LIQUID CLEANING FILTER Russian patent published in 1998 - IPC

FIELD: chemical industry. SUBSTANCE: filter has cylindrical plastic body one end of which carries nozzle to supply contaminated liquid and the other is fitted with T-piece for removal of liquid. Metal-ceramic filtering rod with longitudinal through channels is positioned in body. Unpurified liquid outlet facility is arranged on external end of T-piece. This facility and nozzle are made as cylindrical plastic coupling connected to body by means of thermal welding and cylindrical plastic bush secured in coupling by thermal welding. Bush holds hexagonal nut into which tail-piece of pipe connection is screwed. Sealing gasket is clamped between ends of bush and pipe connection. T-piece is fitted with branch pipe for purified liquid outlet. It is positioned at right angles with longitudinal axis of body. Cylindrical plastic bush holding hexagonal nut into which pipe connection tail-piece is screwed is secured in branch pipe by means of thermal welding. EFFECT: enhanced efficiency and reliability of filter. 6 dwg