GB191105260A - An Improved Construction of Cutter for Forming Holes in a Sheet of Lead, Lead Alloy or other comparatively Soft Material. - Google Patents

An Improved Construction of Cutter for Forming Holes in a Sheet of Lead, Lead Alloy or other comparatively Soft Material.

Info

Publication number
GB191105260A
GB191105260A GB191105260DA GB191105260A GB 191105260 A GB191105260 A GB 191105260A GB 191105260D A GB191105260D A GB 191105260DA GB 191105260 A GB191105260 A GB 191105260A
Authority
GB
United Kingdom
Prior art keywords
lead
class
comparatively soft
cutter
sheet
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
Inventor
Charles Louis Cuthbe
Harry John Grafham
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB191105260A publication Critical patent/GB191105260A/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
    • B21D28/14—Dies

Landscapes

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

Abstract

5260. Cuthbe, C. L., and Grafham, H. J. March 2. No Patent granted (Sealing fee not paid). Reciprocating-punch machines. - A punch for use in punching square or polygonal holes in plates of comparatively soft metal alloy, or like material which are then used as bases for rubber mats as described in Specification 9542/09, [Class 20 (iv), Floors &c.], has a sawlike cutting-edge bevelled internally and formed of unequal inclines 2, 3. The punches are mounted on a reciprocating plunger, and the material operated upon is fed after each punching operation. Reference has been directed by the Comptroller to Specifications 26,913/02, [Class G6, Hollow-ware], 6619/03, [Class 145, Wood &c.], 6220/10, [Class 31 (i), Cutting &c.], and 5030/11.
GB191105260D 1911-03-02 1911-03-02 An Improved Construction of Cutter for Forming Holes in a Sheet of Lead, Lead Alloy or other comparatively Soft Material. Expired GB191105260A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191105260T 1911-03-02

Publications (1)

Publication Number Publication Date
GB191105260A true GB191105260A (en) 1912-03-04

Family

ID=32497187

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191105260D Expired GB191105260A (en) 1911-03-02 1911-03-02 An Improved Construction of Cutter for Forming Holes in a Sheet of Lead, Lead Alloy or other comparatively Soft Material.

Country Status (1)

Country Link
GB (1) GB191105260A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3130885A (en) * 1962-11-01 1964-04-28 Fleming John Stuart Punch and die for tearing paper

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3130885A (en) * 1962-11-01 1964-04-28 Fleming John Stuart Punch and die for tearing paper

Similar Documents

Publication Publication Date Title
US3786708A (en) Punch for corrugated board
GB191105260A (en) An Improved Construction of Cutter for Forming Holes in a Sheet of Lead, Lead Alloy or other comparatively Soft Material.
US1471669A (en) Method and apparatus for lubricating punching dies
CN106113142A (en) Easy-torn line process equipment
DE20318993U1 (en) Method for producing stacks of pressed laminations has adhesive applied to the underside of the metal sheet prior to stamping and with the laminations collected in a holder under the press
GB215517A (en) Improvements in and relating to safety guards for power presses and like machines
GB191124249A (en) Improvements in the Manufacture of Car Wheels and the like and particularly to Shearing and Forging Operations and Apparatus therefor.
GB191002605A (en) A Machine for Trimming Square or Irregular Shaped Tin Boxes.
GB665777A (en) Improvements in and relating to hand-operated power-driven nibbling tools
GB692259A (en) Improvements in or relating to press tools for making cardboard boxes
GB191312702A (en) Improvements in Belt Cutters and Punches.
DE706816C (en) Method and device for the production of Buettenrand in paper u. like
GB553383A (en) Improvements in or relating to the manufacture of locking washers
DE850954C (en) A method of forming bumps on parts punched out of hardened synthetic resin laminate sheets and a synthetic resin laminate board made thereafter
DE529100C (en) Punching device for cutting out, cornering, bending and hooping of case parts in one operation
GB498490A (en) Improvements in or relating to apparatus for cutting sheet metal or other sheet material
GB358440A (en) Improvements in cutting machines for sheet metal or the like
AT48793B (en) Protective device for punching machines and the like.
GB636591A (en) Improvements in or relating to machines for folding or bending metal sheets or strips
GB204615A (en) Improvements in foundation letters or the like for embroidery
GB190807659A (en) Improvements in Dies or Tools for Stamping Brace Ends from Leather or other Material.
GB191423063A (en) Improvements in the Construction of Punching and Die Plates for Inlaid Linoleum Machines.
GB707649A (en) New or improved multiple plunger press
GB269453A (en) Improvements in machines and appliances for punching and shearing metal plates
GB463865A (en) Improvements in or relating to cutting dies and methods of producing same