FR730469A - Method and machine for punching ductile sheet materials - Google Patents

Method and machine for punching ductile sheet materials

Info

Publication number
FR730469A
FR730469A FR730469DA FR730469A FR 730469 A FR730469 A FR 730469A FR 730469D A FR730469D A FR 730469DA FR 730469 A FR730469 A FR 730469A
Authority
FR
France
Prior art keywords
punching
machine
sheet materials
ductile sheet
ductile
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
Other languages
French (fr)
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.)
Detroit Gasket and Manufacturing Co
Original Assignee
Detroit Gasket and Manufacturing Co
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 Detroit Gasket and Manufacturing Co filed Critical Detroit Gasket and Manufacturing Co
Application granted granted Critical
Publication of FR730469A publication Critical patent/FR730469A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D31/00Other methods for working sheet metal, metal tubes, metal profiles
    • B21D31/02Stabbing or piercing, e.g. for making sieves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR730469D 1932-01-25 1932-01-25 Method and machine for punching ductile sheet materials Expired FR730469A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR730469T 1932-01-25

Publications (1)

Publication Number Publication Date
FR730469A true FR730469A (en) 1932-08-16

Family

ID=9114613

Family Applications (1)

Application Number Title Priority Date Filing Date
FR730469D Expired FR730469A (en) 1932-01-25 1932-01-25 Method and machine for punching ductile sheet materials

Country Status (1)

Country Link
FR (1) FR730469A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE847629C (en) * 1933-02-22 1952-08-25 Baker & Co Electron tubes with perforated sheet metal electrode and electrodes for it
FR2355625A1 (en) * 1976-06-21 1978-01-20 Chloride Group Ltd METHOD AND APPARATUS FOR PERFORATING A METAL STRIP

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE847629C (en) * 1933-02-22 1952-08-25 Baker & Co Electron tubes with perforated sheet metal electrode and electrodes for it
FR2355625A1 (en) * 1976-06-21 1978-01-20 Chloride Group Ltd METHOD AND APPARATUS FOR PERFORATING A METAL STRIP

Similar Documents

Publication Publication Date Title
FR730469A (en) Method and machine for punching ductile sheet materials
FR763445A (en) Improvements to card punching machines for statistical machines
FR760122A (en) Lightweight half-corrugation sheet pile and method for its manufacture
FR780177A (en) Hydraulic sheet holder for presses, stamping machines and the like
CH190213A (en) Machine for cutting sheet metal and the like.
FR759563A (en) Method and punch for cutting gloves
FR740156A (en) Punching and riveting machine
FR734851A (en) Machine for boring and mandrel
FR821933A (en) Improved phctography method for use in photosculpture
FR746952A (en) Punch card sorter
FR819439A (en) Processes and apparatus for annealing
FR770923A (en) Device for selecting documents classified vertically
FR759391A (en) File puncher
FR754840A (en) Metal sheet piles
FR728886A (en) Applique placed on garbage cans
FR748402A (en) Mobile guide for paper cutters, shears and similar machines
ES125382A1 (en) A machine for punching sheets of ductile material.
DK52545C (en) Method and Machine for Forming Glass Plates.
FR769104A (en) Combined machine for cutting and weighing
FR768508A (en) Reinforcement tape puncher for letters and similar documents
DK57913C (en) Method and Machine for Making Paper Cups and Similar Paper Containers.
FR735934A (en) Coxswain and perforator for checks
CA326069A (en) Punching machine
CA324551A (en) Punching machine
CA328697A (en) Waste renovating method