EP3745078A1 - Améliorations apportées ou se rapportant à des charges explosives - Google Patents

Améliorations apportées ou se rapportant à des charges explosives Download PDF

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Publication number
EP3745078A1
EP3745078A1 EP20168891.8A EP20168891A EP3745078A1 EP 3745078 A1 EP3745078 A1 EP 3745078A1 EP 20168891 A EP20168891 A EP 20168891A EP 3745078 A1 EP3745078 A1 EP 3745078A1
Authority
EP
European Patent Office
Prior art keywords
container
partition
membrane
charge
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.)
Granted
Application number
EP20168891.8A
Other languages
German (de)
English (en)
Other versions
EP3745078C0 (fr
EP3745078B1 (fr
Inventor
Roland Alford
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.)
Alford IP Ltd
Original Assignee
Alford IP Ltd
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 Alford IP Ltd filed Critical Alford IP Ltd
Priority to EP25189750.0A priority Critical patent/EP4624862A3/fr
Publication of EP3745078A1 publication Critical patent/EP3745078A1/fr
Application granted granted Critical
Publication of EP3745078C0 publication Critical patent/EP3745078C0/fr
Publication of EP3745078B1 publication Critical patent/EP3745078B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B1/00—Explosive charges characterised by form or shape but not dependent on shape of container
    • F42B1/02—Shaped or hollow charges
    • 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
    • F42B1/00—Explosive charges characterised by form or shape but not dependent on shape of container
    • F42B1/02—Shaped or hollow charges
    • F42B1/028—Shaped or hollow charges characterised by the form of the liner
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B1/00—Explosive charges characterised by form or shape but not dependent on shape of container
    • F42B1/02—Shaped or hollow charges
    • F42B1/032—Shaped or hollow charges characterised by the material of the liner
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B1/00—Explosive charges characterised by form or shape but not dependent on shape of container
    • F42B1/02—Shaped or hollow charges
    • F42B1/036—Manufacturing processes therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B33/00—Manufacture of ammunition; Dismantling of ammunition; Apparatus therefor
    • F42B33/06—Dismantling fuzes, cartridges, projectiles, missiles, rockets or bombs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B33/00—Manufacture of ammunition; Dismantling of ammunition; Apparatus therefor
    • F42B33/06—Dismantling fuzes, cartridges, projectiles, missiles, rockets or bombs
    • F42B33/062—Dismantling fuzes, cartridges, projectiles, missiles, rockets or bombs by high-pressure water jet means

Definitions

  • the present invention relates generally to an explosive charge and particularly, but not exclusively, to a shaped charge.
  • An aspect of the present invention provides an explosive charge container, the container includes an internal partition, the container can receive explosive material on one side of the partition and can receive projectile material on the other side of the partition.
  • the partition may be shaped to conform to a projectile liner receivable thereby.
  • a generally cone-shape partition is provided for receiving a correspondingly shaped metal liner.
  • the container may comprise a further partition for defining an enclosure for receiving liquid projectile material on the other side of the partition.
  • An end of the container may be open for receiving liquid explosive material; a liquid explosive material enclosure may thereby be defined between that open end and the partition.
  • the partition may be formed at or towards an end of the container.
  • the partition may be formed intermediate ends of the container.
  • the partition may be formed as a separate component that is attached or attachable to the container.
  • the partition may be a generally cone shape.
  • a cone with a curved/domed apex may be used; other embodiments use a cone with an angular/pointed apex.
  • a plastic cone may, for example, be used.
  • the partition may be formed as an integral part of the container.
  • the partition is formed separately from but connected/attached/secured into the container so as to become integral; in other embodiments the partition is formed as part of the container (e.g. a one-piece construction).
  • the present invention also provides a container as described herein and fitted with a metal liner on the other side of the partition.
  • the container may have an initiation end, in which within the container the partition is provided by a first membrane defining a proximal enclosure for receiving liquid explosive, and in which a second membrane is provided at or towards the end of the container opposite the initiation end and spaced from the first membrane so as to define a distal enclosure for receiving liquid projectile.
  • the first and/or second membranes may be cones. In some embodiments the first and second membranes are cones and may, for example, have generally the same cone angles.
  • the second membrane is generally flat; for example a cone-shape first membrane in combination with a flat second membrane.
  • the first membrane fits into the container and the second membrane fits/nests into/onto the first membrane.
  • the present invention also provides an explosive charge comprising a container as described herein and provided with explosive material and/or projectile material.
  • a container filled with liquid explosive material and/or fitted with a metal liner and/or filled with liquid projectile material.
  • a further aspect of the present invention provides an explosive charge comprising a container, the container includes an internal partition, the container comprises or can receive explosive material on one side of the partition and comprises or can receive a projectile on the other side of the partition.
  • the container may have an inner partition/barrier/membrane that forms an enclosure.
  • a projectile may be formed or provided at a front end.
  • the projectile could, for example, be a metal liner or a body of liquid material (such as water).
  • the explosive material could, for example, be a pourable explosive and/or a liquid explosive (such as nitromethane) or could be moulded/cast explosive material.
  • the partition may be formed at or towards an end of the container.
  • the partition may be formed intermediate ends of an elongate container.
  • the partition may be formed as a separate component that is attached or attachable to the container.
  • a projectile liner is received by the partition.
  • the partition may have a profile that is complimentary to a liner.
  • One end of the container may be open for receiving liquid explosive material.
  • a liquid enclosure is defined between an open end and the partition.
  • the container can receive a detonator, for example at one end thereof.
  • the partition may be generally cone shaped. In some embodiments the partition could then receive a solid liner, or could be one side of a liquid enclosure for receiving liquid projectile material (such as water). A cone angle of approximately 60 degrees may, for example, be used.
  • the partition may be formed as an integral part of the container.
  • the container may be generally cylindrical (for example with a generally circular section).
  • the container may be generally bottle-like.
  • the present invention also provides an explosive charge comprising a container, the container being open at one end, the container has an internal barrier membrane to form a liquid enclosure that can be filled from the open end, and a projectile is provided in front of the membrane.
  • the present invention also provides an explosive shaped charge comprising a container open at one end and sealed at or towards the other end by a membrane so as to define an enclosure for receiving liquid explosive, in which the membrane is shaped to conform to a projectile liner receivable by the membrane.
  • the present invention also provides an explosive shaped charge comprising a container open at an initiation end, within the container a first membrane is provided to define a proximal enclosure for receiving liquid explosive, a second membrane is provided at or towards the end of the container opposite the initiation end and spaced from the first membrane so as to define a distal enclosure for receiving liquid projectile.
  • the membranes may comprise first and second cones.
  • First and second membranes may have substantially the same profile
  • Either or both of two cones may have a cone angle of approximately 60 degrees.
  • the second membrane may be generally flat.
  • First and second membranes may be formed as nesting components.
  • Charges formed in accordance with the present invention may comprise or form part of an assembly that comprises an underwater housing securable to one end of the container.
  • the present invention also provides an explosive shaped charge comprising a container, the container being open at one end and having a membrane so as to form a liquid enclosure that can be filled from the open end, and a projectile is provided adjacent the membrane.
  • the container may comprise a further compartment for receiving liquid projectile material.
  • the profile of the membrane may conform to the profile of a metal liner.
  • the present invention may also provide a charge as described herein, filled with explosive material and provided with a projectile.
  • the present invention may also provide a charge as described herein, filled with liquid explosive and projectile material.
  • a further aspect of the present invention provides an explosive shaped charge comprising a container, the container being open at one end and having a membrane so as to form a liquid enclosure that can be filled from the open end, the membrane having a shape conforming to a liner.
  • the membrane may be formed at or towards an end of the container opposite the open end.
  • the membrane may be positioned intermediate the ends of the container.
  • the membrane may be formed as a separate component that is attached or attachable to the container.
  • the membrane may be formed or received within the interior of the container.
  • the liner may be received by the membrane.
  • the liner may be positioned axially spaced from the membrane
  • the liquid enclosure may be formed between the liner and the membrane.
  • the open end can be closed.
  • the open end may receive a detonator.
  • the membrane may be a generally cone shape.
  • the membrane is formed as an integral part of the container.
  • the container may be generally cylindrical.
  • the container may be generally bottle-like.
  • a further aspect provides an explosive shaped charge comprising a container open at one end and sealed at or towards the other end by a membrane so as to define an enclosure for receiving liquid explosive, in which the membrane is shaped to conform to a projectile liner receivable by the membrane.
  • a further aspect provides an explosive shaped charge comprising a container open at an initiation end, within the container a first membrane is provided to define a proximal enclosure for receiving liquid explosive, a second membrane is provided at or towards the end of the container opposite the initiation end and spaced from the first membrane so as to define a distal enclosure for receiving liquid projectile.
  • the membrane may comprise first and second cones.
  • the first and second membranes may have substantially the same profile
  • the first and second membranes may nest.
  • Some aspects and embodiments relate to a binary explosive shaped charge.
  • a further aspect provides an explosive charge comprising a container, the container includes an internal partition, the container comprises or can receive explosive material on one side of the partition and comprises or can receive a projectile on the other side of the partition, in which a projectile liner is received by the partition.
  • a further aspect provides an explosive shaped charge comprising a container open at an initiation end, within the container a first membrane is provided to define a proximal enclosure for receiving liquid explosive, a second membrane is provided at or towards the end of the container opposite the initiation end and spaced from the first membrane so as to define a distal enclosure for receiving liquid projectile, in which the charge comprises or can receive a projectile on the other side of the second membrane.
  • the present invention also provides a charge as described herein, filled with liquid explosive and projectile material.
  • the charge 10 comprises a generally cylindrical bottle-like container 15.
  • the container includes a generally cylindrical body 16. At one end of the body an inclined wall 17 extends radially inwards. At the centre of the wall 17 a neck 18 is provided and has a central passage 19. In this embodiment a separate screw threaded collar 20 is provided for receiving a detonator and can be screwed onto the neck 18.
  • the other end of the body 16 is closed by a partition/barrier/barrier membrane 25.
  • the membrane 25 has an annular flange 26 that fits onto the open end of the body.
  • a short annular skirt 27 depends from the flange. The skirt 27 is positioned to fit into the interior of the body.
  • a longitudinal annular leg 29 extends and is closed by a concave plate 30 (so the plate 30 is "inside" the body).
  • the interior of the body provides an enclosure 32 for receiving liquid explosive, such as nitromethane.
  • a projectile in the form of a metal cone 37 (such as magnesium, aluminium or copper) is provided.
  • the shape/profile of the cone 37 is complimentary with the shape of the plate/leg.
  • the charge diameter is greater than the projectile diameter.
  • the container could be formed from a plastics material.
  • the cone could be formed as a thin plastic membrane.
  • FIG. 4 A further example of a charge of the type described in relation to Figures 1 to 3 is shown in Figures 4 to 6 .
  • the charge I 10 is shown assembled in Figure 6 .
  • the body 116 can be filled with liquid explosive and the collar 120 is screwed onto the body 116.
  • a detonator 140 is fitted into the collar and a projectile 137 is fitted into the membrane 125.
  • activation of the detonator 140 causes detonation of the liquid explosive material, which in turn causes projection of the projectile 137.
  • FIGS 7 to 9 show a charge 210 formed according to a further embodiment.
  • the charge 210 has a cylindrical container 215 with a screw threaded neck 218 at one end of its body 216.
  • the other end of the body 216 is closed by a double cone arrangement.
  • First and second cone members 250, 255 are placed, axially spaced from each other, into the interior of the body.
  • cone members 250, 255 are provided in a nested format, with the second cone member nested inside the first cone member (with the cone apices being axially mutually spaced from each other).
  • a liquid explosive material compartment 232 is formed between the first cone member and the neck.
  • a liquid projectile material compartment 233 is formed between the two cones members.
  • either/both of the cone members are welded/adhered or otherwise permanently fixed into the body.
  • the container could be formed from a plastics material.
  • the cones could be formed as thin plastic membranes.
  • FIG. 10 A further example of a charge 210 of the type described in relation to Figures 7 to 9 is shown in Figures 10 and 11 .
  • Figure 10 shows the body with the collar screwed on.
  • Figure 11 the cone member has been inserted.
  • the body can be filled, for example, with liquid explosive and water.
  • a detonator can be fitted into the collar.
  • activation of the detonator causes detonation of the liquid explosive material, which in turn causes the water to be projected.
  • the liquid explosive may be binary e.g. a sensitizer could be added first and then liquid explosive material.
  • the first cone (defining the explosive material compartment/chamber) could be formed as part of the container, or could be provided separately and pre-fitted or fitted at the time of use.
  • the second cone could be fitted/secured after filling with projectile material.
  • Figures 12 and 13 show the charge 210 forming part of an underwater-compatible variation.
  • An underwater housing 260 is provided and fits over/onto the end of the assembled charge.
  • Figures 14 and 15 show a charge 310 formed according to a further embodiment.
  • the charge 310 is similar to the charge 210, having a liquid explosive material compartment 332 and a liquid projectile material compartment 333.
  • a front membrane 355 has a generally flat profile and an inner cone 350 is provided with a (approximately) 60 degree angle.
  • the figures show different variants formed in accordance with the present invention.
  • the interlayer/liner/membrane between the explosive and the projectile whether that be a liquid projectile (e.g. water) or a metal (e.g. magnesium) liner.
  • Some embodiments therefore allow the production of charges that do not have the projectile in and/or don't have explosive material in; they can be added at an appropriate time. Transport/storage of an empty or partially empty (and not fully enabled) charge container is therefore much safer.
  • any sort of projectile could be used/fitted, for example a composite or single material projectile.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Toys (AREA)
EP20168891.8A 2019-05-25 2020-04-09 Améliorations apportées ou se rapportant à des charges explosives Active EP3745078B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP25189750.0A EP4624862A3 (fr) 2019-05-25 2020-04-09 Améliorations apportées ou se rapportant à des charges explosives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1907438.4A GB2582670B8 (en) 2019-05-25 2019-05-25 Improvements in or relating to explosive charges

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP25189750.0A Division EP4624862A3 (fr) 2019-05-25 2020-04-09 Améliorations apportées ou se rapportant à des charges explosives
EP25189750.0A Division-Into EP4624862A3 (fr) 2019-05-25 2020-04-09 Améliorations apportées ou se rapportant à des charges explosives

Publications (3)

Publication Number Publication Date
EP3745078A1 true EP3745078A1 (fr) 2020-12-02
EP3745078C0 EP3745078C0 (fr) 2025-10-08
EP3745078B1 EP3745078B1 (fr) 2025-10-08

Family

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Family Applications (3)

Application Number Title Priority Date Filing Date
EP25189750.0A Pending EP4624862A3 (fr) 2019-05-25 2020-04-09 Améliorations apportées ou se rapportant à des charges explosives
EP20168891.8A Active EP3745078B1 (fr) 2019-05-25 2020-04-09 Améliorations apportées ou se rapportant à des charges explosives
EP20723779.3A Active EP3977042B1 (fr) 2019-05-25 2020-05-07 Charge creuse

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP25189750.0A Pending EP4624862A3 (fr) 2019-05-25 2020-04-09 Améliorations apportées ou se rapportant à des charges explosives

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP20723779.3A Active EP3977042B1 (fr) 2019-05-25 2020-05-07 Charge creuse

Country Status (4)

Country Link
US (1) US20220325991A1 (fr)
EP (3) EP4624862A3 (fr)
GB (2) GB2582670B8 (fr)
WO (1) WO2020239383A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB202017072D0 (en) * 2020-10-27 2020-12-09 Uxo Control B V Unexploded ordinance disposal method and system
CN116625175B (zh) * 2023-07-25 2023-09-19 吉林市双林射孔器材有限责任公司 一种大孔径增压射孔弹
GB202405504D0 (en) * 2024-04-19 2024-06-05 Alford Ip Ltd Improvements in or relating to explosive charges

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DE2745744A1 (de) * 1976-11-29 1978-06-01 Ici Ltd Hohlsprengladungseinrichtung, gehaeuse und verfahren fuer den unterwassergebrauch
GB2209819A (en) * 1987-09-15 1989-05-24 Alford Sidney C Shaping apparatus for an explosive charge
WO2003058155A1 (fr) * 2002-01-08 2003-07-17 Alford Sidney C Dispositif disruptif pour engins explosifs

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DE1946991C3 (de) * 1969-09-17 1978-05-24 Messerschmitt-Boelkow-Blohm Gmbh, 8000 Muenchen Hohlladung
GB1475754A (en) * 1974-10-21 1977-06-10 Ici Ltd Shaped charge device
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FR2429990B1 (fr) * 1978-06-27 1985-11-15 Saint Louis Inst Charge explosive plate
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DE8132666U1 (de) * 1981-11-07 1984-01-31 Rheinmetall GmbH, 4000 Düsseldorf Einlage für eine Sprengladung zum Bilden eines im wesentlichen stabförmigen Projektils
US4714022A (en) * 1984-09-05 1987-12-22 Etat Francais Warhead with tandem shaped charges
DE3506225A1 (de) * 1985-02-22 1986-08-28 Diehl GmbH & Co, 8500 Nürnberg Gefechtskopfanordnung
DE3508740A1 (de) * 1985-03-12 1986-10-16 Karl 8898 Schrobenhausen Rudolf Hohlladung zum einsatz gegen beton- und/oder gesteinsarmierte ziele
US4766813A (en) * 1986-12-29 1988-08-30 Olin Corporation Metal shaped charge liner with isotropic coating
DE3705381A1 (de) * 1987-02-20 1988-09-01 Diehl Gmbh & Co Sprengladung mit einer projektilbildenden metallischen einlage
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Publication number Priority date Publication date Assignee Title
DE2745744A1 (de) * 1976-11-29 1978-06-01 Ici Ltd Hohlsprengladungseinrichtung, gehaeuse und verfahren fuer den unterwassergebrauch
GB2209819A (en) * 1987-09-15 1989-05-24 Alford Sidney C Shaping apparatus for an explosive charge
WO2003058155A1 (fr) * 2002-01-08 2003-07-17 Alford Sidney C Dispositif disruptif pour engins explosifs

Also Published As

Publication number Publication date
EP3977042B1 (fr) 2024-10-16
EP3977042A1 (fr) 2022-04-06
GB201907438D0 (en) 2019-07-10
WO2020239383A1 (fr) 2020-12-03
EP4624862A2 (fr) 2025-10-01
GB202002939D0 (en) 2020-04-15
EP3977042C0 (fr) 2024-10-16
GB2582670B8 (en) 2023-10-25
EP3745078C0 (fr) 2025-10-08
US20220325991A1 (en) 2022-10-13
GB2584361A (en) 2020-12-02
GB2582670A (en) 2020-09-30
EP3745078B1 (fr) 2025-10-08
GB2582670B (en) 2023-07-12
GB2584361B (en) 2023-02-01
GB2582670A8 (en) 2023-10-25
EP4624862A3 (fr) 2025-12-03

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