EP0344224B1 - Splittermantel für metallische explosivkörper sowie verfahren zu seiner herstellung - Google Patents
Splittermantel für metallische explosivkörper sowie verfahren zu seiner herstellung Download PDFInfo
- Publication number
- EP0344224B1 EP0344224B1 EP88907598A EP88907598A EP0344224B1 EP 0344224 B1 EP0344224 B1 EP 0344224B1 EP 88907598 A EP88907598 A EP 88907598A EP 88907598 A EP88907598 A EP 88907598A EP 0344224 B1 EP0344224 B1 EP 0344224B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- separating cut
- hollow body
- casing according
- separating
- fragmentation casing
- 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
Links
Images
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 according to the preamble of patent claim 1.
- the invention further relates to a method for producing such a splinter jacket.
- 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-U1-84 27 781.5 shows a warhead with cracks arranged in the warhead housing, which have arisen 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.
- FIG. 1 The hollow cylinder 1 shown therein has constant wall thickness.
- 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 greatly enlarged in FIG. 1 by pulling the turns 6 apart. In reality, 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 cutting 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.
- the hollow cylinder cut open by the separating cut becomes an inherently stable body which is directly suitable for receiving an explosive charge without further reinforcing elements.
- FIG. 5 Another possibility of fixing the hollow cylinder in the collapsed state is to use a support sleeve.
- a support sleeve In Fig. 5 an inner support sleeve 10 is shown.
- the hollow cylinder 1 On the support sleeve, the hollow cylinder 1 is on the one hand by an outwardly projecting shoulder 11 of the support sleeve 10 in the right part of FIG. 5 and on the other hand by a web engaging in an internal groove 12 in the hollow cylinder 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 support sleeve can also be designed as an outer 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 partially zigzag-shaped or wavy. Such a configuration of the separating cut 5 achieves a certain toothing of the individual turns 6 which increases the stability of the hollow body.
- FIG. 9 shows in section a hollow body 1, only half shown, according to FIG. 2, in which, however, the pitch of the turns 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 which arises during the detonation of the explosive device 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, the fastening element for the igniter head also being molded 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.
- grooves 15 and 16 tapering at an acute angle are incorporated as predetermined breaking points.
- the grooves can be formed at the same time using the aforementioned manufacturing techniques. Instead of axially, the grooves can also run helically, for example. In general, they should run substantially perpendicular to the cut or cuts.
- the design of the hollow body is in no way limited to hollow cylinders.
- the invention can also be used without 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, open only at one location or on one side or completely closed can be used at two locations.
- the hollow body thus produced 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 which can be cut using 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)
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 |
---|---|---|---|
CH402387 | 1987-10-14 | ||
CH4023/87 | 1987-10-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0344224A1 EP0344224A1 (de) | 1989-12-06 |
EP0344224B1 true EP0344224B1 (de) | 1992-05-13 |
Family
ID=4268375
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88810612A Pending EP0312491A1 (de) | 1987-10-14 | 1988-09-09 | Splittermantel für metalische Explosivkörper sowie Verfahren zu seiner Herstellung |
EP88907598A Expired - Lifetime EP0344224B1 (de) | 1987-10-14 | 1988-09-09 | Splittermantel für metallische explosivkörper sowie verfahren zu seiner herstellung |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88810612A Pending EP0312491A1 (de) | 1987-10-14 | 1988-09-09 | Splittermantel für metalische Explosivkörper sowie Verfahren zu seiner Herstellung |
Country Status (20)
Country | Link |
---|---|
US (1) | US5095821A (xx) |
EP (2) | EP0312491A1 (xx) |
JP (1) | JPH02501853A (xx) |
KR (1) | KR890701980A (xx) |
CN (1) | CN1032584A (xx) |
AR (1) | AR241668A1 (xx) |
AT (1) | ATE76186T1 (xx) |
AU (1) | AU2318588A (xx) |
BR (1) | BR8807247A (xx) |
CA (1) | CA1323800C (xx) |
DE (1) | DE3871140D1 (xx) |
DK (1) | DK249289D0 (xx) |
ES (1) | ES2033018T3 (xx) |
FI (1) | FI94672C (xx) |
GR (1) | GR3005383T3 (xx) |
IL (1) | IL87958A (xx) |
NO (1) | NO172953C (xx) |
PT (1) | PT88744B (xx) |
WO (1) | WO1989003500A1 (xx) |
ZA (1) | ZA887516B (xx) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
EP3234498A1 (en) * | 2014-12-18 | 2017-10-25 | Raytheon Company | Explosive device with casing having voids therein |
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 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1203062A (en) * | 1915-08-02 | 1916-10-31 | John B Semple | Grenade. |
FR792362A (fr) * | 1935-07-11 | 1935-12-30 | Perfectionnement à la fabrication des ressorts à boudin | |
US2393275A (en) * | 1943-09-04 | 1946-01-22 | Budd Edward G Mfg Co | Method of making fragmentation bombs |
US2458576A (en) * | 1943-10-04 | 1949-01-11 | Nicholas L Etten | Fragmentation bomb |
US2382277A (en) * | 1943-10-30 | 1945-08-14 | Budd Edward G Mfg Co | Munitions |
US2673730A (en) * | 1948-10-28 | 1954-03-30 | Hupp Arleigh Glynn | Spring for spring clutches |
US2798431A (en) * | 1951-01-25 | 1957-07-09 | Howard W Semon | Fragmentation warhead |
US3434422A (en) * | 1959-04-22 | 1969-03-25 | Chamberlain Mfg Corp | Continuous rod mat |
US3855933A (en) * | 1967-05-11 | 1974-12-24 | Us Army | Dual purpose grenade |
US3768414A (en) * | 1971-05-21 | 1973-10-30 | Us Navy | Controlled fragment warhead |
FR2312009A1 (fr) * | 1975-05-23 | 1976-12-17 | Thomson Brandt | Enveloppe de charge explosive et notamment projectile a fragmentation |
BE889289A (fr) * | 1981-06-18 | 1981-12-18 | Prb N V Prb Sa | Tete creuse a fragmentation controlee pour engin explosif |
SE407695B (sv) * | 1977-08-31 | 1979-04-09 | Bofors Ab | Stridsdel av stal och sett att framstella den |
DE3069676D1 (en) * | 1979-12-13 | 1985-01-03 | Secr Defence Brit | Improvements in or relating to explosive fragmentation devices |
US4456705A (en) * | 1981-12-31 | 1984-06-26 | Usm Corporation | Heat fusible-expandable mastic for automobile floor pans |
US4590652A (en) * | 1983-10-14 | 1986-05-27 | Apx Group Inc. | Method for fabricating an air gap pipe |
DE8427781U1 (de) * | 1984-09-21 | 1985-05-15 | Rheinmetall GmbH, 4000 Düsseldorf | Gefechtskopf |
DE8427962U1 (de) * | 1984-09-22 | 1985-05-02 | Rheinmetall GmbH, 4000 Düsseldorf | Gefechtskopf |
US4570318A (en) * | 1984-10-12 | 1986-02-18 | United Technologies Corporation | Overunning clutch spring |
DE3624330C1 (de) * | 1986-07-18 | 1987-09-10 | Rheinmetall Gmbh | Hohlladungstochtergeschoss mit einer Geschosshuelle und vorderseitigem Zuendabstandshalter |
CH675475A5 (en) * | 1987-12-10 | 1990-09-28 | Karl Merz | Explosive member with mounted detonator head - having hollow cavity, explosive charge connecting flange, extra edge, external contour annular and main wall |
-
1988
- 1988-09-09 US US07/381,747 patent/US5095821A/en not_active Expired - Lifetime
- 1988-09-09 AT AT88907598T patent/ATE76186T1/de not_active IP Right Cessation
- 1988-09-09 EP EP88810612A patent/EP0312491A1/de active Pending
- 1988-09-09 EP EP88907598A patent/EP0344224B1/de not_active Expired - Lifetime
- 1988-09-09 ES ES198888907598T patent/ES2033018T3/es not_active Expired - Lifetime
- 1988-09-09 JP JP63507034A patent/JPH02501853A/ja active Pending
- 1988-09-09 AU AU23185/88A patent/AU2318588A/en not_active Abandoned
- 1988-09-09 BR BR888807247A patent/BR8807247A/pt unknown
- 1988-09-09 WO PCT/CH1988/000157 patent/WO1989003500A1/de active IP Right Grant
- 1988-09-09 DE DE8888907598T patent/DE3871140D1/de not_active Expired - Lifetime
- 1988-09-30 AR AR88312083A patent/AR241668A1/es active
- 1988-10-06 ZA ZA887516A patent/ZA887516B/xx unknown
- 1988-10-07 IL IL87958A patent/IL87958A/xx not_active IP Right Cessation
- 1988-10-12 PT PT88744A patent/PT88744B/pt not_active IP Right Cessation
- 1988-10-13 CA CA000579986A patent/CA1323800C/en not_active Expired - Fee Related
- 1988-10-13 CN CN88107203A patent/CN1032584A/zh active Pending
-
1989
- 1989-05-23 DK DK249289A patent/DK249289D0/da not_active Application Discontinuation
- 1989-06-02 FI FI892722A patent/FI94672C/fi not_active IP Right Cessation
- 1989-06-09 KR KR1019890701040A patent/KR890701980A/ko not_active Application Discontinuation
- 1989-06-13 NO NO892461A patent/NO172953C/no unknown
-
1992
- 1992-08-06 GR GR920401720T patent/GR3005383T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
ZA887516B (en) | 1989-08-30 |
IL87958A0 (en) | 1989-03-31 |
EP0344224A1 (de) | 1989-12-06 |
CA1323800C (en) | 1993-11-02 |
BR8807247A (pt) | 1989-10-31 |
FI892722A0 (fi) | 1989-06-02 |
NO172953C (no) | 1993-09-29 |
WO1989003500A1 (en) | 1989-04-20 |
DE3871140D1 (de) | 1992-06-17 |
EP0312491A1 (de) | 1989-04-19 |
US5095821A (en) | 1992-03-17 |
IL87958A (en) | 1992-11-15 |
NO892461D0 (no) | 1989-06-13 |
DK249289A (da) | 1989-05-23 |
NO892461L (no) | 1989-06-13 |
AR241668A1 (es) | 1992-10-30 |
NO172953B (no) | 1993-06-21 |
CN1032584A (zh) | 1989-04-26 |
KR890701980A (ko) | 1989-12-22 |
AU2318588A (en) | 1989-05-02 |
FI94672C (fi) | 1995-10-10 |
FI892722A (fi) | 1989-06-02 |
ES2033018T3 (es) | 1993-03-01 |
GR3005383T3 (xx) | 1993-05-24 |
ATE76186T1 (de) | 1992-05-15 |
JPH02501853A (ja) | 1990-06-21 |
FI94672B (fi) | 1995-06-30 |
DK249289D0 (da) | 1989-05-23 |
PT88744B (pt) | 1994-01-31 |
PT88744A (pt) | 1989-07-31 |
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