B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
Dispositif de fixation et de maintien en tension d'au moins une feuille souple, feuilles en materiau souple equipees d'au moins un element selon ce dispositif et installations mettant en óoeuvre au moins une feuille.