US1077607A - Mushroom-bullet. - Google Patents

Mushroom-bullet. Download PDF

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Publication number
US1077607A
US1077607A US78988713A US1913789887A US1077607A US 1077607 A US1077607 A US 1077607A US 78988713 A US78988713 A US 78988713A US 1913789887 A US1913789887 A US 1913789887A US 1077607 A US1077607 A US 1077607A
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United States
Prior art keywords
tip
core
bullet
jacket
mushroom
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
US78988713A
Inventor
Thomas C Johnson
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 US78988713A priority Critical patent/US1077607A/en
Application granted granted Critical
Publication of US1077607A publication Critical patent/US1077607A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42BEXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/02Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F42B12/34Projectiles, 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

Description

v T. G. JOHNSON.
MUSHROOM BULLET.
APPLICATION FILED SEPT. 15, 1913.
Patented Nov. 4, 1913.
COLUMBIA'PLANOGRAPH CO WASHINETON D. c.
nnrrn s .Ad AEN FENCE.
THOMAS C. JOHNSON, OF NEW HAVEN, CONNECTICUT, ASSIGNOR TO WINCHESTER REPEATING ARMS CO., OF NEW HAVEN, CONNECTICUT, A CORPORATION.
MUSHROOM-BULLET.
Application filed September 15, 1913.
To all whom it may concern Be it known that I, THOMAS C. JOHNSON, a citizen of the United States, residing at New Haven, in the county of New Haven and State of Connecticut, have invented a new and useful Improvement in Mushroom- Bullets; and I do hereby declare the following, when taken in connection with the accompanying drawings and the characters of reference marked thereon, to be a full, clear, and exact descriotion of the same, and which said drawings constitute part of this application, and represent, in-
Figure 1, a view in side elevation of a mushroom bullet constructed in accordance with my invention, with a portion of the tip of the jacket broken away to expose a portion of the core which is shown in section. F 2, aview, corresponding to Fig. 1, of one of the modified forms which my invention may assume. Fig. 3, a view, corresponding to Fig. 1, of another of the modified forms which my invention may assume.
My invention relates to an improvement in that class of mushroom bullets in which a softmetal core is inclosed in a relatively hard sheet-metal jacket-body and jackettig, the edges of which are separated from each other by a circumferential accommoda tion space into which a portion of the softmetal core is exuded to complete the super ficial contour of the bullet, the object being to provide a superior bullet of the character described.
Vith this end in View my invention consists in a bullet having certain details of construction as will be hereinafter described and pointed out in the claim.
In carrying out my invention as shown in Fig. 1, the relatively hard jacket-body, 2, and jacket-tip, 3, have their edges separated from each other by a circumferential accommodation space, 4, into which a band, 5, is exuded from the soft-metal core, 6, upon which the said parts 2 and 3 are concurrently swaged. For the retention of the jacket-tip, 3, upon the point of the core, 6, I produce in the said tip, a plurality of symmetrically arranged anchoring indenta- Specification of Letters Patent.
Patented Nov. 4:, 1913.
Serial No. 789,887.
tions, 7, struck inward from the exterior surface of the tip, and either not cutting through the metal thereof or cutting it so slightly as not to permit the metal of the core to flow outward into the indentations which remain as shallow depressions in the exterior surface of the tip of the finished bullet.
In the modified construction shown by Fig. 2, the jacket-body, 8, and the jackettip, 9, are separated by an accommodation space, 10, into which a band, 11, of the metal of the core, 12, is exuded. In this construction the jacket-tip, 9, is retained upon the point of the core by the formation in it of a shallow circumferential groove, 13, which does not break the metal of the tip but which takes into the core, 12, so as to hold the tip in place thereupon.
In the modification shown by Fig. 3, the jacket-body, 14:, is separated from the jacket-tip, 15, by a circumferential accommodation space, 16, occupied by a band, 17, exuded from the core, 18, when the bullet is swaged, the jacket-tip being held in place by a plurality of circular anchoring indentations, 19, which do not break the metal of the jacket-tip, but which upset the same and take into the core so as to lock the tip thereupon.
I claim:
A mushroom bullet having a soft metal core, a acket-body, and a acket-tip, the said body and tip being formed independently of each other and swaged upon the core and separated by an accommodation space occupied by a band of metal exuded from the core and the tip being externally indented to take into the core for its retention upon the point thereof without permitting the metal of the core to flow into the external indentations in the tip.
In testimony whereof, I have signed this specification in the presence of two subscribing witnesses.
THOMAS C. JOHNSON. /Vitnesses:
FRANK A. PAUL, HARRY L. CRooKnT'r.
Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. G.
US78988713A 1913-09-15 1913-09-15 Mushroom-bullet. Expired - Lifetime US1077607A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US78988713A US1077607A (en) 1913-09-15 1913-09-15 Mushroom-bullet.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78988713A US1077607A (en) 1913-09-15 1913-09-15 Mushroom-bullet.

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US1077607A true US1077607A (en) 1913-11-04

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US78988713A Expired - Lifetime US1077607A (en) 1913-09-15 1913-09-15 Mushroom-bullet.

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060005731A1 (en) * 2004-07-06 2006-01-12 Karl Muth Dimpled projectile for use in firearms
US20070028793A1 (en) * 2003-09-10 2007-02-08 Jean-Claude Sauvestre Hunting bullet with reduced aerodynamic resistance

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070028793A1 (en) * 2003-09-10 2007-02-08 Jean-Claude Sauvestre Hunting bullet with reduced aerodynamic resistance
US7814837B2 (en) * 2003-09-10 2010-10-19 Jean-Claude Sauvestre Hunting bullet with reduced aerodynamic resistance
US20060005731A1 (en) * 2004-07-06 2006-01-12 Karl Muth Dimpled projectile for use in firearms
US7127996B2 (en) * 2004-07-06 2006-10-31 Karl Muth Dimpled projectile for use in firearms

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