grates to cover a einlauföffnung in road construction

摘要

the grille (1) consists of a series of querelementen (2), each of which has a central hole (11) and at each end and on each side of a flat surface (5) for installation at an adjacent querelement contains. the querelemente by axial faces (8) against the tense, the axial holes of the querelemente crosses.in the vorbeibewegung of rolling loads sliding surfaces (5) together and ensure that at least four effective bases of the lattice which prevent tilt.