Connecting device by clamping profiles in the form of activators, nested in one another and relocatable, to the mine soutenement

摘要

The invention relates to a connection device by clamping profiles in the form of activators, nested in one another and relocatable soutenement to the mine. / p & & p & in this clamping device serving to reunite of the profiles in the form of activators 3, 4 by means of an upper elastic clip 5 and a lower attachment 6, the upper fastening device 5 comprises at its two stiffener rods threaded 8 intended to be fixed by clamping by means of nuts 17 on the lower fastener 6 which is also subject. / p & & p & application in particular at soutenement mine galleries.