METHOD AND DEVICE FOR TRANSPORTATION OF LOOSE MATERIAL Russian patent published in 1996 - IPC

FIELD: transportation. SUBSTANCE: method of loose material transportation includes delivery of dispersed material into intake end of channel formed between two opposite friction drive walls and end face wall or walls. Dispersed material is consolidated in first part of channel by reducing channel cross section to form dispersed material with bridge ties. In second part of channel material is deconsolidated and then consolidated again by reducing cross section of channel in third part. Device has housing with inlet and outlet arrangement and channel in between. Channel consists of three parts with cross sections of first and third part of channel being reduced in size as compared with second part. EFFECT: enhanced transportation and metering of loose materials. 10 cl, 5 dwg