PROCESS OF ASSEMBLY OF PERCUSSION CAPS AND ARRANGEMENT OF PRESS TOOL FOR ITS IMPLEMENTATION Russian patent published in 2001 - IPC

FIELD: manufacture of initiation devices. SUBSTANCE: process of assembly of percussion caps includes installation of shell on bottom of press tool and group feeding of anvil and cup fitted with impact igniter composition into shell by punches with deformation of shell bottom with protrusions on bottom. Shell bottom can have concavity made in advance and deformation can be carried out with feeding of anvil. Press tool for assembly of percussion caps includes individual stepped punches, matrix and bottom with protrusions. Protrusions have diameter 0.4-0,8 of inner diameter of shell and height exceeding allowance for shell height. EFFECT: increased indices of reliability and safety of manufacture of percussion caps. 2 cl, 2 dwg