EP1376047B1 - Geschoss mit einer splitterbildenden äusseren Hülle und Verfahren zu seiner Herstellung - Google Patents
Geschoss mit einer splitterbildenden äusseren Hülle und Verfahren zu seiner Herstellung Download PDFInfo
- Publication number
- EP1376047B1 EP1376047B1 EP03005875A EP03005875A EP1376047B1 EP 1376047 B1 EP1376047 B1 EP 1376047B1 EP 03005875 A EP03005875 A EP 03005875A EP 03005875 A EP03005875 A EP 03005875A EP 1376047 B1 EP1376047 B1 EP 1376047B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- area
- elastic
- shell
- plastics material
- plastics
- 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 - Lifetime
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000000463 material Substances 0.000 claims description 22
- 239000004033 plastic Substances 0.000 claims description 19
- 229920003023 plastic Polymers 0.000 claims description 19
- 239000002360 explosive Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 7
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 238000007373 indentation Methods 0.000 claims description 6
- -1 polypropylene Polymers 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 238000000071 blow moulding Methods 0.000 claims description 4
- 230000000284 resting effect Effects 0.000 claims 1
- 239000002985 plastic film Substances 0.000 description 17
- 229920006255 plastic film Polymers 0.000 description 17
- 230000001133 acceleration Effects 0.000 description 3
- 238000007792 addition Methods 0.000 description 3
- 206010041662 Splinter Diseases 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
- F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
- F42B12/20—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type
- F42B12/22—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type with fragmentation-hull construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B33/00—Manufacture of ammunition; Dismantling of ammunition; Apparatus therefor
- F42B33/02—Filling cartridges, missiles, or fuzes; Inserting propellant or explosive charges
Definitions
- the invention relates to a projectile with a splinter-forming outer shell and one on the inside adjoining the outer shell plastic film, in which a Explosive charge is arranged.
- the invention further relates to methods of manufacture of such a floor.
- Such a projectile is known for example from DE-AS 1 812 462. It points the plastic film has a structured area with several circumferential sides evenly distributed and inward-facing roof-shaped indentations is provided, wherein the indentations of adjacent rows are arranged offset from one another are. At least the structured area of the plastic film is laterally connected a smooth area of the film with which the film is form-fitting on the inner wall fits the outer shell. As far as the applicant is aware, is used as material for the total, i.e. plastic film covering both areas an elastic propylene (propylene, which is provided with an elastic addition).
- the invention has for its object in a projectile of the type mentioned ensure that it is safe even when using plastic-bound explosives no cracking of the explosives during the acceleration phase of the projectile comes. Methods for producing such a projectile are also to be disclosed become.
- the invention is essentially based on the idea that a film is a plastic film to be used, which have at least two areas of different strength properties consists.
- the plastic film consists of a deformation-resistant Material, which impresses the roof-shaped indentations during the acceleration phase of the projectile prevented by the explosive.
- the plastic film consists of an elastic plastic material, so that the film in this area is elastic and form-fitting against the inner wall the outer shell is pressed.
- the areas can be used to produce the plastic film for the projectile according to the invention made of rigid plastic material and elastic plastic material be produced separately by blow molding and then together welded, glued or melted together when blowing.
- Polypropylene has again been found to be advantageous as the base material for the plastic film proved.
- Appropriate additives on the one hand result in a very rigid deformation Material and on the other hand (e.g. by a rubber-elastic additive) a corresponding elastic material.
- the side view is of an artillery weapon lockable explosive bullet before the introduction of an explosive charge and the closure of the front mouth hole with an impact igniter.
- the floor is designated by 1, which comprises a splinter-forming outer shell 2 Steel covered. Inside the shell 2 is a plastic film 3, in which the explosives, not shown, is arranged.
- the plastic film 3 has a central one with roof-shaped indentations 4 structured area 5.
- This structured area 5 adjoins the front and on the rear side each with a positive fit on the inner wall 6 of the outer casing 2 adjacent smooth area 7, 8.
- the structured area 5 of the plastic film 3 consists of a deformation-resistant Plastic material, e.g. made of polypropylene, possibly glass fiber reinforced, during the smooth areas 7, 8 of the plastic film 3 each made of an elastic plastic material, e.g. from a polypropylene with an elastic addition, consist.
- a deformation-resistant Plastic material e.g. made of polypropylene, possibly glass fiber reinforced, during the smooth areas 7, 8 of the plastic film 3 each made of an elastic plastic material, e.g. from a polypropylene with an elastic addition, consist.
- the plastic film 3 for the invention Floor 1 from separate sub-films corresponding to areas 5, 7, 8 assembled and in the areas designated 9, 10 with each other, e.g. with help by ultrasound, welded.
- the invention is not based on the embodiment described above limited.
- a material for the plastic film instead of polypropylene another base material can be used, in which by appropriate Additions the required strength requirements can be set.
Description
- 1
- Geschoß
- 2
- Hülle
- 3
- Kunststoff-Folie
- 4
- Einbuchtung
- 5
- strukturierte Bereich, Bereich
- 6
- Innenwand
- 7,8
- glatte Bereiche, Bereich
- 9,10
- Bereiche
Claims (5)
- Geschoß mit einer splitterbildenden äußeren Hülle (2) und einer innenseitig sich an die äußere Hülle (2) anschließenden Kunststoff-Folie (3), in welcher eine Sprengladung angeordnet ist, wobei die Kunststoff-Folie (3) einen mit dachförmigen Einbuchtungen (4) versehenen strukturierten Bereich (5) und mindestens einen seitlichen, sich an den strukturierten Bereich (5) anschließenden und an der Innenwand (6) der äußeren Hülle (2) anliegenden glatten Bereich (7, 8) aufweist und der strukturierte Bereich (5) der Kunststoff-Folie (3) aus einem verformungssteifen Kunststoffmaterial besteht, dadurch gekennzeichnet, daß der glatte Bereich (7, 8) aus einem elastischen Kunststoffmaterial besteht.
- Geschoß nach Anspruch 1, dadurch gekennzeichnet, daß es sich bei dem elastischen Kunststoffmaterial um Polypropylen handelt, welches mit einem gummielastischen Zusatz versehen ist.
- Geschoß nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß es sich bei dem verformungssteifen Kunststoffmaterial um Polypropylen handelt.
- Verfahren zur Herstellung eines Geschosses (1) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß zur Herstellung der Kunststoff-Folie (3) der Bereich (5) aus verformungssteifem Kunststoffmaterial und der Bereich (7, 8) aus elastischem Kunststoffmaterial separat hergestellt werden und daß die diesen Bereichen (5, 7, 8) entsprechenden Teilfolien dann miteinander verschweißt, verklebt oder schmelzflüssig beim Blasen zusammengefügt werden.
- Verfahren zur Herstellung eines Geschosses (1) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß zur Herstellung der Kunststoff-Folie (3) durch Hohlkörperblasen aus entsprechend unterschiedlichen Materialien gleicher Grundbasis zunächst ein einstückiger Schlauch hergestellt wird, welcher anschließend in einer Blasform seine endgültige Kontur enthält.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10227955A DE10227955A1 (de) | 2002-06-22 | 2002-06-22 | Geschoß mit einer splitterbildenden äußeren Hülle und Verfahren zu seiner Herstellung |
DE10227955 | 2002-06-22 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1376047A2 EP1376047A2 (de) | 2004-01-02 |
EP1376047A3 EP1376047A3 (de) | 2004-03-24 |
EP1376047B1 true EP1376047B1 (de) | 2004-12-08 |
Family
ID=7714696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03005875A Expired - Lifetime EP1376047B1 (de) | 2002-06-22 | 2003-03-15 | Geschoss mit einer splitterbildenden äusseren Hülle und Verfahren zu seiner Herstellung |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1376047B1 (de) |
DE (2) | DE10227955A1 (de) |
ES (1) | ES2232795T3 (de) |
IL (1) | IL156554A (de) |
NO (1) | NO327310B1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006034891A1 (de) * | 2006-07-25 | 2008-02-07 | Rheinmetall Waffe Munition Gmbh | Liner |
DE102012000011A1 (de) * | 2012-01-02 | 2013-07-04 | Rheinmetall Waffe Munition Gmbh | Drallstabilisiertes Sprenggeschoss |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3491694A (en) * | 1954-06-08 | 1970-01-27 | Us Navy | Plastic liners for controlled fragmentation |
CH485194A (de) * | 1968-01-25 | 1970-01-31 | Oerlikon Buehrle Ag | Geschoss mit Splittermantel |
FR2741437B1 (fr) * | 1995-11-16 | 1997-12-19 | Poudres & Explosifs Ste Nale | Procede de fabrication d'un element de munition explosive a fragmentation controlee |
-
2002
- 2002-06-22 DE DE10227955A patent/DE10227955A1/de not_active Withdrawn
-
2003
- 2003-03-15 DE DE2003500188 patent/DE50300188D1/de not_active Expired - Fee Related
- 2003-03-15 ES ES03005875T patent/ES2232795T3/es not_active Expired - Lifetime
- 2003-03-15 EP EP03005875A patent/EP1376047B1/de not_active Expired - Lifetime
- 2003-03-19 NO NO20031258A patent/NO327310B1/no not_active IP Right Cessation
- 2003-06-19 IL IL156554A patent/IL156554A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ES2232795T3 (es) | 2005-06-01 |
EP1376047A3 (de) | 2004-03-24 |
EP1376047A2 (de) | 2004-01-02 |
DE10227955A1 (de) | 2004-01-15 |
IL156554A (en) | 2007-12-03 |
IL156554A0 (en) | 2004-01-04 |
NO20031258D0 (no) | 2003-03-19 |
DE50300188D1 (de) | 2005-01-13 |
NO327310B1 (no) | 2009-06-02 |
NO20031258L (no) | 2003-12-23 |
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