EP0784780A1 - Skidding driving band - Google Patents
Skidding driving bandInfo
- Publication number
- EP0784780A1 EP0784780A1 EP95936143A EP95936143A EP0784780A1 EP 0784780 A1 EP0784780 A1 EP 0784780A1 EP 95936143 A EP95936143 A EP 95936143A EP 95936143 A EP95936143 A EP 95936143A EP 0784780 A1 EP0784780 A1 EP 0784780A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- driving band
- driving
- cut
- groove
- fitted
- 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.)
- Ceased
Links
- 239000004033 plastic Substances 0.000 claims abstract description 16
- 229920003023 plastic Polymers 0.000 claims abstract description 16
- 239000004429 Calibre Substances 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 5
- 239000011324 bead Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 5
- 238000010304 firing Methods 0.000 claims description 4
- 241001484259 Lacuna Species 0.000 claims 1
- 101100008050 Caenorhabditis elegans cut-6 gene Proteins 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B14/00—Projectiles or missiles characterised by arrangements for guiding or sealing them inside barrels, or for lubricating or cleaning barrels
- F42B14/02—Driving bands; Rotating bands
Definitions
- the present invention relates to a novel method for providing K-E ammunition, such as sub-calibre arro - type projectiles provided with sabots, with plastics driving bands of a type which is known per se, which plastics driving bands, upon firing from specifically designed barrels, seal against the inner side of the barrel and skid into a specifically matched groove in the sabot of the projectile.
- the invention also includes the plastics driving band which is configured in accordance therewith.
- plastics driving bands at all as barrel seals in respect of different types of ammuni- tion dates back a long way, although it was primarily full-calibre projectiles with plastics driving bands which were originally in mind.
- a variant of such a plastics driving band for full-calibre projectiles is described, for example, in Swedish patent 7506856-9.
- skidding plastics driving bands are generally used in respect of K-E ammunition as a powder- gas seal between the sabot and the inner side of the barrel.
- these plastics driving bands have been fitted in place by making use of the natural elasticity of the driving band material and by forcing them over the rear guide bead of the sabot and down into the specifi ⁇ cally designed grooves in the sabot.
- the driving band is opened by virtue of a suitably configured parting cut running transversely across its casing surface, so that it can easily be forced apart and drawn over the guide bead in question, whilst, at the same time, the latter can be fully dimensioned.
- the driving band is able to recover its original shape. It is also conceivable, following assem ⁇ bly, to glue or weld the driving band together along the parting cut, but, rather surprisingly, this has been shown to be unnecessary.
- the driving band is therefore divided, including during firing, there has been shown to be no risk whatsoever of the driving band collapsing.
- the parting cut may be variously configured, but obliquely placed cuts would probably be preferable, although purely axial, straight cuts might also be con ⁇
- Pig. 1 shows a side projection of an arrow-type projec ⁇ tile prepared for fitting of the driving band, and a driving band which is ready to be fitted
- Fig. 2 shows an oblique projection of a driving band according to the invention
- Fig. 3 shows the finished projectile.
- the complete projectile 1 shown in the figures comprises the arrow-type projectile 2 itself, which has a front tip 3 and a rear fin tail unit 4. It is sur ⁇ rounded, in turn, by a sabot 5, which is divided along the cut 6.
- the various parts of the sabot 5, which are preferably not less than 3 in number, are held together by a front breaking band 7.
- a driving band groove 8 In the rear part of the sabot there is a driving band groove 8, which is surrounded on each side by a front guide bead 9 and a rear guide bead 10.
- the driving band 11 is prepared for fitting by means of its casing wall being cut through along at least one cut 13, which is preferably inclined relative to its width and which therefore opens the driving band in such a way that, in the manner indicated in Fig. 1, it can be forced apart and drawn over the rear guide bead 10 and down into the specifically designed groove 8, after which the two sectional surfaces 13a and 13b respectively, by virtue of the elasticity of the material, are brought back into contact with each other, guided as they are by the edges of the driving band groove 8.
- a check is made to ensure that it is able to rotate freely within its groove, after which the projec ⁇ tile is ready for delivery.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Standing Axle, Rod, Or Tube Structures Coupled By Welding, Adhesion, Or Deposition (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Toys (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9403570 | 1994-10-19 | ||
| SE9403570A SE517164C2 (sv) | 1994-10-19 | 1994-10-19 | Sätt att förse K-E projektiler med slirande plastgördlar samt gördel för användandet vid sättet |
| PCT/SE1995/001179 WO1996012927A1 (en) | 1994-10-19 | 1995-10-13 | Skidding driving band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP0784780A1 true EP0784780A1 (en) | 1997-07-23 |
Family
ID=20395665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP95936143A Ceased EP0784780A1 (en) | 1994-10-19 | 1995-10-13 | Skidding driving band |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0784780A1 (no) |
| IL (1) | IL115569A0 (no) |
| NO (1) | NO309116B1 (no) |
| SE (1) | SE517164C2 (no) |
| WO (1) | WO1996012927A1 (no) |
| ZA (1) | ZA958852B (no) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10034345B4 (de) * | 2000-07-14 | 2005-02-17 | Rheinmetall W & M Gmbh | Aus einer Rohrwaffe verschießbares Vollkalibergeschoß |
| DE102005019534A1 (de) * | 2005-04-27 | 2006-11-09 | Rheinmetall Waffe Munition Gmbh | Verfahren zum Umarbeiten von aus Waffen mit gezogenen Rohren in aus Glattrohrwaffen verschießbarer Munition |
| DE102012006892B3 (de) * | 2012-04-05 | 2013-01-24 | Rheinmetall Waffe Munition Gmbh | Leitwerkstabilisiertes Vollkaliber-Übungsgeschoss und Verfahren zu seiner Herstellung |
| DE102012006894B4 (de) * | 2012-04-05 | 2014-02-27 | Rheinmetall Waffe Munition Gmbh | Leitwerkstabilisiertes Vollkaliber-Übungsgeschoss und Verfahren zu seiner Herstellung |
| DE102012006895B3 (de) * | 2012-04-05 | 2013-01-24 | Rheinmetall Waffe Munition Gmbh | Leitwerkstabilisiertes Vollkaliber-Übungsgeschoss |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1195184A (en) * | 1969-03-04 | 1970-06-17 | Forsvarets Fabriksverk | Improvements in or relating to Muzzle-Loading Rifle-Bore Mortas and Projectile Therefor. |
| DE2331158A1 (de) * | 1973-06-19 | 1975-01-16 | Diehl Fa | Geschoss-fuehrungsring |
| NO147159L (no) * | 1979-09-08 | 1900-01-01 | ||
| AT388047B (de) * | 1987-09-28 | 1989-04-25 | Assmann Geb | Dichtring fuer eine granate |
-
1994
- 1994-10-19 SE SE9403570A patent/SE517164C2/sv unknown
-
1995
- 1995-10-11 IL IL11556995A patent/IL115569A0/xx unknown
- 1995-10-13 WO PCT/SE1995/001179 patent/WO1996012927A1/en not_active Application Discontinuation
- 1995-10-13 EP EP95936143A patent/EP0784780A1/en not_active Ceased
- 1995-10-19 ZA ZA958852A patent/ZA958852B/xx unknown
-
1997
- 1997-04-18 NO NO971802A patent/NO309116B1/no not_active IP Right Cessation
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9612927A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| NO971802D0 (no) | 1997-04-18 |
| NO971802L (no) | 1997-04-18 |
| SE517164C2 (sv) | 2002-04-23 |
| SE9403570L (sv) | 1996-04-20 |
| WO1996012927A1 (en) | 1996-05-02 |
| SE9403570D0 (sv) | 1994-10-19 |
| ZA958852B (en) | 1996-05-14 |
| NO309116B1 (no) | 2000-12-11 |
| IL115569A0 (en) | 1996-01-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
Effective date: 19970429 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT CH DE FR GB IT LI |
|
| 17Q | First examination report despatched |
Effective date: 19991015 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED |
|
| 18R | Application refused |
Effective date: 20001222 |