PIPE CONVEYER Russian patent published in 1994 - IPC

FIELD: handling loose materials. SUBSTANCE: pipe conveyer has pipe 1 with charging and discharge ports. A working member is disposed inside the pipe. This working member has the form of pull rope 4 with disk scrapers 7 and hubs. The hubs have a length equaling 2.5 diameters of the pull rope 4. The maximum diameter of bulged portion of pull rope 4 is 2.5-3.0 diameters of the rope. Plastic scrapers 7 are secured to pull rope 4 by molding on bulged portions of pull rope 4. During operation steel pull rope 4 with scrapers 7 moves inside the pipe to convey loose material. In discharge zones the material falls down through ports in the pipe to receivers. EFFECT: enhanced efficiency, reduced metal usage. 5 dwg