Machine for drying webs, including suction and heat-contact cyli

Paper making and fiber liberation – Apparatus – Running or indefinite length product forming and/or treating...

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Details

34115, 34116, 34117, 34158, 34159, 162306, D21F 504

Patent

active

040000354

ABSTRACT:
A paper-making machine has a plurality of drying cylinders for removing moisture from a wet web. The drying cylinders are arranged so that some of them are located in an upper plane and are hollow and have their interior connected to a source of suction, and others are located in a lower plane and are heated to form contact heaters. An endless traveling carrier band is trained about these cylinders in such a manner that its one surface which carries the wet web faces away from the hollow cylinders as it travels about them and faces towards the heated cylinders as it travels about the latter.

REFERENCES:
patent: 2091805 (1937-08-01), Chuse
patent: 3237316 (1966-03-01), Sachs
patent: 3503139 (1970-03-01), Mahoney
patent: 3753298 (1973-08-01), Ely
patent: 3816941 (1974-06-01), Holik et al.
patent: 3874997 (1975-04-01), Kan Kaanpaa

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