A METHOD FOR INSTALLING A COLLAR AND A CONDUIT COLLAR

摘要

The invention relates to a method for installing a collar and conduit collar (3) of the concrete and stone structures to be used in industrial construction work. It is essential for the invention that conduit collar (3) includes at least one rib (1, 2) larger than the diameter of the hole (5). At least one rib (1, 2) is inserted to the hole (5).