Retractable dock seal

This retractable sealant is used cover the rear of the van against the building and protects against bad weather. It is equipped with a rainwater collection system from the top and a conveyance to the side. It blocks bad weather and wind that could be harmful during loading and unloading operations. The sealant is very durable and the front covers are resistant to the friction with the vans while docking. The retractable sealant is composed by two frames, one fixed to the wall of the building and the other, with 4 pantograph arms, connected to the first one. A plastic sheet connects the first frame with the second one and moves on the pantograph. In the event of an incorrect maneuver of the van, the second frame returns to its previous position as the vehicle advances. The roof is perforated to collect rainwater in a conduit under the holes, connected to lateral water drains. The vehicle touches and squeezes within the front flaps fixed to the mobile frame, while these fold against the vehicle for a sealing contact. STRUCTURE The retractable sealant consists of sendzimir pantograph metal profiles. FRONT COVERS The profiles of the external facade are fixed to a top horizontal sheet. They are made by black PVC texture 2.5 mm thick, 1 meter large and as wide as the structure, with edges cut diagonally to facilitate the penetration of the vehicle contour. The vertical side profiles carry a black PVC sheet each, with double weft, 2.9 mm thick, stretched inside. The double weft interacts as a spring to keep them adherent to the sides of the docked vehicles.