Patent ID: 6309512
Filing Date: 2001-10-30
Classification: D21F

Abstract:
A pressing device for treating a continuous web of fibrous material, comprising:a press shoe having a concave surface;a generally cylindrical press body that rotates about a central longitudinal axis thereof, and a generally tubular sleeve that surrounds the press body and is rotatably driven to rotate therewith, the press body and the press shoe being arranged in opposing relation so as to form an extended nip therebetween through which the sleeve passes along with the web such that the web is pressed between the sleeve and the press shoe, the sleeve being movably connected to the press body such that the sleeve is free to expand in all directions relative to the press body;an endless impermeable belt arranged to travel through the nip in sliding engagement with the concave surface of the press shoe;an endless press clothing arranged to travel through the nip such that the web is disposed between the clothing and the impermeable belt; anda heat source arranged to continuously heat the sleeve such that heat is transferred from the sleeve to the web.