DE548102C - Cartridge chamber with a perforated insert for firearms, especially machine guns - Google Patents

Cartridge chamber with a perforated insert for firearms, especially machine guns

Info

Publication number
DE548102C
DE548102C DENDAT548102D DE548102DD DE548102C DE 548102 C DE548102 C DE 548102C DE NDAT548102 D DENDAT548102 D DE NDAT548102D DE 548102D D DE548102D D DE 548102DD DE 548102 C DE548102 C DE 548102C
Authority
DE
Germany
Prior art keywords
firearms
cartridge chamber
machine guns
insert
perforated insert
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
DENDAT548102D
Other languages
German (de)
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
Publication date
Application granted granted Critical
Publication of DE548102C publication Critical patent/DE548102C/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41AFUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A21/00Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
    • F41A21/12Cartridge chambers; Chamber liners

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Coating Apparatus (AREA)

Description

Patronenlager mit gelochter Einsatzbüchse für Feuerwaffen, insbesondere Maschinengewehre Die Erfindung betrifft ein Patronenlager für Feuerwaffen, insbesondere Maschinengewehre, durch welches das Festbrennen der abgeschossenen Patronenhülsen verhindert werden soll. Zu diesem Zweck isst es bereits bekannt, in der inneren Lauffläche selbst Längsrillen anzuordnen, Da diese aber schwer in die innere Lauffläche einzuarbeiten sind, ist bereits die Verwendung einer zur Aufnahme der Patronenhülsen bestimmten siebartig durchbrochenen Büchse vorgeschlagen worden. Die Querbohrungen dieser Büchse sind durch den die Büchse umgebenden Raum der Laufausbohrung miteinander verbunden. Daß die Büchse mit Spiel in die Laufausbohrungen eingesetzt ist, d. h. letztere größer ist als die Büchse, stellt einen Nachteil dar. Denn unter dem Anfangsdruck der Pulvergase dehnt sich die Büchse und damit auch die in ihr befindliche Patronenhülse aus, so daß letztere entweder trotzdem in der Hülse Festbrennen kann oder reißt. Wenn die Büchse sich infolge ihrer Ausdehnung an die Laufausbehrung anlegt, versperrt sie den Pulverrasen den Zutritt zur Patronenhülse.Cartridge chamber with perforated insert for firearms, in particular Machine guns The invention relates to a cartridge chamber for firearms, in particular Machine guns through which the fired cartridge cases stick to the fire should be prevented. For this purpose it eats already known in the interior Tread itself to arrange longitudinal grooves, but because these are difficult to get into the inner tread must be incorporated, the use of one to accommodate the cartridge cases is already required certain sieve-like openwork cans have been proposed. The cross holes this sleeve are through the space surrounding the sleeve of the barrel bore with each other tied together. That the liner is inserted into the barrel bores with play, i.e. H. the latter is larger than the can, is a disadvantage. Because under the initial pressure the powder gases expand the rifle and thus also the cartridge case in it off, so that the latter can either stick to the sleeve anyway or it will tear. When the rifle comes into contact with the barrel extension as a result of its expansion, it is blocked they give the powder lawn access to the cartridge case.

Diese genannten '.Yachteile sollen durch die Erfindung vermieden werden. Die Erfindung besteht darin, daß die Einsatzbüchse auf ihrer ganzen Länge in die Laufausbohrung genau eingepaßt ist und außerdem äußere Längsrillen besitzt, .durch welche die in der Büchsenwandung befindlichen Querbohrungen miteinander-verbunden sind. Dadurch, daß die Einsatzbüchse genau eingepaßt ist, ist eine Dehnung der Büchse und damit der Patronenhülse nicht möglich, und es kann den Pulvergasen nicht der Zutritt zur äußeren Fläche der Patronenhülse verhindert werden.These disadvantages mentioned are intended to be avoided by the invention. The invention consists in that the insert sleeve over its entire length in the Barrel bore is precisely fitted and also has outer longitudinal grooves which the cross bores located in the bushing wall-connected to one another are. Because the insert sleeve is fitted exactly, there is an expansion of the sleeve and thus the cartridge case is not possible, and it cannot use the powder gases Access to the outer surface of the cartridge case can be prevented.

In der Zeichnung ist die Erfindung in einem Ausführungsbeispiel dargestellt, und zwar zeigt Abb. i eine Einsatzbüchse in Ansicht, Abb: Z einen Querschnitt nach Linie 11-Ir der Abb. r, Abb. 3 einen Längsschnitt eines Patronenlagers mit eingeführter Einsatzbüchse gemäß Abb. i.In the drawing, the invention is shown in an exemplary embodiment, namely Fig. i shows a view of an insert sleeve, Fig: Z shows a cross-section Line 11-Ir of Fig. R, Fig. 3 is a longitudinal section of a cartridge chamber with inserted Insert sleeve according to Fig. I.

Die Einsatzbüchse a wird mittels des Gewindes b o. dgl. in das hintere Ende des Laufes f eingesetzt. Die innere Bohrung c entspricht der äußeren Form der Patrone. Am äußeren Umfang ist die Einsatzbüchse mit Längsrillend versehen, die durch sehr feine Bohrungen e mit .dem inneren, zur Aufnahme der Patrone dienenden Raum c verbunden sind. Die Büchse ist auf ihrer ganzen Länge genau in die Ausbohrung des Laufes f eingepaßt.The insert sleeve a is by means of the thread b or the like. In the rear Inserted at the end of the barrel f. The inner bore c corresponds to the outer shape of the Cartridge. On the outer circumference, the insert sleeve is provided with longitudinal grooves that through very fine bores with the inner one, which is used to hold the cartridge Room c are connected. The sleeve is exactly in the bore along its entire length of the barrel f fitted.

Claims (1)

PATENTANSPRUCH: Patronenlager mit gelochter Einsatzbüchse für Feuerwaffen; insbesondere Maschinengewehre, dadurch gekennzeichnet, daß die Einsatzbüchse auf ihrer ganzen Länge in die Laufausbobrung genau eingepaßt ist und außerdem äußere Längsrillen besitzt, durch welche die in der Büchsenwandung befindlichen Querbohrungen miteinander verbunden sind.PATENT CLAIM: Cartridge chamber with perforated insert for firearms; in particular machine guns, characterized in that the insert rifle on its entire length is precisely fitted into the barrel shape and also outer Has longitudinal grooves through which the transverse bores located in the bushing wall are connected to each other.
DENDAT548102D Cartridge chamber with a perforated insert for firearms, especially machine guns Expired DE548102C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE548102T

Publications (1)

Publication Number Publication Date
DE548102C true DE548102C (en) 1932-04-07

Family

ID=6561817

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT548102D Expired DE548102C (en) Cartridge chamber with a perforated insert for firearms, especially machine guns

Country Status (1)

Country Link
DE (1) DE548102C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2791856A (en) * 1954-01-06 1957-05-14 Olin Mathieson Firearm with sintered metal chamber
US5479737A (en) * 1994-02-03 1996-01-02 The Marlin Firearms Company Firearm barrel assembly
US6460446B1 (en) * 1999-09-03 2002-10-08 The United States Of America As Represented By The Secretary Of The Army Sonic rarefaction wave recoilless gun system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2791856A (en) * 1954-01-06 1957-05-14 Olin Mathieson Firearm with sintered metal chamber
US5479737A (en) * 1994-02-03 1996-01-02 The Marlin Firearms Company Firearm barrel assembly
US6460446B1 (en) * 1999-09-03 2002-10-08 The United States Of America As Represented By The Secretary Of The Army Sonic rarefaction wave recoilless gun system

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