US3312168A - Ignition device - Google Patents

Ignition device Download PDF

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Publication number
US3312168A
US3312168A US395616A US39561664A US3312168A US 3312168 A US3312168 A US 3312168A US 395616 A US395616 A US 395616A US 39561664 A US39561664 A US 39561664A US 3312168 A US3312168 A US 3312168A
Authority
US
United States
Prior art keywords
body means
tubular
case
ignition
cup
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
US395616A
Other languages
English (en)
Inventor
Stadler Hans
Gawlick Heinz
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.)
Dynamit Nobel AG
Original Assignee
Dynamit Nobel 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 Dynamit Nobel AG filed Critical Dynamit Nobel AG
Application granted granted Critical
Publication of US3312168A publication Critical patent/US3312168A/en
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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00—Blasting cartridges, i.e. case and explosive
    • 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
    • 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
    • F42C19/0807—Primers; Detonators characterised by the particular configuration of the transmission channels from the priming energy source to the charge to be ignited, e.g. multiple channels, nozzles, diaphragms or filters
    • 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
    • F42C19/083—Primers or igniters for the initiation or the propellant charge in a cartridged ammunition characterised by the shape and configuration of the base element embedded in the cartridge bottom, e.g. the housing for the squib or percussion cap
    • 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
    • F42C19/0838—Primers or igniters for the initiation or the explosive charge in a warhead
    • 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
    • F42C19/10—Percussion caps

Definitions

  • the present invention relates to an ignition device, and more particularly to a surface igniter for incendiary compositions.
  • an incendiary composition has to be ignited and more particularly in such a manner that the combustion or burning process sets in along the entire axial extent of the incendiary cornposition.
  • the incendiary composition is provided with a recess, into which a so-called surfaceigniter is inserted which is called surface-igniter because it to ignite not only within a narrow limited zone but over the entire surface thereof.
  • the surface-igniters used heretofore consist in general of black powder and were therefore sensitive against external influences and resulted in relatively along ignition periods.
  • the surface-igniter according to the present invention assures a completely satisfactory surface ignition by the following constructions:
  • a rapidly ignitable pyrotechnical mixture is assembled into a cartridge about a readily destructible hollow cylin der.
  • a primer is installed at the cartridge bottom whose ignition flash or jet pierces and crushes the hollow cylinder. The latter is destroyd thereby so that the ignition flash or jet ignites the pyrotechnical mixture along the entire axial extent thereof.
  • the incendiary composition is now ignited immediately over the entire axial extent thereof.
  • an ignition flash or jet which is as powerful as possible, it is appropriate to provide a supplementary charge to the rear of the primer, which produces the ignition llame or jet, properly speaking.
  • the cartridge case which consists of a readily destructble material is immediately eliminated so that the ignition llame can reach without obstruction the incendiary composition.
  • Paper and plastic material of any appropriate known type are thereby of particular consideration as materials for the hollow cylinder.
  • the pyrotechnical mixture is made ⁇ appropriately of about 75 parts of barium nitrate and of about 25 parts of magnesium powder or a powder of an aluminum-magnesiurn alloy.
  • Another object of the present invention resides in the provision of surface-igniters for incendiary compositions or powder trains that assure completely satisfactory ignition as well as reliable operation at .all times.
  • Still a further object of the present invention resides in the provision -of a surface-igniter that is capable of producing a powerful ignition ame without the detriments normally encountered therewith in the prior art.
  • the surface igniter illustrated therein has the shape of a cartridge and includes the bottom piece 5 made of metal and the case 6 consisting, for example, of plastic material and closed at the top thereof.
  • the lower zone 7 of the case 6 is reinforced and provided with a recess into which, upon emplacement of the case 6 over the neck portion of the bottom piece 5, snaps an annular collar 8.
  • a cup 9 is secured at the bottom piece 5 and a cup 10 is worked into the top of the case 6.
  • a hollow cylinder 3 made of a readily destructible material is inserted between the two cups 9 and 10.
  • the pyrotechnical mixture is designated in the drawing by reference numeral 4. As shown in the drawing, the pyrotechnical mixture 4 surrounds the hollow cylinder 3.
  • Reference numeral 1 designates in the drawing -a primer of conventional construction while reference numeral 2 designates a booster charge also of any conventional composition.
  • the primer 1 is ignited by any suitable known means which, in turn, ignites the booster charge 2.
  • the separating or partition wall 11 formed by cup 9 and made of suitable material is thereby destroyed and the ignition jet or flash enters into the hollow cylinder 3. Since the hollow cylinder 3 is, according to postulation, readily destructible, it is removed and eliminated by the gas pressure and/or the dame influence, and the ignition flash or jet can now ignite the pyrotechnical mixture 4 instantaneously over its entire length.
  • the case 6 is then destroyed ⁇ also and the ignition llame is brought into contact over the entire length of the ignition charge 4 with the incendiary composition.
  • a surface igniter provided with ignition means for igniting incendiary compositions, comprising a cartridge case having a tubular case shaft closed at its forward end and a bottom piece closing the rearward end of said tubular case shaft; a readily destructible axially extending hollow tubular body means within said cartridge case operable to form a substantially annular sealed chamber between said cartidge case and said body means; an axially extending tiring channel formed by and within said body means consisting solely of gases, and extending for substantially the entire length of said tubular case shaft; a rapidly ignitible pyrotechnical mixture within said cartridge case substantially filling said substantially annular sealed chamber; ignition means located adjacent the rear of said body means for producing an ignition flash .that will first enter and fill said tiring channel, and then pierce and destroy said body means to ignite said pyrotechnical mixture substantially simultaneously over the entire internal surface adjacent said body means; said hollow tubular body means including a tubular member and a separate cup-shaped member telescopically connected with the rearward
  • a surface igniter provided with ignition means for -igniting incendiary compositions, comprising a cartridge case having a tubular case shaft closed at its forward end and a bottom piece closing the rearward end of said tubular -case shaft; a readily destructible axially extending hollow tubular body 4means within said cartridge case operable to form a substantially annular sealed chamber between said cartridge case and said body means; an axially extending tiring channel formed by and within said body means consisting solely of gases, and extending for substantially the entire length of said tubular case shaft; a rapidly ignitible pyrotechnical mixture within said cartridge case substantially filling said substantially annular sealed chamber; ignition means located adjacent the rear of said body means for producing an ignition flash that will first enter and till said firing channel, and then pierce and destroy said body means to ignite said pyrotechnical mixture substantially simultaneously over the entire internal surface adjacent said body means; said hollow tubular body means including -a tubular member; and a separate cup-shaped member telescopically connected with the
  • a surface igniter provided Iwith ignition means for igniting incendiary compositions, comprising a cartridge case having a tubular case shaft closed at its forward end and a bottom piece closing the rearward end of said tubulaicase shaft; a readily destructible axially extending hollow tubular body ymeans within said cartridge case operable to form a substantially annular sealed chamber between said cartridge case and said body means; an axially extending firing channel formed by and within said body means consisting solely of gases, and extending for substantially the entire length of said tubular case shaft; a rapidly -ignitible pyrotechnical mixture within said cartridge case substantially lling said substantially annular sealed chamber; ignition means located adjacent the rear of said body means for producing an ignition flash that will first enter and fill said ring channel, and then pierce and destroy said body means to ignite said pyrotechnical mixture substantially simultaneously over the entire internal surface adjacent said body means; said hollow tubular body means including a tubular member and ya separate cup-shaped member telescopically connected with

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Bags (AREA)
US395616A 1963-09-07 1964-09-08 Ignition device Expired - Lifetime US3312168A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED42426A DE1262854B (de) 1963-09-07 1963-09-07 Zuendpatrone zum grossflaechigen Zuenden von Brennsaetzen

Publications (1)

Publication Number Publication Date
US3312168A true US3312168A (en) 1967-04-04

Family

ID=7046840

Family Applications (1)

Application Number Title Priority Date Filing Date
US395616A Expired - Lifetime US3312168A (en) 1963-09-07 1964-09-08 Ignition device

Country Status (8)

Country Link
US (1) US3312168A (de)
AT (1) AT260754B (de)
BE (1) BE652685A (de)
CH (1) CH415406A (de)
DE (1) DE1262854B (de)
GB (1) GB1074307A (de)
NL (1) NL6410322A (de)
SE (1) SE337766B (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5090327A (en) * 1990-02-27 1992-02-25 Steyr-Daimler-Puch Ag Cartridge with flash tube
US20100258023A1 (en) * 2006-05-24 2010-10-14 Reynolds George L Delayed extraction and a firearm cartridge case
US10209042B2 (en) 2014-10-01 2019-02-19 Bae Systems Plc Cartridge casing
US10976144B1 (en) 2018-03-05 2021-04-13 Vista Outdoor Operations Llc High pressure rifle cartridge with primer
US11143493B2 (en) * 2017-12-08 2021-10-12 Albert Gaide Ammunition cartridge

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2559255B1 (fr) * 1984-02-03 1987-07-24 Brandt Armements Allumeur et cartouche d'allumage pour charge propulsive de projectile
SE462540B (sv) * 1988-12-08 1990-07-09 Bofors Ab Saett och anordning foer att aastadkomma initiering och extra snabb oevertaendning av krut- och pyrotekniska satser av foeretraedes den typen som har stor laengd i foerhaallande till sitt tvaersnitt

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US664116A (en) * 1899-07-19 1900-12-18 Antony Barrallon Cartridge.
US2955535A (en) * 1958-05-28 1960-10-11 Olin Mathieson Ignition assembly for perforated cylindrical charge
US2959001A (en) * 1957-10-09 1960-11-08 American Potash & Chem Corp Ignition of rocket thrust devices

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT215863B (de) * 1960-01-22 1961-06-26 Heinrich Fister Zündpatrone
DE1149284B (de) * 1961-09-28 1963-05-22 Josef Schaberger & Co G M B H Verfahren und Vorrichtung zum Zuenden von Innenbrenner-Raketentreibladungen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US664116A (en) * 1899-07-19 1900-12-18 Antony Barrallon Cartridge.
US2959001A (en) * 1957-10-09 1960-11-08 American Potash & Chem Corp Ignition of rocket thrust devices
US2955535A (en) * 1958-05-28 1960-10-11 Olin Mathieson Ignition assembly for perforated cylindrical charge

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5090327A (en) * 1990-02-27 1992-02-25 Steyr-Daimler-Puch Ag Cartridge with flash tube
US20100258023A1 (en) * 2006-05-24 2010-10-14 Reynolds George L Delayed extraction and a firearm cartridge case
US7841279B2 (en) * 2006-05-24 2010-11-30 Reynolds George L Delayed extraction and a firearm cartridge case
US10209042B2 (en) 2014-10-01 2019-02-19 Bae Systems Plc Cartridge casing
US11143493B2 (en) * 2017-12-08 2021-10-12 Albert Gaide Ammunition cartridge
US11867491B2 (en) 2017-12-08 2024-01-09 Albert Gaide Ammunition cartridge
US10976144B1 (en) 2018-03-05 2021-04-13 Vista Outdoor Operations Llc High pressure rifle cartridge with primer
US11609077B2 (en) 2018-03-05 2023-03-21 Vista Outdoor Operations Llc High pressure rifle cartridge with primer
US12135198B2 (en) 2018-03-05 2024-11-05 Federal Cartridge Company High pressure rifle cartridge with primer

Also Published As

Publication number Publication date
NL6410322A (de) 1965-03-08
GB1074307A (en) 1967-07-05
SE337766B (de) 1971-08-16
DE1262854B (de) 1968-03-07
BE652685A (de) 1964-12-31
CH415406A (de) 1966-06-15
AT260754B (de) 1968-03-25

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