EP0344224A1 - Manchon a fractionnement pour corps explosif metallique et procede de fabrication - Google Patents

Manchon a fractionnement pour corps explosif metallique et procede de fabrication

Info

Publication number
EP0344224A1
EP0344224A1 EP88907598A EP88907598A EP0344224A1 EP 0344224 A1 EP0344224 A1 EP 0344224A1 EP 88907598 A EP88907598 A EP 88907598A EP 88907598 A EP88907598 A EP 88907598A EP 0344224 A1 EP0344224 A1 EP 0344224A1
Authority
EP
European Patent Office
Prior art keywords
hollow body
separating cut
jacket according
separating
splinter
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
EP88907598A
Other languages
German (de)
English (en)
Other versions
EP0344224B1 (fr
Inventor
Karl Merz
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT88907598T priority Critical patent/ATE76186T1/de
Publication of EP0344224A1 publication Critical patent/EP0344224A1/fr
Application granted granted Critical
Publication of EP0344224B1 publication Critical patent/EP0344224B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • F42B12/22—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 with fragmentation-hull construction
    • F42B12/26—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 with fragmentation-hull construction the projectile wall being formed by a spirally-wound element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H3/00—Storage means or arrangements for workshops facilitating access to, or handling of, work tools or instruments

Definitions

  • the invention relates to a splinter jacket for an explosive body, in particular for a projectile, a grenade or a mine, with a one-piece hollow body provided with predetermined breaking points.
  • the invention further relates to a method for producing such a splinter jacket.
  • the splinter jacket is usually provided with predetermined breaking points.
  • predetermined breaking points designed as grooves in the splinter jacket, the possible total mass of the splinter jacket (in relation to its size) is somewhat lost.
  • a splinter jacket which consists of rings with a rectangular cross-section which are arranged on a support body and lie snugly against one another.
  • DE-Ul-84 27 781.5 shows a warhead with cracks arranged in the warhead ' cop housing, which are created from grooves milled into the wall of the warhead housing by upsetting the warhead housing.
  • the invention has for its object to provide a splinter jacket of the type described above, which can be produced much more efficiently with considerably less work.
  • This object is achieved according to the present invention by a splinter jacket with the features specified in claim 1.
  • the solution idea is to slit the hollow body at least in one batch through at least one separating cut forming a separating gap, the separating cut being made in such a way that the hollow body remains as an integral structure.
  • the separating cut surfaces adjacent to one another in the separating gap are brought into contact with one another and fixed to one another in contact.
  • FIG. 1 shows a hollow body in the form of a hollow cylinder, the jacket of which is evenly divided into turns between two end parts by a separating cut, which are spaced apart by pulling apart,
  • FIG. 2 shows a hollow body according to FIG. 1, but this is pushed together so that the windings abut one another,
  • FIG. 3 shows in section a hollow body, according to FIG. 2, in which, however, the mutually adjacent separating cut edges are partially connected to one another by a weld on the outer circumference,
  • Fig. 4 is a hollow body according to FIG. 2, but in which erschweissung ⁇ the adjacent separating cut edges by a point are connected partially to each other on the outer circumference,
  • FIG. 5 shows in section a hollow body, according to FIG. 2, in which, however, a support sleeve is inserted
  • FIG. 6 shows in section a hollow body shown only half, according to FIG. 2, in which, however, the separating cut is for the most part oriented obliquely to its surface
  • 7 shows a hollow body, according to FIG. 2, in which, however, the separating cut is made in sections zig-zag-shaped
  • FIG. 10 shows a hollow body according to FIG. 2, in which, however, two separating cuts are provided
  • FIG. 11 shows a hollow body, according to FIG. 2, but with a molded ignition head
  • FIG. 1 The hollow cylinder 1 shown therein has a constant wall thickness.
  • a helical separating cut 5 has been made, by means of which the middle section 4 is broken up into turns 6.
  • the separating cut 5 is carried out by a metal cutting device, for example by a laser or plasma cutting device.
  • the separating cut 5 can also be carried out in another way, for example by means of a mechanical cutting device.
  • the gap formed between the turns is shown in FIG. 1 by pulling the turns 6 ' apart.
  • the gap width when making the separating cut using a laser cutting device is only approximately 0.15-0.3 mm.
  • a small hole 7 with an at least approximately round cross section can be provided there.
  • the hollow cylinder 1 In the collapsed state, the hollow cylinder 1 is under a certain elastic tension. So that it remains in this state, it must be fixed in this state. This can be done in a simple manner by welding adjacent cut edges of the separating cut 5, as is shown in FIG. 3. In FIG. 3, a weld seam made on the outer circumference and running continuously along the separating cut is designated by 8.
  • FIG. 3 shows an embodiment in which the cut edges of the separating cut 5 are discontinuously welded on the outer circumference.
  • the individual welds are designated by 9.
  • the hollow cylinder cut open by the separating cut becomes a body which is stable in itself and which is directly suitable for receiving an explosive charge without additional reinforcing elements.
  • Another possibility of fixing the hollow cylinder in the collapsed state is to use a support sleeve. 5, an inner support sleeve 10 is shown.
  • the hollow cylinder 1 is on the one hand by an outwardly jumping shoulder 11 of the support sleeve 10 in the right part of FIG. 5 and on the other hand by a web on the support sleeve 10 in the left part of FIG. 5 fixed.
  • the support sleeve 10 preferably consists of a relatively easily deformable material, such as aluminum, and is pressed into the hollow cylinder under pressure (the material flowing into the groove in the hollow cylinder).
  • the supporting sleeve can also act as foreign 'formed sleeve (not shown) ".
  • the stability of the hollow cylinder 1 is substantially increased by the support sleeve 10.
  • the support sleeve 10 requires a certain volume by which an explosive device to be inserted into the hollow cylinder 1 must be made smaller.
  • the welding solution itself is therefore preferable.
  • FIG. 6 shows in section a hollow body 1, only half shown, according to FIG. 2, in which, however, the separating cut 5 is for the most part oriented obliquely to its surface. This can be used, for example, for spatial distribution the pressure wave arising during the detonation of the explosive device is taken into account.
  • FIG. 7 shows a hollow body, according to FIG. 2, in which, however, the separating cut 5 is made zigzag or wavy in sections.
  • FIG. 9 shows in section a hollow body 1, only half shown, according to FIG. 2, in which, however, the pitch of the windings 6 is not constant, but rather decreases from the center 4 towards the outside (towards the end parts 2, 3).
  • the spatial distribution of the pressure wave generated when the explosive device is detonated can also be taken into account in this way.
  • FIG. 10 shows a hollow body 1 according to FIG. 2, in which two helical, mutually non-overlapping separating cuts 5 ', 5''are provided. It is also possible to make the separating cuts as single or multi-start screw lines. In addition, the separating cuts can be made with interruptions instead of the welded connections (8 or 9 in Fig. 7 or 8).
  • FIG. 11 shows a splinter jacket which is designed as a predominantly cylindrical sleeve 13 with a base part 14 designed as a fastening element for an ignition head.
  • a hollow body is preferably produced prior to the attachment of the separating cut 5 by hot and / or cold massive forming or in the deep-drawing process, with the fastening element for the igniter head being formed at the same time.
  • the separating cut 5 ends or begins at a distance from the left-hand opening of the bush on the one hand and from its bottom part 14 on the other hand.
  • the grooves can also be formed using the • above-mentioned manufacturing techniques. Instead of axially, the grooves can also run helically, for example. In general, they should run essentially perpendicular to the separating section or sections.
  • the design of the hollow body is in no way limited to hollow cylinders.
  • the invention can also be used without any problems in the case of conical, frustoconical, spherical, egg-shaped, plate-shaped or grenade-shaped hollow bodies, an embodiment both with or without a support sleeve being possible.
  • the hollow bodies do not necessarily have to be rotationally symmetrical. Hollow bodies that are open, only open at one point or side or completely closed can be used at two points.
  • the hollow body thus created which is provided with a winding section, can also be used as a spring for other purposes, for example with appropriate thermal treatment. All materials can be used in which a separating cut can be carried out by a suitable method.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Arc Welding In General (AREA)
  • Helmets And Other Head Coverings (AREA)
  • Laser Beam Processing (AREA)
  • Disintegrating Or Milling (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)

Abstract

Le manchon d'une seule pièce (1) est divisé au moyen d'une découpure (5) en partie (4) destinée à se fractionner. La découpure est disposée de façon que le manchon se tienne d'une seule pièce, à cet effet les faces de la découpure de séparation sont amenées en contact et fixées l'une à l'autre.
EP88907598A 1987-10-14 1988-09-09 Manchon a fractionnement pour corps explosif metallique et procede de fabrication Expired - Lifetime EP0344224B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88907598T ATE76186T1 (de) 1987-10-14 1988-09-09 Splittermantel fuer metallische explosivkoerper sowie verfahren zu seiner herstellung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4023/87 1987-10-14
CH402387 1987-10-14

Publications (2)

Publication Number Publication Date
EP0344224A1 true EP0344224A1 (fr) 1989-12-06
EP0344224B1 EP0344224B1 (fr) 1992-05-13

Family

ID=4268375

Family Applications (2)

Application Number Title Priority Date Filing Date
EP88907598A Expired - Lifetime EP0344224B1 (fr) 1987-10-14 1988-09-09 Manchon a fractionnement pour corps explosif metallique et procede de fabrication
EP88810612A Pending EP0312491A1 (fr) 1987-10-14 1988-09-09 Enveloppe à fragmentation pour engin explosif métallique et son procédé de fabrication

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP88810612A Pending EP0312491A1 (fr) 1987-10-14 1988-09-09 Enveloppe à fragmentation pour engin explosif métallique et son procédé de fabrication

Country Status (20)

Country Link
US (1) US5095821A (fr)
EP (2) EP0344224B1 (fr)
JP (1) JPH02501853A (fr)
KR (1) KR890701980A (fr)
CN (1) CN1032584A (fr)
AR (1) AR241668A1 (fr)
AT (1) ATE76186T1 (fr)
AU (1) AU2318588A (fr)
BR (1) BR8807247A (fr)
CA (1) CA1323800C (fr)
DE (1) DE3871140D1 (fr)
DK (1) DK249289D0 (fr)
ES (1) ES2033018T3 (fr)
FI (1) FI94672C (fr)
GR (1) GR3005383T3 (fr)
IL (1) IL87958A (fr)
NO (1) NO172953C (fr)
PT (1) PT88744B (fr)
WO (1) WO1989003500A1 (fr)
ZA (1) ZA887516B (fr)

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GB9011559D0 (en) * 1990-05-23 1990-07-11 Jem Smoke Machine Co Improvements in or relating to a pyrotechnic device
SG82583A1 (en) * 1997-04-23 2001-08-21 Diehl Stiftung & Co Fragmentation body for a fragmentation projectile
DE19960180B4 (de) * 1999-12-14 2006-03-09 Rheinmetall W & M Gmbh Verfahren zur Herstellung eines Sprenggeschosses
CH694473A5 (de) 2000-04-19 2005-01-31 Karl Merz Stahlmantel für eine Granate und Verfahren zu seiner Herstellung.
DE10130324B4 (de) * 2001-06-22 2005-03-24 TDW Gesellschaft für wehrtechnische Wirksysteme mbH Splittererzeugender Gefechtskopf
IL160500A (en) * 2004-02-20 2009-02-11 Rafael Advanced Defense Sys Method of retrofiting a munition for enhancing fragmentation effectiveness
US7093542B2 (en) * 2004-04-22 2006-08-22 Lockheed Martin Corporation Warhead with integral, direct-manufactured features
BG969U1 (bg) * 2006-12-19 2007-12-28 "Арсенал" Ад Осколъчна граната
JP5256078B2 (ja) * 2009-03-03 2013-08-07 株式会社Ｉｈｉエアロスペース 指向性りゅう弾
GB2469099B (en) * 2009-04-01 2013-01-23 Chemring Energetics Uk Ltd Explosive charge
DE102009047757B4 (de) 2009-12-09 2011-09-15 Hoffmann & Co. Elektrokohle Ag Sensorelement für eine Sensorvorrichtung
JP5504902B2 (ja) * 2010-01-14 2014-05-28 日油株式会社 円筒状弾薬用の梱包容器
US9360284B1 (en) 2013-03-15 2016-06-07 Vista Outdoor Operations Llc Manufacturing process to produce metalurgically programmed terminal performance projectiles
AT515209B1 (de) 2014-03-14 2015-07-15 Hirtenberger Defence Systems Gmbh & Co Kg Geschoss
US10018453B1 (en) 2014-04-15 2018-07-10 Lockheed Martin Corporation Lightweight monolithic warhead and a method of manufacture
US9738947B1 (en) 2014-04-18 2017-08-22 The United States Of America As Represented By The Secretary Of The Navy Fragmentation device with increased surface hardness and a method of producing the same
WO2016100594A1 (fr) * 2014-12-18 2016-06-23 Raytheon Company Dispositif explosif avec boîtier comportant des vides à l'intérieur de celui-ci
RU2627506C1 (ru) * 2016-04-18 2017-08-08 Роман Николаевич Серёгин Корпус боеприпаса
US10113846B2 (en) * 2016-07-07 2018-10-30 General Dynamics Ordnance and Tactical Systems-Canada, Inc. Systems and methods for reducing munition sensitivity
RU174290U1 (ru) * 2017-04-03 2017-10-10 Государственное научное учреждение "Институт порошковой металлургии" Осколочный элемент заданного дробления
US11454480B1 (en) 2019-06-12 2022-09-27 Corvid Technologies LLC Methods for forming munitions casings and casings and munitions formed thereby

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Also Published As

Publication number Publication date
PT88744A (pt) 1989-07-31
WO1989003500A1 (fr) 1989-04-20
NO892461L (no) 1989-06-13
KR890701980A (ko) 1989-12-22
PT88744B (pt) 1994-01-31
FI892722A (fi) 1989-06-02
GR3005383T3 (fr) 1993-05-24
IL87958A0 (en) 1989-03-31
DK249289A (da) 1989-05-23
NO172953B (no) 1993-06-21
NO172953C (no) 1993-09-29
ATE76186T1 (de) 1992-05-15
ZA887516B (en) 1989-08-30
BR8807247A (pt) 1989-10-31
FI94672B (fi) 1995-06-30
CA1323800C (fr) 1993-11-02
ES2033018T3 (es) 1993-03-01
IL87958A (en) 1992-11-15
DK249289D0 (da) 1989-05-23
AU2318588A (en) 1989-05-02
NO892461D0 (no) 1989-06-13
FI892722A0 (fi) 1989-06-02
DE3871140D1 (de) 1992-06-17
FI94672C (fi) 1995-10-10
US5095821A (en) 1992-03-17
EP0344224B1 (fr) 1992-05-13
AR241668A1 (es) 1992-10-30
EP0312491A1 (fr) 1989-04-19
CN1032584A (zh) 1989-04-26
JPH02501853A (ja) 1990-06-21

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