Patent ID: 6523278
Filing Date: 2003-02-25
Classification: D21F

Abstract:
A dryer section for drying a web (W) in a paper machine, comprising:at least one dryer group (R) that makes use of at least one of a single-wire draw and a twin wire draw, wherein said at least one dryer group (R) comprises: at least one suction roll (10) structured and arranged to be in direct contact with the web (W) to be dried, wherein the at least one suction roll (10) comprises: a mantle having a fine surface construction, whereby when the web (W) to be dried is passed over the at least one suction roll (10) the web (W) is not damaged; and an impingement drying equipment (20) operatively coupled to said at least one suction roll (10), whereby said impingement drying equipment (20) is structured and arranged to dry the web (W); and wherein the suction roll (10) is provided with a coating which is permeable to air.