Process and apparatus for air forming an article having a...

Plastic and nonmetallic article shaping or treating: processes – Vacuum treatment of work

Reexamination Certificate

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C264S113000, C264S118000, C264S138000, C264S145000, C264S162000, C264S172190, C264S173100, C425S081100, C425S083100, C425S218000, C425S220000, C425S405100

Reexamination Certificate

active

06982052

ABSTRACT:
Process and apparatus for air forming an article having a plurality of superimposed fibrous layers. The layers are formed in substantially discrete forming chambers by depositing fibrous material on a forming surface which moves along an arcuate path through the chambers. A first layer is air-formed on the forming surface as the surface moves through the first forming chamber and a second layer is air-formed over the first layer as the surface moves through the second forming chamber.

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