EP1376047B1 - Projectile à paroi du type à fragmentation et sa méthode de fabrication - Google Patents
Projectile à paroi du type à fragmentation et sa méthode de fabrication 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.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Manufacturing & Machinery (AREA)
- Laminated Bodies (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Making Paper Articles (AREA)
Claims (5)
- Projectile comportant une enveloppe extérieure (2) du type à fragmentation et une feuille plastique (3) adjacente à l'enveloppe extérieure (2) du côté intérieur, dans laquelle est agencée une charge explosive, la feuille plastique (3) comportant une zone structurée (5), munie de creux (4) en forme de toit, et au moins une zone lisse (7, 8) aboutée à la zone structurée (5) et s'appuyant par conjugaison de forme sur la paroi intérieure (6) de l'enveloppe extérieure (2), la zone structurée (5) de la feuille plastique (3) étant formée par une matière plastique résistant à la déformation, caractérisé en ce que la zone lisse (7, 8) est formée par une matière plastique élastique.
- Projectile selon la revendication 1, caractérisé en ce que la matière plastique élastique est un polypropylène, auquel est ajouté un complément élastique.
- Projectile selon la revendication 1 ou 2, caractérisé en ce que la matière plastique résistant à la déformation est un polypropylène.
- Procédé de fabrication d'un projectile (1) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que pour, la réalisation de la feuille plastique (3), la zone (5) en matière plastique résistant à la déformation et la zone (7, 8) en matière plastique élastique sont réalisées séparément et en ce que les feuilles partielles correspondant à ces zones (5, 7, 8) sont assemblées les unes aux autres par soudage, collage ou par thermofusion au cours du soufflage.
- Procédé de fabrication d'un projectile (1) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que, pour la réalisation de la feuille plastique (3), on réalise tout d'abord, par extrusion-soufflage de corps creux à partir de matières conformément différentes et de même base, un tuyau flexible d'un seul tenant, auquel on confère ensuite son contour définitif dans un moule de soufflage.
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 (fr) | 2004-01-02 |
EP1376047A3 EP1376047A3 (fr) | 2004-03-24 |
EP1376047B1 true EP1376047B1 (fr) | 2004-12-08 |
Family
ID=7714696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03005875A Expired - Lifetime EP1376047B1 (fr) | 2002-06-22 | 2003-03-15 | Projectile à paroi du type à fragmentation et sa méthode de fabrication |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1376047B1 (fr) |
DE (2) | DE10227955A1 (fr) |
ES (1) | ES2232795T3 (fr) |
IL (1) | IL156554A (fr) |
NO (1) | NO327310B1 (fr) |
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 ES ES03005875T patent/ES2232795T3/es not_active Expired - Lifetime
- 2003-03-15 EP EP03005875A patent/EP1376047B1/fr not_active Expired - Lifetime
- 2003-03-15 DE DE2003500188 patent/DE50300188D1/de not_active Expired - Fee Related
- 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 |
---|---|
IL156554A (en) | 2007-12-03 |
DE10227955A1 (de) | 2004-01-15 |
EP1376047A2 (fr) | 2004-01-02 |
EP1376047A3 (fr) | 2004-03-24 |
ES2232795T3 (es) | 2005-06-01 |
NO20031258L (no) | 2003-12-23 |
IL156554A0 (en) | 2004-01-04 |
DE50300188D1 (de) | 2005-01-13 |
NO20031258D0 (no) | 2003-03-19 |
NO327310B1 (no) | 2009-06-02 |
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