Hard casting plates, especially for the spiral slide of a mountain pipe

摘要

1. Spiral chute, particularly in a refuse gravitation discharge tube, consisting of individual pipe sections (7) protecting the casing, providing for an abrasion resistant lining of alloyed white cast iron tiles for spiral chutes, characterized by arranging the alloyed white cast iron tiles (8) for the spiral chutes in a freely hanging manner immediately from the steel protective casing (7).