by means of a rotatable drum with radial blades

Full Title

Manufacture of leather; Machines or devices therefor > Softening or making skins or leather supple, e.g. by staking, boarding, or crippling machines, by dry mills > by means of a rotatable drum with radial blades

Classification Context

Section:

CHEMISTRY; METALLURGY

Class:

SKINS; HIDES; PELTS OR LEATHER

Subclass:

MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES, OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES