METHOD OF MANUFACTURING ABSORBING CORE, WHICH HAS MULTITUDE OF FIRST AREAS AND SECOND AREA, SURROUNDING EACH OF FIRST AREAS Russian patent published in 2013 - IPC A61F13/15 

Abstract RU 2494713 C2

FIELD: medicine.

SUBSTANCE: invention relates to hygienic absorbing products and, in particular to sanitary absorbing towels, which possess improved characteristics of air-permeability, temperature and moisture control, and it also relates to method of manufacturing absorbing core for application in said products. Method of manufacturing structure of absorbing core of hygienic product includes the following stages: providing fibrous cellulose; support of fibrous cellulose in chamber; installation of mould into rotating forming drum, with mould having first porous part and centrally located non-porous part; rotation of mould on rotating forming drum until mould comes into interaction with chamber; pulling fibrous cellulose into mould in such a way as to form core, which has multitude of first areas and second area, with each of said first areas being located at a distance from other first areas, and each of first areas being completely surrounded with second area; pushing out core structure from mould; and transfer of core structure through calendar roller in order to compress core structure until multitude of first areas and second area acquire similar thickness.

EFFECT: improvement of characteristics of air-permeability, temperature and moisture control.

6 cl, 12 dwg

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Authors

De Karval'Ju Anton'Ju Karlos Ribejru

Duarte Ivair Luis

Salles Marija Marsija R. Kal'Das

Fazholli Marsija Ehlena Tejshejra

Rimoli Fransisku Anton'Ju

Dates

2013-10-10Published

2009-08-05Filed