Rotating roller to shape moving webs

Details Rotating roller to shape moving webs Rotating roller to shape moving webs

2011-01-18

2011-01-18

Hong, John C (Department: 3726)

Roll or roller

With internal wedging expander

Reexamination Certificate

active

07871361

ABSTRACT:
A rotating roller imparts complex curvature onto a web of material. The roller includes a flexible outer surface and a plurality of control rings inside the rotating roller. The control rings are mounted coaxial to a central shaft and are disposed side by side along an axial length of the shaft. The outside of each ring supports a substantially circular slice of the flexible outer surface of the rotating roller. Each control ring defines a diameter that may be changed independent from the diameter of the other control rings.

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International Search Report and Written Opinion; International Application No. PCT/CA2007/001657; mailing date Feb. 7, 2008.

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