METHOD OF ROLLED COMPOSITE SLEEPERS PRODUCTION Russian patent published in 2009 - IPC B27M3/14 

FIELD: woodworking industry.

SUBSTANCE: invention relates to woodworking industry. The method implies mixing the feedstock mass with the proportion of wood pulp 80%, metal grits 10%, synthetic binding agent 10%. Then the mass is supplied to a common tube by compressed air and moved to a mixing chamber. The mass which is uniformly mixed by a screw and metal discs is supplied from the above chamber to a precompression chamber where its cross-section is formed. Afterwards the precompressed mass is moved to a final treatment unit where the cross-section is finally formed by milling cutters and forming rolls and a composite sleeper of strictly set length is cut off from the endless moving mass by a trimming saw; then the formed composite sleeper is supplied to a conveyor and moved for loading.

EFFECT: can be used in railway sleepers production.

1 dwg, 1 tbl