Luossavaara-kiirunavaara Ab

Nikolaos Petropoulos

The present invention regards a detonator support device () configured for internally supporting an elongated detonator unit (), the detonator support device () exhibits an upper end () and a lower end () and comprises a first elongated sidewall () hingedly coupled to a second elongated sidewall () via a hinge member (), a latching member () of the detonator support device () is wall () in a closed state. A first cord clamping surface () of the first elongated sidewall () is configured to come in position opposite a second cord clamping surface () of the second elongated sidewall () in said closed state for engagement with at least one cord member (). The present invention further regards a method of preparing a detonator support device and a blasting system ().

Detonator support device for charging a blasthole, blasting system, method of preparing a detonator support device, explosive material charging vehicle and data medium

The invention concerns a blasting system () configured for explosive material charging in a borehole (). The system () comprises a detonator support device () configured to be inserted into the borehole () by means of a charging hose (); a main body () of the detonator support device () comprises a channel () oriented along a main body centre line (CL) extending along the borehole extension during said explosive material charging; an openable cover device () covering the channel () is configured to come into contact with the charging hose () in motion for pushing the main body () along the borehole (), wherein the charging hose () in motion is configured to open the openable cover device () whilst a stopping arrangement () stops the main body (). The invention also concerns a method of explosive material charging in a borehole () by means of the blasting system ().

Blasting system and a method of explosive material charging

The present invention concerns an explosive material charging device () and a method of positioning the explosive material charging device () in a borehole (). The explosive material charging device () comprises a top anchor unit () and a bottom anchor unit () each configured to engage the borehole wall (), an expandable tube member () arranged between the top anchor unit () and the bottom anchor unit () and configured to be charged with explosive material (), the bottom anchor unit () comprises a backflow prevention valve device () configured to prevent the explosive material () to flow out from the expandable tube member (), wherein the backflow prevention valve device () is openable for permitting a charging hose () to enter the expandable tube member () for reaching the interior of the top anchor unit ().

Explosive material charging device for charging a borehole method of positioning an explosive material charging device explosive material charging vehicle and data medium

Growing community of inventors

Luleå, Sweden

Nikolaos Petropoulos