Web positioning device

Drying and gas or vapor contact with solids – Apparatus – With automatic control

Reexamination Certificate

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Details

C034S556000, C034S572000, C034S635000

Reexamination Certificate

active

06996921

ABSTRACT:
A web positioning device includes one or more ports positioned in or adjacent at least one platen of a gap drying system, wherein upon generation of a vacuum force through each port, movement of a web of material conveyed through the gap drying system is arrested by drawing a first face of the web of material into contact with a portion of the web positioning device immediately surrounding each port. A method for controlling movement of a portion of a web of material using the web positioning device is also presented.

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