DE8196C - Process for the production of cartridge cases from zinc and zinc alloys - Google Patents

Process for the production of cartridge cases from zinc and zinc alloys

Info

Publication number
DE8196C
DE8196C DENDAT8196D DE8196DA DE8196C DE 8196 C DE8196 C DE 8196C DE NDAT8196 D DENDAT8196 D DE NDAT8196D DE 8196D A DE8196D A DE 8196DA DE 8196 C DE8196 C DE 8196C
Authority
DE
Germany
Prior art keywords
zinc
cartridge cases
alloys
production
stamp
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.)
Active
Application number
DENDAT8196D
Other languages
German (de)
Original Assignee
J. H. BURT in London
Publication of DE8196C publication Critical patent/DE8196C/en
Active 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
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/54—Making hollow objects characterised by the use of the objects cartridge cases, e.g. for ammunition, for letter carriers in pneumatic-tube plants

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Printing Plates And Materials Therefor (AREA)

Description

1879.1879.

Klasse 49.Class 49.

JOHN HARLEY BURT in LONDON. Verfahren zur Herstellung von Patronenhülsen aus Zink und Zinklegirungen.JOHN HARLEY BURT in LONDON. Process for the production of cartridge cases from zinc and zinc alloys.

Patentirt im Deutschen Reiche vom 22. Juli 1879 ab.Patented in the German Empire on July 22, 1879.

Die Erfindung bezieht sich auf eine neue Fabrikation von Metall-Patronenhülsen, deren Anfertigung eine bedeutende Ersparnifs an Zeit, Arbeit und Kosten erzielt. Anstatt zu diesem Zweck Kupfer oder dessen Legirungen ,zu benutzen, wird hier das wohlfeilere Zink, und zwar allein für sich oder mit einer kleinen Quantität eines anderen weifsen Metalls legirt, verwendet. An Stelle des bisher gebräuchlichen kostspieligen und zeitraubenden Verfahrens zur Herstellung von Scheiben und zum Ziehen derselben in Hülsenform ist hier folgende Methode in Anwendung gebracht.The invention relates to a new manufacture of metal cartridge cases, whose Making a significant saving in time, labor and costs. Instead of this The purpose of using copper or its alloys is the cheaper zinc, and Alloyed alone or with a small quantity of another white metal, used. Instead of the costly and time-consuming process previously used The following method is used to manufacture disks and to pull them into a sleeve shape brought into use.

Das Zink wird geschmolzen und in eine schalenförmige Mulde gegossen. Während es erhärtet, wird es dem Drucke eines Stempels mit gerundetem Ende und kleinerem Durchmesser als der der Mulde unterworfen, so dafs hierdurch ein TheiL des halbflüssigen Metalls in den ringförmigen Raum zwischen Stempel und Mulde hinauf gedrückt wird. Das Metall ragt alsdann in Gestalt eines kurzen Cylinders mit unten gerundetem Boden aus der Mulde heraus, und nach Entfernung desselben vom Stempel wird der Cylinder gezogen auf bekannte Weise, um somit die Patronenhülse von gewünschter Länge zu erhalten.The zinc is melted and poured into a bowl-shaped trough. While it when hardened, it becomes the impression of a stamp with a rounded end and a smaller diameter than that of the hollow, so that thereby part of the semi-liquid metal is pushed up into the annular space between the punch and the trough. The metal then protrudes from the hollow in the form of a short cylinder with a rounded bottom out, and after removing it from the punch, the cylinder is pulled onto known ones Way to thus obtain the cartridge case of the desired length.

Bei diesen Operationen ist es vorteilhaft, die Werkzeuge durch Dampf oder auf sonstige Weise warm zu halten, um das Metall weniger spröde zu machen.In these operations it is advantageous to use the To keep tools warm by steam or otherwise, the metal is less to make brittle.

Claims (2)

Patent-Ansprüche:Patent Claims: 1. Das Verfahren, Patronenhülsen aus Zink oder Zinklegirung herzustellen, dadurch, dafs das geschmolzene Zink in eine schalenförmige Mulde gegossen und vor dem Erhärten dem Drucke eines gerundeten Stempels unterworfen wird, wobei zwischen Stempel und Mulde ein Cylinder hergestellt wird, der bei nachfolgenden Ziehoperationen in die nöthige Form der Patronenhülse übergeht. 1. The process of producing cartridge cases from zinc or zinc alloy, by dafs the molten zinc poured into a bowl-shaped trough and before hardening is subjected to the printing of a rounded stamp, whereby a cylinder is produced between the stamp and the cavity, which changes into the necessary shape of the cartridge case during subsequent pulling operations. 2. Das neue Fabrikat, Patronenhülsen von Zink oder Zinklegirungen, welche dadurch hergestellt werden, dafs das flüssige Zink in einer schalenförmigen Mulde dem Drucke eines abgerundeten Stempels unterworfen wird.2. The new product, cartridge cases made of zinc or zinc alloys, which are produced thereby be that the liquid zinc in a bowl-shaped depression is subjected to the pressure of a rounded stamp will.
DENDAT8196D Process for the production of cartridge cases from zinc and zinc alloys Active DE8196C (en)

Publications (1)

Publication Number Publication Date
DE8196C true DE8196C (en)

Family

ID=285774

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT8196D Active DE8196C (en) Process for the production of cartridge cases from zinc and zinc alloys

Country Status (1)

Country Link
DE (1) DE8196C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE745568C (en) * 1940-01-10 1944-03-13 Pertrix Werke G M B H Manufacture of zinc cups, especially for galvanic elements, by pressing round blanks

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE745568C (en) * 1940-01-10 1944-03-13 Pertrix Werke G M B H Manufacture of zinc cups, especially for galvanic elements, by pressing round blanks

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