Process for the manufacture of non-woven structures

Details Process for the manufacture of non-woven structures Process for the manufacture of non-woven structures

1978-02-16

1980-02-12

Rimrodt, Louis

Textiles: fiber preparation

Assembling

Formed web

28107, 28112, 156204, D04H 144, D04H 146

Patent

active

041875869

ABSTRACT:
In the manufacture of non-woven fabrics waste material is avoided by determining the distribution of the weight per square unit of both border zones of a non-woven and by folding thereafter a part of the thinner border zone toward the inner part so that the resulting non-woven has a uniform distribution of weight per square unit. Especially in the case of non-woven fabrics made from slightly extensile material or having border zones which shall not be stretched, the web is guided at an angle about in the middle of the folding zone, the angle being inclined towards that level towards which the border zone is folded; non-woven fabrics with very uniform distribution of weight per square unit are thereby obtainable.

REFERENCES:
patent: 3339245 (1967-09-01), Bryan, Jr.
patent: 3856612 (1974-12-01), McGinnis, Jr.
patent: 4081305 (1978-03-01), Patin

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