Elastic tab laminate

Elastic tab comprises a coextruded two-layer elastic film material (11) attached to a partially extensible non woven layer (15) which has portions (7) which have limited extensibility in one direction separated by inextensible portions (18). The extensible portions, when stretched to their extension...

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Bibliographische Detailangaben
Hauptverfasser:	NEDLIN BRANDT JOHNSON, MICHAEL REED GORMAN, SHOU-LU GRACE WANG, BRADLEY WAYNE EATON
Format:	Patent
Sprache:	eng
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PERFORMING OPERATIONS PROSTHESES TRANSPORTING TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	Elastic tab comprises a coextruded two-layer elastic film material (11) attached to a partially extensible non woven layer (15) which has portions (7) which have limited extensibility in one direction separated by inextensible portions (18). The extensible portions, when stretched to their extension limit, will recover at least 1.0 cm. to provide a tab having a useful stretch ratio of at least 30%, wherein the useful stretch includes the portion of elastic recovery length having a recovery force of greater than 20 gms/cm and the inelastic portion has an incremental extension of less than 300 to 350 gms/cm.