Non-marking web conveyance roller

Details Non-marking web conveyance roller Non-marking web conveyance roller

2005-04-26

2005-04-26

Jimenez, Marc (Department: 3726)

Roll or roller

With specific roller exterior surface structure

Surface projections, indentations, or slits

C492S030000, C492S058000, C492S054000, C029S895300, C029S895320, C226S193000

Reexamination Certificate

active

06884205

ABSTRACT:
A non-marking web conveyance roller has a generally irregular surface with a plurality of rounded up features that promotes superior venting of entrained air. The surface finish of the roller, formed by a thermal spray process, prevents the formation of impression and honing defects on the conveyed web.

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patent: 5997456 (1999-12-01), Butters et al.
patent: 6077207 (2000-06-01), Yokoyama et al.

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