WORKING DEVICE FOR FOOD PRODUCT CLEANING AND GRINDING APPARATUS Russian patent published in 1996 - IPC

FIELD: food-processing industry. SUBSTANCE: working device has cylindrical casing defined by metal tape, which is twisted with strips of abrasive material so as to form spiral member, with strips of abrasive material being applied transversely of spiral coils, which are tightly connected by metal binders in such a way that axes of strips of adjacent coils coincide. Strip width is 0.02-0.03 of casing diameter and space between strips is 1.1-1.8 of strip width. Strips are attached to tape end at an angle determined by ratio recited in Specification. EFFECT: increased efficiency, simplified construction, wider operational capabilities and enhanced reliability in operation. 3 dwg