Core unit for use in a mold serving for production of hollow blocks comprises at least one core and a core holder which on its top side has at least one depression

摘要

The core unit (13) for use in a mold serving for production of hollow blocks, in particular, concrete blocks comprises at least one core (6) and a core holder (1) which on its top side (4) has at least one depression (5) at which the core holder is welded to the core carrier plate (8a, 8b).