EP0096186A1 - Cartridge case - Google Patents

Cartridge case Download PDF

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Publication number
EP0096186A1
EP0096186A1 EP83103567A EP83103567A EP0096186A1 EP 0096186 A1 EP0096186 A1 EP 0096186A1 EP 83103567 A EP83103567 A EP 83103567A EP 83103567 A EP83103567 A EP 83103567A EP 0096186 A1 EP0096186 A1 EP 0096186A1
Authority
EP
European Patent Office
Prior art keywords
cartridge case
wall
sleeve
shoulder cone
shoulder
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.)
Granted
Application number
EP83103567A
Other languages
German (de)
French (fr)
Other versions
EP0096186B1 (en
Inventor
Franz Moser
Max Steinemann
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.)
Rheinmetall Air Defence AG
Original Assignee
Werkzeugmaschinenfabrik Oerlikon Buhrle AG
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 Werkzeugmaschinenfabrik Oerlikon Buhrle AG filed Critical Werkzeugmaschinenfabrik Oerlikon Buhrle AG
Publication of EP0096186A1 publication Critical patent/EP0096186A1/en
Application granted granted Critical
Publication of EP0096186B1 publication Critical patent/EP0096186B1/en
Expired legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
    • F42B5/26—Cartridge cases
    • F42B5/28—Cartridge cases of metal, i.e. the cartridge-case tube is of metal

Definitions

  • the invention relates to a cartridge case consisting of a case base, a case body, a shoulder cone and a case neck, the wall thickness of the case body decreasing steadily from the case base against the shoulder cone.
  • the wall thickness of the shoulder cone is equal to or less than the wall thickness of the case body.
  • the object which is to be achieved with the present invention is to create a cartridge case which, when the cartridge is fed to the weapon, can withstand the forces which arise without undesirable compression of the shoulder cone.
  • the cartridge case according to the invention with which this object is achieved is characterized in that the wall of the shoulder cone is thicker than the wall of the case body at its thinnest point.
  • the wall of the sleeve body 13 becomes steadily thinner from the sleeve base 11 against the shoulder cone 14 to the point S2 and then steadily thicker up to the point S3.
  • the wall of the shoulder cone 14 either becomes steadily thinner from the sleeve body 13 against the sleeve neck 15 or has the same thickness everywhere.
  • the wall of the shoulder cone 14 is thicker than the wall of the sleeve body 13 at point S2. 1, the wall thickness of the sleeve body 13 steadily decreases from the value S1 to the value S 2 and then increases again steadily to the value S3.
  • the wall of the shoulder cone '14 has the same wall thickness everywhere with the value S3.
  • the sleeve neck 15 has the same wall thickness everywhere with the value S4.
  • an extrusion mandrel 16 is used to manufacture the cartridge case 10 according to the invention, which has an off in the area of the shoulder cone 14 on its circumference Saving or circumferential groove 17, such that a thickening 18 forms in the sleeve wall when the cartridge case 10 is extruded.
  • this thickening 18 is pressed radially outwards as indicated in FIG. 2 with a dashed line.
  • This cut-out 17 on the extrusion mandrel 16 makes it more difficult to strip the cartridge case 10 from the extrusion mandrel 16 without requiring a special stripping device. In this way, the necessary wall thickening 18 is achieved in the desired area and in the desired extent.
  • the wall is thickened by the desired amount at the desired location and the shoulder cone 14 is thus reinforced.
  • the dipping conditions of the sleeve when it is fed into the cartridge position r are influenced and adapted to the requirements.

Abstract

Beim Einführen von Patronen in eine Waffe besteht die Gefahr, dass dabei der Schulterkonus (14) der Patronenhülse (10) in unerwünschtem Masse deformiert wird. Zur Vermeidung dieses Nachteiles wird erfindungsgemäss die Wand des Schulterkonus' (14) dicker als die Wand des Hülsenkörpers (13) der Patronenhülse (10) ausgebildet. Zur Herstellung einer solchen Patronenhülse (10) wird ein Extrudierdorn (16) verwendet der im Bereich des Schulterkonus' (14) eine Aussparung (17) aufweist, zur Erzeugung einer Verdickung (18) in der Wand der Patronenhülse (10).When cartridges are inserted into a weapon, there is a risk that the shoulder cone (14) of the cartridge case (10) will be deformed to an undesirable extent. To avoid this disadvantage, the wall of the shoulder cone (14) is made thicker than the wall of the sleeve body (13) of the cartridge case (10). To produce such a cartridge case (10), an extrusion mandrel (16) is used which has a recess (17) in the region of the shoulder cone (14) to produce a thickening (18) in the wall of the cartridge case (10).

Description

Die Erfindung betrifft eine Patronenhülse bestehend aus einem Hülsenboden, einem Hülsenkörper, einem Schulterkonus und einem Hülsenhals, wobei die Wandstärke des Hülsenkörpers vom Hülsenboden gegen den Schulterkonus stetig abnimmt.The invention relates to a cartridge case consisting of a case base, a case body, a shoulder cone and a case neck, the wall thickness of the case body decreasing steadily from the case base against the shoulder cone.

Bei einer bekannten Patronenhülse (CH-PS503966) ist die Wandstärke des Schulterkonus' gleich wie oder kleiner als die Wandstärke des Hülsenkörpers. Bei der Zufuhr der Patrone mit einer solchen Patronenhülse zu einer Waffe ist die Beanspruchung des Schulterkonus am grössten wodurch dieser in unerwünschtem Masse gestaucht wird.In a known cartridge case (CH-PS503966) the wall thickness of the shoulder cone is equal to or less than the wall thickness of the case body. When the cartridge is fed to a weapon with such a cartridge case, the stress on the shoulder cone is greatest, as a result of which it is compressed to an undesirable extent.

Die Aufgabe, welche mit der vorliegenden Erfindung gelöst werden soll, besteht in der Schaffung einer Patronenhülse,die beim Zuführen der Patrone zur Waffe den auftretenden Kräften gewachsen ist, ohne dass unerwünschte Stauchungen des Schulterkonus entstehen.The object which is to be achieved with the present invention is to create a cartridge case which, when the cartridge is fed to the weapon, can withstand the forces which arise without undesirable compression of the shoulder cone.

Die erfindungsgemässe Patronenhülse mit der diese Aufgabe gelöst wird, ist dadurch gekennzeichnet, dass die Wand des Schulterkonus' dicker ist als die Wand des Hülsenkörpers an ihrer dünnsten Stelle.The cartridge case according to the invention with which this object is achieved is characterized in that the wall of the shoulder cone is thicker than the wall of the case body at its thinnest point.

Ein Ausführungsbeispiel der erfindungsgemässen Patronenhülse und der Vorrichtung zur Herstellung dieser Hülse ist im folgenden anhand der beigefügten Zeichnung ausführlich beschrieben. Es zeigt:

  • Fig. 1 einen Längsschnitt durch eine fertige Patronenhülse
  • Fig. 2 einen Längsschnitt durch eine Patronenhülse in einem Zwischenstadium der Fertigung mit einem Extrudierdorn.
An embodiment of the cartridge case according to the invention and the device for producing this case is described in detail below with reference to the accompanying drawing. It shows:
  • Fig. 1 shows a longitudinal section through a finished cartridge case
  • Fig. 2 shows a longitudinal section through a cartridge case in an intermediate stage of production with an extrusion mandrel.

Gemäss Fig. 1 besteht die Patronenhülse aus

  • a) einem Hülsenboden 11, der eine Bohrung 12 zum Einsetzen einer nicht dargestellten Zündkapsel besitzt,
  • b) einem Hülsenkörper 13, der vorzugsweise leicht konisch ausgebildet ist, z.B. 2,5% d.h. 0° 42' 58"
  • c) einem Schulterkonus 14, der stärker konisch ausgebildet ist, z.B. 180 30' und
  • d) einem Hülsenhals 15, der vorzugsweise zylindrisch ausgebildet ist.
1, the cartridge case consists of
  • a) a sleeve base 11 which has a bore 12 for inserting a primer, not shown,
  • b) a sleeve body 13, which is preferably slightly conical, for example 2.5%, ie 0 ° 42 '58 "
  • c) a shoulder cone 14 which is more conical, for example 18 0 30 'and
  • d) a sleeve neck 15, which is preferably cylindrical.

Die Wand des Hülsenkörpers 13 wird vom Hülsenboden 11 gegen den Schulterkonus 14 bis zur Stelle S2 stetig dünner und anschliessend bis zur Stelle S3 wieder stetig dicker. Die Wand des Schulterkonus' 14 wird entweder vom Hülsenkörper 13 gegen den Hülsenhals 15 stetig dünner oder ist überall gleich dick.The wall of the sleeve body 13 becomes steadily thinner from the sleeve base 11 against the shoulder cone 14 to the point S2 and then steadily thicker up to the point S3. The wall of the shoulder cone 14 either becomes steadily thinner from the sleeve body 13 against the sleeve neck 15 or has the same thickness everywhere.

Erfindungsgemäss ist die Wand des Schulterkonus' 14 dikker als die Wand des Hülsenkörpers 13 an der Stelle S2. Die Wandstärke des Hülsenkörpers 13 nimmt gemäss Fig. 1 stetig vom Wert Sl auf den Wert S 2 ab und steigt dann wieder stetig auf den Wert S3 an. Die Wand des Schulterkonus'14 hat überall die selbe Wandstärke mit dem Wert S3. Der Hülsenhals 15 hat überall dieselbe Wandstärke mit dem Wert S4.According to the invention, the wall of the shoulder cone 14 is thicker than the wall of the sleeve body 13 at point S2. 1, the wall thickness of the sleeve body 13 steadily decreases from the value S1 to the value S 2 and then increases again steadily to the value S3. The wall of the shoulder cone '14 has the same wall thickness everywhere with the value S3. The sleeve neck 15 has the same wall thickness everywhere with the value S4.

Die Verstärkung der Wand des Schulterkonus' 14 ist notwendig, da bei der Zufuhr der Patrone zur Waffe dieser Bereich der Patronenhülse 10 stärker beansprucht wird, insbesondere durch die Beschleunigungs- bzw. Verzögerungs kräfte.The reinforcement of the wall of the shoulder cone '14 is necessary, since this area of the cartridge case 10 is subjected to greater stress when the cartridge is supplied to the weapon, in particular by the acceleration or deceleration forces.

Gemäss Fig. 2 wird zur Herstellung der erfindungsgemässen Patronenhülse 10 ein Extrudierdorn 16 verwendet, der im Bereich des Schulterkonus' 14 an seinem Umfang eine Aussparung oder Umfangsnut 17 aufweist, derart, dass sich beim Extrudieren der Patronenhülse 10 eine Verdickung 18 in der Hülsenwand bildet. Beim Zurückziehen des Extrudier dornes 16 in Richtung des Pfeiles A aus der Patronenhülse 10 heraus, wird diese Verdickung 18 radial nach aussen gedrückt wie in Fig. 2 mit gestrichelter Linie angedeutet ist. Durch diese Aussparung 17 am Extrudierdorn 16 wird das Abstreifen der Patronenhülse 10 vom Extrudierdorn 16 erschwert, ohne dass eine spezielle Abstreifvorrichtung erforderlich ist. Auf diese Weise wird die notwendige Wandverdickung 18 im gewünschten Bereich und im gewünschten Ausmass erreicht.According to FIG. 2, an extrusion mandrel 16 is used to manufacture the cartridge case 10 according to the invention, which has an off in the area of the shoulder cone 14 on its circumference Saving or circumferential groove 17, such that a thickening 18 forms in the sleeve wall when the cartridge case 10 is extruded. When withdrawing the extrusion mandrel 16 in the direction of arrow A out of the cartridge case 10, this thickening 18 is pressed radially outwards as indicated in FIG. 2 with a dashed line. This cut-out 17 on the extrusion mandrel 16 makes it more difficult to strip the cartridge case 10 from the extrusion mandrel 16 without requiring a special stripping device. In this way, the necessary wall thickening 18 is achieved in the desired area and in the desired extent.

Beim Einziehen oder Formen des Hülsenhalses, d.h. bei der endgültigen Formgebung der Hülse wird die Wand an der gewünschten Stelle um den gewünschten Betrag verdickt und der Schulterkonus 14 damit verstärkt. Mit dieser Verdickung des Schulterkonus' 14 um den gewünschten Betrag werden die Einstauchverhältnisse der Hülse beim Zuführen in das Patronenlagerbeeinflusst und den Erfordernissen angepasst.When the sleeve neck is drawn in or shaped, ie when the sleeve is finally shaped, the wall is thickened by the desired amount at the desired location and the shoulder cone 14 is thus reinforced. With this thickening of the shoulder cone 14 by the desired amount, the dipping conditions of the sleeve when it is fed into the cartridge position r are influenced and adapted to the requirements.

BezugsziffernlisteReference number list

  • 10 Patronenhülse10 cartridge case
  • 11 Hülsenboden11 sleeve base
  • 12 Bohrung12 hole
  • 13 Hülsenkörper13 sleeve body
  • 14 Schulterkonus14 shoulder cone
  • 15 Hülsenhals15 sleeve neck
  • 16 Extrudierdorn16 extrusion mandrel
  • 17 Aussparung-Umfangsnut17 Recess circumferential groove
  • 18 Verdickung18 thickening

Claims (5)

1. Patronenhülse bestehend aus einem Hülsenboden (11), einem Hülsenkörper (13), einem Schulterkonus (14) und einem Hülsenhals (15), wobei die Wandstärke des Hülsenkörpers (13) vom Hülsenboden (11) gegen den Schulterkonus (14) stetig abnimmt, dadurch gekennzeichnet, dass die Wand des Schulterkonus' (14) dicker ist als die Wand des Hülsenkörpers (13) an ihrer dünnsten Stelle (S2).1. cartridge case consisting of a sleeve base (11), a sleeve body (13), a shoulder cone (14) and a sleeve neck (15), the wall thickness of the sleeve body (13) from the sleeve base (11) against the shoulder cone (14) steadily decreasing , characterized in that the wall of the shoulder cone (14) is thicker than the wall of the sleeve body (13) at its thinnest point (S2). 2. Patronenhülse nach Anspruch 1, dadurch gekennzeichnet, dass die Wandstärke des Schulterkonus'(14) überall gleich ist und den Wert S3 besitzt.2. cartridge case according to claim 1, characterized in that the wall thickness of the shoulder cone (14) is the same everywhere and has the value S3. 3. Patronenhülse nach Anspruch 1, dadurch gekennzeichnet, dass die Wandstärke des Hülsenkörpers (13) zuerst bis auf einen Wert S2 stetig abnimmt und anschliessend bis auf einen Wert S3 stetig zunimmt.3. cartridge case according to claim 1, characterized in that the wall thickness of the sleeve body (13) first decreases continuously to a value S2 and then increases continuously to a value S3. 4. Patronenhülse nach Anspruch 2, dadurch gekennzeichnet, dass die Wand des Hülsenhalses (15) dünner ist als die Wand des Schulterkonus' (14).4. cartridge case according to claim 2, characterized in that the wall of the sleeve neck (15) is thinner than the wall of the shoulder cone (14). 5. Vorrichtung zur Herstellung der Patronenhülse nach Anspruch 1 im Extrudierverfahren mit einem Extrudierdorn (16), dadurch gekennzeichnet, dass der Extrudierdorn (16) im Bereich des Schulterkonus (14)eine Aussparung (17) aufweist zur Erzeugung einer Verdickung (18) in der Wand der Patronenhülse (10).5. Device for producing the cartridge case according to claim 1 in the extrusion process with an extrusion mandrel (16), characterized in that the extrusion mandrel (16) in the region of the shoulder cone (14) has a recess (17) for producing a thickening (18) in the Wall of the cartridge case (10).
EP83103567A 1982-06-08 1983-04-13 Cartridge case Expired EP0096186B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH351582 1982-06-08
CH3515/82 1982-06-08

Publications (2)

Publication Number Publication Date
EP0096186A1 true EP0096186A1 (en) 1983-12-21
EP0096186B1 EP0096186B1 (en) 1986-08-13

Family

ID=4257650

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83103567A Expired EP0096186B1 (en) 1982-06-08 1983-04-13 Cartridge case

Country Status (8)

Country Link
US (1) US4535697A (en)
EP (1) EP0096186B1 (en)
JP (1) JPS594899A (en)
CA (1) CA1191736A (en)
DE (1) DE3365245D1 (en)
IL (1) IL68555A (en)
NO (1) NO154105C (en)
ZA (1) ZA833872B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0584456A1 (en) * 1992-08-26 1994-03-02 NWM de Kruithoorn B.V. Cartridge use for a propellant charge method of manufacture

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0430091Y2 (en) * 1985-08-09 1992-07-21
US5841062A (en) * 1996-01-29 1998-11-24 The United States Of America As Represented By The Secretary Of The Army Tank cartridge
WO2003036222A1 (en) 2001-10-22 2003-05-01 Armtec Defense Products Co. Ammunition round assembly with combustible cartridge case
US6901866B2 (en) 2001-11-27 2005-06-07 Armtec Defense Products Company Combustible cased telescoped ammunition assembly
US7363861B2 (en) * 2004-08-13 2008-04-29 Armtec Defense Products Co. Pyrotechnic systems and associated methods
US8146502B2 (en) 2006-01-06 2012-04-03 Armtec Defense Products Co. Combustible cartridge cased ammunition assembly
US20100274544A1 (en) * 2006-03-08 2010-10-28 Armtec Defense Products Co. Squib simulator
US7913625B2 (en) * 2006-04-07 2011-03-29 Armtec Defense Products Co. Ammunition assembly with alternate load path
USD813975S1 (en) * 2015-08-05 2018-03-27 Mark White Low volume subsonic bullet cartridge case
US10113846B2 (en) * 2016-07-07 2018-10-30 General Dynamics Ordnance and Tactical Systems-Canada, Inc. Systems and methods for reducing munition sensitivity

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE119753C (en) *
GB191102762A (en) * 1911-02-03 1911-11-23 Leslie Bown Taylor Improvements in Cartridges.
DE700255C (en) * 1936-09-07 1940-12-16 Aluminium Ind Akt Ges manufacture of this case
DE1113880B (en) * 1960-02-05 1961-09-14 Dynamit Nobel Ag Plastic cartridge case
US3485170A (en) * 1967-11-29 1969-12-23 Remington Arms Co Inc Expendable case ammunition
CH503966A (en) * 1970-01-15 1971-02-28 Harvey Aluminum Inc Projectile casing made of aluminum or an aluminum alloy and process for their manufacture
GB1314542A (en) * 1969-05-07 1973-04-26 Remington Arms Co Inc Firing systems employing cartridges having a deformable casting and a gun

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2402068A (en) * 1944-01-14 1946-06-11 Remington Arms Co Inc Ammunition
GB732633A (en) * 1953-06-27 1955-06-29 Ringdal Lars Improvements in ammunition cartridges
NL101706C (en) * 1958-11-03
GB1314524A (en) * 1969-04-22 1973-04-26 Dunlop Holdings Ltd Voltage dividing devices
JPS4943437B1 (en) * 1970-07-23 1974-11-21
DE2313051A1 (en) * 1973-03-16 1974-09-19 Karlsruhe Augsburg Iweka CARTRIDGE CASE, IN PARTICULAR FOR AMMUNITION WITH HIGH GAS PRESSURE
US3977326A (en) * 1975-02-06 1976-08-31 Remington Arms Company, Inc. Composite cartridge casing and method of assembly

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE119753C (en) *
GB191102762A (en) * 1911-02-03 1911-11-23 Leslie Bown Taylor Improvements in Cartridges.
DE700255C (en) * 1936-09-07 1940-12-16 Aluminium Ind Akt Ges manufacture of this case
DE1113880B (en) * 1960-02-05 1961-09-14 Dynamit Nobel Ag Plastic cartridge case
US3485170A (en) * 1967-11-29 1969-12-23 Remington Arms Co Inc Expendable case ammunition
GB1314542A (en) * 1969-05-07 1973-04-26 Remington Arms Co Inc Firing systems employing cartridges having a deformable casting and a gun
CH503966A (en) * 1970-01-15 1971-02-28 Harvey Aluminum Inc Projectile casing made of aluminum or an aluminum alloy and process for their manufacture

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0584456A1 (en) * 1992-08-26 1994-03-02 NWM de Kruithoorn B.V. Cartridge use for a propellant charge method of manufacture
US5419258A (en) * 1992-08-26 1995-05-30 Nwm De Kruithoorn B.V. Steel propellant casing

Also Published As

Publication number Publication date
JPS6235599B2 (en) 1987-08-03
NO154105C (en) 1986-07-16
IL68555A (en) 1987-08-31
NO831891L (en) 1983-12-09
US4535697A (en) 1985-08-20
ZA833872B (en) 1984-02-29
CA1191736A (en) 1985-08-13
NO154105B (en) 1986-04-07
DE3365245D1 (en) 1986-09-18
JPS594899A (en) 1984-01-11
EP0096186B1 (en) 1986-08-13

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