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
B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
B07B1/4618—Manufacturing of screening surfaces
B—PERFORMING OPERATIONS; TRANSPORTING
B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
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
Élément support pour panneau de sécurité, procédé de production d'un tel élément et dispositif de protection pour un chantier comprenant un tel élément
Procede de fabrication d'une electrode de decharge sans soudure en particulier pour depoussiereurs electriques, et electrode obtenue par mise en oeuvre de ce procede