US1991923A - Ammunition case - Google Patents

Ammunition case Download PDF

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Publication number
US1991923A
US1991923A US691854A US69185433A US1991923A US 1991923 A US1991923 A US 1991923A US 691854 A US691854 A US 691854A US 69185433 A US69185433 A US 69185433A US 1991923 A US1991923 A US 1991923A
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US
United States
Prior art keywords
case
base
chamber
cylindrical
conoidal
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
US691854A
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English (en)
Inventor
Dhome Alfred
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Individual
Original Assignee
Individual
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 Individual filed Critical Individual
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Publication of US1991923A publication Critical patent/US1991923A/en
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
    • F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
    • F42B5/26—Cartridge cases

Definitions

  • the invention relatesto cases for all kinds of onV andconcernsV a new metal or ⁇ metal alloy,- of cylindrical form at its upper part, termi-V part by a sort ofV ogive having anaxial neckfor accomodating thecap;
  • the body o Vthe case is ccnstitutedin ⁇ the ⁇ ordinary :manner b'y, a cardboard Atube, ⁇ isnsuitably engageda minating inia ⁇ cylindrical neck in whichis en ⁇ gaged the cap.
  • ogival part is likewise calcue optimumshape for resisting It -is likewiseV calculated to.
  • Thebody and the baseiarecalculated and treated inV such a Vmanner that the base, at the place" where it f is; assembled 'with .thebody, that is to say, ⁇ at one endin the yregionA of theA end offthep'owder chamber, andai: the other end in 'i5 the region ⁇ on the cap chamber, effects a Vreal binding of itstwo regions.
  • LThe powder chamber is thus bound atboth end sgthereby. increasing its to which it issl'ibjected.Y
  • Vchamber V which forms one piece with the body of the case and is reinforced by the binding of the 35 base.
  • the cap is held perfectly, no escape of gasA is possibleV and re-capping is effected in a perfectv manner, since the cap chamber remains intact indefinitely.
  • the powder chamber has a very small diameter- 40 Y optimum result, and the volume of thepowder Y chamber is always constant, since the wad is al-Y ways stopped at the same place by the internal edandcomprised 5 shoulder provided on the case.
  • the cases thus provided may be re-charged and re-capped a considerable number of times and practically cannot be worn out.l
  • FIG.2 at .l1 4is shown a cardboard tube suitably engaged byone of its ends on the spherical or oval case 2 terminating in a neck 3 in which the cap is placed.
  • the case 2 constitutes thepowderichamber, and the cardboard tube'y will be employed exclusively to contain the charge of shot.
  • the base l ensures the intimate fitting ofthe cardboard tube 11 with the metal lcaseand ensures :perf ect gas-tightness, Furthermore,.thefhead -4 presses the tube 11 on *the case :Zat lthe places which -are snbjectedtor maximum fatigue, and thel fitting obviatespthe disadvantages; which would ⁇ result "from the variations nrliameterand thickness ofthe cardboard.
  • the .upper-:.endjof Athe chamber' formed 'bythe' case 2 maybe made thinner in order to effectits l the outer part of saidnipple.
  • .Apartridge :casing comprismga tubulargshell including.. agconoidal base partfforming thevpowder chamber :and a cylindrical extension of the ibase part 4forming thefshot schamber, fsaid base part having at its inner part a slightly :less cross-jarea .than that ofthe cylindrical extension,.said base fpartterm-inating at its .conoidal-end inran Aoutthe tube 11 is flttedih Y ⁇ cylindrical reinforcement or basel, which conwardly projecting nipplea'dapted to receiveV a primer for the cartridge, and a cylindrical reinforcing' element seated on the conoidal base part of the tubular shell with the periphery of said element flush with the periphery of the cylindrical extensionrof thershell, said reinforcing element having a headprovided with an inwardly provjecting annularflange seated on the-outer'part offsaid n
  • a cartridge casing comprising a tubular shell including a conoidal base part forming the powder chamber and a cylindrical extension of the base part forming the shot chamber, said base ,part terminating at its conoidal end in an outwardly projecting nipple adapted to receive the primer Y "for the Vcartridge andsald base vpart having its conoidal wall gradually increasing in thickness from its inner edge toward its conoidal end, and a ⁇ cylindrical. reinforcing element seated on the tubular shell over the conoidal base part thereof, said-element ⁇ 'having Va head provided with an inwardlyfprojecting annular flange seated'on the oute'rpart of said nipple.
  • LVSA cartridge casing' comprising a tubular shell includinga conoidal base part forming the powder ⁇ cliainb'enand a cylindricalextension of the base part forming :the shot chamber, the tubular shell having an interior annular shoulder at theV junction of the base part with the cylindrical extension to form an abutment 4forthe wad inserted in the shell to separate the powder and ShOtchamberS; said :base-part* terminating at its conoidal end in 'an outwardly projecting nipple 'adapted to receive'a primer and theinner'part of the ybase part having slightly less cross-'area thanl that of the cylindrical extension, with the vconoidal wall'of from the annular shoulder toward its conoidal end; and a cylindrical reinforcing element seated on the casing over the conoidal base partthe'reof VwithV the periphery Aof said element flush with the v periphery of the cylindrical 'extension lof thev'casrreinforcing i

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Prostheses (AREA)
  • Buffer Packaging (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
US691854A 1932-10-08 1933-10-02 Ammunition case Expired - Lifetime US1991923A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR407882X 1932-10-08

Publications (1)

Publication Number Publication Date
US1991923A true US1991923A (en) 1935-02-19

Family

ID=8897390

Family Applications (1)

Application Number Title Priority Date Filing Date
US691854A Expired - Lifetime US1991923A (en) 1932-10-08 1933-10-02 Ammunition case

Country Status (4)

Country Link
US (1) US1991923A (enrdf_load_stackoverflow)
BE (1) BE399821A (enrdf_load_stackoverflow)
DE (1) DE596562C (enrdf_load_stackoverflow)
GB (1) GB407882A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6240850B1 (en) 1999-06-14 2001-06-05 Christopher A. Holler Bullets for use in hitting targets at short range

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE883259C (de) * 1942-11-14 1953-07-16 Haut Rhin Manufacture Machines Zweiteilige Schrotpatrone
DE1091001B (de) * 1955-09-05 1960-10-13 Baronin Ilyana Von Thyssen Bor Patronenhuelse fuer Granatwerfergeschosse

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6240850B1 (en) 1999-06-14 2001-06-05 Christopher A. Holler Bullets for use in hitting targets at short range

Also Published As

Publication number Publication date
GB407882A (en) 1934-03-29
BE399821A (enrdf_load_stackoverflow)
DE596562C (de) 1934-05-05

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