So-called supercalender belonging to a paper machine

Abstract From the Canadian patent

So called supercalender belonging to a paper machine for burnishing the paper web, the calender comprising a number of hard metal rolls arranged upon each other to constitute a stack defining between themselves a plurality of hard nips and a substantially equal number of soft filled rolls arranged outwardly with respect to the stack of metal rolls to define a plurality of soft nips against the metal rolls the stack of metal, rolls including one top roll one bottom roll and at least two, intermediate rolls therebetween one of which is an upper intermediate roll situated next to the top roll and the other of which is a lower intermediate roll situated next to the bottom roll two of the filled …