US1081616A - Mushroom-bullet. - Google Patents
Mushroom-bullet. Download PDFInfo
- Publication number
- US1081616A US1081616A US78960213A US1913789602A US1081616A US 1081616 A US1081616 A US 1081616A US 78960213 A US78960213 A US 78960213A US 1913789602 A US1913789602 A US 1913789602A US 1081616 A US1081616 A US 1081616A
- Authority
- US
- United States
- Prior art keywords
- bullet
- jacket
- mushroom
- metal
- core
- 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
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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
- FIG. 1 view in side elevation of a mushroom bullet constructed in accordance with my invention, a portion of the jacket being broken away, exposing a portion of the core in section.
- Fig. 2 a corresponding View of one of the modified forms whicl my invention may assume.
- My invention relates to an in'iprovement in that class of mushroom bullets in which a jacket of thin sheet-metal is swaged upon a core of soft metal, the object being to produce at a low cost for manufacture, a superior hullet of the character described.
- the one-piece jacket of relatively hard sheet-metal is virtually divided into a tip, 2, and a body, 3, by the formation in it of a continuous circumferential groove, 4, entering the jacket at. a right angle to the longitudinal axis ofthe bullet and stretching and weakening the metal of the jacket which is forced directly inward into the soft-metal core which completely fills the tip and body of the jacket.
- this bul- Specification of Letters Patent At the moment of impact, this bul- Specification of Letters Patent.
- the one-piece sheet-metal jacket is virtually divided into a tip, 2, and a body,
- a full jacketed, sharp-nosed. mushroom bullet cylindrical at its rear end and tapering at its forward end to a point, the said bullet comprising a soft-metal core and a jacket of uniform thickness therefor, and the bullet being provided in its tapering point and forward of its largest diameter with a circumferential groove formed in the jacket and extending into the core and virtually dividing the one-piece jacket into tip and body-portions, whereby the tip-portion of the jacket is adapted to be telescoped into the body portion thereof and the same disrupted, and the bullet mushroomed.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Adornments (AREA)
Description
T. O. JOHNSON. MUSHROOM BULLET. APPLICATION IILBD SEPT. 13, 1913.
Patented Dec. 16,1913.
THOMAS C. JOHNSON, OF NEW HAVEN, CONNECTICUT, ASSIGNOR TU WINCHESTER REPEATING ARIVIS (30., OF NEW HAVEN, CONNECTICUT, A CORPORATION.
MUSHROOM-BULLET.
Bullets; and I do hereby declare the following, when taken in connection with the accompal'iying drawu'igs 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 1, view in side elevation of a mushroom bullet constructed in accordance with my invention, a portion of the jacket being broken away, exposing a portion of the core in section. Fig. 2, a corresponding View of one of the modified forms whicl my invention may assume.
My invention relates to an in'iprovement in that class of mushroom bullets in which a jacket of thin sheet-metal is swaged upon a core of soft metal, the object being to produce at a low cost for manufacture, a superior hullet of the character described.
W'ith this end in view my invention consists in a mushroom 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. l of the drawings, the one-piece jacket of relatively hard sheet-metal is virtually divided into a tip, 2, and a body, 3, by the formation in it of a continuous circumferential groove, 4, entering the jacket at. a right angle to the longitudinal axis ofthe bullet and stretching and weakening the metal of the jacket which is forced directly inward into the soft-metal core which completely fills the tip and body of the jacket. At the moment of impact, this bul- Specification of Letters Patent.
Application filed September 13, 1913.
Patented Dec. 16,1913. Serial No. 789,602.
let collapses and mushrooms along the weakened circumferential line created by the formation of the circumferential groove, 4, which is of substantially triangular crosssection as shown. j
In the modified construction shown by Fig. 2, the one-piece sheet-metal jacket is virtually divided into a tip, 2, and a body,
3, by means of a circumferential groove (3, substantially rectangular in cross-section. and forced slightly inward into the softmetal. core, 5, at a right angle to the lon gitudinal axis of the bullet. The production of the groove, 6, also weakens the jacket by stretching the metal of the same and so weakens the jacket at this point that the bullet is disrupted along the line of the groove and caused to mushroom at the mo ment of impact.
I claim:
As a new article of manufacture, a full jacketed, sharp-nosed. mushroom bullet cylindrical at its rear end and tapering at its forward end to a point, the said bullet comprising a soft-metal core and a jacket of uniform thickness therefor, and the bullet being provided in its tapering point and forward of its largest diameter with a circumferential groove formed in the jacket and extending into the core and virtually dividing the one-piece jacket into tip and body-portions, whereby the tip-portion of the jacket is adapted to be telescoped into the body portion thereof and the same disrupted, and the bullet mushroomed.
In testimony whereof, I have signed this specification in the presence of two subscribing witnesses.
THOMAS J OHNSGN. Witnesses:
FRANK A. PAUL, HARRY L. CROCKETT.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US78960213A US1081616A (en) | 1913-09-13 | 1913-09-13 | Mushroom-bullet. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US78960213A US1081616A (en) | 1913-09-13 | 1913-09-13 | Mushroom-bullet. |
Publications (1)
Publication Number | Publication Date |
---|---|
US1081616A true US1081616A (en) | 1913-12-16 |
Family
ID=3149849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US78960213A Expired - Lifetime US1081616A (en) | 1913-09-13 | 1913-09-13 | Mushroom-bullet. |
Country Status (1)
Country | Link |
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US (1) | US1081616A (en) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8752484B2 (en) | 2011-07-26 | 2014-06-17 | Ra Brands, L.L.C. | Three component bullet with core retention feature and method of manufacturing the bullet |
WO2014116950A1 (en) * | 2013-01-24 | 2014-07-31 | Ra Brands, L.L.C. | Multi-component bullet with core retention feature and method of manufacturing the bullet |
US20140230683A1 (en) * | 2013-02-15 | 2014-08-21 | Ra Brands, L.L.C. | Reduced friction expanding bullet with improved core retention feature and method of manufacturing the bullet |
USD733252S1 (en) | 2011-07-26 | 2015-06-30 | Ra Brands, L.L.C. | Firearm bullet and portion of firearm cartridge |
USD733835S1 (en) | 2011-07-26 | 2015-07-07 | Ra Brands, L.L.C. | Firearm bullet |
USD733837S1 (en) | 2011-07-26 | 2015-07-07 | Ra Brands, L.L.C. | Firearm bullet |
USD733836S1 (en) | 2011-07-26 | 2015-07-07 | Ra Brands, L.L.C. | Firearm bullet |
USD733834S1 (en) | 2011-07-26 | 2015-07-07 | Ra Brands, L.L.C. | Firearm bullet |
USD734419S1 (en) | 2011-07-26 | 2015-07-14 | Ra Brands, L.L.C. | Firearm bullet |
USD735289S1 (en) | 2011-07-26 | 2015-07-28 | R.A. Brands, L.L.C. | Firearm bullet |
US9372058B2 (en) | 2011-12-28 | 2016-06-21 | Randy R. Fritz | Hollow bullet with internal structure |
US9534876B2 (en) | 2013-05-28 | 2017-01-03 | Ra Brands, L.L.C. | Projectile and mold to cast projectile |
US11268791B1 (en) | 2014-05-23 | 2022-03-08 | Vista Outdoor Operations Llc | Handgun cartridge with shear groove bullet |
US11333472B1 (en) | 2018-07-16 | 2022-05-17 | Vista Outdoor Operations Llc | Reduced stiffness barrel fired projectile |
-
1913
- 1913-09-13 US US78960213A patent/US1081616A/en not_active Expired - Lifetime
Cited By (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9207052B2 (en) | 2011-07-26 | 2015-12-08 | Ra Brands, L.L.C. | Three component bullet with core retention feature and method of manufacturing the bullet |
USD800245S1 (en) | 2011-07-26 | 2017-10-17 | Ra Brands, L.L.C. | Firearm bullet |
US9366512B2 (en) | 2011-07-26 | 2016-06-14 | Ra Brands, L.L.C. | Multi-component bullet with core retention feature and method of manufacturing the bullet |
US8752484B2 (en) | 2011-07-26 | 2014-06-17 | Ra Brands, L.L.C. | Three component bullet with core retention feature and method of manufacturing the bullet |
USD733252S1 (en) | 2011-07-26 | 2015-06-30 | Ra Brands, L.L.C. | Firearm bullet and portion of firearm cartridge |
USD733835S1 (en) | 2011-07-26 | 2015-07-07 | Ra Brands, L.L.C. | Firearm bullet |
USD733837S1 (en) | 2011-07-26 | 2015-07-07 | Ra Brands, L.L.C. | Firearm bullet |
USD733836S1 (en) | 2011-07-26 | 2015-07-07 | Ra Brands, L.L.C. | Firearm bullet |
USD733834S1 (en) | 2011-07-26 | 2015-07-07 | Ra Brands, L.L.C. | Firearm bullet |
USD734419S1 (en) | 2011-07-26 | 2015-07-14 | Ra Brands, L.L.C. | Firearm bullet |
USD735289S1 (en) | 2011-07-26 | 2015-07-28 | R.A. Brands, L.L.C. | Firearm bullet |
USD802705S1 (en) | 2011-07-26 | 2017-11-14 | Ra Brands, L.L.C. | Firearm bullet |
USD800244S1 (en) | 2011-07-26 | 2017-10-17 | Ra Brands, L.L.C. | Firearm bullet |
USD800246S1 (en) | 2011-07-26 | 2017-10-17 | Ra Brands, L.L.C. | Firearm bullet |
US8950333B2 (en) | 2011-07-26 | 2015-02-10 | Ra Brands, L.L.C. | Multi-component bullet with core retention feature and method of manufacturing the bullet |
USD791265S1 (en) | 2011-07-26 | 2017-07-04 | Ra Brands, L.L.C. | Firearm bullet and portions of a firearm cartridge |
USD791266S1 (en) | 2011-07-26 | 2017-07-04 | R A Brands, L.L.C. | Firearm bullet |
USD791264S1 (en) | 2011-07-26 | 2017-07-04 | Ra Brands, L.L.C. | Firearm bullet and portions of a firearm cartridge |
US9372058B2 (en) | 2011-12-28 | 2016-06-21 | Randy R. Fritz | Hollow bullet with internal structure |
WO2014116950A1 (en) * | 2013-01-24 | 2014-07-31 | Ra Brands, L.L.C. | Multi-component bullet with core retention feature and method of manufacturing the bullet |
US20140230683A1 (en) * | 2013-02-15 | 2014-08-21 | Ra Brands, L.L.C. | Reduced friction expanding bullet with improved core retention feature and method of manufacturing the bullet |
US9188414B2 (en) * | 2013-02-15 | 2015-11-17 | Ra Brands, L.L.C. | Reduced friction expanding bullet with improved core retention feature and method of manufacturing the bullet |
US9534876B2 (en) | 2013-05-28 | 2017-01-03 | Ra Brands, L.L.C. | Projectile and mold to cast projectile |
US11268791B1 (en) | 2014-05-23 | 2022-03-08 | Vista Outdoor Operations Llc | Handgun cartridge with shear groove bullet |
US11781843B2 (en) | 2018-07-16 | 2023-10-10 | Federal Cartridge Company | Reduced stiffness barrel fired projectile |
US11333472B1 (en) | 2018-07-16 | 2022-05-17 | Vista Outdoor Operations Llc | Reduced stiffness barrel fired projectile |
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