Device for continuous drying of a pulp sheet

Paper making and fiber liberation – Apparatus – With heat exchange means

Reexamination Certificate

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Details

C034S114000, C034S115000, C034S116000, C034S122000, C034S273000, C034S269000

Reexamination Certificate

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07060163

ABSTRACT:
The invention relates to a device for continuous drying of a pulp sheet10,particularly a tissue web, with a drying drum1and an air circulating system. It is mainly characterised by the drying drum1having a shell12with a perforated cylinder20that is externally supported by radial bearing rings21.

REFERENCES:
patent: 3781957 (1974-01-01), Luthi
patent: 4184268 (1980-01-01), Christin et al.
patent: 4781795 (1988-11-01), Miller
patent: 4990751 (1991-02-01), Nous
patent: 5575080 (1996-11-01), Fleissner

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