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GB1263074A - Plate formed for easy perforation - Google Patents

Plate formed for easy perforation

Info

Publication number
GB1263074A
GB1263074A GB1777768A GB1777768A GB1263074A GB 1263074 A GB1263074 A GB 1263074A GB 1777768 A GB1777768 A GB 1777768A GB 1777768 A GB1777768 A GB 1777768A GB 1263074 A GB1263074 A GB 1263074A
Authority
GB
United Kingdom
Prior art keywords
spigot
plate formed
plate
perforation
april
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
GB1777768A
Inventor
John Armstrong Coughtrie
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.)
J & G Coughtrie Ltd
Original Assignee
J & G Coughtrie 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 J & G Coughtrie Ltd filed Critical J & G Coughtrie Ltd
Priority to GB1777768A priority Critical patent/GB1263074A/en
Publication of GB1263074A publication Critical patent/GB1263074A/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
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/10—Incompletely punching in such a manner that the parts are still coherent with the work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/02—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)

Abstract

1,263,074. Perforating. J. & G. GOUGHTRIE Ltd. 16 April, 1969 [16 April, 1968], No. 17777/68. Heading B3W. [Also in Division E1] A plate has a depression 2 and a spigot 3 on opposite sides, the spigot being aligned with the depression and of the same peripheral shape but smaller peripheral dimensions. A perforation is formed by striking the spigot to force it through the plate. A plurality of spigots and depressions are provided allowing selection of positions for perforations.
GB1777768A 1968-04-16 1968-04-16 Plate formed for easy perforation Expired GB1263074A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1777768A GB1263074A (en) 1968-04-16 1968-04-16 Plate formed for easy perforation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1777768A GB1263074A (en) 1968-04-16 1968-04-16 Plate formed for easy perforation

Publications (1)

Publication Number Publication Date
GB1263074A true GB1263074A (en) 1972-02-09

Family

ID=10101022

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1777768A Expired GB1263074A (en) 1968-04-16 1968-04-16 Plate formed for easy perforation

Country Status (1)

Country Link
GB (1) GB1263074A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2309390A1 (en) * 1974-12-17 1976-11-26 Daimler Benz Ag Impact energy absorbing chassis - has longitudinal bearers end regions with shear off points along bearer edges
FR2322225A1 (en) * 1975-08-29 1977-03-25 Dubied & Cie Sa E PERFORATED CARD
EP0003131A2 (en) * 1978-01-10 1979-07-25 Aktieselskabet Laur. Knudsen Nordisk Elektricitets Selskab Pull-out blank in a sheet metal cabinet wall

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2309390A1 (en) * 1974-12-17 1976-11-26 Daimler Benz Ag Impact energy absorbing chassis - has longitudinal bearers end regions with shear off points along bearer edges
FR2322225A1 (en) * 1975-08-29 1977-03-25 Dubied & Cie Sa E PERFORATED CARD
EP0003131A2 (en) * 1978-01-10 1979-07-25 Aktieselskabet Laur. Knudsen Nordisk Elektricitets Selskab Pull-out blank in a sheet metal cabinet wall
EP0003131A3 (en) * 1978-01-10 1979-08-22 Aktieselskabet Laur. Knudsen Nordisk Elektricitets Selskab Pull-out blank for a cabinet wall

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