AN APPARATUS AND METHOD FOR FORMING AIR-LAID ABSORBENT CORES

An apparatus for forming air-laid absorbent cores, having a first and second mat-forming wheel, each of the mat-forming wheels having a series of moulds along its peripheral surface, air-laying means for supplying air-entrained fibrous material to the moulds, suction means maintaining the formed cor...

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Bibliographische Detailangaben
1. Verfasser:	EDVARDSSON, GUNNAR
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS BRAIDING COTTON-WOOL DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE KNITTING LACE-MAKING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL MEDICAL OR VETERINARY SCIENCE NATURAL OR ARTIFICIAL THREADS OR FIBRES NON-WOVEN FABRICS ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PERFORMING OPERATIONS PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING PROSTHESES SPINNING TEXTILES TRANSPORTING TREATMENT OR PROTECTION OF EYES OR EARS TRIMMINGS WADDING
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Beschreibung
Zusammenfassung:	An apparatus for forming air-laid absorbent cores, having a first and second mat-forming wheel, each of the mat-forming wheels having a series of moulds along its peripheral surface, air-laying means for supplying air-entrained fibrous material to the moulds, suction means maintaining the formed core elements in their moulds during a part of the path of the moulds on the respective mat-forming wheel and means for transferring a core element on the second mat-forming wheel onto a core element on the first mat-forming wheel while the latter core element still is maintained in its mould, at least the air-laying means associated with the second mat-forming wheel having means for supplying a mixture of air-entrained fibrous material and discrete particles. The two mat-forming wheels form a nip between each other that the second core element will abut the first core element before transfer.