US2780995A - Projectile with extra-sensitive head - Google Patents

Projectile with extra-sensitive head Download PDF

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Publication number
US2780995A
US2780995A US352702A US35270253A US2780995A US 2780995 A US2780995 A US 2780995A US 352702 A US352702 A US 352702A US 35270253 A US35270253 A US 35270253A US 2780995 A US2780995 A US 2780995A
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United States
Prior art keywords
charge
projectile
shell
extra
nose
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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
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US352702A
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English (en)
Inventor
Migliaccio Etereo
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.)
Bombrini Parodi Delfino SpA
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Bombrini Parodi Delfino SpA
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Publication of US2780995A publication Critical patent/US2780995A/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F42B12/20—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type
    • F42B12/201—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type characterised by target class
    • F42B12/204—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type characterised by target class for attacking structures, e.g. specific buildings or fortifications, ships or vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F42B12/04—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type
    • F42B12/10—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type with shaped or hollow charge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F42B12/36—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information
    • F42B12/44—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information of incendiary type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C1/00—Impact fuzes, i.e. fuzes actuated only by ammunition impact
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C1/00—Impact fuzes, i.e. fuzes actuated only by ammunition impact
    • F42C1/10—Impact fuzes, i.e. fuzes actuated only by ammunition impact without firing-pin

Definitions

  • PROJECTILE WITH EXTRA-SENSITIVE HEAD Filed May 4, 1955 IN VEN TOR PROJECTILE WITH EXTRA-SENSITIVE HEAD Filed May 4, 1955 IN VEN TOR.
  • the nose fuze comprises an igniting charge housed within a cavity provided in the ogival portion of the projectile and supported in the cavity by a disc of metal or other resistant material which closes an opening provided in the bottom of said cavity through which the flash istransmitted to a hash .tube or conduit, and a metal cap containing a detonating charge, inserted within the said cavity above the igniting charge and supported thereon, the said cap also serving to close the open end of the cavity.
  • Fig. l is an axial sectional view of one form of projectile
  • Fig. 2 is an axial sectional view of a projectile having a low armour piercing power and a high explosive and incendiary power
  • v Fig. 3 is an axial sectional view of a projectile the nose of which is made of hardened steel.
  • the projectile shown in Fig. 1 is essentially formed by a shell or body 1, containing in its cavity an incendiary charge 2 and a hollow bursting charge 3.
  • the hollow charge- 3 is pierced along its central axis so as to receive the detonator formedby a metallic casing 4, a plug 5 and the detonating charge 6 for the bursting charge ,3.
  • the nose fuse comprises a metallic cap 9 containing a d-etonating charge 10 which rests on an igniting charge 11 which in its turn is supported by a disc 12.
  • the shell 1 is formed from a thick cylindrical steel block by means of a stamping operation, so that the quantity of the material used almost corresponds to the weight of the finished shell 1 and the loss of material is reduced to a minimum.
  • the thickness of the base and side walls of the shell 1 varies in proportion to the stresses occurring in the respective portions of the shell during the travel-of the projectile within the barrel of the gun, in such a manner that the various parts of the shell are subjected to substantially equal stress, thereby reducing to the minimum the weight of the shell 1, to permit of an advantageous increase in the quantity of both the incendiary charge 2 and the bursting charge 3.
  • the assemblage and the insertion of the charge within the projectile are particularfeatures of the invention.
  • the incendiary charge 2 and the bursting charge 3 in the form of separately prepared cake are inserted under a required pressure.
  • the incendiary charge 2 can be directly inserted within the projectile, while the detonator comprising the elements 6, 5 and 4 and the flash-tube 7, are arranged on the bursting charge 3 and submitted to a slight pressure.
  • the ogival shape is imparted to the end of the cylindrical shell, as a final shaping operation. Simultaneously adherence to the inner surfaces of the shell 1 of the upper end of the casing 4 and of the upper portion of the flash tube 7 is achieved.
  • the incendiary and explosive charges are fixed and the end of the tube 7 abuts against the inner surface of the ogival portion of the shell 1.
  • the ogival portion of the shell 1 is located forwardly of the charge 3 so that the walls of the shell 1 which are in contact with the bursting charge 3 are not de formed during theformation of the og ival portion and damage of the projectile. charge cannot occur.
  • the housing for the nose fuse caps 910 is obtained by a drilling operation and :the chips formed in the said operation are held in the cavity formed in the end portion of the flash tube 7 above the diaphragm 8. When the chips have been removed by a cleaning operation,
  • the nose fuse of the projectile is formed by a metal cap 9, containing a detonating charge 10, compressed, lacquered and protected by a disc 16 made of lead, tin or paper.
  • the nose fuse is absolutely safe and cannot explode since, the igniting charge 11 acts as a pad, formed for instance with compressed gun powder, the cap 9-10 being insensitive to the shocks which can occur during the supply of the projectile to the guns or during general handling.
  • the flash through the flash tube 7, strikes the cover 5 of the detonator which, by the detonation, causes the explosion of the bursting charge 3 and the ignition of the incendiary charge 2.
  • the use of this projectile is effective also against heavy and armoured targets which are pierced by the action oft-he explosion of the hollow charge 3, while an incendiary effect through the thus formed perforation is obtained by means of the burning gases of the incendiary charge 2.
  • Fig. 2 shows a projectile having lesser armour-piercing'properties. ln'this figure like reference numerals the projectileshownand described above with reference to Fig. 1. In the projectile shown in Fig. 2 a greater burstns a n ndia e ect isf b a ned a t e a ran ement jn b 'ss use" burs ndr nd a duress o be us i. H I
  • Fig. 3 shows a projectile, having generally the same features of "the projectile of l, excepting in that it is provided with an armounpiercing' nose made of hard ened steel, screwed on th e shell 1,
  • the nose fuse in this projectile differs that shown in l and in that the detonating and igniting the aforedescribed arrangements, s s t in's a om essed 9i 3 ftuated and compressed' separately within a holder '14 which is inserted within the housing in the nose 'iSQand chamfered.
  • a projectile with an extra-sensitive nose fuze comprising a shell, an incendiary charge contained in the shell-and abutting against thebottom thereof, a bursting charge'coritained in the shell and supported by the said tncenaarychargaa detonator metal casing located withinsa'id bursting charge anda detonator in said casing, said detonator casinghaving the form of a cylindrical tube terminating in its upper portion in the form of a cup, the outer surface of said cup having a portion in contact with the upper'surface of said bursting charge and a portion in contact with the inner surface of said sheil'a t the zone where the shell has an ogival shape, an extra-sensitive head applied to the upper endof said shell to transmit the ignition to said detonator and bursting charge when the projectile strikes a target, said extra-sensitive nose fuze comprising a metal socket containing a detonating charge, an igniting mixture which supports said detonating charge and
  • a projectile with an extra-sensitive nosefuze comprising a shell having a lower cylindrical portion provided with a bottonrintegral therewith and an upper ogival portion with a central opening, the cylindrical portion and the ogival portion of theshell; being integral with each other, ari incendiary charge contained in said shell abutting the bottom thereof, a burstingcharge cupshaped in its front part and provided with an axial bore and supported by saidincendiary charge, a metal casing located in said bore, a detonator charge in said metal casing, said metal casing being a cylindrical tube exshaped portion or" said detonator casing, the upper portion of the cylindrical tube of the said conveyer being in contact with the inner end of said ogival portion of -the shell at said central opening, an extra-sensitive nose fuze arranged through pressing inside said opening and adapted to transmit the ignition to said detonator and bursting charge when the projectile strikes a target, a diaphragm inside said cylindrical tube
  • a projectile with an extra-sensitive nose fuze comprising a shell having a lower cylindrical portion provided with a bottom integral therewith and an upper ogival portion with a central opening, the cylindrical portion and the ogival portion being integral with each other, an incendiary charge contained in said shell and abutting the bottom thereof, a bursting charge having a central cavity in its upper portion and supported by said incendiary charge, a metal detonator casing located in said bursting charge, a detonator charge in said detonator casing, said metal casing having the form of a cylindrical tube introduced in said central cavity and terminating upwardly in a frusto-conical cup, the outer surface of said cup having a portion in contact with the uppersurface of said bursting charge and a portion in contact with the inner surface of said shell at the zone where the shell has an ogival zone, a flash conveyor in the form of a cylindrical tube ending downwardly in a reversed frusto-conical cup surrounding said
  • a projectile with an extra-sensitive nose fuze comprising a shell closed at its bottom and open at its top, an incendiary charge contained in said shell and-abutting said bottom, a bursting charge provided upwardly with central cavity supported by said incendiary charge, a metal-detonator casing-contained in said bursting charge, a detonator charge introduced in said detonator casing, said metal ca-sing having a cylindrical portion extending into said central cavity and provided upwardly with a portionvformed as a cylindrical cup, the outer surface of said cylindrical cup having a portion in contact with the upper surface of the bursting-charge and a portion in contact-with the inner surface of said shell, a nose of hardened steel screwed on the upper end of said shell.
  • a projectile with an extra-sensitive nose fuze comprising a shell, an incendiary charge contained in the sh ill, and abutting againstthe bottom thereof, a bursting charge contained in the shell and supported by the said in diary charge, adetonator metal casing located withingsaid bursting; charge :and a detonatorv in said casing,
  • said detonator casing having the form of a cylindrical tube terminating in its upper portion in the form of a cup, the outer surface of said cup having a portion in contact with the upper surface of said bursting charge and a portion in contact with the inner surface of said shell at the zone
  • an extra-sensitive nose fuze applied to the upper end of said shell to transmit the ignition to said detonator and bursting charge when the projectile strikes a target
  • said extra-sensitive nose fuze comprising a metal cap containing a detonating charge and a disc closing said cap underneath said detonating charge, an igniting charge supporting said cap and the detonating charge contained therein and a disc of inert material supporting said igniting charge and bearing on the projectile.
  • a projectile with an extra-sensitive nose fuze comprising a shell closed at its lower portion and having at its upper portion an ogival shape with a central opening having a circular recess in the lower portion thereof, an incendiary charge contained in said shell abutting the bottom thereof, a bursting charge having a central bore supported by said incendiary charge, a metal detonator casing located in said bore, a detonator charge in said metal casing, said metal casing being a cylindrical tube extending the length of said central bore and having its upper portion in the form of an ogival cup, the outer surface of said cup being in contact with the upper surface of said hollow charge and with the inner surface of said shell, a flash conveyor in the form of a cylindrical tube ending downwardly with a reversed cup, the outer surface of the reversed cup being in contact with the inner surface of the cup-shaped portion of said detonator casing, the upper portion of the cylindrical tube of the said conveyor being in contact with the inner end of said o
  • a projectile with an extra-sensitive nose fuze comprising a shell closed at its lower portion and having at its upper portion an ogival shape with a central opening having a circular recess in the lower portion thereof, an incendiary charge contained in said shell and abutting the bottom thereof a bursting charge having a central cavity in its upper portion and supported by said incendiary charge, a metal detonator casing located in said bursting charge, a detonator charge in said detonator casing, said metal casing having the form of a cylindrical tube introduced in said central cavity and terminating upwardly in a frusto-conical cup, the outer surface of said cup being in contact with the upper surface of said bursting charge and with the inner surface of said shell, 2.
  • flash conveyer in the form of a cylindrical tube ending downwardly in a reversed frusto-conical cup, the outer surface of said reversed frusto-conical cup being in contact with the inner surface of the frusto-conical shaped portion of said detonator casing, the upper surface of the cylindrical tube of said conveyer being closed and in contact with the inner end of said ogival portion of the shell at said central opening, an extra-sensitive nose fuze arranged inside said central opening to transmit ignition to said detonator and bursting charge when the projectile strikes a target, said extra-sensitive nose fuze comprising a metal cap containing a detonating charge and a disc closing said cap underneath said detonating charge, an igniting charge supporting said cap and the detonating charge contained therein and a disc of inert material supporting said igniting charge and bearing on the said circular recess of the opening.
  • a projectile with an extra-sensitive nose fuze comprising a shell closed at its bottom and open at its top, an incendiary charge contained in said shell and abutting said bottom, a bursting charge above said incendiary charge with a central cavity supported by said incendiary charge, a metal detonator casing contained in said bursting charge, a detonator charge introduced in said detonator casing, said metal casing having a cylindrical portion extending into said central cavity and a portion formed as a cylindrical cup, the outer surface of said cylindrical cup being in contact with the upper surface of the bursting charge and with the inner surface of said shell, a nose of hardened steel screwed on the upper end of said shell, said nose being provided with a central bore which extends into a cavity of greater diameter than that of said central bore, an extra-sensitive nose fuze contained in said cavity of the nose to transmit the ignition to said detonator and said bursting charge when the projectile strikes against a target, said extra-sensitive nose fuze

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Toys (AREA)
  • Portable Nailing Machines And Staplers (AREA)
US352702A 1952-07-09 1953-05-04 Projectile with extra-sensitive head Expired - Lifetime US2780995A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT318475X 1952-07-09

Publications (1)

Publication Number Publication Date
US2780995A true US2780995A (en) 1957-02-12

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US (1) US2780995A (it)
BE (1) BE520143A (it)
CH (1) CH318475A (it)
FR (1) FR1077914A (it)
GB (1) GB736250A (it)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3028808A (en) * 1958-01-09 1962-04-10 Samuel J Porter Armor piercing incendiary projectile
US3101053A (en) * 1960-06-08 1963-08-20 Stevenson Thomas Combination fragmentation structural incendiary damage projectile
DE1181095B (de) * 1961-10-31 1964-11-05 Foersvarets Fabriksstyrelse Aufschlagzuender
US3208385A (en) * 1962-12-24 1965-09-28 Diehl Incendiary shell
US3370536A (en) * 1961-10-27 1968-02-27 Army Usa Incendiary projectile
US3421439A (en) * 1961-09-29 1969-01-14 Us Army Incendiary projectile
US4259906A (en) * 1979-01-12 1981-04-07 The United States Of America As Represented By The Secretary Of The Army Shape charge agent disposing process
US4760794A (en) * 1982-04-21 1988-08-02 Norman Allen Explosive small arms projectile
FR2722876A1 (fr) * 1994-07-22 1996-01-26 Manurhin Defense Projectile explosif
DE10036815A1 (de) * 2000-07-28 2002-02-07 Diehl Munitionssysteme Gmbh Pyrotechnischer Aufschlagzünder
WO2007041981A1 (de) * 2005-10-08 2007-04-19 Krauss-Maffei Wegmann Gmbh & Co. Kg Gefechtskopf
CN109764771A (zh) * 2019-03-19 2019-05-17 吉林大学 金属燃烧剂填充的弹体结构
US10845176B2 (en) 2016-12-16 2020-11-24 Diehl Defence Gmbh & Co. Kg Munition module, warhead and munition
CN113091534A (zh) * 2021-04-09 2021-07-09 南京理工大学 一种高灵敏度碰击触发的超音速弹头引信

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1140108B (de) * 1958-05-24 1962-11-22 Rheinmetall Gmbh Verfahren und Vorrichtung zur Erzeugung eines mit hoher Geschwindigkeit sich vorwaertsbewegenden und mit hoher Winkelgeschwindigkeit rotierenden Massestrahles
DE1174654B (de) * 1960-07-14 1964-07-23 Dynamit Nobel Ag Zuendhuetchen fuer Schlagzuendung
DE2655674C3 (de) * 1976-12-08 1981-11-05 Buck Chemisch-Technische Werke GmbH & Co, 7341 Bad Überkingen Brandkörper mit Verankerungsspitze
AU602870B2 (en) * 1985-10-22 1990-11-01 Bae Systems Plc Explosive projectiles

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1153513A (en) * 1914-11-25 1915-09-14 Lewis Nixon Incendiary projectile.
US1435228A (en) * 1914-12-21 1922-11-14 Jr John Hays Hammond Incendiary shell
US1968134A (en) * 1930-07-08 1934-07-31 Eschbach Wilhelm Combined initial and percussion composition
US2304152A (en) * 1939-10-18 1942-12-08 Darden Neil Explosive projectile
GB561927A (en) * 1939-11-09 1944-06-12 Sagee Sa De Gestion Et D Expl Improvements in or relating to explosive projectiles
US2426997A (en) * 1941-03-10 1947-09-09 John C Gray Projectile
US2564870A (en) * 1947-04-02 1951-08-21 Brev Aero Mecaniques S A Soc Armor-piercing and incendiary shell
US2669182A (en) * 1949-03-29 1954-02-16 Brevets Aero Mecaniques Shattering and incendiary shell
US2697400A (en) * 1944-02-14 1954-12-21 Lyle K Liljegren Projectile with shaped charge and point initiating fuze
US2700934A (en) * 1945-08-29 1955-02-01 Marion L J Lambert Centrifugal fuze unlatched by setback

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1153513A (en) * 1914-11-25 1915-09-14 Lewis Nixon Incendiary projectile.
US1435228A (en) * 1914-12-21 1922-11-14 Jr John Hays Hammond Incendiary shell
US1968134A (en) * 1930-07-08 1934-07-31 Eschbach Wilhelm Combined initial and percussion composition
US2304152A (en) * 1939-10-18 1942-12-08 Darden Neil Explosive projectile
GB561927A (en) * 1939-11-09 1944-06-12 Sagee Sa De Gestion Et D Expl Improvements in or relating to explosive projectiles
US2426997A (en) * 1941-03-10 1947-09-09 John C Gray Projectile
US2697400A (en) * 1944-02-14 1954-12-21 Lyle K Liljegren Projectile with shaped charge and point initiating fuze
US2700934A (en) * 1945-08-29 1955-02-01 Marion L J Lambert Centrifugal fuze unlatched by setback
US2564870A (en) * 1947-04-02 1951-08-21 Brev Aero Mecaniques S A Soc Armor-piercing and incendiary shell
US2669182A (en) * 1949-03-29 1954-02-16 Brevets Aero Mecaniques Shattering and incendiary shell

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3028808A (en) * 1958-01-09 1962-04-10 Samuel J Porter Armor piercing incendiary projectile
US3101053A (en) * 1960-06-08 1963-08-20 Stevenson Thomas Combination fragmentation structural incendiary damage projectile
US3421439A (en) * 1961-09-29 1969-01-14 Us Army Incendiary projectile
US3370536A (en) * 1961-10-27 1968-02-27 Army Usa Incendiary projectile
DE1181095B (de) * 1961-10-31 1964-11-05 Foersvarets Fabriksstyrelse Aufschlagzuender
US3190222A (en) * 1961-10-31 1965-06-22 Forsvarets Fabriksstyrelse Impact sensitive top fuze
US3208385A (en) * 1962-12-24 1965-09-28 Diehl Incendiary shell
US4259906A (en) * 1979-01-12 1981-04-07 The United States Of America As Represented By The Secretary Of The Army Shape charge agent disposing process
US4760794A (en) * 1982-04-21 1988-08-02 Norman Allen Explosive small arms projectile
FR2722876A1 (fr) * 1994-07-22 1996-01-26 Manurhin Defense Projectile explosif
EP0694755A1 (fr) * 1994-07-22 1996-01-31 Manurhin Defense Projectile explosif
US5652408A (en) * 1994-07-22 1997-07-29 Manurhin Defense Explosive projectile
DE10036815A1 (de) * 2000-07-28 2002-02-07 Diehl Munitionssysteme Gmbh Pyrotechnischer Aufschlagzünder
WO2007041981A1 (de) * 2005-10-08 2007-04-19 Krauss-Maffei Wegmann Gmbh & Co. Kg Gefechtskopf
US10845176B2 (en) 2016-12-16 2020-11-24 Diehl Defence Gmbh & Co. Kg Munition module, warhead and munition
CN109764771A (zh) * 2019-03-19 2019-05-17 吉林大学 金属燃烧剂填充的弹体结构
CN113091534A (zh) * 2021-04-09 2021-07-09 南京理工大学 一种高灵敏度碰击触发的超音速弹头引信
CN113091534B (zh) * 2021-04-09 2022-06-28 南京理工大学 一种高灵敏度碰击触发的超音速弹头引信

Also Published As

Publication number Publication date
BE520143A (it)
GB736250A (en) 1955-09-07
CH318475A (it) 1957-01-15
FR1077914A (fr) 1954-11-12

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