Forming fabric having a nonwoven surface coating

Details Forming fabric having a nonwoven surface coating Forming fabric having a nonwoven surface coating

1990-11-09

1991-12-31

Robinson, Ellis P.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

162348, 162351, 162DIG1, 428237, 428240, 428283, 428245, 428246, 428247, 428280, 428282, 428198, 428300, 428143, 428147, 428323, 428327, 428255, 428292, 428293, 428294, 428236, 428233, 428296, 428373, 428395, 428481, D21F 110, B32B 508

Patent

active

050771167

ABSTRACT:
This invention is directed to an improved forming fabric for papermaking machines having a transverse nonwoven sheet contact layer adhered to a base fabric layer, the fluid flow passageways between adjacent structural members in the nonwoven sheet contact layer being smaller than the fluid flow passageways in the adjacent base fabric layer and in fluid communication with the nonwoven sheet contact surface or the nonwoven surface adjacent to the base fabric or both. The sheet contact layer may be comprised of fibers, filaments, monofilaments, open cell foam or the like.

REFERENCES:
patent: 3617442 (1971-11-01), Hurschman
patent: 4151323 (1979-04-01), Christie
patent: 4283454 (1981-08-01), Buchanan
patent: 4357386 (1982-11-01), Luciano et al.
patent: 4439273 (1984-03-01), Curry
patent: 4541895 (1985-09-01), Albert
patent: 4571359 (1986-02-01), Dutt
patent: 4601942 (1986-07-01), Finn et al.
patent: 4657806 (1987-04-01), Dutt
patent: 4752519 (1988-06-01), Boyer et al.
Anonymous "Research Disclosure" No. 189, pub. Jun. 180, Abstract #18923.

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