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DE3475730D1 - Bullet - Google Patents

Bullet

Info

Publication number
DE3475730D1
DE3475730D1 DE8484100331T DE3475730T DE3475730D1 DE 3475730 D1 DE3475730 D1 DE 3475730D1 DE 8484100331 T DE8484100331 T DE 8484100331T DE 3475730 T DE3475730 T DE 3475730T DE 3475730 D1 DE3475730 D1 DE 3475730D1
Authority
DE
Germany
Prior art keywords
bullet
grooves
spheres
section
groove
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
Application number
DE8484100331T
Other languages
German (de)
Inventor
Leroy James Sullivan
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.)
Branscomb Corp NV
Original Assignee
Branscomb Corp NV
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 Branscomb Corp NV filed Critical Branscomb Corp NV
Application granted granted Critical
Publication of DE3475730D1 publication Critical patent/DE3475730D1/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B7/00—Shotgun ammunition
    • F42B7/02—Cartridges, i.e. cases with propellant charge and missile
    • F42B7/10—Ball or slug shotgun cartridges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B10/00—Means for influencing, e.g. improving, the aerodynamic properties of projectiles or missiles; Arrangements on projectiles or missiles for stabilising, steering, range-reducing, range-increasing or fall-retarding
    • F42B10/02—Stabilising arrangements
    • F42B10/22—Projectiles of cannelured type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B14/00—Projectiles or missiles characterised by arrangements for guiding or sealing them inside barrels, or for lubricating or cleaning barrels
    • F42B14/02—Driving bands; Rotating bands
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B14/00—Projectiles or missiles characterised by arrangements for guiding or sealing them inside barrels, or for lubricating or cleaning barrels
    • F42B14/06—Sub-calibre projectiles having sabots; Sabots therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Glanulating (AREA)
  • Golf Clubs (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

A casing contains a propelling charge and a bullet or slug (1) with flutes or grooves in its outer surface extending helically around or parallel to the longitudinal axis. Each groove is U-shaped in section and contains spheres (4) of dia. equal to that of the groove cross-section. The spheres are arranged in rows in each of the grooves to support and stabilise the bullet in the firearm barrel during firing. The spheres have dias. equal to the cross-section of their containing groove, being arranged in rows in the grooves to support the bullet.
DE8484100331T 1984-01-13 1984-01-13 Bullet Expired DE3475730D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP84100331A EP0150229B1 (en) 1984-01-13 1984-01-13 Bullet

Publications (1)

Publication Number Publication Date
DE3475730D1 true DE3475730D1 (en) 1989-01-26

Family

ID=8191700

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484100331T Expired DE3475730D1 (en) 1984-01-13 1984-01-13 Bullet

Country Status (3)

Country Link
EP (1) EP0150229B1 (en)
AT (1) ATE39386T1 (en)
DE (1) DE3475730D1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU595072B2 (en) * 1988-08-30 1990-03-22 Nagatoshi Maki Slug assembly for shotgun shotshell
US11268791B1 (en) 2014-05-23 2022-03-08 Vista Outdoor Operations Llc Handgun cartridge with shear groove bullet
US10989507B2 (en) * 2019-01-29 2021-04-27 Mark Thompson Systems and methods for matching ogive twist and barrel twist

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE583098C (en) * 1932-05-07 1933-08-28 Paul Thuermer Shotgun barrel
FR1124740A (en) * 1955-04-19 1956-10-16 Hunting cartridge
ATE42399T1 (en) * 1983-06-22 1989-05-15 Branscomb Corp Nv BULLET FOR FIREARMS.

Also Published As

Publication number Publication date
ATE39386T1 (en) 1989-01-15
EP0150229B1 (en) 1988-12-21
EP0150229A1 (en) 1985-08-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee