Drying cylinder for a paper making machine

Details Drying cylinder for a paper making machine Drying cylinder for a paper making machine

F - Mech Eng,Light,Heat,Weapons

26

B

34/23

F26B 13/18 (2006.01) B65H 71/00 (2006.01) D21F 5/02 (2006.01)

Patent

CA 1052565

DRYING CYLINDER FOR A PAPER MAKING MACHINE Abstract of the Disclosure The internal ribs of the drying cylinders are formed with cross-sections which are of parabolic shape or substantially parabolic shape in order to obviate any ad- ditional thermal stressing of the cylinder. The rib cross- sections are each situated in a zone bounded outwardly by a hexagon which consists of a rectangle of full rib width and a height equal to 0.75 times the rib height and an adjoin- ing trapezium having a width 0.65 times the maximum rib width at the top of the rib and inwardly by a pentagon of a width of 0.7 times the full rib width at mid-height of the rib and an apex at the maximum height of the rib.

252031

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