ROMAN CANDLE Russian patent published in 2020 - IPC F42B4/14 F42B4/24 

FIELD: blasting operations.

SUBSTANCE: invention relates to pyrotechnic means for entertainment and festive events with carrying out fireworks, as well as to means for use in various fields of activity for signalling and sound notification. Roman candle is a cardboard outer tube, having a strong blind from below, along the entire length of the tube, a wick extends from the outside to the outside, into the tube is alternately pressed, separated by expelling charges, isolated sections, in which there are bottom-up: plug, ignition-explosive composition with pyrotechnic element, safety wad. Each pyrotechnic element has a certain chemical composition depending on the created visual fireworks effect. Section is insulated by height with inner tube, from below - by clay plug with pyrotechnic retarder, from above - by safety wad.

EFFECT: roman candle is reliable and safe.

3 cl, 1 dwg, 1 tbl