US331511A - Wilhelm lorenz - Google Patents

Wilhelm lorenz Download PDF

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US331511A
US331511A US331511DA US331511A US 331511 A US331511 A US 331511A US 331511D A US331511D A US 331511DA US 331511 A US331511 A US 331511A
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cartridge
base
case
ofthe
cap
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42BEXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B5/00Cartridge ammunition, e.g. separately-loaded propellant charges
    • F42B5/02Cartridges, i.e. cases with charge and missile

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  • Figure 1 in the drawings is a. section o1 the improved cartridge;Fig. 1,a detail section of thewad end. Fig.1isasectionshowingaslight modification ofthe base ofthe cartridge. Figs. 1*?,1d are further detail sections of modifications;
  • the said metal cartridges are eomposed'of two parts, a case, a, and a base-piece, b, aliixed as represented in Figs. 1 to 1d; These parts comprise a base, b, having an outer annular lip, dii', and an inner annular lip, o, the space between these lips being curved, as shown, and adapted to receive the edge ⁇ of the body or case,.which is the other part.
  • the base has a projecting iange, @,which assistsin extract ing the shell after firing.
  • Figs. 1c a'nd 1d the base-piece is arranged in the interior of the cartridgeease, an arrangement in which the lip d* cannot so well effect the gastight closing of the cartridge.
  • the ring-formed nosef serves for connecting the bent border of the case with the base. This is also eiiected by pressing the latter lagainst the cartridge-case.
  • the wad i? of these cartridges is made of cork or other elastic materiahwith a wrapper, p, of felt or other suitable stuff saturated with grease, thereby the advantage is obtained that the greased wad moving through the barrel cleans and greases theinteriorof the barrel at every shot.
  • the cartridge-cases a may be made of a solid and fire-resisting metal alloy or of tough steel. They should be made of rather thick sheets, so that the cartridges employed for exercise
  • the base-rim of flange e serves as a and Which,when worked in suitable thin sheets r to cartridge cases, will be destroyed and thrown out of the barrel at firing. In the latter case the closing tight the back of the cannoncharnber will be eected by the cartridgebase b or base-lip d, preferably made of steel.
  • the construction ofthe cartridge,or rather the cartridge-case,a, as represented in Fig. l, is most suitable.
  • the Imetal cartridge is providedwith the common anvil or the cavity e', as abovedescribed, with one or more touch-holes, e, in which cavity the percussion-cap f (in this case provided with rim-fire) is placed;
  • This cap has a coniform-base, ⁇ j, projecting inward, of

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  • General Engineering & Computer Science (AREA)
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Description

' and Fig. `1'\,`an enlarged section of the priming -have invented certain4 new and useful Imc being afterward by hard pressure edged over Ntra Artnr trice.
WILHELM LORENZ, OF GARLSR-UIIE, B.:\DEN,'GERMANY.
CARTRIDGE.
SPECIFICATION forming part of Letters Patent No. 331,511, datedpecember 1, 1885.
Application filed November 3,1883. Serial No. 110,740. (No model.) Patented in Germany June 23, 1883, No 26,549; in France August 6, 1883, No.156,898,- in Belgium October 13, 1883, No. 02,886; in England October 13, 1883, No. 4,872; in Italy October 13, 1883, No. 15,995; in Sweden December 13, 1883; in Austria-Hungary December 20, 1883, No. 33/2,533; in Denmark January 25, 1884, No. 2,274; in Spain March 29, 1884, No. 5,345, and in Norway September 23, 1884.
T 0 all whom, it may concern:
Beit known that I, WILHELM LORENZ, a subject of the Emperor of Germany, and re` siding at Oarlsruhe, Grand Duchy of Baden,
provements in Cartridges, of which the following-is a specification, the same being pat ented'to me in Germany, No. 26,519, June 23, 1883; Belgium, No. 62,886, October 13, 1883; Great Britain, No. 4,872, October 13,1883; Italy, No. 15,995, October 13, 1883, Sweden, December 13, 1883; Austria-Hungary, December 20, 1883; Denmark, No. 2,274, January 25,1881L, Spain, No. 5,345, March 29,1881, Norway, September 23,1881, and France, No, 156,898, August G, 1883.
Figure 1 in the drawings is a. section o1 the improved cartridge;Fig. 1,a detail section of thewad end. Fig.1isasectionshowingaslight modification ofthe base ofthe cartridge. Figs. 1*?,1d are further detail sections of modifications;
apparatus.
The said metal cartridges are eomposed'of two parts, a case, a, and a base-piece, b, aliixed as represented in Figs. 1 to 1d; These parts comprise a base, b, having an outer annular lip, dii', and an inner annular lip, o, the space between these lips being curved, as shown, and adapted to receive the edge `of the body or case,.which is the other part. The base has a projecting iange, @,which assistsin extract ing the shell after firing. The connection of these parts and their forms are so chosen that self-acting packing is secured by pressing the cartridgecase against the base-piece, and a pressing of both these parts, but chiefly of the lip dagainst the gurrchamber. The construction shows, nevertheless, means for an easy and quick extraction of the cartridge after firing. 'The form of the cartridge permits an easy introduction ofthe sameinto the chamber. The drawings, Figs. 1 to 1d, show several connections of ease a with base b appropriate to the said requirements. In Fig. 1 the case is introduced into the interior ofthe base-piece and a little bent inward, the ring-formed nose this bent part of the eartridgecase. Thus the gas-tight closing at this place is made quite secure, and will make superfluous any other joint by soldering, &c. Upon this the baselip d* is pressed closely to the sides of the cartridgecase. At the explosion ofthe powder the' gases will press these joints yet more closely y with the modification that the bending of the case into the border vof the cartridge base is made outward; but the making of both parts, their assembling together, and joining tightly are the same as above described.
In Figs. 1c a'nd 1d the base-piece is arranged in the interior of the cartridgeease, an arrangement in which the lip d* cannot so well effect the gastight closing of the cartridge. In this modification the ring-formed nosef serves for connecting the bent border of the case with the base. This is also eiiected by pressing the latter lagainst the cartridge-case.
All these forms of metal cartridges after being filled with gunpowder, and having received a wad, l?, are closed at the mouth 'of the case at a by a cap, m, Fig. 1, or m, Fig. 1, which may be of thinfmetal tightly soldered to the cartridge-case a. The cap-recess e in the base ofthe cartridge'is perfectly well closed by the percussion cap, so no humidity can reach the gur'ipowder.
The wad i? of these cartridges is made of cork or other elastic materiahwith a wrapper, p, of felt or other suitable stuff saturated with grease, thereby the advantage is obtained that the greased wad moving through the barrel cleans and greases theinteriorof the barrel at every shot. A
The cartridge-cases a may be made of a solid and fire-resisting metal alloy or of tough steel. They should be made of rather thick sheets, so that the cartridges employed for exercise The base-rim of flange e serves as a and Which,when worked in suitable thin sheets r to cartridge cases, will be destroyed and thrown out of the barrel at firing. In the latter case the closing tight the back of the cannoncharnber will be eected by the cartridgebase b or base-lip d, preferably made of steel. In this oase the construction ofthe cartridge,or rather the cartridge-case,a, as represented in Fig. l, is most suitable.
The interior surfaces of these cartridges are carefully tinned or covered with any other suitable material preventing the decomposition ofthe gunpowder in the charged cartridges during lon'g storage,a decomposition otherwise inevitable by the presence of electric currents formed by the direct contact of the metal with `the gunpowder.`
The Imetal cartridge is providedwith the common anvil or the cavity e', as abovedescribed, with one or more touch-holes, e, in which cavity the percussion-cap f (in this case provided with rim-fire) is placed; This cap has a coniform-base,^j, projecting inward, of
Vwhich one side stands perpendicular to the direction of the explosion-bolt. The fulminate matter`A is placed in the ringh, formed by the Vabove-described conical base j and the bent-up rim of the cap. Thus the explosion-bolt Will strike perpendicularly one point in the ring of detonating matter, and the ignition will be insured. The ring jof the percussion -cap presses against a corresponding conical excavation, h,of the metal cartridge, forming thus a ring-shaped anvil.
I am aware that annular grooves have been formed in the base of a cartridge to receive the end of the cylinder, thebase being s'waged down at thejoint thus made by a mandrel.
I provide that the act of forcing the cylinder and base together shall sufliciently pack thiijoint for all necessary purposes of handling,
8vo., and that the explosion shall force the joint closer.
What I claim ism l. In a cartridge, the combination of the base b, having -annular' inclined groove, and lips c (1*,01 different lengths,\vith the cylinder a, the said cylinder and base being packed by the actfof forcing them into proper contact,as set forth.
2. In a cartridge substantially as described, the combination ofthe cylinder a with the wad Il,of cork or similar ex'ible materiahaud the ,irnperforate expandingfcnp m,a rranged between. the Wad and the pivtil, 21S Set forth- 3, The combination, 'with the cylinder and projectileof the Wad Pvrapped or otherwise provided with an oiled covering, p, and the concavo-'convex cap m, arranged between the wad and projectile. as and for the purposes set forth.
In testimony whereof I have hereunto' set my hand, at Berlin, this 24th day of August, 1883, in the presenceof two subscribing witnesses.
WILHELM LORENZ.
'Y Witnesses:
B. ROI, C. GRONERT.
US331511D Wilhelm lorenz Expired - Lifetime US331511A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4803927A (en) * 1986-02-03 1989-02-14 Aerojet-General Corporation Ammunition round and method of manufacture thereof
US4846069A (en) * 1988-02-10 1989-07-11 Honeywell Inc. Cased telescoped ammunition having features augmenting cartridge case end cap retention and retraction
US4907510A (en) * 1988-02-10 1990-03-13 Honeywell Inc. Cased telescoped ammunition having features augmenting cartridge case dimensional recovery by center sleeve
US4938145A (en) * 1988-02-10 1990-07-03 Honeywell Inc. Cased telescoped ammunition having features augmenting cartridge case dimensional recovery by case skin tube

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4803927A (en) * 1986-02-03 1989-02-14 Aerojet-General Corporation Ammunition round and method of manufacture thereof
US4846069A (en) * 1988-02-10 1989-07-11 Honeywell Inc. Cased telescoped ammunition having features augmenting cartridge case end cap retention and retraction
US4907510A (en) * 1988-02-10 1990-03-13 Honeywell Inc. Cased telescoped ammunition having features augmenting cartridge case dimensional recovery by center sleeve
US4938145A (en) * 1988-02-10 1990-07-03 Honeywell Inc. Cased telescoped ammunition having features augmenting cartridge case dimensional recovery by case skin tube

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