Apparatus for the manufacture of fibrous webs

Details Apparatus for the manufacture of fibrous webs Apparatus for the manufacture of fibrous webs

1979-08-27

1982-03-16

Hall, James R.

Plastic article or earthenware shaping or treating: apparatus

Air felting type shaping means

Means forming running length product

B29D 700

Patent

active

043198708

ABSTRACT:
Apparatus for manufacture of fibrous webs including means to spray adhesive binder particles onto a fibrous web supported on a forming wire includes spray heads in a spray booth through which the wire passes, and a pair of baffles extending transversely of the plane of the web, at opposite sides thereof. The baffles and portions of the booth are relatively closely spaced from the web, to form elongate openings below the plane of the web. A suction box having an opening beneath the web and forming wire draws air through the web and wire in a pair of flow paths that lead upwardly through the elongate openings between the baffles and the web, then downwardly through the web and the wire. The air drawn upwardly between the baffles and the web prevents sprayed-on particles of binder material near sides of the web from escaping and contaminating adjacent portions of the apparatus.

REFERENCES:
patent: 3765971 (1973-10-01), Fleissner
patent: 3825381 (1974-07-01), Dunning et al.

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