INTERMEDIATE DETONATOR Russian patent published in 2017 - IPC F42D1/04 F42B3/10 F42B1/04 

FIELD: blasting.

SUBSTANCE: intermediate detonator comprises a cylindrical body formed in one with a primer cap well having at least one longitudinal protrusion on the inner surface for fixing the primer cap on one end side, and a latch that is detachably disposed on the opposite to the primer cap well open side. The charge of the explosive is made of a slurry explosive and pressed to a density of 20-35% above the srurried. The cylindrical body is formed with one or more grooves on the end side where the primer cap well is located. The latch is made with one or more clamps under for the shock-wave tube. The latch is made with a liner having a diameter of 0.6-0.7 of the latch outer diameter and a length of 1-1.25 of the latch outer diameter, disposed along the latch axis and having in section an annular or star-shaped shape of three or more plates. Cylindrical body with primer cap well is made composite.

EFFECT: invention makes it possible to increase the reliability and efficiency of initiation, to increase the convenience and safety of handling it.

5 cl, 5 dwg