Method of bonding fibrous webs and resulting products

Details Method of bonding fibrous webs and resulting products Method of bonding fibrous webs and resulting products

1974-12-27

1976-06-29

Whitby, Edward G.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

19161P, 28 1HF, 28 722F, 156580, 428296, B32B 3122

Patent

active

039665194

ABSTRACT:
Fibrous webs are bonded by passing through a nip comprising an anvil and a hammer vibrating at high frequencies in the presence of uncombined liquid. The liquid is moved within the web causing rearrangement and entanglement of the fibers resulting in improved web properties such as strength, drape, and softness. The nature of the rearrangement and entanglement may be varied to produce random or highly entangled webs having correspondingly varying properties. Other embodiments include the use of additional fibers or other materials in the liquid or in the web and the bonding of multiple layers.

REFERENCES:
patent: 3150416 (1964-09-01), Such
patent: 3304593 (1967-02-01), Barklund
patent: 3324527 (1967-06-01), Such
patent: 3746589 (1973-07-01), Reinke

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