US12516919 - Bullet cartridge, method for manufacturing a bullet cartridge and plant for manufacturing bullet cartridges

The patent describes a bullet cartridge featuring a bullet case with a neck portion and a projectile, which is sealed with an annular layer of sealing medium that is microdosed. This sealing medium is applied at controlled temperatures and is limited to a specific amount based on the caliber diameter of the cartridge.

Claim 1

1 . A bullet cartridge comprising: a bullet case defining a caliber diameter and having a neck portion; a projectile configured to be inserted into the neck portion of the bullet case; and at least one annular layer of a sealing medium formed from a sealing medium between the bullet case and the projectile and applied at a temperature of at least 25° C. and at most 60° C., wherein: the at least one annular layer is at least one microdosed annular layer, and/or the at least one annular layer comprises not more than 0.5 mg of sealing medium per mm of caliber diameter. a bullet case defining a caliber diameter and having a neck portion; a projectile configured to be inserted into the neck portion of the bullet case; and at least one annular layer of a sealing medium formed from a sealing medium between the bullet case and the projectile and applied at a temperature of at least 25° C. and at most 60° C., wherein: the at least one annular layer is at least one microdosed annular layer, and/or the at least one annular layer comprises not more than 0.5 mg of sealing medium per mm of caliber diameter. the at least one annular layer is at least one microdosed annular layer, and/or the at least one annular layer comprises not more than 0.5 mg of sealing medium per mm of caliber diameter.

Google Patents

https://patents.google.com/patent/US12516919

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12516919