WO2002074717A1 - Propellant powder charge for barrel weapon - Google Patents
Propellant powder charge for barrel weapon Download PDFInfo
- Publication number
- WO2002074717A1 WO2002074717A1 PCT/SE2002/000361 SE0200361W WO02074717A1 WO 2002074717 A1 WO2002074717 A1 WO 2002074717A1 SE 0200361 W SE0200361 W SE 0200361W WO 02074717 A1 WO02074717 A1 WO 02074717A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- powder
- charge
- types
- hole
- different
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B45/00—Compositions or products which are defined by structure or arrangement of component of product
- C06B45/02—Compositions or products which are defined by structure or arrangement of component of product comprising particles of diverse size or shape
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B45/00—Compositions or products which are defined by structure or arrangement of component of product
-
- 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
- F42B5/16—Cartridges, i.e. cases with charge and missile characterised by composition or physical dimensions or form of propellant charge, with or without projectile, or powder
Definitions
- the present invention relates to a propellant powder charge with high progressivity and an extremely high degree of filling or loading density, intended primarily for large-bore barrel weapons .
- the propellant powder In order to launch a defined missile from a defined barrel weapon with a predetermined Vo, i.e. with a defined launch velocity immediately outside the barrel mouth, the propellant powder has to be able to deliver a certain additional amount of energy.
- This additional energy which can be calculated theoretically with great accuracy, must be delivered during the missile' s travel through the barrel. This in turn means that the propellant powder must have time to burn out during the time the missile is on its way through the barrel. The period of time which the propellant powder should then have to burn out and which is thus the same as the time the missile has to pass through the barrel can be called the "burn time".
- the length which a powder with the chemical composition in question is able to burn is also called the "burn time"
- the distance between two adjacent priming channels in a multiple-hole powder which has the desired burn time will correspond to twice the burn length which the burn time in question permits.
- the distance from respective priming channels to the outer side of the granular powder in which the priming channel is formed must be the same size, provided that the powder grains have not been surface-treated with a burn inhibitor, which is sometimes done in order to increase the powder's progressivity.
- the progressivity of the powder can then in turn be accentuated by surface treatment with a suitable substance which is more difficult to ignite, but burnable.
- the present invention now relates to a method using holed or unholed granular powder to produce progressive propellant powder charges with a higher degree of filling or loading density and thus also loading weights than has previously been possible.
- the invention also includes propellant powder charges produced in accordance with said method.
- the starting point for the method according to the invention is that, between the grains of a granular powder introduced into a container without any kind of organized order, there will automatically be a very large number of greater or lesser empty volumes which are many but small in the case of a finely grained powder and which are fewer but also larger in a coarser-grained powder.
- a propellant powder charge produced according to the invention can thus contain 70-95% by weight of a coarsely grained multiple-hole powder, for example a 19-hole or 37-hole powder, and 30-5% by weight of a smaller multiple-hole powder, for example a 1-hole powder or 7-holed powder, and, in view of the desired final result, the powders can each have the same or different chemcial composition and be surface-inhibited (surface-treated with suitable burn inhibitors) or not surface-inhibited.
- the aim has been to produce a powder charge with the highest possible degree of filling taking into consideration the powder types used, but the progressivity of the charges obtained by this method will be based primarily on the large spheres of powder bursting apart during combustion of the powder and thereafter burning like conventionally granular powder, whereas the progressivity for our specific charge is based entirely on the original geometrical shape of the powder grains used.
- the present invention thus relates to a method in which granular powder is used to produce propellant powder charges with high degree of filling or loading density and a high energy content per charge .
- the invention also covers the charge produced by this method.
- the invention also makes it possible to produce charges with precisely controlled progressive characteristics by virtue of the fact that it can be built up from different quantities of different powders which have radically different progressive characteristics.
- the invention is thus based entirely on combining two or more types of granular powder having such geometric external shapes and grain sizes that the powder with the smaller grain size will in the best possible way fill the empty space between the larger grains.
- Example From a nitrocellulose powder of standard quality which we have used for many years for producing artillery powder, we produced on the one hand a 19-hole powder with grain size of 17 x 17 mm and a 1-hole powder with a grain size of 5 x 5 mm. Of these powders, we mixed 2.3 kg of the 19-hole powder with 0.5 kg of the 1-hole powder and thus obtained a charge with an energy content corresponding to 122% of the energy content in a standard charge which we had previously produced and which was made only from 19-hole powder. Both the charge types are held in the same volume. The invention thus makes it possible to achieve considerable advantages by very small means.
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Cosmetics (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Medicinal Preparation (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Cleaning In General (AREA)
- Powder Metallurgy (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL15788802A IL157888A0 (en) | 2001-03-14 | 2002-03-01 | Propellant powder charge for barrel weapon |
AU2002233907A AU2002233907B2 (en) | 2001-03-14 | 2002-03-01 | Propellant powder charge for barrel weapon |
EP02700974A EP1379482B1 (en) | 2001-03-14 | 2002-03-01 | Propellant powder charge for barrel weapon |
DE60221659T DE60221659T2 (en) | 2001-03-14 | 2002-03-01 | TROLLEY POWDER FOR PIPE WEAPONS |
DK02700974T DK1379482T3 (en) | 2001-03-14 | 2002-03-01 | Drive charge powder for weapons with running |
CA2440629A CA2440629C (en) | 2001-03-14 | 2002-03-01 | Propellant powder charge for barrel weapon |
US10/471,457 US20050066835A1 (en) | 2001-03-14 | 2002-03-01 | Propellant powder charge for barrel weapon |
JP2002573728A JP2004531441A (en) | 2001-03-14 | 2002-03-01 | Propellants for artillery weapons |
NO20034050A NO328476B1 (en) | 2001-03-14 | 2003-09-12 | Production of propellant charges for cannon ammunition |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0100863A SE518660C2 (en) | 2001-03-14 | 2001-03-14 | Methods of producing driver discharges for firearm guns and driver discharges prepared according to the method |
SE0100863-0 | 2001-03-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002074717A1 true WO2002074717A1 (en) | 2002-09-26 |
Family
ID=20283335
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/SE2002/000361 WO2002074717A1 (en) | 2001-03-14 | 2002-03-01 | Propellant powder charge for barrel weapon |
Country Status (17)
Country | Link |
---|---|
US (1) | US20050066835A1 (en) |
EP (1) | EP1379482B1 (en) |
JP (1) | JP2004531441A (en) |
AT (1) | ATE369326T1 (en) |
AU (1) | AU2002233907B2 (en) |
CA (1) | CA2440629C (en) |
CY (1) | CY1106907T1 (en) |
CZ (1) | CZ300130B6 (en) |
DE (1) | DE60221659T2 (en) |
DK (1) | DK1379482T3 (en) |
ES (1) | ES2289077T3 (en) |
IL (1) | IL157888A0 (en) |
NO (1) | NO328476B1 (en) |
PT (1) | PT1379482E (en) |
SE (1) | SE518660C2 (en) |
WO (1) | WO2002074717A1 (en) |
ZA (1) | ZA200307163B (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE526922C2 (en) * | 2003-12-09 | 2005-11-22 | Nexplo Bofors Ab | Progressive driver charge with high charge density |
RU2488070C1 (en) * | 2011-12-29 | 2013-07-20 | Федеральное казенное предприятие "Государственный научно-исследовательский институт химических продуктов" (ФКП "ГосНИИХП") | Charge for construction shot |
RU2488067C1 (en) * | 2012-01-11 | 2013-07-20 | Федеральное казенное предприятие "Государственный научно-исследовательский институт химических продуктов" (ФКП "ГосНИИХП") | CHARGE FOR 5,6 mm-SPORTING-HUNTING SHOT OF ANNULAR IGNITION |
RU2481545C1 (en) * | 2012-01-11 | 2013-05-10 | Федеральное казенное предприятие "Государственный научно-исследовательский институт химических продуктов" (ФКП "ГосНИИХП") | CHARGE FOR 5,6 mm SPORT TRAINING RIM-FIRE CARTRIDGE |
RU2481549C1 (en) * | 2012-01-27 | 2013-05-10 | Федеральное казенное предприятие "Государственный научно-исследовательский институт химических продуктов" (ФКП "ГосНИИХП") | CHARGE FOR 7,62 mm RIFLE CARTRIDGE |
RU2488071C1 (en) * | 2012-01-30 | 2013-07-20 | Федеральное казенное предприятие "Государственный научно-исследовательский институт химических продуктов" (ФКП "ГосНИИХП") | Charge for hunting shot of 12, 16, 20 caliber |
RU2481548C1 (en) * | 2012-01-31 | 2013-05-10 | Федеральное казенное предприятие "Государственный научно-исследовательский институт химических продуктов" (ФКП "ГосНИИХП") | CHARGE FOR 9 mm PISTOL CARTRIDGE |
RU2488069C1 (en) * | 2012-02-20 | 2013-07-20 | Федеральное казенное предприятие "Государственный научно-исследовательский институт химических продуктов" (ФКП "ГосНИИХП") | CHARGE FOR 7,62 mm-RIFLE SHOT |
RU2494339C1 (en) * | 2012-04-10 | 2013-09-27 | Федеральное казенное предприятие "Государственный научно-исследовательский институт химических продуктов" (ФКП "ГосНИИХП") | CHARGE FOR 5,6 mm-SPORTING-HUNTING SHOT OF ANNULAR IGNITION |
RU2494338C1 (en) * | 2012-04-10 | 2013-09-27 | Федеральное казенное предприятие "Государственный научно-исследовательский институт химических продуктов" (ФКП "ГосНИИХП") | Charge of spherical powder for scatter cartridges for smooth-bore guns |
RU2496086C1 (en) * | 2012-06-14 | 2013-10-20 | Федеральное казенное предприятие "Государственный научно-исследовательский институт химических продуктов" (ФКП "ГосНИИХП") | CHARGE FOR PISTOL 9×19 mm CARTRIDGE WITH STEEL CORE |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0005112A1 (en) * | 1978-04-13 | 1979-10-31 | ETAT-FRANCAIS représenté par le Délégué Général pour l' Armement | Propulsive charge for ammunition and process for charging cartridges |
US4519855A (en) * | 1981-12-17 | 1985-05-28 | Societe Nationale Des Poudres Et Explosifs | Mixed charges for ammunitions with a casing constituted by agglomerated propellant powder and propellant powder in grain form |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1709868A (en) * | 1924-06-20 | 1929-04-23 | Western Cartridge Co | Propellant powders |
US2289318A (en) * | 1932-12-14 | 1942-07-07 | Atlas Powder Co | Propellent fuel cartridge |
US2320243A (en) * | 1940-03-27 | 1943-05-25 | Du Pont | Smokeless powder composition |
US2976678A (en) * | 1955-12-19 | 1961-03-28 | Standard Oil Co | Restricted solid propellant |
US3243326A (en) * | 1958-03-24 | 1966-03-29 | William D White | Fluidized metal fuel composition |
US3191535A (en) * | 1959-05-25 | 1965-06-29 | Dow Chemical Co | Solid cellular metallic propellants |
US3074830A (en) * | 1960-01-05 | 1963-01-22 | Cecil A Rassier | Combustion mixtures containing guanidine nitrate |
US3095335A (en) * | 1960-03-21 | 1963-06-25 | Airmite Midwest Inc | Blasting agent of multi-sized and multidensity ammonium nitrate with fuel oil |
US3120184A (en) * | 1960-04-22 | 1964-02-04 | Universal Match Corp | Pyrotechnical devices and methods of making the same |
FR1281397A (en) * | 1960-11-29 | 1962-01-12 | Development of rocket thrusters | |
US3636882A (en) * | 1964-07-14 | 1972-01-25 | Us Army | Deterrent coating for propellent grains |
US3557700A (en) * | 1969-02-14 | 1971-01-26 | Us Army | Caseless ammunition cartridge |
FR2055890A5 (en) * | 1969-08-05 | 1971-05-14 | Haut Rhin Manufacture | |
US3706278A (en) * | 1971-02-25 | 1972-12-19 | Us Army | Distributed propulsion for guns |
US3711343A (en) * | 1971-08-20 | 1973-01-16 | Us Army | Cellular nitrocellulose based composition and method of making |
DE2313856C3 (en) * | 1973-03-20 | 1978-05-24 | Josef Schaberger & Co Gmbh, 6535 Gau-Algesheim | Propellant charge build-up |
NO113574C (en) * | 1975-05-10 | 1985-08-14 | Dynamit Nobel Ag | SINGLE OR MULTIPLE BASIC POWDER FOR DRIVE CHARGES AND PROCEDURES FOR THEIR PREPARATION |
SE461093B (en) * | 1987-08-21 | 1990-01-08 | Nobel Kemi Ab | FUEL CHARGING TO THE ELECTRIC WIRE AND MAKING ITS MANUFACTURING |
FR2679992B1 (en) * | 1991-08-01 | 1993-09-24 | Poudres & Explosifs Ste Nale | MULTIPERFORESTED AND DIVIDED PROPULSIVE POWDER STRANDS, MANUFACTURING APPARATUS AND USE THEREOF. |
SE508352C2 (en) * | 1991-09-16 | 1998-09-28 | Bofors Ab | Ammunition unit and methods of making them |
US5821449A (en) * | 1995-09-28 | 1998-10-13 | Alliant Techsystems Inc. | Propellant grain geometry for controlling ullage and increasing flame permeability |
KR100420563B1 (en) * | 1999-06-25 | 2004-03-02 | 니뽄 가야쿠 가부시키가이샤 | Gas-generating agent composition |
-
2001
- 2001-03-14 SE SE0100863A patent/SE518660C2/en not_active IP Right Cessation
-
2002
- 2002-03-01 US US10/471,457 patent/US20050066835A1/en not_active Abandoned
- 2002-03-01 WO PCT/SE2002/000361 patent/WO2002074717A1/en active IP Right Grant
- 2002-03-01 DK DK02700974T patent/DK1379482T3/en active
- 2002-03-01 CA CA2440629A patent/CA2440629C/en not_active Expired - Lifetime
- 2002-03-01 AU AU2002233907A patent/AU2002233907B2/en not_active Expired
- 2002-03-01 PT PT02700974T patent/PT1379482E/en unknown
- 2002-03-01 CZ CZ20032483A patent/CZ300130B6/en not_active IP Right Cessation
- 2002-03-01 IL IL15788802A patent/IL157888A0/en active IP Right Grant
- 2002-03-01 ES ES02700974T patent/ES2289077T3/en not_active Expired - Lifetime
- 2002-03-01 DE DE60221659T patent/DE60221659T2/en not_active Expired - Lifetime
- 2002-03-01 EP EP02700974A patent/EP1379482B1/en not_active Expired - Lifetime
- 2002-03-01 AT AT02700974T patent/ATE369326T1/en active
- 2002-03-01 JP JP2002573728A patent/JP2004531441A/en active Pending
-
2003
- 2003-09-12 ZA ZA200307163A patent/ZA200307163B/en unknown
- 2003-09-12 NO NO20034050A patent/NO328476B1/en not_active IP Right Cessation
-
2007
- 2007-10-04 CY CY20071101267T patent/CY1106907T1/en unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0005112A1 (en) * | 1978-04-13 | 1979-10-31 | ETAT-FRANCAIS représenté par le Délégué Général pour l' Armement | Propulsive charge for ammunition and process for charging cartridges |
US4519855A (en) * | 1981-12-17 | 1985-05-28 | Societe Nationale Des Poudres Et Explosifs | Mixed charges for ammunitions with a casing constituted by agglomerated propellant powder and propellant powder in grain form |
Also Published As
Publication number | Publication date |
---|---|
SE518660C2 (en) | 2002-11-05 |
CA2440629C (en) | 2010-05-18 |
ATE369326T1 (en) | 2007-08-15 |
ZA200307163B (en) | 2004-09-13 |
PT1379482E (en) | 2007-10-22 |
DK1379482T3 (en) | 2007-12-10 |
DE60221659D1 (en) | 2007-09-20 |
US20050066835A1 (en) | 2005-03-31 |
NO20034050D0 (en) | 2003-09-12 |
NO20034050L (en) | 2003-10-20 |
NO328476B1 (en) | 2010-03-01 |
SE0100863L (en) | 2002-09-15 |
SE0100863D0 (en) | 2001-03-14 |
JP2004531441A (en) | 2004-10-14 |
DE60221659T2 (en) | 2008-05-21 |
IL157888A0 (en) | 2004-03-28 |
CY1106907T1 (en) | 2012-09-26 |
AU2002233907B2 (en) | 2007-01-25 |
EP1379482B1 (en) | 2007-08-08 |
ES2289077T3 (en) | 2008-02-01 |
CZ20032483A3 (en) | 2004-02-18 |
EP1379482A1 (en) | 2004-01-14 |
CA2440629A1 (en) | 2002-09-26 |
CZ300130B6 (en) | 2009-02-18 |
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