Method for dry forming a uniform web of fibers

Details Method for dry forming a uniform web of fibers Method for dry forming a uniform web of fibers

1981-04-28

1982-09-28

Hall, James R.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Bulk deposition of particles by differential fluid pressure

264121, B29J 500

Patent

active

043517935

ABSTRACT:
Method for the deposition of a uniform layer of dry fibers on a foraminous forming surface which comprises passing the fibers through a perforated wall having zones of different aperture sizes in order to provide an even cross-direction basis weight profile.

REFERENCES:
patent: 2925360 (1960-02-01), Roberts
patent: 2931076 (1960-04-01), Clark
patent: 3055597 (1962-09-01), Mund
patent: 3581706 (1971-06-01), Rasmussen
patent: 3792943 (1974-02-01), Helgesson
patent: 4157724 (1979-06-01), Persson

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