HYDROSTATIC BALANCING LIPSTICK FOR PRESSURIZED FLUID

摘要

P LIPSTICK COMPRISING TWO PARTS, ONE OF WHICH IS ELASTOMERIC AND THE OTHER IS METALLIC. THE FIRST PIECE HAVING A NECKED FACE TO CONSTITUTE TWO LIPS IN THE FORM OF V. THE SECOND IS BEAMED AND IS SUPPORTING THE LIPS IN V OF THE SECOND PIECE. /P