Fibrous web structure and its manufacture

Plastic article or earthenware shaping or treating: apparatus – Air felting type shaping means – Means forming stratified products

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Details

425 821, 425 831, B28B 500

Patent

active

043157211

ABSTRACT:
Apparatus for the deposition of a uniform web of dry wood pulp fibers on a forming wire in combination with melt blowing die means operable to deposit melt blown fibers on the web of dry fibers to strengthen the web. Means for depositing the webs comprise serially disposed sets of fiber distributors, and the die means is disposed between the sets of fiber distributors so that the melt blown fibers are deposited as separate layers on the finished web.

REFERENCES:
patent: 2845662 (1958-08-01), Clark
patent: 2958919 (1960-11-01), Palmer
patent: 3001242 (1961-09-01), Heffelfinger
patent: 3016599 (1962-01-01), Perry, Jr.
patent: 3024149 (1962-03-01), Manning
patent: 3837995 (1974-09-01), Floden
patent: 4014635 (1977-03-01), Kroyer
patent: 4064605 (1977-12-01), Akiyama et al.
patent: 4100324 (1978-07-01), Anderson et al.
patent: 4198460 (1980-04-01), Kiss

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