Manufacture of fibrous web structures

Details Manufacture of fibrous web structures Manufacture of fibrous web structures

1973-10-19

1976-02-24

Newton, Dorsey

Textiles: fiber preparation

Assembling

Formed silvers

156166, D01G 2500

Patent

active

039395324

ABSTRACT:
Fibrous web structures in which the individual fibers are uniformly felted in random orientation are produced by projecting a stream of solids suspended in air toward a moving porous collection surface. The fibers are maintained in a controlled condition uniformly dispersed in air during transit from the nozzle to the porous collecting surface and before the stream of air has spread to the point of disrupting the uniform fiber dispersion, the fibers are felted and collected on the porous support while air is continuously passed through the support to insure no gravity free fall of fibers. Liquid or dry adhesive binders may be incorporated into the structure at any convenient stage of the process but preferably before the web structure is formed on the moving support.

REFERENCES:
patent: 2703441 (1955-03-01), Langdon etal.
patent: 3071822 (1963-01-01), Meiler
patent: 3475791 (1969-11-01), Brewster et al.
patent: 3740797 (1973-06-01), Farrington

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