Head box for a wet forming process of fiber web, has a vane pivot received in a journalling groove of assembly bar forming rigid joint between vane, anchoring element.

摘要

An assembly bar (23) has a protrusion (24) received in an engagement groove (11) of an anchoring element (10) to form a rigid joint and a journalling groove (25). The groove (25) arranged at a distance from the anchoring element, receives a pivot (16) of a vane (14) arranged in the headbox. Independent claims are also included for the following: (a) a vane mounting arrangement for a headbox; (b) a vane mounting method.