E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
E21D15/14—Telescopic props
E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
E21D15/32—Telescopic props with parts held relatively to each other by friction or gripping by a deformable collar or clamping means applied symmetrically inside a locking ring
E21D15/325—Telescopic props with parts held relatively to each other by friction or gripping by a deformable collar or clamping means applied symmetrically inside a locking ring by a clamping ring
Suspente pour l'accrochage d'un rail de fixation d'un element de doublage en combinaison avec un materiau isolant et une membrane d'etancheite
Dispositif de fixation, ses accessoires et sonprocede de pose permettant en particulier la fixation commode des plaques ondulees ou analogues, sur poutrelles profilees, en bardage ou sur toitures