Paper making and fiber liberation – Apparatus – Running or indefinite length product forming and/or treating...
Patent
1984-04-16
1985-11-12
Smith, William F.
Paper making and fiber liberation
Apparatus
Running or indefinite length product forming and/or treating...
162344, D21F 102, D21F 104
Patent
active
045526192
ABSTRACT:
The outer walls of the beams of a papermachine headbox are heated by means of heat transferred from the stock to a temperature equal to that of the inner walls in contact with the stock. This is preferably carried out so that the liquid which is circulated in a closed liquid circulation through liquid spaces adjoining the outer walls, is caused to be in indirect heat transfer contact with the stock.
REFERENCES:
patent: 3468756 (1969-09-01), Villa
patent: 4455197 (1984-06-01), Croteau et al.
Laitinen Sakari
Nyman Tapani
A. Ahlstrom Osakeyhtio
Hastings K. M.
Smith William F.
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