procedimento para a produção de partes plásticas e máquina para a realização do processo

Procedure for production of parts (6, 8), preferably of plastic, in a tool equipped with a stationary mould part (1), a movable mould part (2) and at least one turnable middle section, turnable about an axis perpendicular to the closing direction of the tool, said middle section (3) having a cross-section with an outline of a regular polygon with pairs of opposite placed mutually parallel surfaces, the tool having an open position and a closed position, in which latter position one of the pairs of mutually parallel surfaces of the turnable middle section is placed at a right angle to the closing direction of the tool and another pair of mutually parallel surfaces of the turnable middle section is not placed at a right angle to the closing direction of the tool. The turnable middle section (3) is supplied with material on at least one of the surfaces of the turnable middle section (3), which is not placed at a right angle of the closing direction of the tool, by moulding a part or a piece of a part (6 and 8) on at least one of these surfaces of the turnable middle section.