B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
B24B55/06—Dust extraction equipment on grinding or polishing machines
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Grinding-Machine Dressing And Accessory Apparatuses
(AREA)
Systeme pour le remplissage en sable de reservoirs de vehicules ferroviaires avec les principes associes de vis sans fin et d'ecoulement du sable par gravite.