Fragmentation pattern, optimized for drawn cup warheads with a dome and cylindrical wall
US12158327B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 23, 2023 |
| Grant date | Dec 3, 2024 |
| Priority date | — |
| Expiry date | Jun 23, 2043 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF42B27/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Provided is a frangible munitions device optimized for a dome and cylinder that yields fragments having shapes corresponding to a predetermined embossment pattern upon explosive rupture. The embossment pattern includes a first set of inner regular hexagonal embossments formed into the dome and cylinder that are aligned with the axis of the cylinder, and a second set of outer pre-deformed hexagonal shapes that distort to produce regular hexagonal shapes after drawing into the cylinder wall. The second set of shapes are separated by sharp transition regions. The shapes are embossed in a repeated pattern around the hollow cylinder and the dome top. The dome yields a plurality of fragments having shapes corresponding to the first set of inner regular hexagonal embossments upon explosive rupture, while the cylinder yields a plurality of fragments having shapes corresponding to the second set of outer pre-deformed hexagonal embossments upon explosive rupture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.