VERFAHREN UND VORRICHTUNG ZUM KONTINUIERLICHEN HERSTELLEN EINES BAHNFOERMIGEN SCHICHTMATERIALS AUS SCHAUMSTOFFTEILCHEN

摘要

A process for the continuous production of a sheeting of stratified material from synthetic resin foam particles especially particles of crosslinking polyethylene includes the steps of scattering foam particles onto a conveying means, preheating the foam particles during conveyance, superficially to a temperature in the range between 100 DEG and 160 DEG C.; thereafter feeding the thus-preheated foam particles to means defining a free falling zone; causing the preheated particle to free-fall within said zone; further heating the particles during falling, to a temperature of at least 200 DEG C., and, at the end of the free fall, piling up the particles on a support surface; compacting the piled-up particles into a sheet-like layer on said surface; and sizing the preliminarily compacted sheet with simultaneous cooling.