Patent ID: 6027614
Filing Date: 2000-02-22
Classification: B31F

Abstract:
A stepped creping blade for creping a cellulosic web from a moving surface by engaging the stepped creping blade substantially against the moving surface; said stepped creping blade comprising;an elongated body, said elongated body having a front engaging surface for engaging said moving surfaces, an upper creping surface for creping the web, and a back surface; said upper creping surface including a substantially planar top initial crepin surface having a width of 20% to 60% of a total width of the stepped creping blade for initially the web and a recessed surface, said recessed surface including a side surface having a depth from 30% to 300% of said width of said top surface and a bottom subsequent creping surface for creping the web after the web is creped by said top initial creping surface with said side surface extending substantially parallel to said front engaging surface and substantially perpendicular to said bottom subsequent creping surface with said top initial creping surface extending substantially perpendicular to said front enaging surface.