DE51839C - Device for the production of hardened inner surfaces in gun barrels and the like - Google Patents

Device for the production of hardened inner surfaces in gun barrels and the like

Info

Publication number
DE51839C
DE51839C DENDAT51839D DE51839DA DE51839C DE 51839 C DE51839 C DE 51839C DE NDAT51839 D DENDAT51839 D DE NDAT51839D DE 51839D A DE51839D A DE 51839DA DE 51839 C DE51839 C DE 51839C
Authority
DE
Germany
Prior art keywords
production
inner surfaces
gun barrels
hardened inner
barrels
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
DENDAT51839D
Other languages
German (de)
Original Assignee
Frau M, GAVVRON in Stettin, Pommerens
Publication of DE51839C publication Critical patent/DE51839C/en
Active legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • C21D9/10—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes shotgun barrels

Description

Hierzu 1 Blatt Zeichnungen.1 sheet of drawings.

BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.BERLIN. PRINTED IN THE REICH PRINTING COMPANY.

Claims (1)

Patent-Anspruch:Patent claim: Ein Apparat zur Herstellung von gehärteten Innenflächen bei Gewehrläufen oder anderen Stahlrohren, bestehend aus einem Metallrohr i, Fig. ι, oder i1 k1 mit der Zwischenwand /, Fig. 2, welches Rohr sowohl mit einem Behälter E, der durch eine Eismaschine gekühlte und unter starkem Druck stehende. Luft oder andere unschädliche Gase enthält, als auch mit dem Vacuumbehälter F derart verbunden ist, dafs beim Oeffnen des Hahnes g bezw. h die kalte Luft eine schnelle Abkühlung und Härtung der über i bezw. Z1A:1 geschobenen Gewehrläufe u. dergl. hervorbringt.An apparatus for the production of hardened inner surfaces in gun barrels or other steel tubes, consisting of a metal tube i, Fig. Ι, or i 1 k 1 with the partition /, Fig. 2, which tube both with a container E, which is cooled by an ice machine and who are under a lot of pressure. Contains air or other harmless gases, as well as is connected to the vacuum container F in such a way that when the tap g respectively is opened. h the cold air a rapid cooling and hardening of the over i respectively. Z 1 A: 1 pushed rifle barrels and the like.
DENDAT51839D Device for the production of hardened inner surfaces in gun barrels and the like Active DE51839C (en)

Publications (1)

Publication Number Publication Date
DE51839C true DE51839C (en)

Family

ID=326584

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT51839D Active DE51839C (en) Device for the production of hardened inner surfaces in gun barrels and the like

Country Status (1)

Country Link
DE (1) DE51839C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE758467C (en) * 1940-07-10 1953-06-22 Focke Wulf Flugzeugbau G M B H Method for the double-sided hardening of twisted tubular bodies
DE918641C (en) * 1950-12-06 1954-09-30 Basf Ag Compensation process for long pipes, especially for high pressures

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE758467C (en) * 1940-07-10 1953-06-22 Focke Wulf Flugzeugbau G M B H Method for the double-sided hardening of twisted tubular bodies
DE918641C (en) * 1950-12-06 1954-09-30 Basf Ag Compensation process for long pipes, especially for high pressures

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