US743242A - Gun-cartridge. - Google Patents
Gun-cartridge. Download PDFInfo
- Publication number
- US743242A US743242A US15486503A US1903154865A US743242A US 743242 A US743242 A US 743242A US 15486503 A US15486503 A US 15486503A US 1903154865 A US1903154865 A US 1903154865A US 743242 A US743242 A US 743242A
- Authority
- US
- United States
- Prior art keywords
- cartridge
- shell
- gun
- base
- explosive
- 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
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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 object of my invention is to so construct the base-block of a cartridge-shell as to provide in a more effective manner than before for the gradual increase in the rate 0f combustion of the explosive charge at the beginning of said period of combustion.
- Figure l isa sectional View, on an enltrged scale, of a cartridge-shell constrncteC- in aocordance withmy invention; and Fig. 2 is a similar view illustrating another form of my improved cartridge-shell.
- l represents the casing of the shell, and 2 the base-block at the breech of the same, this base-block having the usual recess 3 for the reception of the primer.
- the inner face of the breech-block presents a succession of steps 4, leading from the dame-opening to the shell 1, so as to provide at the base of the charged shell a mass of powder which gradually increases in bulk'from the flame-opening onward, thereby causing a gradually-inof power when the combustion of the charge begins;
- substantially the same eect is obtained by coiling a tapered strip of the material constituting the baseblock so as to provide a spiral seat instead of the succession of parallel steps.
- a cartridge-shell having a base consist.- ing,r of a series of steps'forming a substantially conical powder-chamber, substantially as specified.
- a cartridge-shell having a base presenting a continuous spiral ledge which surrounds asubstantially conical powder-chamber, substantiallyas specified.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Description
PATENTBD NOV.l 3, 1903.
,Wi C. BUSH.
GUN CARTRIDGE.
APPLICATION FILED APB. 29. 1903.
No MODEL.
creasing development UNITED STATES Patented November 3, 1903.
' ArnNr rrrcn.
GUN-CARTINE)(E.
SPECIFICATION forming part of Letters Patent No. 743,242, dated November 3, 1903.
Application llled April 29, 1903. Serial No. 154,865.
(No model.)
To @ZZ whom t may oon/eerie:
Beit known that I, WILLIAM C. BUSH, a citizen ofthe United States,residing in Wilmington, Delaware, have invented certain Improvements in Gun-Cartridges, of which the following is a specification.
The object of my invention is to so construct the base-block of a cartridge-shell as to provide in a more effective manner than before for the gradual increase in the rate 0f combustion of the explosive charge at the beginning of said period of combustion. This object I attain in the manner hereinafter set forth, reference being had to the accompanying drawings, in whicl1.
Figure l isa sectional View, on an enltrged scale, of a cartridge-shell constrncteC- in aocordance withmy invention; and Fig. 2 is a similar view illustrating another form of my improved cartridge-shell.
l represents the casing of the shell, and 2 the base-block at the breech of the same, this base-block having the usual recess 3 for the reception of the primer. The inner face of the breech-block presents a succession of steps 4, leading from the dame-opening to the shell 1, so as to provide at the base of the charged shell a mass of powder which gradually increases in bulk'from the flame-opening onward, thereby causing a gradually-inof power when the combustion of the charge begins; In the cartridge shown'in Fig. 2 substantially the same eect is obtained by coiling a tapered strip of the material constituting the baseblock so as to provide a spiral seat instead of the succession of parallel steps.
I am aware that it has been proposed to provide acartridge with a base-block having aconical opening therein; but in such case the packing of the explosive into the shell causes a lateral forcing togetherof the particles contained in said conical opening, and this compacting of the explosive causes a more rapid combustion of the same and substantially neutralizes the effect of the cone in 'producing a gradually-increasing rate of combustion due to the gradually-increasing bulk of the explosive. My improved baseblock, however, while providingl a substantially conical powder-chamber, presents a succession of shelves which are substantially at right angles to the axial line of the cartridge. Hence there is no wedge-like action, such as that of a straight-sided cone, and the compacting' of the particlesof explosive at the base of the shell is prevented.
Having thus described my invention, I claim as new and desire to secure by Letters Patent- 1. A cartridge-shell having a base consist.- ing,r of a series of steps'forming a substantially conical powder-chamber, substantially as specified.
2.' A cartridge-shell having a base presentinga continuous spiral ledge which surrounds asubstantially conical powder-chamber, substantiallyas specified.
In testimony whereof I have signed my name to this specification in thc presence of two subscribing witnesses.
WILLIAM C. BUSH.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15486503A US743242A (en) | 1903-04-29 | 1903-04-29 | Gun-cartridge. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15486503A US743242A (en) | 1903-04-29 | 1903-04-29 | Gun-cartridge. |
Publications (1)
Publication Number | Publication Date |
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US743242A true US743242A (en) | 1903-11-03 |
Family
ID=2811739
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15486503A Expired - Lifetime US743242A (en) | 1903-04-29 | 1903-04-29 | Gun-cartridge. |
Country Status (1)
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US (1) | US743242A (en) |
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US10704880B1 (en) * | 2019-02-14 | 2020-07-07 | True Velocity Ip Holdings, Llc | Polymer ammunition and cartridge having a convex primer insert |
US10704879B1 (en) * | 2019-02-14 | 2020-07-07 | True Velocity Ip Holdings, Llc | Polymer ammunition and cartridge having a convex primer insert |
US10704872B1 (en) * | 2019-02-14 | 2020-07-07 | True Velocity Ip Holdings, Llc | Polymer ammunition and cartridge having a convex primer insert |
USD891567S1 (en) | 2019-03-12 | 2020-07-28 | True Velocity Ip Holdings, Llc | Ammunition cartridge nose having an angled shoulder |
USD891570S1 (en) | 2019-03-12 | 2020-07-28 | True Velocity Ip Holdings, Llc | Ammunition cartridge nose |
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USD891569S1 (en) | 2019-03-12 | 2020-07-28 | True Velocity Ip Holdings, Llc | Ammunition cartridge nose having an angled shoulder |
US10731957B1 (en) * | 2019-02-14 | 2020-08-04 | True Velocity Ip Holdings, Llc | Polymer ammunition and cartridge having a convex primer insert |
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USD893667S1 (en) | 2019-03-11 | 2020-08-18 | True Velocity Ip Holdings, Llc | Ammunition cartridge nose having an angled shoulder |
USD893665S1 (en) | 2019-03-11 | 2020-08-18 | True Velocity Ip Holdings, Llc | Ammunition cartridge nose having an angled shoulder |
USD894320S1 (en) | 2019-03-21 | 2020-08-25 | True Velocity Ip Holdings, Llc | Ammunition Cartridge |
US10845169B2 (en) | 2010-11-10 | 2020-11-24 | True Velocity Ip Holdings, Llc | Polymer cartridge having a primer insert with a primer pocket groove |
US10852108B2 (en) | 2017-11-09 | 2020-12-01 | True Velocity Ip Holdings, Llc | Multi-piece polymer ammunition cartridge |
US10921106B2 (en) * | 2019-02-14 | 2021-02-16 | True Velocity Ip Holdings, Llc | Polymer ammunition and cartridge having a convex primer insert |
US10948275B2 (en) | 2016-03-09 | 2021-03-16 | True Velocity Ip Holdings, Llc | Polymer ammunition cartridge having a three-piece primer insert |
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US11118882B2 (en) | 2010-11-10 | 2021-09-14 | True Velocity Ip Holdings, Llc | Method of making a polymeric subsonic ammunition cartridge |
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US11448488B2 (en) | 2017-08-08 | 2022-09-20 | True Velocity Ip Holdings, Llc | Metal injection molded ammunition cartridge |
US11543218B2 (en) | 2019-07-16 | 2023-01-03 | True Velocity Ip Holdings, Llc | Polymer ammunition having an alignment aid, cartridge and method of making the same |
US11614314B2 (en) | 2018-07-06 | 2023-03-28 | True Velocity Ip Holdings, Llc | Three-piece primer insert for polymer ammunition |
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-
1903
- 1903-04-29 US US15486503A patent/US743242A/en not_active Expired - Lifetime
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