Patent ID: 6491793
Filing Date: 2002-12-10
Classification: D21F

Abstract:
An arrangement for fastening a turbulence vane in a headbox, which headbox has, for forming a stock flow, a slice chamber delimited by a plate, and in which headbox there are openings for the stock flow formed in the plate, as well as at least one continuous dovetail groove running parallel to the width of the headbox and located in the area between the openings in order to fasten a turbulence vane to the said plate on the slice chamber side, while a fastener, which is arranged to be fitted entirely into the said dovetail groove, is fitted to the turbulence vane at its rear edge, and which fastener forms a hinge member permitting the turbulence vane to turn, characterized in that in the base material of the turbulence vane a fastening retainer is formed, to which the said fastener, with a construction arranged to lock onto the fastening retainer, is fitted, and the fastening retainer is formed of drill holes, which are arranged in a row running in the direction of the width of the headbox, and the fastener is a coil spring, which is fitted in to the drill holes forming the fastening retainer, the coils of the coil spring forming the said construction.