EP0555107A2 - Cartouche de chasse avec traceur - Google Patents

Cartouche de chasse avec traceur Download PDF

Info

Publication number
EP0555107A2
EP0555107A2 EP93302222A EP93302222A EP0555107A2 EP 0555107 A2 EP0555107 A2 EP 0555107A2 EP 93302222 A EP93302222 A EP 93302222A EP 93302222 A EP93302222 A EP 93302222A EP 0555107 A2 EP0555107 A2 EP 0555107A2
Authority
EP
European Patent Office
Prior art keywords
wad
cartridge
tracer element
pellets
tracer
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.)
Withdrawn
Application number
EP93302222A
Other languages
German (de)
English (en)
Other versions
EP0555107A3 (en
Inventor
John Carniel
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.)
Mainus George
Original Assignee
Mainus George
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 Mainus George filed Critical Mainus George
Publication of EP0555107A2 publication Critical patent/EP0555107A2/fr
Publication of EP0555107A3 publication Critical patent/EP0555107A3/en
Withdrawn legal-status Critical Current

Links

Images

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
    • 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
    • F42B12/36—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information
    • F42B12/38—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information of tracer type

Definitions

  • This invention relates to a shotgun cartridge or shell including a tracer element.
  • the objective of the present invention is to provide a trace which indicates the flight of the shotgun pellets rather than the cartridge wad.
  • the invention relates to a shotgun cartridge wherein a tracer element seats in a shaped recess on the front surface of the main wad and is discharged with the pellets when the cartridge is fired.
  • the tracer element has an internal combustible charge and a passage extends rearwardly from this charge through the wad to communicate with the propellant at the rear of the cartridge.
  • the propellant ignites the internal charge of the tracer element which provides the visible trace.
  • the present invention specifically envisages the features (2) above being used independently of the features (1).
  • the cartridge of the invention comprises a cylindrical casing 1 usually of plastics with a metal base 2 crimped onto it.
  • a percussion cap is positioned centrally of the base.
  • a charge of pellets 3 is contained at the front of the cartridge by a closure 4 and a wad 5 separates these pellets from a charge 6 of explosive propellant.
  • a tracer element 7 seats in the front of the wad. The wad 5 and tracer element 7 are particular to the invention.
  • the tracer element 7 is of truncated pear-drop shape, rather similar to an electric lamp bulb, having an aerodynamic body part 8 and a short rearwardly extending neck 9 to seat in the wad in a manner to be described.
  • a short wide passage 10 with a tapered front end extends concentrically forward from the rear and terminates at a position short of geometric centre of the body 8, thereby ensuring a forward centre of gravity.
  • Passage 10 contains an igniter charge, typically a mixture comprising a major part (85% typically) of barium peroxide, a minor part (typically 12%) of magnesium, a colour imparting substance e.g. strontium nitrate, and a binder, sulphur being rigorously excluded.
  • this mixture is in the pyrotechnics art.
  • the passage is made as wide as possible to reduce the propulsive effect of the burning igniter charge which effect tends to throw the tracer element off course.
  • the tracer element is typically formed of aluminium but other metals may be used to be compatible with different types of shot.
  • the centre of gravity of the tracer element is forward of geometric centre which again assists the element in flying true.
  • the wad 5 is of the piston-type and comprises a front cylindrical portion 11 to receive the pellets 3, a rear portion 12 to fit and slide within the barrel and to receive the propellant explosive charge.
  • the portion 11 is made up of a plurality four, six or preferably eight separate parts or petals 11a.
  • the front and rear portions are interconnected by a stem 13 with strengthening vanes 13a.
  • a fitted seating for the tracer element 7 comprises an upstanding rim 14 surrounding a frusto-conical socket 15 with a cylindrical base 15a to receive tail 9.
  • a passage 16 extends from 15a to the propellant charge.
  • the space 18 surrounding the rim 14 receives pellets and is bounded by an inclined shoulder 19 so that on firing a radially inward force is developed by the pellets which force compresses the rim inwardly to squeeze the tracer element forwardly and expel it. This inward compression is allowed by the plastics from which the wad is formed.
  • This plastics material typically a Low Density Polyethylene resiliently deforms to absorb the energy of collisions between the shot and the tracer element which might otherwise affect the true flight of the element.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Developing Agents For Electrophotography (AREA)
EP19930302222 1992-01-07 1993-01-06 Shotgun cartridge shell with tracer Withdrawn EP0555107A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9200243 1992-01-07
GB929200243A GB9200243D0 (en) 1992-01-07 1992-01-07 Shotgun cartridge with tracer

Publications (2)

Publication Number Publication Date
EP0555107A2 true EP0555107A2 (fr) 1993-08-11
EP0555107A3 EP0555107A3 (en) 1993-09-15

Family

ID=10708211

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19930302222 Withdrawn EP0555107A3 (en) 1992-01-07 1993-01-06 Shotgun cartridge shell with tracer

Country Status (2)

Country Link
EP (1) EP0555107A3 (fr)
GB (1) GB9200243D0 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7171904B2 (en) * 2000-06-09 2007-02-06 Diller E Wendell Shotgun shell flight path indicator
US7174833B2 (en) * 2000-06-09 2007-02-13 Diller E Wendell Shotgun shell flight path indicator
US7228801B2 (en) * 2003-09-05 2007-06-12 James Alfred Dunnam Ballistic tracer platform for shotgun ammunition
US7908972B2 (en) * 2002-10-21 2011-03-22 Michael Brunn Flare-bang projectile

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3262390A (en) * 1964-05-29 1966-07-26 Olin Mathieson Tracer shotshell
US3750579A (en) * 1971-09-09 1973-08-07 L Bellington Shotgun shell wad
US4841866A (en) * 1989-02-02 1989-06-27 Miesner Delbert W Tracer shotgun shell
WO1992018827A1 (fr) * 1991-04-18 1992-10-29 Ace Trace Cartridges Limited Perfectionnements apportes aux cartouches traçantes

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3262390A (en) * 1964-05-29 1966-07-26 Olin Mathieson Tracer shotshell
US3750579A (en) * 1971-09-09 1973-08-07 L Bellington Shotgun shell wad
US4841866A (en) * 1989-02-02 1989-06-27 Miesner Delbert W Tracer shotgun shell
WO1992018827A1 (fr) * 1991-04-18 1992-10-29 Ace Trace Cartridges Limited Perfectionnements apportes aux cartouches traçantes

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7171904B2 (en) * 2000-06-09 2007-02-06 Diller E Wendell Shotgun shell flight path indicator
US7174833B2 (en) * 2000-06-09 2007-02-13 Diller E Wendell Shotgun shell flight path indicator
US7908972B2 (en) * 2002-10-21 2011-03-22 Michael Brunn Flare-bang projectile
US7228801B2 (en) * 2003-09-05 2007-06-12 James Alfred Dunnam Ballistic tracer platform for shotgun ammunition

Also Published As

Publication number Publication date
GB9200243D0 (en) 1992-02-26
EP0555107A3 (en) 1993-09-15

Similar Documents

Publication Publication Date Title
US3848532A (en) Projectile and cartridge arrangement
US7819065B2 (en) Cartridge practice round
US7004074B2 (en) Controlled fluid energy delivery burst cartridge
US4142467A (en) Projectile with sabot
US9982977B2 (en) Payload delivery system with forward folding stabilizer for cartridges
US3877383A (en) Munition
US5375529A (en) Prefragmenting munitions
US7331293B2 (en) Marker projectile
EP2422162B1 (fr) Fusée leurre à nez lesté à dommage par corps étranger (fod) faible
US4080900A (en) Projectile
KR20040018192A (ko) 납 부착된 송탄통 슬러그
US6257146B1 (en) Noise making projectile
US5691501A (en) Long-range nonlethal bullet
US6782829B1 (en) Non-lethal cargo projectile
US4694755A (en) Shell for firing practice
US4841866A (en) Tracer shotgun shell
US4686904A (en) Shell having pyramid shaped shot
US5804759A (en) Hunting bullet having a telescoping flechette and comprising a sub-projectile connected to a launcher
US3724378A (en) Shot concentrator
US5148750A (en) Unitary projectile
US3724376A (en) Expendable case shotshell
US4729321A (en) Shell having pyramid shaped shot
EP0120215B1 (fr) Munition pour mortier
US4833993A (en) Army mortar shell
EP0555107A2 (fr) Cartouche de chasse avec traceur

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

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

17P Request for examination filed

Effective date: 19940315

17Q First examination report despatched

Effective date: 19950802

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19950801