EP0822385A1 - Allumeur de charge propulsive - Google Patents

Allumeur de charge propulsive Download PDF

Info

Publication number
EP0822385A1
EP0822385A1 EP97110971A EP97110971A EP0822385A1 EP 0822385 A1 EP0822385 A1 EP 0822385A1 EP 97110971 A EP97110971 A EP 97110971A EP 97110971 A EP97110971 A EP 97110971A EP 0822385 A1 EP0822385 A1 EP 0822385A1
Authority
EP
European Patent Office
Prior art keywords
tube
protective tube
propellant
ignition
wall
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
Application number
EP97110971A
Other languages
German (de)
English (en)
Other versions
EP0822385B1 (fr
Inventor
Stefan Dr. Thiesen
Manfred Dr. Lübben
Dieter Jungbluth
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.)
Rheinmetall W&M GmbH
Original Assignee
Rheinmetall Industrie AG
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 Rheinmetall Industrie AG filed Critical Rheinmetall Industrie AG
Priority to EP00121634A priority Critical patent/EP1067358B1/fr
Priority to EP00116559A priority patent/EP1039260B1/fr
Publication of EP0822385A1 publication Critical patent/EP0822385A1/fr
Application granted granted Critical
Publication of EP0822385B1 publication Critical patent/EP0822385B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C19/00—Details of fuzes
    • F42C19/08—Primers; Detonators
    • F42C19/0823—Primers or igniters for the initiation or the propellant charge in a cartridged ammunition
    • F42C19/0826—Primers or igniters for the initiation or the propellant charge in a cartridged ammunition comprising an elongated perforated tube, i.e. flame tube, for the transmission of the initial energy to the propellant charge, e.g. used for artillery shells and kinetic energy penetrators

Definitions

  • the invention relates to a propellant lighter for cartridge ammunition with a Ignition tube in which there is a transfer charge.
  • TLAnz propellant charge lighter
  • the Transfer charge this ignition chain made of easily ignitable powder, which is already under moderate
  • the pressure burns off very quickly and the flame passes on very quickly metallic igniter tube of the TLAnz, in which igniter distributor holes over the entire length are distributed.
  • Modern TLAnz show - based on the total cartridge - a maximum possible length of the lighting tube to keep the lighting flame unimpeded to bring into the upper (front) propellant powder layers and through the Distribution bores to have the largest possible ignition area available.
  • a TLAnz is known in which to protect the amplifier charge against external environmental influences within the jacket tube a thin-walled Protective tube made of a lead-tin alloy is arranged.
  • the protective tube is there flush against the inner wall of the casing tube so that the ignition openings are covered are. If the lighter is activated, the pressure surge punches the protective tube onto the Ignition openings.
  • the kindling is caused by the simultaneous onset Melting process of the lead-tin alloy weakened by energy withdrawal from the a delay in flame propagation through the ignition openings into the propellant powder follows into it. This delay becomes measurable in time, so that short required ignition times (still less than 50 ms) cannot be achieved.
  • a TLAnz of this type has the disadvantage that the material of the Protective tube contains lead components that are released when the cartridge is ignited and get into the environment as toxins and pollutants.
  • TLAnz The disadvantage of this TLAnz is that the respective plastic hose with mechanical Loads on the cartridge (e.g. during vibrations carried out in the laboratory) can be damaged because the edges of the hard propellant powder grains in the main charge of the cartridge are in the position, due to the rubbing and scoring processes Wear and damage hose so that the protection against the ingress of Moisture in the TLAnz fails.
  • a TLAnz is known in which within the jacket tube a protective cover consisting of a plastic shrink film is arranged, which the transfer charge consisting of several ring tablets holds together and firmly encloses.
  • the ignition flame is inhibited, because the locking effect of the enclosing plastic is a delay-free quick Ignition of the entire transfer charge thwarted, causing an increase in Ignition time is measured.
  • the object of the present invention is a propellant lighter to be specified which has an ignition tube with a protective tube arranged on the inside, which with rough handling as well as with shock-like temperature changes and increased moisture storage, the booster charge over a period greater than 10 years seals securely against external environmental influences.
  • the invention is based on the idea of a protective tube use, which is tight on the inside of the casing tube of the ignition tube and out a thin-walled material, so that the pipe cross section is largely open remains for the passage and forwarding of the ignition.
  • a protective tube use which is tight on the inside of the casing tube of the ignition tube and out a thin-walled material, so that the pipe cross section is largely open remains for the passage and forwarding of the ignition.
  • Such demands meet in particular protective tubes made of thin-walled glass, oxide or glass ceramics, or inner liner made of plastic with wall thicknesses between 0.1 and 0.8 mm.
  • Embodiments have proven to be particularly advantageous in the use of plastics of the invention, in which the protective tube of the inner liner is made of an adhesive film, a blown film or a combination of such films made of plastic, which are to be inserted into the ignition tube.
  • an inner liner can be made from a plastic pipe manufactured by the rotational molding process or blow molding Polypropylene (PP) or polyetylene (PE) exist, the production of Protection tube takes place in the ignition tube itself.
  • PP Polypropylene
  • PE polyetylene
  • the protective tube consists of a Mixed metal foil that is protected with a top coat.
  • Metallic cerium is Main component of the mixed metal alloy.
  • FIG. 1 shows the longitudinal section of a propellant charge lighter according to the invention, such as in the case of cartridges Tank ammunition can be used.
  • the propellant lighter designated 1 essentially consists of a head part 2 and one adjoining it in the direction of the longitudinal axis 3 of the igniter 1 Ignition tube 4.
  • the head part 2, which has a primer, not shown, and a Booster charge 7 contains is with an external thread 6 for screwing in Propellant lighter 1 in the bottom of the corresponding cartridge (not shown) Mistake.
  • the ignition tube 4 which is filled with a transfer charge 5, exposes itself a steel jacket tube 8 with ignition openings 9 and arranged on the inside Sealing together in the form of an inner liner or protective tube 10, which the Ignition openings 9 covers.
  • the inner liner or the protective tube 10 is on the front 11 of the ignition tube 4 closed and on its head part 2 of the propellant lighter 1 Page 12 sealed by means of a seal 13 made of an elastic material.
  • a suitable plastic film with a maximum wall thickness of 0.25 mm which is coated with a thermally activated adhesive, introduced into the casing tube 8 and heated to a temperature above 65 ° C, usually up to 180 ° C.
  • the Adhesive-ready film is then applied to the inside of the casing tube using pressure glued.
  • Laminated PU / PE films in particular have been used as film materials proven that e.g. are coated with a reactive 2-component PU adhesive.
  • Adhesives based on polyecloroprene, cyanoacrylate etc. are also suitable.
  • a plastic hose is melted into the jacket tube 8 extruded.
  • a mold with a corresponding blowing opening encloses this Casing pipe. Blown air then attaches the hose to the inside wall of the Jacket tube pressed and cured there.
  • tube material have thermoplastics, such as PE, PP, PET, PMP (polymethylene pentene), EPDM and their copolymers and terpolymers. Also fluororubber types and thermoplastic Elastomers are suitable. It is important when choosing the respective material especially that it has a high barrier effect against moisture and water.
  • the Wall thickness should be between 0.15 and 0.6 mm.
  • a first film can be placed on the inside of the jacket tube glued in and then inserted a plastic tube into the jacket tube will.
  • Protection tubes 10 which are closed on one side and self-supporting, must be sufficient be stable in order to withstand mechanical loads (e.g. vibrations, impacts and vibrations) intercept.
  • Protective tubes made of an oxide or Glass ceramics have been proven with a wall thickness between 0.3 and 0.6 mm.
  • Such a tube is open seen from the igniter and therefore with the head part 2 a thickened brim with a groove that is folded out or in, fitted.
  • the groove can be a sealing O-ring or a resilient sealing ring record, tape.
  • the front 11 of the casing tube 8 runs in a closed design out. To ensure that the protective tube 10 is firmly seated in the region of the front side 11 a resilient ring element made of soft rubber can also be provided there.
  • Oxide-ceramic materials based on zirconium oxide or with zirconium oxide Stabilized aluminum oxide have good bending behavior and can be used for increased mechanical loads are used.
  • the invention is not based on the exemplary embodiments described above limited.
  • the protective tubes made of plastic can for example not only by blow molding or rotational molding, but also by Injection molding or other extrusion techniques are manufactured.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Bags (AREA)
  • Lighters Containing Fuel (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Harvester Elements (AREA)
  • Catching Or Destruction (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Medicinal Preparation (AREA)
  • Cosmetics (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Laminated Bodies (AREA)
EP97110971A 1996-08-02 1997-07-02 Allumeur de charge propulsive Expired - Lifetime EP0822385B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP00121634A EP1067358B1 (fr) 1996-08-02 1997-07-02 Allumeur pour charge propulsive
EP00116559A EP1039260B1 (fr) 1996-08-02 1997-07-02 Allumeur de charge propulsive

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19631185A DE19631185A1 (de) 1996-08-02 1996-08-02 Treibladungsanzünder
DE19631185 1996-08-02

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP00116559A Division EP1039260B1 (fr) 1996-08-02 1997-07-02 Allumeur de charge propulsive
EP00121634A Division EP1067358B1 (fr) 1996-08-02 1997-07-02 Allumeur pour charge propulsive

Publications (2)

Publication Number Publication Date
EP0822385A1 true EP0822385A1 (fr) 1998-02-04
EP0822385B1 EP0822385B1 (fr) 2001-11-07

Family

ID=7801562

Family Applications (3)

Application Number Title Priority Date Filing Date
EP97110971A Expired - Lifetime EP0822385B1 (fr) 1996-08-02 1997-07-02 Allumeur de charge propulsive
EP00121634A Expired - Lifetime EP1067358B1 (fr) 1996-08-02 1997-07-02 Allumeur pour charge propulsive
EP00116559A Expired - Lifetime EP1039260B1 (fr) 1996-08-02 1997-07-02 Allumeur de charge propulsive

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP00121634A Expired - Lifetime EP1067358B1 (fr) 1996-08-02 1997-07-02 Allumeur pour charge propulsive
EP00116559A Expired - Lifetime EP1039260B1 (fr) 1996-08-02 1997-07-02 Allumeur de charge propulsive

Country Status (5)

Country Link
US (1) US5895881A (fr)
EP (3) EP0822385B1 (fr)
AT (3) ATE226716T1 (fr)
DE (4) DE19631185A1 (fr)
ES (2) ES2180491T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1106959A1 (fr) * 1999-12-08 2001-06-13 Giant Industries Tube allumeur pour munition d'artillerie
CN106431796A (zh) * 2016-08-31 2017-02-22 湖南神斧集团向红机械化工有限责任公司 电子延期点火装置全自动注胶包封上线系统
DE102020106177A1 (de) 2020-03-06 2021-09-09 Rheinmetall Waffe Munition Gmbh Anzündsystem und Munition

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6272994B1 (en) * 1999-08-31 2001-08-14 Alliant Techsystems Inc. Plastic liner for bayonet primers
US6286432B1 (en) 1999-08-31 2001-09-11 Alliant Techsystems Inc. Bayonet primer
US6857370B1 (en) * 2002-04-10 2005-02-22 General Dynamics Ordnance And Tactical Systems, Inc. Primer body
DE20207862U1 (de) * 2002-05-21 2002-09-26 TRW Airbag Systems GmbH & Co. KG, 84544 Aschau Schlauchgasgenerator
DE102004012934A1 (de) * 2004-03-17 2005-10-06 Rheinmetall Waffe Munition Gmbh Treibladungsanzünder
EP1717515A1 (fr) * 2005-04-28 2006-11-02 Siemens Aktiengesellschaft Dispositif conducteur pour un appareil de combustion
DE102007039662B4 (de) 2007-08-22 2014-12-04 Rheinmetall Waffe Munition Gmbh Treibladungsanzünder
WO2010055088A1 (fr) 2008-11-13 2010-05-20 Ruag Ammotec Gmbh Allumeur pyrotechnique
DE102022131652A1 (de) * 2022-11-30 2024-06-06 Rheinmetall Waffe Munition Gmbh Anzündsystem, Treibladung und Munition

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2446187A (en) * 1945-05-07 1948-08-03 Leo T Meister Lined igniter-charge tube
US4335653A (en) * 1979-09-03 1982-06-22 Aktiebolaget Bofors Electric igniter with conductive bodies and thin connector
GB2134230A (en) * 1982-12-27 1984-08-08 Valsella Meccanotecnica Spa Mine activation device
FR2591735A1 (fr) * 1985-12-17 1987-06-19 Thomson Brandt Armements Generateur pyrotechnique de gaz et utilisation dans un dispositif ejecteur de sous-munitions d'une charge militaire
US5052302A (en) * 1990-07-26 1991-10-01 Olin Corporation Unpressurized combustible primer for cannon cartridges
US5140906A (en) * 1991-11-05 1992-08-25 Ici Americas, Inc. Airbag igniter having double glass seal

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2516898A (en) * 1945-11-09 1950-08-01 Leo T Meister Primer and method of manufacture
US2995088A (en) * 1959-06-29 1961-08-08 Bermite Powder Company Multi-stage igniter charge
US3003419A (en) * 1960-06-06 1961-10-10 Mimx Corp Rod-type pyrogenic igniter
FR2343987A1 (fr) * 1976-03-08 1977-10-07 France Etat Tube allumeur, notamment pour munition d'artillerie
US4358998A (en) * 1980-02-04 1982-11-16 Thiokol Corporation Igniter for a pyrotechnic gas bag inflator
JPS56154440A (en) 1980-04-30 1981-11-30 Japan Synthetic Rubber Co Ltd Production of dicyclopentadiene dicarboxylic ester
US4539910A (en) * 1983-09-19 1985-09-10 Morton Thiokol, Inc. Igniter pellet cup
DE3416736C2 (de) 1984-05-07 1986-10-02 Dynamit Nobel Ag, 5210 Troisdorf Treibladungsanzünder
DE3701145A1 (de) 1986-01-18 1987-08-20 Bundesrep Deutschland Treibladungsanzuender
US4711177A (en) * 1986-08-06 1987-12-08 The United States Of America As Represented By The Secretary Of The Air Force Auxiliary booster
DE3630082A1 (de) * 1986-09-04 1988-03-10 Bayern Chemie Gmbh Flugchemie Vorrichtung zum ausstossen von behaeltern, insbesondere von munition
DE3912183A1 (de) 1989-04-13 1990-10-18 Buck Chem Tech Werke Anzuendzerlegervorrichtung
US5704640A (en) * 1996-05-01 1998-01-06 Morton International, Inc. Bondable autoignition foil

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2446187A (en) * 1945-05-07 1948-08-03 Leo T Meister Lined igniter-charge tube
US4335653A (en) * 1979-09-03 1982-06-22 Aktiebolaget Bofors Electric igniter with conductive bodies and thin connector
GB2134230A (en) * 1982-12-27 1984-08-08 Valsella Meccanotecnica Spa Mine activation device
FR2591735A1 (fr) * 1985-12-17 1987-06-19 Thomson Brandt Armements Generateur pyrotechnique de gaz et utilisation dans un dispositif ejecteur de sous-munitions d'une charge militaire
US5052302A (en) * 1990-07-26 1991-10-01 Olin Corporation Unpressurized combustible primer for cannon cartridges
US5140906A (en) * 1991-11-05 1992-08-25 Ici Americas, Inc. Airbag igniter having double glass seal

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1106959A1 (fr) * 1999-12-08 2001-06-13 Giant Industries Tube allumeur pour munition d'artillerie
FR2802297A1 (fr) * 1999-12-08 2001-06-15 Giat Ind Sa Tube allumeur pour munition d'artillerie
US6474239B2 (en) 1999-12-08 2002-11-05 Giat Industries Igniter tube for artillery ammunition
CN106431796A (zh) * 2016-08-31 2017-02-22 湖南神斧集团向红机械化工有限责任公司 电子延期点火装置全自动注胶包封上线系统
CN106431796B (zh) * 2016-08-31 2022-04-08 湖南神斧集团向红机械化工有限责任公司 电子延期点火装置全自动注胶包封上线系统
DE102020106177A1 (de) 2020-03-06 2021-09-09 Rheinmetall Waffe Munition Gmbh Anzündsystem und Munition
WO2021175592A1 (fr) 2020-03-06 2021-09-10 Rheinmetall Waffe Munition Gmbh Système allumeur et pièce de munition
US12228387B2 (en) 2020-03-06 2025-02-18 Rheinmetall Waffe Munition Gmbh Igniter system and piece of ammunition

Also Published As

Publication number Publication date
EP1039260A2 (fr) 2000-09-27
EP0822385B1 (fr) 2001-11-07
ATE208488T1 (de) 2001-11-15
EP1067358A3 (fr) 2001-01-24
DE59705248D1 (de) 2001-12-13
DE59708585D1 (de) 2002-11-28
EP1067358B1 (fr) 2002-10-23
EP1039260A3 (fr) 2000-11-15
DE59708344D1 (de) 2002-10-31
US5895881A (en) 1999-04-20
ES2165546T3 (es) 2002-03-16
DE19631185A1 (de) 1998-02-05
ATE226716T1 (de) 2002-11-15
ES2180491T3 (es) 2003-02-16
EP1067358A2 (fr) 2001-01-10
EP1039260B1 (fr) 2002-09-25
ATE225028T1 (de) 2002-10-15

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