BRUSH Russian patent published in 2002 - IPC

FIELD: paste applying equipment. SUBSTANCE: brush has head comprising plurality of bristle bundles and provided with outlet opening leading to bristles, paste container connected to head, device for feeding paste from container to head, and control valve made from flexible plastic and comprising diaphragm unit with nose member located inside head. Valve central axis is substantially perpendicular to direction of flow of paste to head. When valve is in normal inoperative position, its nose member is in sealing relation with outlet opening and side of diaphragm unit remote from nose member is communicating with atmosphere. Upon actuation of paste feeding device, paste is delivered under pressure from container into head while deforming diaphragm unit. As a result, nose member is moved from outlet opening and paste is dispensed in doses through said opening. When pressure acting upon paste is relieved, control valve returns to its initial inoperative position. EFFECT: constructional flexibility, convenient use and improved hygiene. 12 cl, 5 dwg