Patent ID: 6554964
Filing Date: 2003-04-29
Classification: D21F

Abstract:
A shoe press for treating a traveling web of paper or board, comprising:first and second press elements arranged to form an extended nip therebetween in which the web is pressed, the first press element comprising a press shoe movable along a pressing direction toward and away from the second press element, an impermeable belt arranged to travel in an endless loop and make sliding contact with a pressing surface of the press shoe, and a power transmission member structured and arranged to urge the press shoe in the pressing direction toward the second press element to press the web in the nip; and a shoe support device comprising a first support element arranged such that a support surface of the first support element faces an opposing support surface of the press shoe with a space being defined between said support surfaces, the shoe support device further comprising a second support element in the form of at least one rolling body arranged in the space between said support surfaces and in rolling contact with said support surfaces such that upon movement of the press shoe relative to the second press element the at least one rolling body rolls along said support surfaces and rotates about an axis of rotation that moves relative to and in the same direction as the press shoe.