EP0872702B1 - Pyrotechnische Ladung in einem Rohr - Google Patents
Pyrotechnische Ladung in einem Rohr Download PDFInfo
- Publication number
- EP0872702B1 EP0872702B1 EP98106895A EP98106895A EP0872702B1 EP 0872702 B1 EP0872702 B1 EP 0872702B1 EP 98106895 A EP98106895 A EP 98106895A EP 98106895 A EP98106895 A EP 98106895A EP 0872702 B1 EP0872702 B1 EP 0872702B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tube
- ball
- pyrotechnical charge
- silicone layer
- charge
- 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
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 14
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract 2
- 229920002379 silicone rubber Polymers 0.000 claims description 2
- 239000004945 silicone rubber Substances 0.000 claims description 2
- 239000006260 foam Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000000254 damaging effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B8/00—Practice or training ammunition
- F42B8/12—Projectiles or missiles
- F42B8/26—Hand grenades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B4/00—Fireworks, i.e. pyrotechnic devices for amusement, display, illumination or signal purposes
Definitions
- the invention relates to a pyrotechnic charge in a pipe the preamble of claim 1.
- a cannon strike is known from DE 19 69 984 U. This consists of one hollow body made of foam plastic. A bang mix is in the cargo area of the hollow body is circumferentially insulated. A cylindrical plug made of foam plastic closes the hole in the cargo area. The stopper is with one Emulsion adhesive connected to the hollow body. The plug is only used for fixation the bang charge. It has no damaging effect. On a moisture-preventing Property of foam plastic and glue comes not at it.
- the object of the invention is therefore a closure with a dam effect for a pyrotechnic charge, in which parts fly away these have a very low mass, so that the transmitted through these parts Energy remain well below a permissible value.
- FIG. 1 shows a hand grenade in longitudinal section and FIG. 2 shows an enlarged one drawn section of a charge tube according to FIG. 1.
- a practice hand grenade 1 shown in dash-dot lines has a central charge tube 3 with primer 5, a time-delayed set 7 and a bang charge 9 on.
- the charge tube 3 closes with its free end face 11 approximately with the lower one Face 13 of the practice grenade 1.
- a hole 15 takes the bang charge 9 on.
- the charge tube 3 has a conical seat 17 for a ball 18 from a light, foamed styrene and a recess 19 for one disk-shaped or lid-shaped silicone layer 21 consisting of a vulcanizable Silicone rubber.
- This is crater-shaped 27 with respect to the ball 18 and conical 28 with respect to the conical seat 17.
- the ball 18 is seated in the conical seat 17 with a slight preload, with about 50% the spherical surface is glued to the silicone layer 21.
- the silicone layer 21 is in turn over the surface of the recess 19 and part of the conical seat 17 glued to the charge tube 3.
- a very thin, membrane-shaped layer 31 of the silicone layer 21 enables the ball 18 exits the charge tube 3.
- the diameter 23 of the recess 19 is larger than the diameter 25 of the Ball 18. Because of this and through the conical seat 17, 28 or the edge 29 there is a Large adhesive surface of the silicone layer 21 on the charge tube 3 and on the ball 18 before. In the event of hard impacts in the axial direction of the charge tube 3, this ensures that the bang charge 9 applied to the ball 18 by the from which Ball 18 and the silicone layer 21 existing closure 30 an opening 33 the charge tube 3 closes securely.
- the time-delayed set 7 burns and ignites the bang charge 9.
- the gas pressure of the bang charge 9 drives the ball 18 out of it Tapered seat 17.
- the silicon layer 21 increases in the area of the layer 31 deformed until the ball 18 thins the increasingly thin silicon layer 21, 31 pierces.
- the silicone layer 21, 31 therefore remains on the charge tube 3 while the ball 18 due to its very small mass and large Drag quickly falls to the ground. The given conditions for the kinetic energy and flying distance of flying parts are not achieved, so that the security conditions are met.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Air Bags (AREA)
- Toys (AREA)
- Materials For Medical Uses (AREA)
Description
Claims (8)
- Pyrotechnische Ladung (9) in einem Rohr (3) für eine Übungsgranate (1) oder Feuerwerksartikel mit einem wenigstens zweiteiligen Verschluss (30), bei der das Rohr (3) durch einen, durch den Gasdruck zu öffnenden, sehr leichten, mit dem Rohr (3) verklebten Verschlusskörper (18) geschlossen ist,
dadurch gekennzeichnet, daß der Verschlußkörper (18) als Kugel (18) mit geringer Masse ausgebildet ist, und
dass eine äußere, etwa scheibenförmige Siliconschicht (21) im Bereich der Öffnung (33) des Rohres (3) die Kugel (18) mit dem Rohr (3) verbindet. - Pyrotechnische Ladung in einem Rohr nach Anspruch 1,
dadurch gekennzeichnet, dass die Kugel (18) aus einem geschäumten Werkstoff, wie Styrol besteht - Pyrotechnische Ladung in einem Rohr nach Anspruch 1,
dadurch gekennzeichnet, dass das Rohr (3) für die Lagerung der Kugel (18) mit einem Kegelsitz (17) versehen ist. - Pyrotechnische Ladung in einem Rohr nach Anspruch 3,
dadurch gekennzeichnet, dass das Rohr (3) eine Ausnehmung (19) zur Aufnahme der etwa scheibenförmigen Silikonschicht (21) aufweist und
der Durchmesser (23) der Ausnehmung (19) größer ist als die Kugel (18). - Pyrotechnische Ladung in einem Rohr nach Anspruch 1,
dadurch gekennzeichnet, dass die Silikonschicht (21) aus einem vulkanisierbarem Silikonkautschuk besteht. - Pyrotechnische Ladung in einem Rohr nach Anspruch 1,
dadurch gekennzeichnet, dass die Silikonschicht (21) in der Hauptachse des Rohres (3) mit einer membranförmigen Schicht (31) an der Kugel (18) anliegt bzw. mit der Kugel (18) verklebt ist. - Pyrotechnische Ladung in einem Rohr nach Anspruch 1,
dadurch gekennzeichnet, dass die pyrotechnische Ladung (9) an dem Verschlusskörper (18) anliegt. - Pyrotechnische Ladung in einem Rohr nach den Ansprüchen 1 und 3,
dadurch gekennzeichnet, dass der Verschlusskörper (18) etwa zur Hälfte seiner Oberfläche mit der Silikonschicht (21) verklebt ist, wobei die Silikonschicht mit einem spitz zulaufenden Rand (29) den Verschlusskörper (18) zu einem Teil einhüllt.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19716511A DE19716511A1 (de) | 1997-04-19 | 1997-04-19 | Pyrotechnische Ladung in einem Rohr |
| DE19716511 | 1997-04-19 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0872702A2 EP0872702A2 (de) | 1998-10-21 |
| EP0872702A3 EP0872702A3 (de) | 2000-01-26 |
| EP0872702B1 true EP0872702B1 (de) | 2003-10-01 |
Family
ID=7827084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98106895A Expired - Lifetime EP0872702B1 (de) | 1997-04-19 | 1998-04-16 | Pyrotechnische Ladung in einem Rohr |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0872702B1 (de) |
| AT (1) | ATE251301T1 (de) |
| DE (2) | DE19716511A1 (de) |
| DK (1) | DK0872702T3 (de) |
| NO (1) | NO317408B1 (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202004018014U1 (de) * | 2004-11-20 | 2006-04-27 | Diehl Bgt Defence Gmbh & Co. Kg | Rohr mit einer pyrotechnischen Ladung für eine Übungsgranate oder einen Feuerwerksartikel |
| US7621222B2 (en) | 2001-08-23 | 2009-11-24 | Raytheon Company | Kinetic energy rod warhead with lower deployment angles |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR844961A (fr) * | 1937-10-20 | 1939-08-07 | Anciens Ets Skoda | Projectile à retardateur dynamique et relais |
| FR1439815A (fr) * | 1961-03-13 | 1966-05-27 | Zd Y Rijnove Revoluce Narodni | Détonateur électrique à retardement et antidéflagrant |
| DE1969984U (de) * | 1967-02-28 | 1967-10-05 | Bock Geb | Knallkorper mit kanonenschlag. |
| DE7235812U (de) * | 1972-09-29 | 1973-02-08 | Diehl | Übungshandgranate |
| IT1057038B (it) * | 1976-03-15 | 1982-03-10 | Moneta F | Granata a mano suo procedimento di assemblaggio e suo adattamento ad uso per esercitazione |
| AT396304B (de) * | 1991-03-26 | 1993-08-25 | Oregon Ets Patentverwertung | Uebungs-handgranatenzuender |
-
1997
- 1997-04-19 DE DE19716511A patent/DE19716511A1/de not_active Withdrawn
-
1998
- 1998-04-16 EP EP98106895A patent/EP0872702B1/de not_active Expired - Lifetime
- 1998-04-16 DK DK98106895T patent/DK0872702T3/da active
- 1998-04-16 DE DE59809762T patent/DE59809762D1/de not_active Expired - Fee Related
- 1998-04-16 NO NO19981703A patent/NO317408B1/no unknown
- 1998-04-16 AT AT98106895T patent/ATE251301T1/de not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7621222B2 (en) | 2001-08-23 | 2009-11-24 | Raytheon Company | Kinetic energy rod warhead with lower deployment angles |
| DE202004018014U1 (de) * | 2004-11-20 | 2006-04-27 | Diehl Bgt Defence Gmbh & Co. Kg | Rohr mit einer pyrotechnischen Ladung für eine Übungsgranate oder einen Feuerwerksartikel |
Also Published As
| Publication number | Publication date |
|---|---|
| NO317408B1 (no) | 2004-10-25 |
| EP0872702A2 (de) | 1998-10-21 |
| NO981703L (no) | 1998-10-20 |
| EP0872702A3 (de) | 2000-01-26 |
| DE59809762D1 (de) | 2003-11-06 |
| ATE251301T1 (de) | 2003-10-15 |
| NO981703D0 (no) | 1998-04-16 |
| DK0872702T3 (da) | 2004-02-02 |
| DE19716511A1 (de) | 1998-10-22 |
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