US20060137787A1 - Propelling charge - Google Patents
Propelling charge Download PDFInfo
- Publication number
- US20060137787A1 US20060137787A1 US10/542,319 US54231904A US2006137787A1 US 20060137787 A1 US20060137787 A1 US 20060137787A1 US 54231904 A US54231904 A US 54231904A US 2006137787 A1 US2006137787 A1 US 2006137787A1
- Authority
- US
- United States
- Prior art keywords
- propellant charge
- weight
- charge according
- impact
- propellant
- 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.)
- Abandoned
Links
- 239000003380 propellant Substances 0.000 claims description 29
- 239000003795 chemical substances by application Substances 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 13
- 230000037452 priming Effects 0.000 claims description 9
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 7
- 239000011591 potassium Substances 0.000 claims description 7
- 229910052700 potassium Inorganic materials 0.000 claims description 7
- 150000004655 tetrazenes Chemical class 0.000 claims description 6
- 239000002360 explosive Substances 0.000 claims description 5
- 239000004579 marble Substances 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 229910021532 Calcite Inorganic materials 0.000 claims description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 2
- 239000010459 dolomite Substances 0.000 claims description 2
- 229910000514 dolomite Inorganic materials 0.000 claims description 2
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 239000007800 oxidant agent Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000020 Nitrocellulose Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000003701 inert diluent Substances 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06C—DETONATING OR PRIMING DEVICES; FUSES; CHEMICAL LIGHTERS; PYROPHORIC COMPOSITIONS
- C06C7/00—Non-electric detonators; Blasting caps; Primers
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B23/00—Compositions characterised by non-explosive or non-thermic constituents
- C06B23/001—Fillers, gelling and thickening agents (e.g. fibres), absorbents for nitroglycerine
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B23/00—Compositions characterised by non-explosive or non-thermic constituents
- C06B23/04—Compositions characterised by non-explosive or non-thermic constituents for cooling the explosion gases including antifouling and flash suppressing agents
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06D—MEANS FOR GENERATING SMOKE OR MIST; GAS-ATTACK COMPOSITIONS; GENERATION OF GAS FOR BLASTING OR PROPULSION (CHEMICAL PART)
- C06D5/00—Generation of pressure gas, e.g. for blasting cartridges, starting cartridges, rockets
Definitions
- the invention relates to propellant charges for weapons-training systems.
- Propellant charges for projectiles generally consist of substances of high energy content, such as nitrocellulose, or more thermally stable systems such those developed and used for vehicle safety in the form of air-bag gas generators. These versions are rich in gas and generate the energy needed to produce the projectile motion by rapid and nearly complete decomposition. This is expressed thermodynamically by the oxygen balance, the specific energy or the heat of explosion. Such versions are of limited suitability for weapons systems, because the accelerate the practice projectile too strongly.
- the propellant charge according to the invention contains, aside from heavy-metal-free priming materials, which are themselves common, friction agents and preferably no oxidizing or reducing agents.
- the friction agent acts simultaneously as an inert diluent, and is not a component of the reaction.
- Friction agents which do not exert any abrasive action on weapons can be used as friction agents according to the invention.
- Examples of friction agents include marble, calcite, dolomite and/or soft carbonates such as magnesium carbonate and/or calcium carbonate. Mixtures of soft friction agents can also be used according to the invention.
- Other ordinary friction agents can optionally also be added in the usual proportions to the propellant charge according to the invention.
- Impact-sensitive explosives are used as the heavy-metal-free primer materials.
- Potassium dinitrobenzofuroxanate and tetrazene are examples.
- the uses of potassium dinitrobenzofuroxanate and tetrazene as components of heavy-metal-free priming mixtures are known, but mostly in the presence of oxidizing and reducing agents.
- Such a normal primer mixture consisting of the previously described components with oxidizing and reducing agents is less suitable as a propellant charge for training systems.
- the presence of reducing agents is avoided in the mixture according to the invention. Thus the other additives no longer act as oxidizing agents.
- the kinetic energy of the projectile can be varied over wide limits by varying the formulation of the propellant charge according to the invention. In that way, the excessive acceleration of the practice projectile described initially can be avoided.
- the impact-sensitive propellant charges according to the invention can be made up in ordinary priming caps. But then the priming caps do not serve to ignite a propellant powder; rather, they themselves are the gas-generating material. Then, for example, the priming caps that contain the propellant charges according to the invention can be ignited by a primary priming cap.
- the impact-sensitive propellant charges according to the invention can contain 5% to 70%, preferably 10% to 65% heavy-metal-free priming compound; mixtures of such heavy-metal-free priming compounds can also be used according to the invention.
- the friction agents according to the invention can be used in proportions of from 30% to 95%, preferably 35% to 80%; mixtures of these friction agents can also be used according to the invention.
- Propellant charges of any desired strengths can be produced by varying the composition of the mixture.
- the propellant charges according to the invention can be used in training weapons systems.
Abstract
The invention relates to propelling charges for weapons training systems.
Description
- The invention relates to propellant charges for weapons-training systems.
- Propellant charges for projectiles generally consist of substances of high energy content, such as nitrocellulose, or more thermally stable systems such those developed and used for vehicle safety in the form of air-bag gas generators. These versions are rich in gas and generate the energy needed to produce the projectile motion by rapid and nearly complete decomposition. This is expressed thermodynamically by the oxygen balance, the specific energy or the heat of explosion. Such versions are of limited suitability for weapons systems, because the accelerate the practice projectile too strongly.
- The propellant charge according to the invention contains, aside from heavy-metal-free priming materials, which are themselves common, friction agents and preferably no oxidizing or reducing agents. The friction agent acts simultaneously as an inert diluent, and is not a component of the reaction. Friction agents which do not exert any abrasive action on weapons (soft friction agents) can be used as friction agents according to the invention. Examples of friction agents include marble, calcite, dolomite and/or soft carbonates such as magnesium carbonate and/or calcium carbonate. Mixtures of soft friction agents can also be used according to the invention. Other ordinary friction agents can optionally also be added in the usual proportions to the propellant charge according to the invention. Impact-sensitive explosives are used as the heavy-metal-free primer materials. Potassium dinitrobenzofuroxanate and tetrazene are examples. The uses of potassium dinitrobenzofuroxanate and tetrazene as components of heavy-metal-free priming mixtures are known, but mostly in the presence of oxidizing and reducing agents. Such a normal primer mixture, consisting of the previously described components with oxidizing and reducing agents is less suitable as a propellant charge for training systems. In contrast to the prior art, the presence of reducing agents is avoided in the mixture according to the invention. Thus the other additives no longer act as oxidizing agents.
- For all types of weapons, the kinetic energy of the projectile can be varied over wide limits by varying the formulation of the propellant charge according to the invention. In that way, the excessive acceleration of the practice projectile described initially can be avoided.
- The impact-sensitive propellant charges according to the invention can be made up in ordinary priming caps. But then the priming caps do not serve to ignite a propellant powder; rather, they themselves are the gas-generating material. Then, for example, the priming caps that contain the propellant charges according to the invention can be ignited by a primary priming cap.
- The impact-sensitive propellant charges according to the invention can contain 5% to 70%, preferably 10% to 65% heavy-metal-free priming compound; mixtures of such heavy-metal-free priming compounds can also be used according to the invention. The friction agents according to the invention can be used in proportions of from 30% to 95%, preferably 35% to 80%; mixtures of these friction agents can also be used according to the invention.
- Propellant charges of any desired strengths can be produced by varying the composition of the mixture.
- The following positive observations were made:
- no aerosol production;
- no weapon erosion because of the soft friction agent;
- nevertheless, adequate friction action;
- smooth adjustment of power possible.
- The following examples are presented (percentages are by weight):
Power: Weak Moderate Strong Potassium dinitrobenzofiiroxanate 20% 40% 50% Tetrazene 0% 10% 15% Soft friction agent 80% 50% 35% - The propellant charges according to the invention can be used in training weapons systems.
Claims (11)
1. Propellant charge, characterized in that it contains a soft friction agent.
2. Propellant charge according to claim 1 , characterized in that the soft friction agent is selected from the group of marble, calcite, dolomite, soft carbonates and/or mixtures thereof.
3. Propellant charge according to claim 1 , characterized in that the proportion of the soft friction agent in the propellant charge is 30% to 95% by weight, preferably 35% to 80%.
4. Propellant charge according to claim 1 , characterized in that the propellant charge contains at least one impact-sensitive explosive substance as a heavy-metal-free priming compound.
5. Propellant charge according to claim 1 , characterized in that the impact-sensitive explosive substance or substances are potassium dinitrobenzofuroxanate and/or tetrazene.
6. Propellant charge according to claim 1 , characterized in that the proportion of impact-sensitive explosive or the impact-sensitive explosives is from 5% to 70%, preferably 10% to 65%.
7. Propellant charge according to claim 1 , characterized in that the propellant charge has the following composition: 20% by weight potassium dinitrobenzofuroxanate and 80% by weight marble powder.
8. Propellant charge according to claim 1 , characterized in that the propellant charge has the following composition: 40% by weight potassium dinitrobenzofuroxanate, 10% by weight tetrazene, 50% by weight marble powder.
9. Propellant charge according to claim 1 , characterized in that the propellant charge has the following composition: 50% by weight potassium dinitrobenzofuroxanate, 15% by weight tetrazene, 35% by weight marble powder.
10. Propellant charge according to claim 1 , characterized in that the propellant charge is made into the usual primer caps and can be ignited by a primary prime.
11. Use of the propellant charge according to claim 1 in a weapons training system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/175,567 US9181141B2 (en) | 2003-01-14 | 2008-07-18 | Propellant charge |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10301123.4 | 2003-01-14 | ||
| DE10301123 | 2003-01-14 | ||
| PCT/EP2004/000197 WO2004063128A1 (en) | 2003-01-14 | 2004-01-14 | Propelling charge |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2004/000197 A-371-Of-International WO2004063128A1 (en) | 2003-01-14 | 2004-01-14 | Propelling charge |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US12/175,567 Continuation US9181141B2 (en) | 2003-01-14 | 2008-07-18 | Propellant charge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US20060137787A1 true US20060137787A1 (en) | 2006-06-29 |
Family
ID=32519954
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US10/542,319 Abandoned US20060137787A1 (en) | 2003-01-14 | 2004-01-14 | Propelling charge |
| US12/175,567 Active 2027-08-15 US9181141B2 (en) | 2003-01-14 | 2008-07-18 | Propellant charge |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US12/175,567 Active 2027-08-15 US9181141B2 (en) | 2003-01-14 | 2008-07-18 | Propellant charge |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US20060137787A1 (en) |
| EP (1) | EP1587774B1 (en) |
| AT (1) | ATE550311T1 (en) |
| DE (1) | DE102004001980A1 (en) |
| ES (1) | ES2387125T3 (en) |
| NO (1) | NO332986B1 (en) |
| WO (1) | WO2004063128A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2437076A (en) * | 2006-04-13 | 2007-10-17 | Utm Ip Ltd | Primer composition |
| GB2437077A (en) * | 2006-04-13 | 2007-10-17 | Utm Ip Ltd | Primer cup and composition |
| IL188714A0 (en) | 2008-01-10 | 2008-08-07 | Rafael Advanced Defense Sys | Simulant material for explosives |
| GB2517119B (en) | 2013-01-17 | 2021-03-03 | Utm Ltd | Explosive composition for use in telescopically expanding non-lethal training ammunition |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1406176A (en) * | 1921-06-07 | 1922-02-14 | Diamond Match Co | Process of treating match compositions and the product thereof |
| US3135636A (en) * | 1962-01-02 | 1964-06-02 | Atlas Chem Ind | Ignition composition containing an alkali metal salt of dinitrobenzfuroxan and a lacqer binder |
| US5167736A (en) * | 1991-11-04 | 1992-12-01 | Olin Corporation | Nontoxic priming mix |
| US20010054462A1 (en) * | 1996-04-26 | 2001-12-27 | Rainer Hagel | Ignition Mixtures |
| US20020179209A1 (en) * | 1995-10-28 | 2002-12-05 | Rainer Hagel | Lead-and barium-free propellant charges |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1406175A (en) * | 1920-12-31 | 1922-02-14 | Chadeloid Chemical Co | Paint and varnish remover |
| DE2017633A1 (en) * | 1970-04-13 | 1971-10-28 | Josef Schaberger & Co Gmbh, 6535 Gau-Algesheim | Ballast-contng propellant with reduceddetona - weapons |
| DE4010102A1 (en) * | 1990-03-29 | 1991-10-02 | Linde Ag | METHOD FOR THE ANNEALING OF STEEL FURNACE |
| DE69508023T2 (en) * | 1994-08-27 | 1999-10-07 | Eley Ltd | Initial charge |
| DE19643468A1 (en) * | 1996-10-22 | 1998-04-23 | Temic Bayern Chem Airbag Gmbh | Gas-generating, azide-free solid mixture |
| GB9705363D0 (en) * | 1997-03-14 | 1997-04-30 | Pyrotech Munitions Limited | Improvements relating to pyrotechnic ammunition |
| GB2359124A (en) * | 2000-02-08 | 2001-08-15 | Lambeth Properties Ltd | Training ammunition |
-
2004
- 2004-01-13 DE DE200410001980 patent/DE102004001980A1/en not_active Ceased
- 2004-01-14 AT AT04701927T patent/ATE550311T1/en active
- 2004-01-14 ES ES04701927T patent/ES2387125T3/en not_active Expired - Lifetime
- 2004-01-14 US US10/542,319 patent/US20060137787A1/en not_active Abandoned
- 2004-01-14 EP EP04701927A patent/EP1587774B1/en not_active Expired - Lifetime
- 2004-01-14 WO PCT/EP2004/000197 patent/WO2004063128A1/en active Application Filing
-
2005
- 2005-08-12 NO NO20053807A patent/NO332986B1/en not_active IP Right Cessation
-
2008
- 2008-07-18 US US12/175,567 patent/US9181141B2/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1406176A (en) * | 1921-06-07 | 1922-02-14 | Diamond Match Co | Process of treating match compositions and the product thereof |
| US3135636A (en) * | 1962-01-02 | 1964-06-02 | Atlas Chem Ind | Ignition composition containing an alkali metal salt of dinitrobenzfuroxan and a lacqer binder |
| US5167736A (en) * | 1991-11-04 | 1992-12-01 | Olin Corporation | Nontoxic priming mix |
| US20020179209A1 (en) * | 1995-10-28 | 2002-12-05 | Rainer Hagel | Lead-and barium-free propellant charges |
| US20010054462A1 (en) * | 1996-04-26 | 2001-12-27 | Rainer Hagel | Ignition Mixtures |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1587774A1 (en) | 2005-10-26 |
| US20090084283A1 (en) | 2009-04-02 |
| NO332986B1 (en) | 2013-02-11 |
| ES2387125T3 (en) | 2012-09-14 |
| ATE550311T1 (en) | 2012-04-15 |
| US9181141B2 (en) | 2015-11-10 |
| EP1587774B1 (en) | 2012-03-21 |
| NO20053807D0 (en) | 2005-08-12 |
| WO2004063128A1 (en) | 2004-07-29 |
| NO20053807L (en) | 2005-10-05 |
| DE102004001980A1 (en) | 2004-07-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2209203C (en) | Lead- and barium-free priming charges | |
| US4608102A (en) | Primer composition | |
| CA2556595C (en) | Priming mixtures for small arms | |
| EP2240422B1 (en) | Low toxicity primer composition for reduced energy ammunition | |
| US5417160A (en) | Lead-free priming mixture for percussion primer | |
| US5672843A (en) | Single charge pyrotechnic | |
| US5684268A (en) | Lead-free primer mix | |
| ES2310419T3 (en) | NON-TOXIC PRIMERS FOR SMALL CALIBER AMMUNITION. | |
| US20020195181A1 (en) | Solid smokeless propellants and pyrotechnic compositions for rocket and gas generation systems | |
| US9181141B2 (en) | Propellant charge | |
| US4438700A (en) | White smoke spotting composition for training ammunition | |
| US5015311A (en) | Primary/detonator compositions suitable for use in copper cups | |
| US6165294A (en) | Pyrotechnical percussion combustion composition for small arms ammunition primers | |
| CN1203030C (en) | Agent combination of safe fireworks and fire cracker | |
| US10118871B2 (en) | Ignition sets with improved ignition performance | |
| USH285H (en) | Oxygen rich igniter compositions | |
| US4874441A (en) | Explosive for warheads and solid rocket propellant | |
| US5192379A (en) | Densifying and stabilizing ingredient | |
| US20050178484A1 (en) | Pyrotechnic body | |
| US768512A (en) | Explosive compound. | |
| RU2394801C1 (en) | Gas-generating composition for producing breathable gas | |
| RU2157357C1 (en) | Pellet causing no corrosion | |
| JPH0624888A (en) | Gas generating agent | |
| US20120272853A1 (en) | Plastic-bonded pyrotechnical mixture for producing alkali metal chloride or earth alkali metal chloride aerosols as smokescreen | |
| US20190023629A1 (en) | Pyrotechnic compositions |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AS | Assignment |
Owner name: RUAG AMMOTEC GMBH, GERMANY Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:LECHNER, PETER SIMON;MOLLER, RICHARD;HAGEL, RAINER;REEL/FRAME:017716/0522;SIGNING DATES FROM 20051221 TO 20051226 |
|
| STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |