Polymer cartridge with enhanced snapfit metal insert and thickness ratios
US12163770B2 · kind B2 · utility
0Cited by
195References
3Claims
0Family size
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Key dates
| Filing date | Sep 9, 2022 |
| Grant date | Dec 10, 2024 |
| Priority date | — |
| Expiry date | Sep 9, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF42B5/307
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A high strength polymer-based cartridge having a polymer case with a first end having a mouth. A body can be formed below the mouth and having a propellant chamber and a longitudinal axis. A back end can be formed opposite the first end and formed below the body, with a first snap ridge comprising a first ridge angle at approximately at 90° to the longitudinal axis; and a second snap ridge, positioned closer to the first end than the first snap ridge, comprising a second ridge angle at approximately at 90° to the longitudinal axis. Further, an insert is configured to engage the back end.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.