AU3799278A (en) A rotary stamping and scoring die
GB2066719B (en) Punching and nibbling machines
JPS5318886A (en) Machine tool* especially punching machine and nibbling machine
JPS5591617A (en) Punch device
JPS5310188A (en) Elecrtically operated punching shear
GB2051650B (en) Automatic punching and bending machine
JPS5510399A (en) Punching device
GB2053743B (en) Strip steel punching tool
GB2033284B (en) Shears and/or punches
JPS54122474A (en) Punching press
GB2111891B (en) A punching and/or forming tool
GB2031780B (en) Shear-proof punch and punching tool including such a punch
JPS5363689A (en) Punching method and punching die being used therein
GB2054443B (en) Manually operated punching tool
GB2024689B (en) Punching tool
JPS52137784A (en) Nibbling punch
GB2014078B (en) Punching press

Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee