EP1340039B1 - Cartouches a plombs contenant des pieces intercalaires biodegradables - Google Patents

Cartouches a plombs contenant des pieces intercalaires biodegradables Download PDF

Info

Publication number
EP1340039B1
EP1340039B1 EP01991765A EP01991765A EP1340039B1 EP 1340039 B1 EP1340039 B1 EP 1340039B1 EP 01991765 A EP01991765 A EP 01991765A EP 01991765 A EP01991765 A EP 01991765A EP 1340039 B1 EP1340039 B1 EP 1340039B1
Authority
EP
European Patent Office
Prior art keywords
separator
separator according
gasket
shot
biodegradable
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
Application number
EP01991765A
Other languages
German (de)
English (en)
Other versions
EP1340039A2 (fr
Inventor
Irene Schikora
Peter Wagner
Norbert Wurzbacher
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.)
RWS GmbH
Original Assignee
RUAG Ammotec GmbH
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
Priority claimed from DE10156315A external-priority patent/DE10156315A1/de
Application filed by RUAG Ammotec GmbH filed Critical RUAG Ammotec GmbH
Publication of EP1340039A2 publication Critical patent/EP1340039A2/fr
Application granted granted Critical
Publication of EP1340039B1 publication Critical patent/EP1340039B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B7/00—Shotgun ammunition
    • F42B7/02—Cartridges, i.e. cases with propellant charge and missile
    • F42B7/08—Wads, i.e. projectile or shot carrying devices, therefor

Definitions

  • the invention relates to an intermediate means between cargo and shot in one Shotgun shell.
  • the Cupplugs are usually made of plastic, such as LDPE (Low Density Polyethylene) or comparable materials.
  • the Sealing discs can be made of other materials instead of plastic consist, for example, cardboard, felt, fibers or combinations the same. Such materials can lead to sealing problems and thus Disturbances of the internal ballistics, the shot development in the course, the ignition and Combustion processes, lead.
  • a shotgun cartridge case which is a Intermediate means, which is composed of several parts together. Also Here preferred materials are non-biodegradable plastics as well Rubber.
  • the object of the invention is to make the intermediate means so that they No longer burden the environment and at the same time improve the internal ballistics.
  • the intermediate means, the Sealing disk according to the invention and the cup plug according to the invention are made of biodegradable, non-brittle materials, which are the Temperature load of the propellant gases without affecting the function Destruction tolerated and when stored under Kompostier discipline are completely biodegradable and also a shaping get an optimal seal against the hot gases of the Cause propellant charge.
  • the biodegradable materials of the intermediate means such as the Plastic BAK from the company BAYER, advantageously allow degradation in nature by rotting in an appropriate time. When used on shooting ranges Disposal with household waste or composting possible.
  • Plastic For example, biologically harmless fibers such as natural fibers, Carbon fibers, Glasfasem or Mineralfasem be reinforced.
  • the structural design of the cup-shaped plug according to the invention with reinforced Slats allow optimal drive and clean guidance of the Shotgun blast.
  • the damping part is designed so that a uniform Power transmission of the gas pressure on the shotgun and thus on the shotgun is guaranteed.
  • the new design as well as the new materials of the interim means effect advantageous a uniform distribution of the shot shave.
  • FIG. 1 shows a sealing disk 1 of the H-shape according to the invention from FIG biodegradable plastic.
  • the outer diameter 2 and the diameter 3 of the reinforced central part 4 and the thickness 5 of the disc are so on each other Tuned that the forces of gas pressure over the entire disc surface evenly distributed on the shot load.
  • the good seal of the disc 1 opposite to the sleeve wall is characterized by which the angle 6 to a thickness of reaches about 0.4 to 0.5 mm tapered two-sided webs 7, which thereby characterized as act on the sleeve wall clinging sealing lips.
  • the angle 6 is about between 15 and 20 degrees.
  • the middle part 4 tapers at the same angle 6.
  • the thickness 5 of the disc is 3 mm and the Diameter 3 of the middle part 4 at its end face 7 mm. Because of that Sealing disk 1 is symmetrically shaped, it is not necessary to install under a certain direction, which facilitates the assembly of the cartridges.
  • FIG. 2 shows a cup plug 10 according to the invention in longitudinal section.
  • the Diameter 11 is tuned to the caliber and the total height 12, in present embodiment 40 mm, is divided into the height 13 of the basket 14th for the shot, here 23 mm, the height 15 of the damping part 16, here 9.5 mm, and the Height 17 of the cup-shaped sealing member 18, here 7.5 mm, the annular wall clings to the sleeve.
  • the damping member 16 consists of two parallel arranged, thin-walled V-shaped webs 19, the ridge edges 20 itself opposite, as shown in Figure 3 can be seen.
  • the basket 14 has on its periphery evenly distributes four up to the basket bottom reaching slots 21, the in Direction of the central axis 22 run.
  • the individual wall segments act like resilient lamellae, which release the shotshell when exiting the projectile facilitate. Again, the shape of the intermediate means allows a uniform transfer of gas pressure to the shotshell and optimal Seal to the barrel.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Processing Of Solid Wastes (AREA)
  • Buffer Packaging (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Claims (9)

  1. Pièce intermédiaire entre charge et plombs dans une cartouche à plombs, caractérisée par le fait que la pièce intermédiaire (1, 10) est formée d'une matière cassante, biodégradable, qui supporte la sollicitation thermique des gaz propulsifs sans subir de destruction préjudiciable au fonctionnement et qui, entreposée dans des conditions de compostage, est intégralement biodégradable.
  2. Pièce intermédiaire selon la revendication 1, caractérisée par le fait que la pièce intermédiaire se présente sous la forme d'un disque d'étanchéité (1) en forme de H, symétrique, qui comporte une partie médiane (4) renforcée, par le fait que le diamètre (3) de la partie médiane (4) et le diamètre extérieur (2) du disque d'étanchéité (1) sont mutuellement adaptés de telle sorte que les forces de pression des gaz soient réparties régulièrement sur la charge de plombs.
  3. Pièce intermédiaire selon revendication 1 ou 2, caractérisée par le fait que le diamètre extérieur (2) du disque d'étanchéité (1) se situe dans un rapport d'environ 2,3- 2,8 à 1 avec le diamètre (3) de la surface de la pièce intermédiaire (4).
  4. Pièce intermédiaire selon revendication 2 ou 3, caractérisée par le fait que le disque d'étanchéité (1), sur ses faces supérieure et inférieure, présente des nervures (7) aménagées de manière symétrique sur son bord extérieur qui s'amincissent en direction de leur extrémité et agissent en lèvres d'étanchéité.
  5. Pièce intermédiaire selon une des revendications 2 à 4, caractérisée par le fait que la partie médiane (4) du disque d'étanchéité (1) ainsi que les nervures (7) s'amincissent avec le même angle (6), et par le fait que l'angle (6) est compris environ entre 15 et 20 degrés.
  6. Pièce intermédiaire selon revendication 1, caractérisée par le fait que la pièce intermédiaire a la forme d'un bouchon évidé (10), par le fait que les parois de la partie panier (14) contenant le plomb sont découpées en lamelles par des fentes (21) qui s'étendent jusqu'au fond de la partie panier, par le fait que l'élément amortisseur (16) est formé de deux cloisons (19) à paroi fine en forme de V, mutuellement parallèles, dont les sommets (20) sont disposés en vis-à-vis et par le fait que l'élément d'étanchéité (18) est conformé en auget.
  7. Pièce intermédiaire selon revendication 6, caractérisée par le fait que les parois de la partie panier (14) et de l'élément d'étanchéité (18) s'amincissent chaque fois en direction de leur bord.
  8. Pièce intermédiaire selon une des revendications 1 à 7, caractérisée par le fait que le matériau est renforcé au moyen de fibres sans danger sur le plan biologique, telles que des fibres naturelles, des fibres de carbone, des fibres de verre ou des fibres minérales.
  9. Pièce intermédiaire selon une des revendications 1 à 8, caractérisée par le fait que le matériau est une matière plastique.
EP01991765A 2000-12-01 2001-11-29 Cartouches a plombs contenant des pieces intercalaires biodegradables Expired - Lifetime EP1340039B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE10059884 2000-12-01
DE10059884 2000-12-01
DE10156315 2001-11-19
DE10156315A DE10156315A1 (de) 2000-12-01 2001-11-19 Schrotpatronen mit biologisch abbaubaren Zwischenmitteln
PCT/EP2001/013934 WO2002044644A2 (fr) 2000-12-01 2001-11-29 Cartouches a plombs contenant des pieces intercalaires biodegradables

Publications (2)

Publication Number Publication Date
EP1340039A2 EP1340039A2 (fr) 2003-09-03
EP1340039B1 true EP1340039B1 (fr) 2004-10-27

Family

ID=26007856

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01991765A Expired - Lifetime EP1340039B1 (fr) 2000-12-01 2001-11-29 Cartouches a plombs contenant des pieces intercalaires biodegradables

Country Status (6)

Country Link
US (1) US20040099172A1 (fr)
EP (1) EP1340039B1 (fr)
AT (1) ATE280939T1 (fr)
AU (1) AU2002231645A1 (fr)
ES (1) ES2230386T3 (fr)
WO (1) WO2002044644A2 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2422185B (en) * 2005-01-13 2008-06-18 Pvaxx Res & Dev Ltd A projectile cartridge, a wad for a projectile cartridge and a method of making thereof
DE102005005219B4 (de) * 2005-02-03 2006-12-21 Wilhelm Brenneke Gmbh & Co. Kg Zwischenmittel für ein Flintenlaufgeschoss oder eine Schrotladung
EP2775255A1 (fr) * 2013-03-08 2014-09-10 Plásticos Hidrosolubles, S.l. Bourre pour cartouche
WO2014201278A2 (fr) * 2013-06-14 2014-12-18 College Of William & Mary Bourre dégradable pour fusil de chasse
FR3010410B1 (fr) 2013-09-06 2016-12-23 Jerome Chiesa Composition thermoplastique biodegradable utilisable pour la fabrication de munitions de chasse
CA3056895A1 (fr) 2017-03-21 2018-09-27 College Of William & Mary Bourre biodegradable d'etancheite aux gaz pour fusil de chasse
FR3083599B1 (fr) * 2018-07-05 2020-08-14 Shoot Hunting Outdoor Bourre a godet biodegradable pour cartouche de fusil
GB201912778D0 (en) 2019-09-05 2019-10-23 Mcleod Graham Richard A wad for a shotgun cartridge

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3053185A (en) * 1959-12-03 1962-09-11 Phillips Petroleum Co Expandable wads for shotgun shells
US3469527A (en) * 1968-03-07 1969-09-30 Leland A Pace Shotgun wad
US3707915A (en) * 1970-10-19 1973-01-02 J Kerzman Wad assembly for shotgun shell
GB2172967A (en) * 1985-03-27 1986-10-01 Scient Cartridge Developments Shotgun cartridge
US4782759A (en) * 1987-06-30 1988-11-08 Hawk Walter J Dual sealed composite wad structure
DE4016826A1 (de) * 1990-05-26 1991-11-28 Karl K Mayer Schrotbecher mit zwischenmittel und schrote, fuer schrotpatronen
US5171934A (en) * 1990-12-24 1992-12-15 Larry Moore Shortened shotshell with double-cupped wadding
US5859090A (en) * 1996-01-16 1999-01-12 Federal Cartridge Company Injection-modulable, polycaprolactone-based, biodegradable plastic articles such as shotshell components, and method of manufacturing same

Also Published As

Publication number Publication date
WO2002044644A2 (fr) 2002-06-06
AU2002231645A1 (en) 2002-06-11
WO2002044644A3 (fr) 2002-08-22
US20040099172A1 (en) 2004-05-27
ATE280939T1 (de) 2004-11-15
EP1340039A2 (fr) 2003-09-03
ES2230386T3 (es) 2005-05-01

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