EXTRUDED ANTIFRICTION BELT FOR SHAVER HEAD AND SHAVER HEAD WITH SUCH BELT Russian patent published in 2002 - IPC

FIELD: devices for mechanical shaving such as disposable shaver with antifriction belt. SUBSTANCE: shaver head is used in disposable shaver. Antifriction belt is made by extrusion of polymeric mixture containing insoluble polymeric material and polyethylene oxide. Belt has initial dynamic friction factor equal to 0.2 or less. Extruded mixture contains as polyethylene oxide matter with mean molecular mass exceeding 3.5mln. It significantly decreases hazard of skin irritation or feeling of slip skin but keeps capability of sliding upon skin of user without formation on skin of film of soluble component. Antifriction belt is secured to head at ultrasonic welding. EFFECT: improved design, comfortable use of shaver. 7 cl, 1 dwg, 1 tbl