Device and process for improved scouring efficiency

Details Device and process for improved scouring efficiency Device and process for improved scouring efficiency

2005-01-11

2005-01-11

Mills, Gregory (Department: 1763)

Etching a substrate: processes

Nongaseous phase etching of substrate

Relative movement between the substrate and a confined pool...

C134S102100, C134S184000

Reexamination Certificate

active

06841083

ABSTRACT:
A device for scouring a coating from a fibrous material includes a tank for immersing a plurality of fibers in scouring solvent therein. The device also includes a bubbling device positioned therein and having a chamber formed between a base plate and a cover plate with a plurality of holes. The plurality of fibers is mounted within the tank above the cover plate and holes of the bubbling device, so that gas bubbles produced thereby move through the scouring solvent and through the plurality of fibers. The holes are arranged in a pattern on the cover plate that corresponds to a shape assumed by the plurality of fibers when mounted within the tank. A process for scouring a coating from a fibrous material is also disclosed and involves immersing a plurality of fibers in a scouring solvent and producing a plurality of gas bubbles that move through the solvent and the plurality of fibers. The process also involves arranging and mounting the plurality of fibers to assume a shape that corresponds to a pattern formed by the plurality of holes.

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