DEVICE FOR SHELTERING OF EXPLOSION SITES Russian patent published in 1998 - IPC

FIELD: construction engineering. SUBSTANCE: this relates to utilization of explosion energy in national economy and can be used in mining and construction industry. For higher efficiency and better ecological characteristics, device for sheltering of explosion sites incorporates splittable frame which is made up of separate sections. Sections are pivoted to each other and interconnected by flexible links. Located inside sections of frame are damping members made in the form of flexible vessels filled with liquid and provided with discharge pipes having perforated covers. Aforesaid embodiment of device prevents unlimited throwing-out of exploded rock mass and reduces discharge of dust due to spraying of liquid from flexible vessels. EFFECT: higher efficiency. 2 dwg