Production of fibrous sheet material

Plastic article or earthenware shaping or treating: apparatus – Air felting type shaping means

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Details

425 83, 425335, 425363, 425373, D21F 300

Patent

active

040110346

ABSTRACT:
Apparatus for consolidating a dry-laid web of fibers comprising means for moistening the web, a heated surface, a backing which holds the moistened web against the heated surface, and at least two spaced apart pressure rolls which press against the backing to define with the heated surface pressure nips to increase the pressure on the web against the heated surface at the nips and wherein the backing holds the web against the heated surface between the nips.

REFERENCES:
patent: 2480851 (1949-09-01), Goss
patent: 2489079 (1949-11-01), Clark et al.
patent: 2714081 (1955-07-01), Berrgon
patent: 3039137 (1962-06-01), Smith et al.
patent: 3531371 (1970-09-01), Jordansson
patent: 3776807 (1973-12-01), Dunning et al.
patent: 3832115 (1974-08-01), Ettel
patent: 3891376 (1975-06-01), Gersbeck
patent: 3932258 (1976-01-01), Brinkman
patent: 3938927 (1976-02-01), Brinkmann

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