Patent ID: 6120649
Filing Date: 2000-09-19
Classification: D21G

Abstract:
Blade holder for creping of a web travelling on a rotating cylinder or for doctoring the surface of the cylinder, comprising a blade directed opposite to the travelling direction of the cylinder, a blade carrier for the blade, further comprising a pressure ledge extending along the whole length of the blade and arranged to exert a pressure at or adjacent to the upper longitudinal edge of the blade via pivotable pressure arms evenly distributed along the length of the ledge and arranged on the blade carrier to bring said edge to engagement against the cylinder, wherein each pressure arm is arranged to be individually actuated by a pressure means having a membrane for actuation of the pressure arm by means of a pressure medium, further comprising a blade carrier ledge provided with a groove or recess at the upper part thereof extending along the whole length of the blade carrier ledge and having a depth short of the width of the blade and widening outwardly so that the blade with its lower longitudinal edge contained in the groove or recess in the absence of exterior influence can tilt and move freely towards or away from the cylinder.