B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices
(AREA)
Dispositif pour monter les extremites de troncons tubulaires plats convoyes continuellement transversalement pendant la fabrication de sacs ou de sachets