The invention is an improvement to a conveying equipment that includes at least one curved corridor in which runs a queue of products moved by an endless mobile belt, said corridor being defined by: a first wall connected to the frame and having a first fixed curvature radius and a second wall mobile relative to said frame and having a second curvature radius that varies based on the products, said second mobile wall including: a guiding profile that may comprise several members, used as a friction surface and extending from an inlet up to an outlet of said curved corridor opposite said first fixed wall; a structure bearing said guiding profile, the structure including several segments connected to moving means, said segments being in abutment and distributed between the inlet and the outlet of the curved corridor and being movably housed in said guiding profile.