EP1242338B1 - Moyens de mise a feu pour poudres pour charge propulsive - Google Patents

Moyens de mise a feu pour poudres pour charge propulsive Download PDF

Info

Publication number
EP1242338B1
EP1242338B1 EP00987340A EP00987340A EP1242338B1 EP 1242338 B1 EP1242338 B1 EP 1242338B1 EP 00987340 A EP00987340 A EP 00987340A EP 00987340 A EP00987340 A EP 00987340A EP 1242338 B1 EP1242338 B1 EP 1242338B1
Authority
EP
European Patent Office
Prior art keywords
ignition means
mixtures
free
cellulose
primary explosive
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
Application number
EP00987340A
Other languages
German (de)
English (en)
Other versions
EP1242338A2 (fr
Inventor
Klaus Redecker
Ulrich Bley
Rainer Hagel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RWS GmbH
Original Assignee
RUAG Ammotec GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by RUAG Ammotec GmbH filed Critical RUAG Ammotec GmbH
Publication of EP1242338A2 publication Critical patent/EP1242338A2/fr
Application granted granted Critical
Publication of EP1242338B1 publication Critical patent/EP1242338B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06C—DETONATING OR PRIMING DEVICES; FUSES; CHEMICAL LIGHTERS; PYROPHORIC COMPOSITIONS
    • C06C9/00—Chemical contact igniters; Chemical lighters
    • 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
    • C06B45/12—Compositions or products which are defined by structure or arrangement of component of product having contiguous layers or zones
    • C06B45/14—Compositions or products which are defined by structure or arrangement of component of product having contiguous layers or zones a layer or zone containing an inorganic explosive or an inorganic explosive or an inorganic thermic component

Definitions

  • the present invention is an igniter for propellants and their use.
  • Cartridge-filled cartridges are mainly used in the civil sector, especially in bolt guns or cattle stunning. They can be made of metal or plastic.
  • the propellant charge powder is ignited by a mechanically or electrically initiated reaction of an ignition charge consisting of at least one primary explosive. This ensures a safe ignition in general.
  • An object of the present invention was therefore to provide a firing for propellant powder, which does not have these disadvantages.
  • the igniter composition according to the invention is a primary explosive-free igniter for propellants, which contains at least one oxidant, at least one reducing agent and at least one binder.
  • the igniter according to the invention generates when burning particles that ignite the propellant charge powder.
  • the present invention makes it possible for the first time to safely ignite propellant charge powder without the use of primary explosives.
  • the igniter composition according to the invention is used for the reliable ignition of propellant charge powder, which is located in cartridges which are used, for example, in bolt guns.
  • a propellant charge powder for example, can be used from nitrocellulose. However, it may also consist of components which are for example used in propellants for providing low-CO reaction steam (for example, so-called. SINCO -Treibladungspulver ®). Reference is made in this connection to the EP 0 809 616 A1 , Such cartridges are for example in the DE 198 24 122 A1 described. They can be covered by a foil, for example made of aluminum.
  • the present invention offers the possibility of the inventive igniting agent, which consists of a film which is coated on at least one side with a mixture containing at least one inventively selected oxidizing agent, at least one inventively selected reducing agent and at least one inventively selected binder, according to Initiation to use as ignition for the propellant powder.
  • the film for example, an aluminum foil, coated on the inside of the cartridge with igniter, dried and applied to the filled with propellant charge cartridge, for example by gluing.
  • the aluminum can react with the applied components and it forms burning particles that ignite the propellant charge powder.
  • the invention therefore relates to films which generate particles when burned, which can ignite the propellant charge powder.
  • the igniting agents according to the invention consist of a film which is coated on one side with a mixture of the following components or mixtures of these components:
  • nitric acid esters components can be used, for example, urea derivatives such as Centralite or Akardite.
  • ferrocene and its derivatives or oxidizing agents which pass through different valence states can be used as burn-on moderators.
  • high-energy substances can be added to improve the burnup, the energy and the thermal stability of the applied paint.
  • surcharges are secondary explosives such. B. octogen, hexogen, etc.
  • fragrances are expedient.
  • the amount of the individual components depends essentially on the respective intended use.
  • the oxidizing agent may preferably be used in a range of 5 to 50% by weight, the reducing agent preferably in a range of 5 to 50% by weight, and the binder preferably in a range of 1 to 40% by weight. More preferably, the oxidizing agent is used in a range of 10 to 40% by weight, the reducing agent in a range of 10 to 40% by weight, and the binder in a range of 5 to 20% by weight.
  • stabilizers, burn-off moderators and other additives also depends on the intended use. The type and amount can be easily determined.
  • the preparation of the igniter according to the invention is carried out according to known methods, for example by mixing the components and applying by brushing or by the screen printing process.
  • the mixtures can be prepared as follows:
  • the binder defined according to the invention is dissolved in a per se known and suitable solvent, preferably methyl acetate, and the individual components are added with stirring.
  • a per se known and suitable solvent preferably methyl acetate
  • the amount of solvent depends on the laboratory method and the required viscosity.
  • component example 1 Example 2
  • Example 3 nitrocellulose 20% by weight 20% by weight cellulose acetate 20% by weight zircon 40% by weight 30% by weight titanium 40% by weight potassium nitrate 40% by weight 30% by weight zinc peroxide 50% by weight 10% by weight

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paints Or Removers (AREA)
  • Air Bags (AREA)
  • Cosmetics (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Joints Allowing Movement (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Claims (5)

  1. Amorce sans explosif primaire pour charge propulsive en poudre, caractérisée en ce que cette amorce est faite d'une feuille dont une face est enduite d'un mélange contenant au moins un oxydant, au moins un réducteur et au moins un liant, ledit oxydant étant choisi parmi les nitrates de métal alcalin, de métal alcalino-terreux ou d'ammonium, les perchlorates de métal alcalin, de métal alcalino-terreux ou d'ammonium, et les peroxydes de métal alcalino-terreux ou de zinc, ainsi que les mélanges de ces composés, ledit réducteur étant choisi parmi les aluminium, titane, hydrure de titane, bore, hydrure de bore, zircon, hydrure de zirconium, graphite et noir de fumée, ainsi que leurs mélanges, et ledit liant étant choisi parmi les nitrocellulose, cellulose et ses dérivés, tels les acétate de cellulose, butyrate de cellulose et acétobutyrate de cellulose, poly(butyral de vinyle), poly(butyrate de vinyle), polynitropolyphénylène et polynitropoly(oxyphénylène), ainsi que leurs mélanges.
  2. Amorce sans explosif primaire, conforme à la revendication 1, caractérisée en ce que cette amorce contient en outre au moins un stabilisant, au moins un modérateur de combustion et/ou au moins un adjuvant améliorant la combustion, l'énergie ou la stabilité thermique.
  3. Amorce sans explosif primaire, conforme à la revendication 2, caractérisée en ce que l'on a choisi, en tant que stabilisant, un dérivé de l'urée excellent contre la décomposition thermique d'esters de l'acide nitrique, ou un mélange de tels composés, en tant que modérateur de combustion, un oxydant passant par divers degrés de valence, ou du ferrocène ou un dérivé de celui-ci, ou encore un mélange de tels composés, et en tant qu'adjuvant améliorant la combustion, l'énergie ou la stabilité thermique, au moins un explosif secondaire.
  4. Amorce sans explosif primaire, conforme à l'une des revendications 1 à 3, caractérisée en ce que la feuille est en aluminium.
  5. Utilisation d'une amorce sans explosif primaire, conforme à l'une ou plusieurs des revendications 1 à 4, pour recouvrir une charge propulsive en poudre.
EP00987340A 1999-12-03 2000-12-04 Moyens de mise a feu pour poudres pour charge propulsive Expired - Lifetime EP1242338B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19958361 1999-12-03
DE19958361 2000-03-12
PCT/EP2000/012169 WO2001040144A2 (fr) 1999-12-03 2000-12-04 Moyens de mise a feu pour poudres pour charge propulsive

Publications (2)

Publication Number Publication Date
EP1242338A2 EP1242338A2 (fr) 2002-09-25
EP1242338B1 true EP1242338B1 (fr) 2009-03-11

Family

ID=7931327

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00987340A Expired - Lifetime EP1242338B1 (fr) 1999-12-03 2000-12-04 Moyens de mise a feu pour poudres pour charge propulsive

Country Status (6)

Country Link
US (2) US20030034103A1 (fr)
EP (1) EP1242338B1 (fr)
AT (1) ATE425131T1 (fr)
DE (2) DE10060320A1 (fr)
WO (1) WO2001040144A2 (fr)
ZA (1) ZA200204385B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2870234B1 (fr) * 2004-05-13 2007-02-09 Snpe Materiaux Energetiques Sa Compostion pyrotechnique dosable utilisee comme fusible thermique dans un generateur de gaz et generateur de gaz incluant un compose ayant ladite composition
US20060075890A1 (en) * 2004-10-13 2006-04-13 Propellant Fracturing & Stimulation, Llc Propellant for fracturing wells
ITMC20090251A1 (it) * 2009-12-15 2011-06-16 Blasio Elio Di Petardo con pasticca di innesco attivabile con fiamma viva o ad incandescenza e relativo metodo di produzione.
CN102887805B (zh) * 2012-09-17 2015-03-25 西安近代化学研究所 含火药粒的混合炸药
EP2989069A1 (fr) 2013-04-25 2016-03-02 fischerwerke GmbH & Co. KG Ensemble propulseur sans douille à allumage électrique, fabrication et utilisation associées
CN113563140A (zh) * 2021-07-08 2021-10-29 南京理工大学 全氮高能化合物在催化高氯酸铵热分解中的用途

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1354442A (en) * 1920-02-25 1920-09-28 Du Pont Progressively-burning powder and proccess of making the same
US2429548A (en) * 1943-09-20 1947-10-21 Atlas Powder Co Propellent fuel cartridge
DE1771943C2 (de) * 1968-08-05 1975-03-27 Dynamit Nobel Ag, 5210 Troisdorf Anfeuerungssatz für Treibladungen und Raketentreibsätze
US4246051A (en) * 1978-09-15 1981-01-20 Allied Chemical Corporation Pyrotechnic coating composition
US4572078A (en) * 1982-04-14 1986-02-25 Morton Thiokol, Inc. Cased cartridge ammunition ignition booster
DE3707694A1 (de) * 1987-03-11 1988-09-29 Dynamit Nobel Ag Elektrisch anzuendbare anzuendsaetze fuer huelsenlose munition und treibkartuschen
DE3841690A1 (de) * 1988-12-10 1990-06-13 Diehl Gmbh & Co Anzuendmischung
DE4116877A1 (de) * 1991-05-23 1992-11-26 Diehl Gmbh & Co Verfahren zur herstellung eines gaserzeugenden satzes fuer einen airbag
DE19533487A1 (de) * 1994-09-13 1996-03-14 Dynamit Nobel Ag Anzündelemente und fein abstufbare Zündsätze
DE4445990C2 (de) * 1994-12-22 1997-08-21 Rheinmetall Ind Ag Patrone mit einer Patronenhülse und einem Pfeilgeschoß
DE19505568A1 (de) * 1995-02-18 1996-08-22 Dynamit Nobel Ag Gaserzeugende Mischungen
US5773748A (en) * 1995-06-14 1998-06-30 Regents Of The University Of California Limited-life cartridge primers
DE19548544A1 (de) * 1995-12-23 1997-06-26 Dynamit Nobel Ag Initialsprengstoff-freie Anzündmischung
DE19616628A1 (de) * 1996-04-26 1997-11-06 Dynamit Nobel Ag Anzündmischungen
DE19628157A1 (de) * 1996-07-12 1998-01-15 Dynamit Nobel Ag Anfeuerungssatz für Pulvertreibladungen und Raketentreibsätze
DE19824122A1 (de) * 1998-05-29 1999-12-02 Dynamit Nobel Ag Anzündung des Treibladungspulvers einer Kunststoffkartusche, insbesondere für Bolzensetzgeräte

Also Published As

Publication number Publication date
EP1242338A2 (fr) 2002-09-25
DE50015593D1 (de) 2009-04-23
US20030034103A1 (en) 2003-02-20
ATE425131T1 (de) 2009-03-15
US20070204941A1 (en) 2007-09-06
DE10060320A1 (de) 2001-06-07
US8147627B2 (en) 2012-04-03
WO2001040144A2 (fr) 2001-06-07
ZA200204385B (en) 2003-10-29
WO2001040144A3 (fr) 2002-04-11

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