US2353934A - Cartridge - Google Patents

Cartridge Download PDF

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Publication number
US2353934A
US2353934A US370570A US37057040A US2353934A US 2353934 A US2353934 A US 2353934A US 370570 A US370570 A US 370570A US 37057040 A US37057040 A US 37057040A US 2353934 A US2353934 A US 2353934A
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US
United States
Prior art keywords
cartridge
explosive
shell
powder
container
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
US370570A
Inventor
Schreib Joseph
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.)
FREDERICK WILLIAM NAGLER
JOHN G ONNEN
Original Assignee
FREDERICK WILLIAM NAGLER
JOHN G ONNEN
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 FREDERICK WILLIAM NAGLER, JOHN G ONNEN filed Critical FREDERICK WILLIAM NAGLER
Priority to US370570A priority Critical patent/US2353934A/en
Application granted granted Critical
Publication of US2353934A publication Critical patent/US2353934A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • F42B5/16Cartridges, i.e. cases with charge and missile characterised by composition or physical dimensions or form of propellant charge, with or without projectile, or powder

Definitions

  • This invention refers to munitions and more particularly to cartridges, and has among its objectss to provide a device of this kind that will have its powder or explosive protected against the ingress of moisture; that will lessen the deteriorating effects customary to same, which will be easier to handle during assembly and filling; that may be applied as a coating to the interior of the shell, and, which will provide a means for preventing the frictional movement of the powder or explosive in the shell.
  • Another object is to provide an arrangement that will permit the introduction and use of several types of ingredients in the shell without danger of their unauthorized intermixture.
  • Another object is to provide against moisture contacting the explosive or ignition medium in mines, torpedoes, dynamite caps'etc.
  • the cartridge In its conventional form the cartridge is filled with loose powder between the portion and the bullet. If the cartridge is left stored for a considerable period, its powder or explosive ingredients become moisture affected through condensation and deteriorate and the containing shell to corrode to an extent that materially affects its operation.
  • the cartridge shell is of the conventional form, but its powder or explosive is wrapped in a container of Cellophane or the like to keep it waterproof before insertion as a package therein, and away from direct contact with the wall of the shell. This protects the explosive, keeps it from adhering to the shell wall and corroding.
  • the powder does not pack hard; does not become moist even if the cartridge is covered with water, and the cartridge is ready at all times to work efilciently and effectively.
  • the material such as Cellophane also acts as a lubricant to the explosive gases, and as a barrier retardant to the burning or melting of the shell during firing. It preserves the form of the powder and allows sufficient displacementof the particles to prevent their sticking to one another and yet not enough to allow frictional movements.
  • Other incidental advantages are obtainable due to the adaptability of the material to the many and varied conditions which cartridges or the like are made or used.
  • FIG. 1 is a sectional view through a cartridge embodying this invention
  • Figure 2 is a detail of the powder containing package used in the cartridge
  • Figure 3 indicates a modified form of explosive container.
  • I represents the conventional metal shell used in a cartridge.
  • the firing cap is shown at 2,in the rear of the shell,while the bullet 3 is inserted in the front.
  • the powder or explosive mixture 4 is contained in a Cellophane bag 5 with its mouth portion wrapped, closed and stuck together.
  • the container is a simple bag, but in the modified form can be shaped into a corrugated shape and in plural form as indicated in Figure 3.
  • the container is held between the bullet 8 and the firing cap portion 2.
  • the operation of the cartridge follows the conventional method.
  • the cap is struck, explodes and sets fire to the explosive mixture as 'it pierces the Cellophane bag and causes it to burn explosively and propel the bullet out of the shell.
  • the container being l0 overlapped on itself to increase its thickness and render it more obstructive to entrance, of moisture through that portion of the container, said container having its walls formed with longitudinal ribs adapted to keep the container wall in after portion and with a central oriflcethereinv is general spaced from the inside wall surface of for the preliminary explosion to flow the explosive gases thereof into the central area of the after portion towards the forward end of-the said casing, a bullet having grooves peripherallv'arranged portion for the casing wall to grip in for holding same, the rear end portion of the bullet facing the said after portion being.
  • ribs being relatively small and extending up and down the container wall I for a greater proportion of its length, so as to facilitate-the combustion of a the material in the 20 casing and the passage of gases between the ribs,

Description

July 18, 1944. J. SCHREIB CARTRIDGE Filed Dec. 18, 1940 JbSEPH SCHEE/B atented July 18, 1944 2,353,934 can'rnmon Joseph Schreib, Baltimore, one-third thirty-three and Md, 'assignor 'of per cent to John G.
Onnen and thirty-three and one-third per cent to Frederick William Nagler,
both of Baltimore,
Application December 18,1940, Serial n 310,570
1 Claim.
This invention refers to munitions and more particularly to cartridges, and has among its obiects to provide a device of this kind that will have its powder or explosive protected against the ingress of moisture; that will lessen the deteriorating effects customary to same, which will be easier to handle during assembly and filling; that may be applied as a coating to the interior of the shell, and, which will provide a means for preventing the frictional movement of the powder or explosive in the shell. Another object is to provide an arrangement that will permit the introduction and use of several types of ingredients in the shell without danger of their unauthorized intermixture. Another object is to provide against moisture contacting the explosive or ignition medium in mines, torpedoes, dynamite caps'etc.
Other objects will be come apparent as the invention is more fully described.
In its conventional form the cartridge is filled with loose powder between the portion and the bullet. If the cartridge is left stored for a considerable period, its powder or explosive ingredients become moisture affected through condensation and deteriorate and the containing shell to corrode to an extent that materially affects its operation. In this invention the cartridge shell is of the conventional form, but its powder or explosive is wrapped in a container of Cellophane or the like to keep it waterproof before insertion as a package therein, and away from direct contact with the wall of the shell. This protects the explosive, keeps it from adhering to the shell wall and corroding. The powder does not pack hard; does not become moist even if the cartridge is covered with water, and the cartridge is ready at all times to work efilciently and effectively.
There are also advantages in the use of this method of packaging powder, which will enable the filling of the shell to be done more accurately and with speedier results. The material, such as Cellophane also acts as a lubricant to the explosive gases, and as a barrier retardant to the burning or melting of the shell during firing. It preserves the form of the powder and allows sufficient displacementof the particles to prevent their sticking to one another and yet not enough to allow frictional movements. Other incidental advantages are obtainable due to the adaptability of the material to the many and varied conditions which cartridges or the like are made or used.
In the drawing which illustrates an example of this invention:
Figure 1 is a sectional view through a cartridge embodying this invention;
Figure 2 is a detail of the powder containing package used in the cartridge;
Figure 3 indicates a modified form of explosive container.
Similar reference characters refer to similar parts throughout the drawing.
In the drawing, I represents the conventional metal shell used in a cartridge. The firing cap is shown at 2,in the rear of the shell,while the bullet 3 is inserted in the front. The powder or explosive mixture 4 is contained in a Cellophane bag 5 with its mouth portion wrapped, closed and stuck together. In its simplest form, the container is a simple bag, but in the modified form can be shaped into a corrugated shape and in plural form as indicated in Figure 3.
The container is held between the bullet 8 and the firing cap portion 2. The operation of the cartridge follows the conventional method. The cap is struck, explodes and sets fire to the explosive mixture as 'it pierces the Cellophane bag and causes it to burn explosively and propel the bullet out of the shell.
The same arrangement may'be used for cartridges of dynamite and the like that do not have bullets in them. The use of Cellophane has been specially advantageous because its combustible qualities enable it to burn uniformly and slowly in a regular straight line manner with relatively little ash. It is waterproof and tough and will withstand considerable hard treatment. Its fiexibility enables it to adapt itself to particular shapes and forms without tendency to tearing, yet with limits that allow the shapes to become reasonably permanent and form resilient edges to take up shocks against the projections developed by the shapes. This feature enables the mouth of the package to be closed tightly when twisted or bent over. The transparency of the substance affords a means for checking up on the contents by superficial observation. Other materials of similar qualities could be used in place of the specific Cellophane, but the latter is preferable under existing circumstances because it is of such common commercial availability at a moderate cost, and for that reason this specific material is mentioned.
while the forms of the invention indicated in the drawing and described in the specifications are limited in number, it is not desired to limit this application for patent to such forms or in any other way, otherwise than limited by the information aflorded, as it is appreciated that explosive charge ing when fired in other forms be constructed that would use I the same principles and conie within the scope of the appended cl-aim.
hold a bulletin its forward end portion and have capacity foran explosive charge in the after portion and acap attached at the back thereof, an fitted into the cap for setting ofr va preliminary explosion in the cartridge casa gun,- said cap having; a flat surface area forming the rear wall surface of the I ing out of the forward end when the preliminar;
explosion is set off and lights same, a container of waterproof and combustible Cellophane material formed to flt closely in the cartridge with the rear end wall flat against the flat surfaceof the cap aforesaid and its front portion against. the rear end of the bullet arranged flat soas to allow an open space between it and the concave surface aforesaid, the front portion oi. the container being l0 overlapped on itself to increase its thickness and render it more obstructive to entrance, of moisture through that portion of the container, said container having its walls formed with longitudinal ribs adapted to keep the container wall in after portion and with a central oriflcethereinv is general spaced from the inside wall surface of for the preliminary explosion to flow the explosive gases thereof into the central area of the after portion towards the forward end of-the said casing, a bullet having grooves peripherallv'arranged portion for the casing wall to grip in for holding same, the rear end portion of the bullet facing the said after portion being. slightly concaved, a main exploding charge of explosive for propelling the bullet from the casthe' said casing, said ribs being relatively small and extending up and down the container wall I for a greater proportion of its length, so as to facilitate-the combustion of a the material in the 20 casing and the passage of gases between the ribs,
and provide a space for the main explosive charge to resiliently expand as the preliminary charge passes into same, substantially .as' described.
JOSEPHSCHREIB.
US370570A 1940-12-18 1940-12-18 Cartridge Expired - Lifetime US2353934A (en)

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US370570A US2353934A (en) 1940-12-18 1940-12-18 Cartridge

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2686936A (en) * 1950-03-08 1954-08-24 Arnold J Tuckerman Process of manufacturing linings for perforated cartridge cases
US2703529A (en) * 1947-08-29 1955-03-08 Arnold J Tuckerman Lining for perforated cartridge cases
US2865126A (en) * 1954-09-03 1958-12-23 Dardick Corp Open chamber gun
US3239583A (en) * 1946-06-08 1966-03-08 Richard G Guenter Smokeless powder manufacture
US3696748A (en) * 1969-12-29 1972-10-10 Us Army Means for improving burnout of consumable cartridge cases
US3795195A (en) * 1970-01-21 1974-03-05 J Silva Electrical initiator
US4448130A (en) * 1982-07-15 1984-05-15 General Dynamics, Pomona Division Packaging kit for pyrotechnic materials loading
US20140190341A1 (en) * 2010-12-27 2014-07-10 Paul J Rael Helical ammunition magazine

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3239583A (en) * 1946-06-08 1966-03-08 Richard G Guenter Smokeless powder manufacture
US2703529A (en) * 1947-08-29 1955-03-08 Arnold J Tuckerman Lining for perforated cartridge cases
US2686936A (en) * 1950-03-08 1954-08-24 Arnold J Tuckerman Process of manufacturing linings for perforated cartridge cases
US2865126A (en) * 1954-09-03 1958-12-23 Dardick Corp Open chamber gun
US3696748A (en) * 1969-12-29 1972-10-10 Us Army Means for improving burnout of consumable cartridge cases
US3795195A (en) * 1970-01-21 1974-03-05 J Silva Electrical initiator
US4448130A (en) * 1982-07-15 1984-05-15 General Dynamics, Pomona Division Packaging kit for pyrotechnic materials loading
US20140190341A1 (en) * 2010-12-27 2014-07-10 Paul J Rael Helical ammunition magazine
US8813630B2 (en) * 2010-12-27 2014-08-26 Paul J Rael Helical ammunition magazine

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