Formdel, formenhed samt fremgangsmåde til at lukke en formenhed

摘要

An inventive mould part (1a) comprises:
- a surface with a mould opening (2a);
- a first arm (22) with a connecting means for connecting a first (12) pulley, the first arm (22) being pivotably attached to a first attachment point (24) of the mould part (1a);
- a second arm (28) with a connecting means for connecting a second pulley (18), the second arm (28) being pivotably attached to a second attachment point (30) of the mould part (1a);
wherein the second arm (28) is arranged to be locked in at least two different turning positions.