Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valmet Automation Oy
Original Assignee
Neles Paper Automation Oy
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Filing date
Publication date
Priority claimed from FI992284Aexternal-prioritypatent/FI107065B/en
Application filed by Neles Paper Automation OyfiledCriticalNeles Paper Automation Oy
Publication of CA2323991A1publicationCriticalpatent/CA2323991A1/en
Application grantedgrantedCritical
Publication of CA2323991CpublicationCriticalpatent/CA2323991C/en
A steam box in a paper machine, the steam box comprising a main steam zone and at least one side steam zone through which steam is blown to a paper web. The side steam zone is placed in a side section of the steam box and arranged to form a curtain in order to prevent air from entering between the steam box and the paper web from outside the steam box and/or to prevent steam from exiting between the steam box and the paper web. Steam is supplied to the side steam zone from a steam chamber through a side steam zone valve arranged inside the steam box.
CA 23239911999-10-212000-10-20Steam box of a paper machine
Expired - Fee RelatedCA2323991C
(en)
A blow box to be used in the drying section of a paper machine and a method for tightening a pocket provided with blow box in the drying section of a paper machine