Nova Patents
AU1237399A

Method for producing calendered paper

Abstract

A method and apparatus for producing calendered paper by an on-line manufacturing system comprising at least a paper machine and a multi-nip calender. The method comprises following steps: removing water from a formed paper web by pressing, drying the pressed paper web by at least one dryer, calendering the dried web by the multi-nip calender, measuring a cross-machine moisture profile or a variable relative thereto, and altering the moisture of the web so that the moisture profile of the web in the cross-direction is even when the web enters the first nip of the calender.

Term

Term ended

Projected expiry passed 13 November 2018, 7.9 years ago.

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18 members in 8 offices

This recordMember, by publication datePriority claim

Priority claims8

Priority claims
DocumentOfficeKindDate
6598097United States of AmericaP
6598097United States of AmericaP
9800895FinlandW
9800895FinlandW
60065980–––
PCTFI9800895–––
US19970065980P–––
WO1998FI00895–––

Members18

Family members, oldest first
DocumentOfficeKind
CA2309656A1CanadaA1
WO9925922A1World Intellectual Property Organization (WIPO)A1
AU1237399AThis recordAustraliaA
EP1030945A1European Patent Office (EPO)A1
US6264792B1United States of AmericaB1
JP2001523775AJapanA
EP1482089A1European Patent Office (EPO)A1
EP1030945B1European Patent Office (EPO)B1
AT287987TAustriaT
ATE287987T1AustriaT1
DE69828812D1GermanyD1
DE69828812T2GermanyT2
EP1482089B1European Patent Office (EPO)B1
AT327375TAustriaT
ATE327375T1AustriaT1
DE69834675D1GermanyD1
DE69834675T2GermanyT2
CA2309656CCanadaC