Refining element for refining fibres, in particular papermaking fibres, and refiner with such a refining element

摘要

The element has a set of projected blades or teeth (5) on an active surface. The blades or teeth are oriented with each other within a zone area (6) of the active surface in parallel manner. The blades or teeth are fixed on a movable or fixed disc plate (1) of one of a set of active parts of the element. The element is made of a sheet that is issued from rolling equipment and is cut based on the desired shape of the element, where the sheet is made of steel such as stainless steel. A circular crown (3) is coaxial with a part of a spacer (2) and a part of the plate, and is made from the sheet.