Device for web control having a plurality of surface features
AssigneeThe Procter & Gamble Company
InventorsVincent Kent Chan, Young Ho Chung, Hasan Eroglu
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Abstract
A papermaking apparatus having a machine direction, cross machine direction, and a z-direction. The papermaking apparatus also has a web stabilization device. The web stabilization device has a plurality of surface features that have a feature depth of greater than about 0.02″.
Claims23
A papermaking apparatus comprising a machine direction, cross machine direction, and a z-direction, the apparatus further comprising a web stabilization device, wherein the web stabilization device comprises a plurality of surface features;
- wherein the surface features have a feature depth of greater than about 0.02″.
A web stabilization device wherein the web stabilization device comprises a first surface and a second surface, and wherein the web stabilization device further comprises a plurality of surface features having a feature depth of greater than about 0.02″.
A web stabilization device wherein the web stabilization device provides a test system wall shear stress (lb/in2) of less than about:
- Wall Shear Stress=(5×10−7)(Web velocity)−5×104
- to an adjacent web with a web velocity of from about 2000 FPM to about 6000 FPM.
Dependencies are inferred from the claim text.