FR2388242A1 - Automatic firearm blank cartridge - has calibrated gas escape orifice and fold to allow cartridge case extension - Google Patents

Automatic firearm blank cartridge - has calibrated gas escape orifice and fold to allow cartridge case extension

Info

Publication number
FR2388242A1
FR2388242A1 FR7711646A FR7711646A FR2388242A1 FR 2388242 A1 FR2388242 A1 FR 2388242A1 FR 7711646 A FR7711646 A FR 7711646A FR 7711646 A FR7711646 A FR 7711646A FR 2388242 A1 FR2388242 A1 FR 2388242A1
Authority
FR
France
Prior art keywords
cartridge case
cartridge
fold
automatic firearm
orifice
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.)
Granted
Application number
FR7711646A
Other languages
French (fr)
Other versions
FR2388242B1 (en
Inventor
Louis Lansac
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.)
Etat Francais
Original Assignee
Etat Francais
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 Etat Francais filed Critical Etat Francais
Priority to FR7711646A priority Critical patent/FR2388242A1/en
Publication of FR2388242A1 publication Critical patent/FR2388242A1/en
Application granted granted Critical
Publication of FR2388242B1 publication Critical patent/FR2388242B1/fr
Granted legal-status Critical Current

Links

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
    • F42B8/02—Cartridges
    • F42B8/04—Blank cartridges, i.e. primed cartridges without projectile but containing an explosive or combustible powder charge

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The blank cartridge is for an automatic firearm with inertia breech. The cartridge case (1) has at the forward end a calibrated orifice (5) restricting the passage of the gases emitted on firing. The orifice allows the cartridge case to extend under the effect of the pressure wave generated inside it. The orifice can be formed in a cap (7) fitting in the reduced-dia. forward end of the cartridge case, and having a widened portion (7a) bearing against the rear end of the reduced-dia. portion. Extension of the cartridge case can be allowed for by annular fold, its distortion under gas pressure thrusting the breech rearwards.
FR7711646A 1977-04-19 1977-04-19 Automatic firearm blank cartridge - has calibrated gas escape orifice and fold to allow cartridge case extension Granted FR2388242A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7711646A FR2388242A1 (en) 1977-04-19 1977-04-19 Automatic firearm blank cartridge - has calibrated gas escape orifice and fold to allow cartridge case extension

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7711646A FR2388242A1 (en) 1977-04-19 1977-04-19 Automatic firearm blank cartridge - has calibrated gas escape orifice and fold to allow cartridge case extension

Publications (2)

Publication Number Publication Date
FR2388242A1 true FR2388242A1 (en) 1978-11-17
FR2388242B1 FR2388242B1 (en) 1980-11-07

Family

ID=9189549

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7711646A Granted FR2388242A1 (en) 1977-04-19 1977-04-19 Automatic firearm blank cartridge - has calibrated gas escape orifice and fold to allow cartridge case extension

Country Status (1)

Country Link
FR (1) FR2388242A1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2674324A1 (en) * 1991-04-02 1992-09-25 Eguizabal Echevarria Julian Projectile for simulating laser firing
EP0587992A1 (en) * 1993-05-22 1994-03-23 Carlo Alberto Toffoli Blank cartridge
US5359937A (en) * 1990-03-22 1994-11-01 Snc Industrial Technologies Inc./Les Technologies Industrielles Snc Inc. Reduced energy cartridge
US5492063A (en) * 1990-03-22 1996-02-20 Snc Industrial Technologies Inc. Reduced energy cartridge
US5677505A (en) * 1990-03-22 1997-10-14 Dittrich; William A. Reduced energy cartridge
WO2000016032A1 (en) * 1998-09-14 2000-03-23 Lambeth Properties Limited Blank cartridge for self loading guns
EP1079199A3 (en) * 1999-08-27 2001-10-31 Lambeth Properties Limited Blank training cartridge for a self loading gun

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5359937A (en) * 1990-03-22 1994-11-01 Snc Industrial Technologies Inc./Les Technologies Industrielles Snc Inc. Reduced energy cartridge
US5492063A (en) * 1990-03-22 1996-02-20 Snc Industrial Technologies Inc. Reduced energy cartridge
US5677505A (en) * 1990-03-22 1997-10-14 Dittrich; William A. Reduced energy cartridge
FR2674324A1 (en) * 1991-04-02 1992-09-25 Eguizabal Echevarria Julian Projectile for simulating laser firing
EP0587992A1 (en) * 1993-05-22 1994-03-23 Carlo Alberto Toffoli Blank cartridge
WO2000016032A1 (en) * 1998-09-14 2000-03-23 Lambeth Properties Limited Blank cartridge for self loading guns
EP1079199A3 (en) * 1999-08-27 2001-10-31 Lambeth Properties Limited Blank training cartridge for a self loading gun

Also Published As

Publication number Publication date
FR2388242B1 (en) 1980-11-07

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Legal Events

Date Code Title Description
DL Decision of the director general to leave to make available licences of right
ST Notification of lapse