EP0431666B1 - Corps fragmentable incendiaire, son procédé de fabrication et son utilisation - Google Patents
Corps fragmentable incendiaire, son procédé de fabrication et son utilisation Download PDFInfo
- Publication number
- EP0431666B1 EP0431666B1 EP90203072A EP90203072A EP0431666B1 EP 0431666 B1 EP0431666 B1 EP 0431666B1 EP 90203072 A EP90203072 A EP 90203072A EP 90203072 A EP90203072 A EP 90203072A EP 0431666 B1 EP0431666 B1 EP 0431666B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- incendiary
- fragmentation
- manufacture
- metal
- pyrophoric
- 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
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
- F42B12/32—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 the hull or case comprising a plurality of discrete bodies, e.g. steel balls, embedded therein or disposed around the explosive charge
-
- 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
- F42B12/36—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information
- F42B12/44—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information of incendiary type
Definitions
- the invention relates to a fire splitter consisting of a metallic support body with ribs and a fire mass provided with the support body and a method for producing such a fire splitter and active bodies containing splinters and their use.
- a fire splitter according to the preamble of the claim is known from FR -A1- 2 278 055.
- Fire fragments in particular for projectiles with an oxygen carrier provided in the fire mass, are also known (DE-A1- 34 01 538).
- the object of the invention is to create fire splinters with good ballistic properties which are able to penetrate the target and are richly contaminated with pyrophoric fire mass in order to achieve the desired fire effect.
- the aforementioned object is achieved in that the fire mass is applied to the surface of the splinter, but at least in the space between the ribs.
- fire splinters are produced step by step in that in a first process step the splinter is coated with the hardener of a two-component epoxy resin at room temperature, and in a second step a preheated mixture of resin and pyrophoric metal is applied to the splitter.
- An advantage is the spherical shape of the splinters, which ensures good ballistic behavior and thus a high operating distance.
- the number of ribs and grooves can vary, with at least three equally offset from one another having balanced flight behavior.
- epoxy resins Mixtures of pyrophoric metals in epoxy resins have proven to be the most advantageous type of fire mass according to claims 3 and 4.
- the epoxy resins adhere well to most materials and, on the other hand, metals can be enclosed relatively well via the reactive functional groups of the epoxy resins.
- epoxy resins do not attack metals and resist atmospheric influences.
- zirconium, hafnium, uranium, titanium or aluminum serve as pyrophoric metals.
- two minutes at a pressure of 1000 to 2000 bar, preferably 1500 bar, are the minimum contact time required so that the fire mass adheres well to the support body and the polymer hardens.
- the subject matter of the invention is preferably used to produce an active body by the method of claim 8.
- the spherical support body 1 for the fire mass, FIG. 1, has two end faces 4 and is provided on its envelope surface 3 with ribs 5 and grooves 2, which alternate with one another.
- This support body is made from a round steel wire. Cylinders of 4.0 mm in diameter and 4.0 mm in length are cut and cold-pressed in a manner known per se to this support of ribs and grooves.
- Fig. 2 shows the fire splitter, i.e. provide the support body with fire mass 6.
- the fire mass 6 mainly fills the grooves 2 of the supporting body. - But you can also cover the entire surface of the support body 1.
- QAZ quasi-alloy
- the supporting bodies 1 are degreased and lightly etched with dilute nitric acid in order to facilitate the adhesion of the fire mass 6 in the grooves 2 and on the envelope surface 3.
- the fire mass 6 is brought to the supporting body or splinter in two stages:
- the splinters are mixed with the viscous hardener component of the QAZ alloy at room temperature.
- the hardening compound thus adheres in the grooves and on the envelope surface of the support body.
- the second component of the QAZ alloy the partial mass consisting of resin and pyrophoric metal, is preheated to the temperature of 120 ° C recommended by the manufacturer. Then both partial masses and the supporting body 1 are mixed together, homogenized by means of vibration at 70 Hz and loaded into a spherical pressing tool known per se.
- the hardener sticks mainly to the supporting body.
- the resin-powder mixture penetrates into the grooves of the splinters and thereby displaces the adhesive hardener, which subsequently diffuses evenly into the resin mass and triggers the polymerization reaction.
- the fire mass mainly hardens in the grooves of the supporting body and thus increases the adhesive force and the integrity of the fire splinter.
- the polymerization reaction of the resin is delayed by the cold temperature of the support body (room temperature).
- the polymerization is accelerated in the previously heated resin-powder mixture. After about 5 minutes, the mold can be removed and the hardened splinter body can be used for further processing and / or use.
- the production of active parts of ammunition bodies which have a large number of fire fragments 1 is preferred.
- the procedure is analogous to the manufacture of individual fire fragments.
- the active body is compressed in a form adapted to the ammunition body and can then be easily handled and installed.
- a projectile tip with detonator 11 can be seen in FIG. 3.
- a steel ring 12 serves as a connecting piece to an outer jacket 14 of the projectile made of an aluminum alloy. It has sliding rings 17 on its outermost diameter, which are used for sealing and guiding in the tube.
- An inner jacket 15 is the active part and has a large number of splinters 1 'which are cast in a matrix made of epoxy resin.
- the explosive device 16 is located in the center of the floor in the usual manner; at the end of the floor the tail unit 13.
- FIG. 4 shows the use of the fire splinters in controllable, nonballistic missiles.
- several inner shells 15, 15 'and corresponding explosive devices 16, 16' are combined and tubular via sealing rings 17 connected with each other.
- Spherical ammunition bodies with radial splinter ejection can be produced in the same way, FIG. 5.
- the fire splinters 1 ' are embedded in a matrix made of QAZ epoxy resin.
- Shells 14, 14 'made of light metal alloys known per se have proven themselves in all ammunition bodies, since these only minimally hinder the ejection of the fragments.
- - Coats made of impact-resistant and temperature-resistant plastic are also conceivable, which splinter even more easily and thus increase the final ballistic performance of the fire splinter 1 '.
- the pyrophoric metals known per se with a two-component, organic polymer can also be used.
- the matrix can also consist of a pyrophoric metal and / or a less explosive explosive, for example an aluminum-containing explosive.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Water Treatment By Sorption (AREA)
- Formation And Processing Of Food Products (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Peptides Or Proteins (AREA)
- Plural Heterocyclic Compounds (AREA)
- Epoxy Resins (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Powder Metallurgy (AREA)
- Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
- Building Environments (AREA)
Claims (11)
- Corps incendiaire fragmentable, comprenant un corps de support métallique (1) avec une surface enveloppante au moins sensiblement sphérique, le corps de support (1) étant garni d'une masse incendiaire (6), caractérisé en ce que le corps de support (1) présente des nervures (5) à profil de came, et qu'au moins les espaces (2) prévus entre les nervures (5) sous des angles identiques sont remplis de la matière incendiaire (6).
- Corps incendiaire fragmentable selon la revendication 1, caractérisé en ce que la masse incendiaire (6) est constituée à chaque fois d'au moins un métal pyrophorique et d'un polymère organique.
- Corps incendiaire fragmentable selon la revendication 2, caractérisé en ce que le métal pyrophorique est du zirconium, du hafnium, de l'uranium, du titane ou de l'aluminium.
- Corps incendiaire fragmentable selon la revendication 2, caractérisé en ce que le polymère organique est une résine époxyde.
- Procédé de fabrication d'un corps incendiaire fragmentable selon la revendication 1, caractérisé en ce que dans une première étape, le corps fragmentable est enduit à la température ambiante avec le durcisseur d'une résine époxyde à deux composants, et que dans une seconde étape, un mélange réchauffé de résine et de métal pyrophorique est appliqué sur le corps fragmentable.
- Procédé de fabrication d'un corps incendiaire fragmentable selon la revendication 5, caractérisé en ce que le mélange de métal pyrophorique et de résine est appliqué sous pression sur le corps fragmentable pendant au moins deux minutes.
- Procédé de fabrication d'un corps de support d'un corps incendiaire fragmentable selon la revendication 1, caractérisé en ce que son corps de support métallique est séparé d'un fil d'acier de section circulaire et formé par compression.
- Procédé de fabrication d'un corps actif contenant des corps incendiaires fragmentables selon l'une des revendications 1 à 4, caractérisé en ce que dans une première étape, les corps fragmentables sont enduits à la température ambiante avec le durcisseur d'une résine époxyde à deux composants, et que dans une seconde étape, un mélange réchauffé de résine et de métal pyrophorique est appliqué sur les corps fragmentables lesquels sont ensuite durcis dans un moule.
- Procédé de fabrication d'un corps actif contenant des corps incendiaires fragmentables selon la revendication 8, caractérisé en ce que le mélange de métal pyrophorique et de résine est appliqué sur le corps fragmentable et comprimé et durci pendant au moins deux minutes sous pression de manière à former un élément actif d'un corps de munition.
- Utilisation du corps incendiaire fragmentable selon au moins l'une des revendications précédentes dans une matrice d'un corps de munition.
- Utilisation du corps incendiaire fragmentable selon la revendication 10 dans une matrice de métal pyrophorique et/ou d'explosif peu brisant.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT90203072T ATE93314T1 (de) | 1989-12-06 | 1990-11-20 | Brandsplitter, verfahren zur herstellung sowie dessen verwendung. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH4372/89 | 1989-12-06 | ||
CH4372/89A CH681326A5 (fr) | 1989-12-06 | 1989-12-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0431666A1 EP0431666A1 (fr) | 1991-06-12 |
EP0431666B1 true EP0431666B1 (fr) | 1993-08-18 |
Family
ID=4274874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90203072A Expired - Lifetime EP0431666B1 (fr) | 1989-12-06 | 1990-11-20 | Corps fragmentable incendiaire, son procédé de fabrication et son utilisation |
Country Status (11)
Country | Link |
---|---|
US (1) | US5076169A (fr) |
EP (1) | EP0431666B1 (fr) |
AT (1) | ATE93314T1 (fr) |
CH (1) | CH681326A5 (fr) |
DE (1) | DE59002389D1 (fr) |
DK (1) | DK0431666T3 (fr) |
ES (1) | ES2044416T3 (fr) |
FI (1) | FI905945A (fr) |
IL (1) | IL96315A (fr) |
NO (1) | NO172866C (fr) |
TR (1) | TR24877A (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2692034A1 (fr) * | 1992-06-05 | 1993-12-10 | Dercipp Sarl | Grenade assemblée. |
DE10140600A1 (de) | 2001-08-18 | 2003-03-06 | Rheinmetall W & M Gmbh | Brandsatz für ein flügelstabilisiertes Wuchtgeschoß |
FR2896868B1 (fr) * | 2006-01-30 | 2010-07-30 | Soc D Application Des Procedes Lefebvre | Grenade fragmentable en projectiles de faible energie cinetique. |
IL189612A (en) * | 2008-02-19 | 2012-10-31 | Rafael Advanced Defense Sys | Flammable arrowhead |
US8813652B2 (en) | 2010-09-17 | 2014-08-26 | Amtec Corporation | Pyrophoric projectile |
US10422613B2 (en) | 2016-12-01 | 2019-09-24 | Battelle Memorial Institute | Illuminants and illumination devices |
US10557696B2 (en) | 2016-12-01 | 2020-02-11 | Battelle Memorial Institute | Self-glowing materials and tracer ammunition |
CA3126269A1 (fr) * | 2019-12-25 | 2021-07-01 | Heper Metal Dokum San. Ve Tic A.S. | Coloration de grenailles de plomb ou d'acier pour la chasse ou le sport et son procede |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1153513A (en) * | 1914-11-25 | 1915-09-14 | Lewis Nixon | Incendiary projectile. |
US1435228A (en) * | 1914-12-21 | 1922-11-14 | Jr John Hays Hammond | Incendiary shell |
US1216364A (en) * | 1916-04-01 | 1917-02-20 | Peter Roger | Cumulative artillery-projectile. |
US1277311A (en) * | 1918-03-08 | 1918-08-27 | Peter C Hansen | Thermit-shell. |
US2417437A (en) * | 1942-08-06 | 1947-03-18 | Nicholas William | Fusion projectile |
NL112357C (fr) * | 1960-04-11 | |||
US3580175A (en) * | 1968-09-19 | 1971-05-25 | Gerity Schultz Corp | Fragmentation explosive device |
US3830671A (en) * | 1972-11-30 | 1974-08-20 | American Metal Climax Inc | Thermally ignitable zirconium-plastic composition |
DE2346141A1 (de) * | 1973-09-13 | 1975-07-31 | Diehl Fa | Pyrotechnische einlage fuer wurfgranaten und geschosse |
US3951067A (en) * | 1974-07-11 | 1976-04-20 | Dow Corning Corporation | Wide dispersion incendiary device |
US4381692A (en) * | 1977-05-11 | 1983-05-03 | Quantic Industries, Inc. | Method of making an incendiary munition |
SE450294B (sv) * | 1984-04-02 | 1987-06-15 | Bofors Ab | Granatholje innefattande forformade splitter samt sett for dess tillverkning |
-
1989
- 1989-12-06 CH CH4372/89A patent/CH681326A5/de not_active IP Right Cessation
-
1990
- 1990-11-12 IL IL9631590A patent/IL96315A/en not_active IP Right Cessation
- 1990-11-20 DE DE90203072T patent/DE59002389D1/de not_active Expired - Fee Related
- 1990-11-20 ES ES90203072T patent/ES2044416T3/es not_active Expired - Lifetime
- 1990-11-20 EP EP90203072A patent/EP0431666B1/fr not_active Expired - Lifetime
- 1990-11-20 AT AT90203072T patent/ATE93314T1/de not_active IP Right Cessation
- 1990-11-20 DK DK90203072.5T patent/DK0431666T3/da active
- 1990-12-03 FI FI905945A patent/FI905945A/fi not_active IP Right Cessation
- 1990-12-04 US US07/621,772 patent/US5076169A/en not_active Expired - Fee Related
- 1990-12-04 TR TR90/1134A patent/TR24877A/xx unknown
- 1990-12-05 NO NO905252A patent/NO172866C/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NO172866B (no) | 1993-06-07 |
CH681326A5 (fr) | 1993-02-26 |
US5076169A (en) | 1991-12-31 |
NO905252D0 (no) | 1990-12-05 |
DK0431666T3 (da) | 1994-01-10 |
EP0431666A1 (fr) | 1991-06-12 |
FI905945A (fi) | 1991-06-07 |
TR24877A (tr) | 1992-07-01 |
ES2044416T3 (es) | 1994-01-01 |
NO172866C (no) | 1993-09-15 |
FI905945A0 (fi) | 1990-12-03 |
NO905252L (no) | 1991-06-07 |
IL96315A (en) | 1994-10-07 |
ATE93314T1 (de) | 1993-09-15 |
DE59002389D1 (de) | 1993-09-30 |
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