HOPPER-FEEDER Russian patent published in 2003 - IPC

FIELD: tire industry. SUBSTANCE: invention relates to reprocessing of worn out and substandard automobile tires and it can be used in different industry where polymeric powders and granules are processes. Proposed hopper-feeder contains co cylindrical housing with several discharge hatches, flat bottom, cover, near-bottom activator with conical divider and drive. Near- bottom activator is made in form of central disk with blades secured tangentially over periphery. Conical divider is made separately from activator being secured stationary on cover or housing of hopper with guaranteed clearance between upper plane of central disk and lower plane of conical divider base. Diameter of central disk is equal to 0.4-0.6 of inner diameter of hopper housing. Diameter of conical divider base is equal to 1/0-1/1 of activator disk diameter. Clearance between upper plane of central disk and lower plane of base of conical divider is equal to 0.02-0.1 of diameter of activator disk. Apex angle of conical divider is 45^o -70^o. Height of blades is 0.3-0.5 of height of discharge hatches. EFFECT: improved reliability in operation, facilitated manufacture. 2 dwg