Apparatus and method for introducing additives to fibrous produc

Details Apparatus and method for introducing additives to fibrous produc Apparatus and method for introducing additives to fibrous produc

1992-09-18

1993-08-03

Theisen, Mary Lynn

Plastic and nonmetallic article shaping or treating: processes

Formation of solid particulate material directly from molten...

With subsequent uniting of the particles

65 6, 65 14, 264 8, 264115, 264122, C03B 3704, D04H 172

Patent

active

052326381

ABSTRACT:
A method and apparatus for expanding the fiber column produced by a rotary fiber manufacturing unit and intermingling additive particles with the fibers. A rotating bell-shaped shell is mounted beneath the rotary disc of the manufacturing unit so that the lower portion of the shell is in the path of the fiber column, causing the column to be outwardly deflected. Additive particles are introduced from within or beneath the shell and are radially directed into the fiber column. Liquid binder may be introduced to the fibers and water may be directed onto the inner surface of the shell to cool the shell to prevent curing of binder coming in contact with the shell. The fibers may be glass fibers and the particles may be foamed resin, fibers or particles of various types.

REFERENCES:
patent: 4359444 (1982-11-01), Shah et al.
patent: 5100450 (1992-03-01), Cunningham
patent: 5123949 (1992-06-01), Thiessen

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