Concrete finished shaft part for shaft structures useful for for concrete shafts and pipelines has reinforcing device at inner ring surface of bell sleeve (sic) and load equalizing load transfer element

摘要

Concrete finished shaft part for shaft structures (7) with an axially projecting collar (12) with an outer ring surface (9) and inner ring surface (2) moved back from ring surface (9), a bell sleeve (5)(sic), reinforcing device (11) at inner ring surface (2), and load equalizing load transfer element (1). Independent claims are included for:preparation of the part, e.g. by casting in a mold; #a reinforcing element.