Tunnel-type covering consisting of arches formed by a tube-shaped profile forming a self-supporting framework, the said tubes serving as conduits for fluids

摘要

The invention relates to a tunnel-type covering. It consists of arches formed by a tube-shaped profile 2, the ends 4 of the said arches engaging in the anchoring bases 5 which are set directly in the ground, means serving as a supporting bar 7, 9 ensure the rigidity of the entire framework; situated at the level of the ends of each arch 2 are sealing joints 14 and, directed towards the outside, a branch piece 15 permits the connection of a hose 16 for air, gas or suction, the arch 2 comprising small diffusion holes situated along its entire length and directed towards the inside of the covering. Tunnel-type covering for greenhouses, DIY, storage, etc. IMAGE