PERFECCIONAMIENTOS EN LAS PRENSAS DE ABERTURA PROLONGADAS ENMAQUINAS DE FABRICAR PAPEL

摘要

An extended nip press for removing water from a traveling web in a paper machine including a press roll wth an elongate shoe having a concave surface facing the roll and forming an extended nip therebetween with an endless belt trained over the shoe for passing through the nip and first and second belts passing through the nip with the belt supported by a plurality of guide rolls or by an annular shell having continuous smooth outer surface extending from the outgoing side of the nip back to the oncoming side of the nip with a beam within the shell and a uniform fluid support for the shoe supported on the beam.