EP1290400A1 - Corps bobine utilise comme douille pour munition - Google Patents
Corps bobine utilise comme douille pour munitionInfo
- Publication number
- EP1290400A1 EP1290400A1 EP01933960A EP01933960A EP1290400A1 EP 1290400 A1 EP1290400 A1 EP 1290400A1 EP 01933960 A EP01933960 A EP 01933960A EP 01933960 A EP01933960 A EP 01933960A EP 1290400 A1 EP1290400 A1 EP 1290400A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- threads
- sleeve
- winding body
- sleeve according
- fibers
- 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
Links
- 238000004804 winding Methods 0.000 claims abstract description 45
- 239000000835 fiber Substances 0.000 claims abstract description 33
- 239000000126 substance Substances 0.000 claims abstract description 12
- 239000004744 fabric Substances 0.000 claims description 38
- 239000011230 binding agent Substances 0.000 claims description 9
- 239000002360 explosive Substances 0.000 claims description 6
- 230000027455 binding Effects 0.000 claims description 4
- 238000009739 binding Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 239000011148 porous material Substances 0.000 description 5
- 229920000049 Carbon (fiber) Polymers 0.000 description 4
- 239000004917 carbon fiber Substances 0.000 description 4
- 229920006231 aramid fiber Polymers 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000003380 propellant Substances 0.000 description 3
- 239000004760 aramid Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- YKFRAOGHWKADFJ-UHFFFAOYSA-N Aramite Chemical compound ClCCOS(=O)OC(C)COC1=CC=C(C(C)(C)C)C=C1 YKFRAOGHWKADFJ-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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
- F42B5/02—Cartridges, i.e. cases with charge and missile
- F42B5/18—Caseless ammunition; Cartridges having combustible cases
- F42B5/188—Manufacturing processes therefor
-
- 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
- F42B5/02—Cartridges, i.e. cases with charge and missile
- F42B5/18—Caseless ammunition; Cartridges having combustible cases
- F42B5/192—Cartridge cases characterised by the material of the casing wall
Definitions
- the invention relates to a sleeve for ammunition, the wall of the sleeve consisting of a combustible or consumable winding body.
- the sleeve for ammunition is known from DE 198 49 824 A1, the wall consisting of a combustible or consumable winding body with at least one double layer of crossing threads.
- the threads are deposited unevenly over the length of the winding body.
- the winding density that is, the number of times the thread or threads are deposited over the length of the winding body, is matched to the actual and possible loads and to the desired burning behavior. For example, the higher the pressure load on a sleeve in an area, the greater the number of thread deposits selected in this area.
- Such a winding technique leads to the fact that, particularly in the areas of the sleeve in which the load is at its highest, the number of thread deposits is increased compared to the remaining part of the sleeve wall.
- an increased number of thread deposits also necessarily increases the thickness of the tube wall.
- the wall thickness must be reduced. If it is advantageous when large wall thickness to use a yarn having a low tensile strength but a good Verbrennbarkei 't or ensured edibility, for example viscose, wherein a reduction in the wall thickness and the consequent rise in pressure and temperature loads with the in Usually threads used to achieve the required mechanical strength of the sleeves.
- the winding body of the sleeve consists of man-made fibers, preferably synthetic man-made fibers such as polyamides and polyesters, and of the inorganic man-made fibers such as silicate fibers (glass fibers) or carbon fibers.
- man-made fibers preferably synthetic man-made fibers such as polyamides and polyesters
- inorganic man-made fibers such as silicate fibers (glass fibers) or carbon fibers.
- monofilament yarns i.e. thread or filament yarns consisting of only one fiber, spun from single-hole nozzles
- the multifilament or multifilament yarns which are spun or put together from several threads or fibers.
- the fibers can also be connected to one another in the form of a fleece in a limited, predetermined length in a random arrangement.
- the tensile strength of the fibers used according to the invention is significantly higher than that of the fibers of natural raw materials.
- the tensile strength of glass fibers, measured in the fiber direction is higher than that of steel and is approximately 2500 N / mm 2 .
- the tensile strength of carbon fibers for example, is between 1500 N / mm 2 and 3500 N / mm 2 .
- plastic fibers aramid fibers with a tensile strength of approximately 3000 N / mm 2 are particularly suitable.
- fabrics made from aramid fibers also have extreme impact resistance.
- the elastic modulus of these fibers is approximately 130 x 10 3 N / mm 2 .
- the winding body in a further embodiment of the invention, it is also possible for the winding body to be wound from a mixture of threads, each of which consists of one of the types of fibers mentioned.
- at least two threads of different types of fibers can be placed next to one another in a position of the winding body in a parallel arrangement. This is possible both when the threads are deposited in parallel on the circumference of the winding body and when the threads are deposited in a crosswise position.
- threads with a material with a higher tensile strength can advantageously be used for optimal coordination of the wall thickness of the winding body and its strength where the higher stresses on the sleeve also occur.
- the winding body can also be constructed from fabric strips.
- the winding of fabric has the advantage over the placement of individual threads that a fabric strip with a more uniform distribution of tension can be applied to the winding body than a single or several individual threads side by side.
- a fabric which run essentially in the circumferential direction of the sleeve, have a higher tensile strength than the threads, which are arranged essentially in the longitudinal direction of the sleeve.
- a fabric generally consists of the longitudinal warp threads and the transverse weft threads.
- the warp threads When winding a fabric, it makes sense with regard to the stability of the fabric that the warp threads are wound around the sleeve axis and that the weft threads run essentially in the longitudinal direction of the sleeve. For the reasons listed above, it is therefore advantageous if the warp threads consist of a material which has a higher tensile strength than that of the weft threads.
- Different types of fibers can be processed into so-called mixed or hybrid fabrics. This makes it possible to combine the different properties of the individual fibers in one component. If, for example, carbon and aramite fibers are combined in a fabric, the winding body produced therefrom, which is provided with a binder, has a lower rigidity than a winding body made of pure plastic fibers, but its impact strength is significantly increased.
- the properties of a winding body made of fabric are further influenced by the thread density and the weave.
- a plain weave fabric has a smaller floatation (narrower curvature) of the threads than a fabric in satin weave. Greater floatation leads to better drapability and strength of the winding body due to the better stretching of the threads.
- the winding body can consist of at least one bearing of a nonwoven.
- a fleece does not consist of threads but of individual fibers of a certain length, which are usually oriented irregularly in the fleece.
- a fleece has a much lower strength than a fabric, however, by selecting the fibers appropriately and arranging them in the fleece, it can be given such strength that it is suitable for a winding process.
- a fleece has the advantage that it can hold a much larger volume of liquid substances than a fabric. This makes it possible to use a fleece to introduce substances into the winding body which, for example, generate propellant gases in addition to the charge when they are burned.
- the strength and the cohesion of the winding body are essentially produced by the binders, which are either added to the threads, the fabric or the nonwoven in a known manner before winding or with which the winding body is impregnated after its completion.
- An explosive can also be added to the binder in a known manner, so that the burn-up or consumption of the winding tube is accelerated and additional propellant gases are provided for the projectile. It is already known that the porosity of the thread layers, of a fabric, influences the burning or consumption of a wound sleeve.
- Figure 1 is a plain weave a) in supervision b) in section
- Figure 2 is a twill weave a) in supervision b) in section
- Figure 3 is a satin weave a) in plan view b) in section
- FIG. 4 shows an example of a mixed fabric
- Figure 5 shows an example of a hybrid fabric
- FIG. 6 shows an example of a sleeve, the winding body has been wound from layers of nonwoven.
- a view of a fabric 1 in plain weave is shown in FIG. 1 in view a).
- the top view of the differently colored warp and weft threads shows the typical checkerboard pattern of a plain weave.
- the threads 2 drawn in dark and the threads 3 shown in light alternate in terms of their binding points 4 in a continuous change.
- Pores 5 remain between the individual threads, which can be filled with binders or optionally binders with the addition of explosives. However, they can also be used as air pores to provide the combustion air required for the combustion.
- the section through the fabric 1 shown in FIG. 1 b) shows the typical course of the thread with the strong curvature, floatation, and the threads caused by the binding.
- FIG. 2 a shows the top view of a fabric 10 in a so-called twill weave. This type of weave has a diagonal course of the weave points 4 of the threads 3 and 4.
- the section through the fabric 10 shown in FIG. 2 b) shows that the floatation, the curvature of the threads, is wider and the threads thus have a greater stretch.
- the threads have an even greater stretch in the fabric 20 shown in FIG. 3 with an atlas weave.
- An atlas weave is created by regularly distributing the warp threads up and down over the entire weave repeat so that they do not touch at any point. This creates a smooth fabric surface. For this, at least 5 warp and weft threads are required per repeat. The repetition is the repetition unit of a certain thread crossing or the same figure for patterned textiles or wallpaper. As the top view of the fabric 20 shows, a binding point 4 is only at the intersection with every fourth thread.
- FIG. 4 shows a mixed fabric 30 in a plain weave, for example the threads 32 running in the X direction shown are made of carbon fibers and the fibers 31 running in the Y direction are made of glass fibers.
- a so-called hybrid fabric 40 is shown in FIG.
- the threads of different fibers alternate with each other in both the X and Y directions.
- a thread made of carbon fiber 42 next to each thread made of aramid fiber 41 there is a thread made of carbon fiber 42.
- FIG. 6 shows a sleeve 50, the wall 51 of which consists of three layers 52 of a nonwoven web 53 which are wound one on top of the other. This nonwoven web is wound with an angle of inclination 54 around the axis 55 in three layers 52.
- the fleece 53 itself can be impregnated with explosives to support burning or consumption.
- a substance can also be introduced between the already wound nonwoven layer and the nonwoven layer to be wound up when winding onto the already existing first nonwoven layer. It can additionally support the bond between the nonwoven layers 52. If appropriate, it can additionally have explosives of a different composition, such as is present in the substance with which the fleece 53 itself is impregnated.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Woven Fabrics (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
- Electromagnets (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Fats And Perfumes (AREA)
- Dowels (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10025418 | 2000-05-24 | ||
DE10025418 | 2000-05-26 | ||
DE10038751 | 2000-08-09 | ||
DE10038751A DE10038751A1 (de) | 2000-05-26 | 2000-08-09 | Wickelkörper als Hülse für Munition |
PCT/EP2001/005441 WO2001090681A1 (fr) | 2000-05-24 | 2001-05-12 | Corps bobine utilise comme douille pour munition |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1290400A1 true EP1290400A1 (fr) | 2003-03-12 |
EP1290400B1 EP1290400B1 (fr) | 2005-12-28 |
Family
ID=26005794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01933960A Expired - Lifetime EP1290400B1 (fr) | 2000-05-24 | 2001-05-12 | Corps bobine utilise comme douille pour munition |
Country Status (8)
Country | Link |
---|---|
US (1) | US7024999B2 (fr) |
EP (1) | EP1290400B1 (fr) |
AT (1) | ATE314621T1 (fr) |
DE (2) | DE10038751A1 (fr) |
DK (1) | DK1290400T3 (fr) |
ES (1) | ES2258083T3 (fr) |
IL (1) | IL153015A (fr) |
WO (1) | WO2001090681A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8139050B2 (en) * | 1995-07-20 | 2012-03-20 | E Ink Corporation | Addressing schemes for electronic displays |
US7610858B2 (en) * | 2005-12-27 | 2009-11-03 | Chung Sengshiu | Lightweight polymer cased ammunition |
KR101419787B1 (ko) * | 2009-08-04 | 2014-07-15 | 니트로케미에 아샤우 게엠베하 | 추진제 파우더를 수용하는 슬리브 |
KR102675062B1 (ko) * | 2018-10-04 | 2024-06-14 | 니트로케미에 아샤우 게엠베하 | 추진제 파우더용 원통형 케이스 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB190206103A (en) * | 1902-03-12 | 1902-11-27 | August Reichwald | Improvements in or connected with Envelopes or Packing for the Charges for Ordnance |
US707401A (en) * | 1902-03-31 | 1902-08-19 | Krupp Gmbh | Ordnance powder-bag. |
US2405104A (en) * | 1941-08-07 | 1946-07-30 | William E Mydans | Ordnance powder bag |
US3176618A (en) * | 1961-06-14 | 1965-04-06 | Hexcel Products Inc | Rocket motor construction and fabrication process |
US3316842A (en) * | 1963-03-19 | 1967-05-02 | Union Carbide Corp | Propulsion product |
US3304867A (en) * | 1965-02-10 | 1967-02-21 | Isidore G Nadel | Solid propellants in textile form |
US3504630A (en) * | 1968-03-14 | 1970-04-07 | Us Army | Combustible cartridge with fibrous porous base having crystalline explosive disposed therein |
US3747532A (en) * | 1970-04-02 | 1973-07-24 | Henry Wallengerg & Co Ab | Process for the manufacture of combustible cases for fuel charges or explosive charges |
DE2031140A1 (en) * | 1970-06-24 | 1972-01-20 | Messerschmitt Bolkow Blohm GmbH, 8000 München | Combustible casings for rockets - built from polyester fabrics or fibres impregnated and loaded with epoxy resin, oxidants and combu |
NO133382C (fr) * | 1973-05-25 | 1976-04-21 | Raufoss Ammunisjonsfabrikker | |
FR2555302B1 (fr) * | 1983-11-18 | 1986-02-21 | Poudres & Explosifs Ste Nale | Corps de douilles combustibles ou semi-combustibles constitues par une pluralite de bandes en papier combustible et leur procede de fabrication |
US4505201A (en) * | 1984-01-19 | 1985-03-19 | Exxon Research & Engineering Co. | Impact resistant bag with increased circumferential yarn strength |
DE3534972C1 (de) * | 1985-10-01 | 1992-04-09 | Dynamit Nobel Ag | Huelsenlose Munition |
DE3825581C1 (en) * | 1988-07-28 | 1993-05-13 | Dynamit Nobel Ag, 5210 Troisdorf, De | Combustible or consumable cartridge cases for ammunition - made of wrapping(s) of fibres of polyester, polyamide, polyolefin. polyacrylate, polyurethane, metal glass, coal etc. |
US5237928A (en) * | 1988-07-28 | 1993-08-24 | Dynamit Nobel Aktiengesellschaft | Combustible cartridge case |
US5323707A (en) * | 1991-08-05 | 1994-06-28 | Hercules Incorporated | Consumable low energy layered propellant casing |
US5218166A (en) * | 1991-09-20 | 1993-06-08 | Mei Corporation | Modified nitrocellulose based propellant composition |
DE19602422C1 (de) * | 1996-01-24 | 1997-06-12 | Buck Chem Tech Werke | Munitionshülle aus Faserverbundmaterial |
DE19849824A1 (de) * | 1998-10-29 | 2000-05-04 | Dynamit Nobel Ag | Munition mit einer Hülse, deren Wand aus einem verbrennbaren oder verzehrbaren Wickelkörper besteht |
-
2000
- 2000-08-09 DE DE10038751A patent/DE10038751A1/de not_active Withdrawn
-
2001
- 2001-05-12 ES ES01933960T patent/ES2258083T3/es not_active Expired - Lifetime
- 2001-05-12 IL IL153015A patent/IL153015A/en not_active IP Right Cessation
- 2001-05-12 DE DE50108555T patent/DE50108555D1/de not_active Expired - Lifetime
- 2001-05-12 WO PCT/EP2001/005441 patent/WO2001090681A1/fr active IP Right Grant
- 2001-05-12 US US10/296,610 patent/US7024999B2/en not_active Expired - Lifetime
- 2001-05-12 EP EP01933960A patent/EP1290400B1/fr not_active Expired - Lifetime
- 2001-05-12 DK DK01933960T patent/DK1290400T3/da active
- 2001-05-12 AT AT01933960T patent/ATE314621T1/de not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO0190681A1 * |
Also Published As
Publication number | Publication date |
---|---|
US7024999B2 (en) | 2006-04-11 |
ATE314621T1 (de) | 2006-01-15 |
WO2001090681A1 (fr) | 2001-11-29 |
IL153015A (en) | 2008-12-29 |
DE50108555D1 (de) | 2006-02-02 |
ES2258083T3 (es) | 2006-08-16 |
EP1290400B1 (fr) | 2005-12-28 |
DK1290400T3 (da) | 2006-05-08 |
IL153015A0 (en) | 2003-06-24 |
US20040025736A1 (en) | 2004-02-12 |
DE10038751A1 (de) | 2001-11-29 |
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