System for the assembly of transoms and mullions of curtain wall type facade

摘要

The system has detachable connection units (8) for connecting sash sections (2, 3) of a fixed horizontal crossbar (1) in a back-to-back manner. The connection units respectively include sealed interlocking units (11) to interlock the sections via connection pieces (12), where the pieces are respectively engaged in grooves of the sections. Each connection piece adopts a shape of a rigid section comprising two opposite branches engaged in the respective grooves. The interlocking units include a sealing joint longitudinally surrounding the branches of each piece.