Anchor to secure a reinforcement mat to tunnel walls is a hollow rod forming a sleeve with a lateral spring action and shaped hooks to hold the reinforcement mat in place

摘要

The anchor (10), to mount a reinforcement mat to a surface, has a rod shape with a spring character in cross section. It has fittings (16,18) to secure the reinforcement mat (20) as a hook (18) formed by a slit (16). The anchor (10) is a hollow profile, with a longitudinal slit and a taper (14) at one end. The anchor sleeve (10) can have hook structures (18) at both ends.