US1081065A - Mushroom-bullet. - Google Patents

Mushroom-bullet. Download PDF

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Publication number
US1081065A
US1081065A US78959713A US1913789597A US1081065A US 1081065 A US1081065 A US 1081065A US 78959713 A US78959713 A US 78959713A US 1913789597 A US1913789597 A US 1913789597A US 1081065 A US1081065 A US 1081065A
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United States
Prior art keywords
mushroom
bullet
band
jacket
soft
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
US78959713A
Inventor
Henry W Starkweather
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.)
Winchester Repeating Arms Co
Original Assignee
Winchester Repeating Arms 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 Winchester Repeating Arms Co filed Critical Winchester Repeating Arms Co
Priority to US78959713A priority Critical patent/US1081065A/en
Application granted granted Critical
Publication of US1081065A publication Critical patent/US1081065A/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
    • F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F42B12/34—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect expanding before or on impact, i.e. of dumdum or mushroom type

Definitions

  • My invention relates to animprovement in jacketed mushroom bullets characterized by a band-like jacket exposing the soft metal of the body or core ⁇ beyond its opposite edges, the object being to produce at a low cost for manufacture, a bullet of superior mushrooming effect.
  • the nose, 5, of the soft-metal body is eX- posed beyond the outer edge of the bandlike jacket, 2, and is therefore free to mushroom upon impact.
  • the band is made in its largest part a trifle smaller in diameter than the exposed rear end, 6, of the body which is cylindrical in form and provided with a shallow annular groove, 7, for the reception of a lubricant.
  • a mushroom bullet having a soft-metal body made cylindrical at its rear end to take into the rifling of a gun-barrel and tapering forward from its cylindrical portion to form a rounded nose, and a band-like jacket swaged upon the said soft-metal body and narrower in width than the length thereof to expose the cylindrical rear end thereof and the rounded nose thereof, and the inner edge of the said band being turned inward to form a retaining-Harige or crimp which is embedded in the metal of the body at a point in front of the cylindrical portion thereof and where the body begins to taper forward.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Percussive Tools And Related Accessories (AREA)

Description

Patented Dec. 9, 1913.
H. W. STARKWEATHER.
MUSHROOM B T.
-APPLIOATION FILED .1a, 191s.
coLuMlm PIANOalArn NITED STATES PATENT OFFIC'" HENRY W. STARKWEATI-IER, -OF NEW HAVEN, CONNECTICUT, ASSIGNOR T WIN- CHESTER REPEATING ARMS C0., 0F NEW HAVEN, CONNECTICUT, A CORPORATION.
MUSHROOM-BULLET.
Specification of Letters Patent.
Patented Dec. 9,1913.
To all wko/m, t may concern.'
Be it .known that I, HENRY W. STARK- WEATHER, a citizen of the United States, residing at New Haven, in thevcounty of New Haven and State of Connecticut, have invented a new and useful Improvement in MuslirooniBullets; and I do hereby declare the following, when taken inI connection with the accompanying drawings 'and the characters of reference marked thereon, to be a full, clear, and exact description of the same, and which said drawings constitute part of this application,and represent, in Figure l, a View in side elevation of a mushroom bullet constructed in accordance with my invention, with a band-like jacket swaged thereupon. Fig. 2, a view thereof in central longitudinal section.
My invention relates to animprovement in jacketed mushroom bullets characterized by a band-like jacket exposing the soft metal of the body or core `beyond its opposite edges, the object being to produce at a low cost for manufacture, a bullet of superior mushrooming effect.
IVith these ends in view my invention consists in a mushroom 4bullet having certain details of construction as will be hereinafter described and pointed out in the claim.
In carrying out my invention as herein shown, I apply a relatively hard sheetmetal band-like jacket, 2, to a soft metal body, 3, upon which the band is swaged so as to be embedded in the surface thereof, the inner end of the band being bent inward to form an annular anchoring flange or crimp, 4, which is embedded in v*the body,
3, and holds the band firmly thereupon. The nose, 5, of the soft-metal body is eX- posed beyond the outer edge of the bandlike jacket, 2, and is therefore free to mushroom upon impact.
To prevent any portion of the band, 2, from engaging with the rifling of the arm in which the bullet is used, the band is made in its largest part a trifle smaller in diameter than the exposed rear end, 6, of the body which is cylindrical in form and provided with a shallow annular groove, 7, for the reception of a lubricant.
I claim:
As a new article of manufacture, a mushroom bullet having a soft-metal body made cylindrical at its rear end to take into the rifling of a gun-barrel and tapering forward from its cylindrical portion to form a rounded nose, and a band-like jacket swaged upon the said soft-metal body and narrower in width than the length thereof to expose the cylindrical rear end thereof and the rounded nose thereof, and the inner edge of the said band being turned inward to form a retaining-Harige or crimp which is embedded in the metal of the body at a point in front of the cylindrical portion thereof and where the body begins to taper forward.
In testimony whereof, I have signed this specilication in the presence of two subscribing witnesses.
HENRY W. STARKVEATHER.
Witnesses:
THOMAS C. JOHNSON, FRANK A. PAUL.
Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,
Washington, D. C.
US78959713A 1913-09-13 1913-09-13 Mushroom-bullet. Expired - Lifetime US1081065A (en)

Priority Applications (1)

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US78959713A US1081065A (en) 1913-09-13 1913-09-13 Mushroom-bullet.

Applications Claiming Priority (1)

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US78959713A US1081065A (en) 1913-09-13 1913-09-13 Mushroom-bullet.

Publications (1)

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US1081065A true US1081065A (en) 1913-12-09

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US78959713A Expired - Lifetime US1081065A (en) 1913-09-13 1913-09-13 Mushroom-bullet.

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3142256A (en) * 1959-04-03 1964-07-28 Bernhard V Mack Jacketed-cast bullet
US4503777A (en) * 1981-10-30 1985-03-12 Russell Young Semi-jacketed bullet having integral jacket retaining means, and method of making
US4610205A (en) * 1984-07-30 1986-09-09 Bentley John C Bullet for black powder rifles
US4938147A (en) * 1989-06-07 1990-07-03 Czetto Jr Paul High impact expandable bullet

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3142256A (en) * 1959-04-03 1964-07-28 Bernhard V Mack Jacketed-cast bullet
US4503777A (en) * 1981-10-30 1985-03-12 Russell Young Semi-jacketed bullet having integral jacket retaining means, and method of making
US4610205A (en) * 1984-07-30 1986-09-09 Bentley John C Bullet for black powder rifles
US4938147A (en) * 1989-06-07 1990-07-03 Czetto Jr Paul High impact expandable bullet

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