Non-woven webs and method for the dry production thereof

Details Non-woven webs and method for the dry production thereof Non-woven webs and method for the dry production thereof

1976-01-30

1978-05-23

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

19304, 156 622, 156283, 264121, 428372, 428402, 428426, 428443, D04H 158

Patent

active

040911616

ABSTRACT:
A nonwoven uniform web is formed from particulate material and a binding agent in a moving conveyor belt. The material is fed to the belt through a cowl in a random fashion and air is removed from the material; the layer of material is subsequently thinned by a peak removal device and is precalendered, rolled and then heated to activate the binding agent. The resulting web has similar mechanical properties in length direction and width direction, and has a high elastic recovery.

REFERENCES:
patent: 3328383 (1967-06-01), Roscher et al.
patent: 3413688 (1968-12-01), Sangesand et al.
patent: 3611508 (1971-10-01), Reinhall et al.
patent: 3905855 (1975-09-01), Blewett et al.

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