US905358A - Shell. - Google Patents

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Publication number
US905358A
US905358A US34468606A US1906344686A US905358A US 905358 A US905358 A US 905358A US 34468606 A US34468606 A US 34468606A US 1906344686 A US1906344686 A US 1906344686A US 905358 A US905358 A US 905358A
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United States
Prior art keywords
cup
primer
base
shell
battery
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
US34468606A
Inventor
Gershom M Peters
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.)
PETERS CARTRIDGE Co
Original Assignee
PETERS CARTRIDGE Co
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 PETERS CARTRIDGE Co filed Critical PETERS CARTRIDGE Co
Priority to US34468606A priority Critical patent/US905358A/en
Application granted granted Critical
Publication of US905358A publication Critical patent/US905358A/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
    • F42B5/26Cartridge cases
    • F42B5/36Cartridge cases modified for housing an integral firing-cap

Definitions

  • the primer 'cup must be of a length sufficient to contain an extra amount of fulminate and an anvil capable of resisting theblow of the plunger or primer pin and the force of the explosion.
  • the whole primer must be of suflicientlength to pass through the extra, reinforced paper base, so as to introduce the flame directly into the midst of the powder.
  • This cup containing the fulminate and the anvil is placed inside an exterior cup having a flange at the outer end, to keep it suspended in the base, with a closed bottom, (except as to a small opening through which passes the flame) on which bottom rests the legs of the anvil for support, as well as the primer cup itself.
  • the whole is then thrust firmly and tightly into and through a central opening in the base of the shell, a depression being made in the exterior of the butt or base to let in the flange of the outer cup.
  • This primer is called a battery cup primer and is in constant use among the manufacturers of nitro shells for shotguns and is sufficient for all ordinary purposes.
  • the object of the present invention is to avoid these diificulties andto that end to so fasten the battery cup primer in the base of a shell, as that it cannot become loosened and driven back, and to so protect the primer cup as to avoid piercing. No change whatever is made in the construction of the ordinarybattery cup primer, except perhaps to slightly diminish the thickness of metal in the cup containing the fulminate.
  • a hood or a third cup to inclose the battery cup primer, which is flanged or flared into a rim on the outer end to correspond to the flange or flare of the battery cup for the purpose of supporting it in position, and is sufliciently long to be brought through the base of the shell and to be upset and firmly embedded in such base on the inside.
  • Figure l is an enlarged longitudinal sectional view of the shell, having the end of such shell opposite the breech or base broken away.
  • Fig. 2 is a cross sectional view on the line 22, Fig. 1.
  • Fig. 3 is an enlarged detail view. in longitudinal section of the primer hood or cover in the form in which it incloses the battery cup primer.
  • Figs. 4, 5 and 6 are enlarged detail views of parts of the primer, respectively termed battery cup primer cup or fulminate cup and anvil.
  • 1 designates a metal .cup or butt
  • 2 the paper shell.
  • 3 the interior pa er base, which are all of the ordinary forms or nitro for the insertion of the primer.
  • 1 4 is the ordinary cup usually designated as the battery cup, having a vent as at 4 and flange 4 6 is the interior cup, usually called the primer cup which contains the fulmina-te 5, and the anvil 7, the latter of the ordinary long, flat type.
  • the primer cup with fulminate end outward is then forced into the battery cup with the edges of the primer cup and legs of the anvil firmly resting on the bottom.
  • the battery cup primer as a whole, is now placed inside a third, and exterior, cup or hood 8, which, in this'stage of the operation of assembling, is a thin metallic I shell with straight sides, having an internal diameter in excess of the external diameter of the flange 4 of the battery cup and extending beyond its length.
  • the shell or hood 8 is compressed about the flange 4 and tightened about the sides of the battery cup 4.
  • it is forced as a whole through the opening in cup 1 and base ,3, the flan e of the hood, as 8*, resting within the epression provided for it in the exterior surface of the base and upon the flange of such base there formed.
  • the inner edges 8 of the hood 8 extendin through and beyond the base 3, are turne back, upset or outwardly crimped as at 8, and embedded in the paper base or in the articular form of shell shown in what is ordinarily known as the wound wadas at 3; all of which may be more definitely understood by reference to the partsillustrated in the figures of the drawing.
  • the fulminate has I over it a double covering of metal, which I will prevent piercing at that point, and that a gas-tight union is formed between the batter cup primer and the base of the shell, an the primer secured in position so that it cannot get loose nor have any opening around the sides.
  • a battery cup primer comprising a fulminate or primer cup and an inclosing battery cup being placed in said aperture, and an imperforate hood also placed within said aperture and inclosing the sides and outer end of said primer and secured tothe base of the shell.
  • a ductile metallic covering or ood inclosing the flange and sides of said primer and being firmly secured at both its internal and external extremities to the base of the shell.
  • a shell having a base provided with an opening through it and a hooded battery cup primer comprising a fulminate or primer cup and an inclosing battery cup be-'.
  • a shell having a base provided with a reinforcing wound wad with an aperture through it, and a hooded battery cup primer, the hood of which passes through such wad and has one of its edges firmly upset into such wad.
  • a shotgun shell for nitro powders having a battery cup primer compr sing a fulminate or primer cup and an inclosing battery cup, a secondary exterior covering.
  • the primer cup containing the fulminate.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Sealing Battery Cases Or Jackets (AREA)

Description

G. M. PETERS.
. SHELL.
APPLICATION FILED NOV. 23, 1906,
905358. Patented Dc. 1, 1908.
tmrr
snap s PATENT ion.
GERSHOM M. PETERS, OF CINCINNATI, OHIO, ASSIGNOR TO THE PETERS CARTRIDGE COM- PANY, OF CINCINNATI, OHIO, A CORPORATION OF OHIO.
SHELL.
Specification of Letters Patent.
Patented Dec. 1, 1.90 8.
Application filed November 28, 1906. Serial No. 344,686.
To all whom it may concern:
Be it known that I, GERSHOM M. l 'nrnns,
powders. In order to get the best effectsfrom these powders, an extra strong primer is required of a peculiar type. The primer 'cup must be of a length sufficient to contain an extra amount of fulminate and an anvil capable of resisting theblow of the plunger or primer pin and the force of the explosion. The whole primer must be of suflicientlength to pass through the extra, reinforced paper base, so as to introduce the flame directly into the midst of the powder. These requirements necessitate a primer quite different in form from that in common use for black powders, viz., a long cup and along fiat anvil cut away at the bottom to avoid resistance to the flame. This cup containing the fulminate and the anvil, is placed inside an exterior cup having a flange at the outer end, to keep it suspended in the base, with a closed bottom, (except as to a small opening through which passes the flame) on which bottom rests the legs of the anvil for support, as well as the primer cup itself. The whole is then thrust firmly and tightly into and through a central opening in the base of the shell, a depression being made in the exterior of the butt or base to let in the flange of the outer cup. This primer is called a battery cup primer and is in constant use among the manufacturers of nitro shells for shotguns and is sufficient for all ordinary purposes. But with an extra strong powder, or an extra heavy charge, or because of defects in construction, this primer is not always satisfactory, and sometimes causes serious accident or injury to the man back of the gun. The primer not infrequently is loosened by the force of the explosion of the powder and driven back and gas escapes around "the outer cup. Sometimes, also, the
center of the primer cup is pierced by the force of the plunger together with the internal force coming back against it, and gas escapes at that point, thus greatly endanger- .ing the eye of the shooter. I
The object of the present invention is to avoid these diificulties andto that end to so fasten the battery cup primer in the base of a shell, as that it cannot become loosened and driven back, and to so protect the primer cup as to avoid piercing. No change whatever is made in the construction of the ordinarybattery cup primer, except perhaps to slightly diminish the thickness of metal in the cup containing the fulminate. But with the present invention, there is provided a hood or a third cup to inclose the battery cup primer, which is flanged or flared into a rim on the outer end to correspond to the flange or flare of the battery cup for the purpose of supporting it in position, and is sufliciently long to be brought through the base of the shell and to be upset and firmly embedded in such base on the inside.
Like reference letters designate similar parts in the several figures of the drawing, in which Figure l is an enlarged longitudinal sectional view of the shell, having the end of such shell opposite the breech or base broken away. Fig. 2 is a cross sectional view on the line 22, Fig. 1. Fig. 3 is an enlarged detail view. in longitudinal section of the primer hood or cover in the form in which it incloses the battery cup primer. Figs. 4, 5 and 6 are enlarged detail views of parts of the primer, respectively termed battery cup primer cup or fulminate cup and anvil.
The particular invention may be employed with different forms of shells and shells having different kinds and different charges of powder, but there is illustrated in the drawings and will now be described a form of shel used in connection with a kind of powder to which the invention is particularly applicable and found in practice most advantageous.
Referring to the drawings to aid this description, 1 designates a metal .cup or butt, 2 the paper shell. and 3 the interior pa er base, which are all of the ordinary forms or nitro for the insertion of the primer.
1 4 is the ordinary cup usually designated as the battery cup, having a vent as at 4 and flange 4 6 is the interior cup, usually called the primer cup which contains the fulmina-te 5, and the anvil 7, the latter of the ordinary long, flat type. The primer cup with fulminate end outward, is then forced into the battery cup with the edges of the primer cup and legs of the anvil firmly resting on the bottom. The battery cup primer as a whole, is now placed inside a third, and exterior, cup or hood 8, which, in this'stage of the operation of assembling, is a thin metallic I shell with straight sides, having an internal diameter in excess of the external diameter of the flange 4 of the battery cup and extending beyond its length. Then, by any suitable method or device, the shell or hood 8 is compressed about the flange 4 and tightened about the sides of the battery cup 4. By another operation, it is forced as a whole through the opening in cup 1 and base ,3, the flan e of the hood, as 8*, resting within the epression provided for it in the exterior surface of the base and upon the flange of such base there formed. By the same operation, the inner edges 8 of the hood 8 extendin through and beyond the base 3, are turne back, upset or outwardly crimped as at 8, and embedded in the paper base or in the articular form of shell shown in what is ordinarily known as the wound wadas at 3; all of which may be more definitely understood by reference to the partsillustrated in the figures of the drawing.
It will thus be seen that the fulminate has I over it a double covering of metal, which I will prevent piercing at that point, and that a gas-tight union is formed between the batter cup primer and the base of the shell, an the primer secured in position so that it cannot get loose nor have any opening around the sides. There has now been described a specific embodiment of the invention such as is shown in the drawings, which has been found advantageous in practice,
. but it is to be understood that the details inserted with it through the base of the shell and secured in position.
'2. In a shell having an aperture through its base, a battery cup primer comprising a fulminate or primer cup and an inclosing battery cup being placed in said aperture, and an imperforate hood also placed within said aperture and inclosing the sides and outer end of said primer and secured tothe base of the shell.
3. In a shell having the usual battery cup primer provided with a flan e and sides, a ductile metallic covering or ood inclosing the flange and sides of said primer and being firmly secured at both its internal and external extremities to the base of the shell.
4. In a shell having a base provided with an opening through it and a hooded battery cup primer comprising a fulminate or primer cup and an inclosing battery cup be-'.
ing placed in such openin and a flange in said base about said opening, de ressed to receive the body and flange of said hooded battery cup primer 5. In a shell havlng a base with an aperture through it, a battery cup primer comrisin a fulminate or rimer cup, a battery P a: P
cup, and an inclosing hood with such hood placed in the aperture of the base and having one of its edges reamed outward, turned lgack and firmly compressed in the paper ase.
6. In a shell having a base provided with a reinforcing wound wad with an aperture through it, and a hooded battery cup primer, the hood of which passes through such wad and has one of its edges firmly upset into such wad.
7. In a shotgun shell for nitro powders, having a battery cup primer compr sing a fulminate or primer cup and an inclosing battery cup, a secondary exterior covering.
or hood for strengthening and protecting the base of. the primer cup containing the fulminate.
8. In a shotgun shell for nitro powders, the combination-with an exterior base containing an interior reinforcing wound wad having an opening therethrough and a hooded battery cup primer placed in such opening and secured firmly to said base and to said wad.
9. In'a shotgun shell, including a paper 3 rounding such perforation"depressed,incom- In testimony whereof I have signed my bination with a primer and a flaring hood name to this specification, in the presence of 10 inclosing the outer end and'sides of such two subscribin witnesses, on this 2d day of primer, and itself supported on the depressed November A. 1906.
edge surrounding the perforated center of G. M. PETERS. the base and having its other end crim ed or Witnesses: upset into gas-tight connection wit the; E. F. GARRETT,
wound or reinforcing wad. ED FROHLIGER.
US34468606A 1906-11-23 1906-11-23 Shell. Expired - Lifetime US905358A (en)

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DE1214578B (en) * 1963-12-06 1966-04-14 Dynamit Nobel Ag Plate-shaped anvil for an ignition capsule
US20100258023A1 (en) * 2006-05-24 2010-10-14 Reynolds George L Delayed extraction and a firearm cartridge case
US20120060716A1 (en) * 2010-09-10 2012-03-15 Davies Jack D Cartridge cases and base inserts therefor
US20160003597A1 (en) * 2010-11-10 2016-01-07 True Velocity, Inc. Method of making a polymer ammunition cartridge having a wicking texturing
US9429407B2 (en) 2010-11-10 2016-08-30 True Velocity, Inc. Lightweight polymer ammunition
US9506735B1 (en) 2016-03-09 2016-11-29 True Velocity, Inc. Method of making polymer ammunition cartridges having a two-piece primer insert
US9518810B1 (en) 2016-03-09 2016-12-13 True Velocity, Inc. Polymer ammunition cartridge having a two-piece primer insert
US9523563B1 (en) 2016-03-09 2016-12-20 True Velocity, Inc. Method of making ammunition having a two-piece primer insert
US9551557B1 (en) 2016-03-09 2017-01-24 True Velocity, Inc. Polymer ammunition having a two-piece primer insert
US9587918B1 (en) 2015-09-24 2017-03-07 True Velocity, Inc. Ammunition having a projectile made by metal injection molding
US10041770B2 (en) 2010-11-10 2018-08-07 True Velocity, Inc. Metal injection molded ammunition cartridge
US10041777B1 (en) 2016-03-09 2018-08-07 True Velocity, Inc. Three-piece primer insert having an internal diffuser for polymer ammunition
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US10048049B2 (en) * 2010-11-10 2018-08-14 True Velocity, Inc. Lightweight polymer ammunition cartridge having a primer diffuser
US10081057B2 (en) 2010-11-10 2018-09-25 True Velocity, Inc. Method of making a projectile by metal injection molding
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DE1214578B (en) * 1963-12-06 1966-04-14 Dynamit Nobel Ag Plate-shaped anvil for an ignition capsule
US20100258023A1 (en) * 2006-05-24 2010-10-14 Reynolds George L Delayed extraction and a firearm cartridge case
US7841279B2 (en) * 2006-05-24 2010-11-30 Reynolds George L Delayed extraction and a firearm cartridge case
US20120060716A1 (en) * 2010-09-10 2012-03-15 Davies Jack D Cartridge cases and base inserts therefor
US8522684B2 (en) * 2010-09-10 2013-09-03 Nylon Corporation Of America, Inc. Cartridge cases and base inserts therefor
US20130305951A1 (en) * 2010-09-10 2013-11-21 Nylon Corporation Of America, Inc. Cartridge cases and base inserts therefor
US8978559B2 (en) * 2010-09-10 2015-03-17 Nylon Corporation Of America, Inc. Cartridge cases and base inserts therefor
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US9429407B2 (en) 2010-11-10 2016-08-30 True Velocity, Inc. Lightweight polymer ammunition
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