Oil-heated roller
AssigneeThune-Eureka S/S
InventorsSven Barthel, Gunnar Eriksen
Life of this patent
Estimating the term…
Abstract
A roller having channels in the roller shell for a flow medium. The roller has an inner, tight, homogeneous shell, an outer shell, and intermediate ribs projecting out from the inner shell and sealed to both inner and outer shells to form the said channels.
Claims2
A roller having channels in the roller shell for a flow medium which affects the surface temperature of the roller, characterized by an inner, tight, homogeneous shell of sheet metal, an outer shell of sheet metal of about the same thickness as the inner shell, and intermediate ribs projecting out from the inner shell and welded to both the inner and outer shells to form the desired channels for the flow medium, the ribs running lengthwise along the roller shell, the outer shell being composed of longitudinal shell segments each of whose outer and inner surfaces are cylindrical, and each of which, in the direction of the roller's circumference, has a width which spans the space between two adjacent ribs.
Dependencies are inferred from the claim text.