Abstract: A process for the formation of loops freely suspended over a plurality of supporting means for the conveyance of textile material, particularly web-shaped material, which is sensitive to longitudinal tension through a treatment chamber, e.g. a steamer, slowly traversed by the supporting means, e.g. supporting rollers, supported by an endless conveying means, e.g. an endless conveyor chain includes the steps of maintaining supporting means coming into contact with the material constantly in rotation during the formation of the loops, and effecting the loop formation by the relative motion of successive supporting means with respect to one another.