DRUM OF BLOWING MACHINE FOR TREATMENT OF BAST FIBRES Russian patent published in 2014 - IPC D01B1/16 

FIELD: textiles, paper.

SUBSTANCE: drum of blowing machine for treatment of bast fibres comprises beaters located circumferentially, attached on the shaft by means of crossbars carrying under-beater grid, as well as several beater planks on each beater, which have a different outreach of the edges relative to each other. According to the invention, the working edges of all beater planks have a wavy shape, at that the crests of the adjacent planks are offset relative to each other along the length of the drum, and the outreach of the working edges of the beater planks relative to each other may vary along the length of the drum.

EFFECT: use of this construction of the scutching drum enables to improve the removal of chaff of bast fibres at early stages of the scutching process and in the area at the line of clamp; the intensification of removal of chaff will increase the yield of the scutched flax due to maintaining long-fibre complexes.

1 cl, 3 dwg