Patent ID: 7611608

Claim:
A press belt in a press comprising a rotatively traveling endless press belt and pressing means located inside the periphery and/or outside the periphery of said press belt, said press belt including terminal corresponding areas corresponding to both ends of said pressing means in the cross direction and a central area located between said terminal corresponding areas, and mainly composed of thermosetting polyurethane obtained from a thermosetting polyurethane material containing a phenylene isocyanate derivative having an isocyanate group (NCO) on an end and a hardener having an active hydrogen group (H) on an end, wherein the equivalent ratio (H/NCO) between said active hydrogen group (H) and said isocyanate group (NCO) is set relatively high on said terminal corresponding areas and relatively low on said central area, wherein the value of said equivalent ratio (H/NCO) is at least 1.01 and not more than 1.14 on said terminal corresponding areas and at least 0.85 and less than 1.08 on said central area.