Expansible drums for carrying flexible material in tubular form, e.g. expanded by centrifugal force

Full Title

Wheels or drums supporting in exchangeable arrangement a layer of flexible abrasive material, e.g. sandpaper > Expansible drums for carrying flexible material in tubular form, e.g. expanded by centrifugal force

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

GRINDING; POLISHING

Subclass:

TOOLS FOR GRINDING, BUFFING OR SHARPENING