Web coating machine

Details Web coating machine Web coating machine

2007-01-09

2007-01-09

Rinehart, Kenneth (Department: 3749)

Drying and gas or vapor contact with solids

Apparatus

Sheet, web, or strand

C034S447000, C034S572000, C034S648000, C034S658000, C034S408000, C034S449000, C034S468000, C034S469000, C034S073000

Reexamination Certificate

active

11185305

ABSTRACT:
A web coating machine for coating a web of material having first and second faces and a web travel path, the web coating machine including a tension zone in a portion of the web travel path, a fixed port structure over which the web travels, and a web positioning device including at least one gas flow port in the port structure capable of generating a vacuum that brings the first face of the web of material into contact with a portion of the port structure immediately surrounding one of more of the gas flow ports and reduces, retards or arrests longitudinal travel of the web of material through the web coating machine.

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