Patent ID: 6478066
Filing Date: 2002-11-12
Classification: B31F,Y10T

Abstract:
A corrugator unit comprising at least two rolls (1, 2) forming first and second rolls, having a toothed or corrugated surface (101, 202), and being mutually engaged and pushed against each other by a desired pressure or force, characterized in that a mutual compression between the first and the second rolls (1, 2) is exerted (4, 5, 106, 21, 22, 25, 26) over the whole axial length of the first and the second rolls (1, 2) wherein the second roll is supported on ends for being movable away from or towards the first roll for mutually engaging the first roll to exert the desired operative pressure and a cradle (106) is composed of a set of supporting belts (6), rotatable on themselves (7, 8, 9, 10), and arranged along the length of the second roll (2) to support the second roll (2), there being provided means (16, 17, 18, 19) for pushing the supporting belts (6) with a predetermined force towards compressing the second roll (2), in contact with the supporting belts (6), against the first roll (1).