F - Mech Eng,Light,Heat,Weapons – 26 – B
Patent
F - Mech Eng,Light,Heat,Weapons
26
B
34/22
F26B 13/06 (2006.01) B65H 71/00 (2006.01) D21F 5/02 (2006.01)
Patent
CA 1063343
CYLINDER DRYER FOR PAPER MACHINES Abstract of the Disclosure A cylinder dryer for incorporation in the first part of the dryer section of a paper machine, comprises a multiplicity of heated cylinders that are arranged at two substantially parallel levels, the wet sheet during the drying process travelling in loops up and down around the cylinders, at least some of which are fitted with hoods that cover part of their curved surfaces and comprise orifices for blowing hot air mainly perpendicularly on to the sheet travelling from one cylinder to another. The hoods are designed with extended wing members whose surfaces facing the wet sheet project parallel and in close vicinity to the wet sheet that travels unsupported between alternate cylinders, the said surfaces also being fitted with orifices for blowing streams of hot air parallel to the sheet in and opposite to its direction of travel, for the purpose of stabilizing the said sheet.
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