Intermittently bonded nonwoven disposable surgical laminates

A - Human Necessities – 41 – D

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A41D 13/12 (2006.01) A41D 31/02 (2006.01) A61B 19/08 (2006.01) B32B 3/06 (2006.01) B32B 7/14 (2006.01) B32B 27/12 (2006.01) D04H 13/00 (2006.01) A61B 19/10 (2006.01)

Patent

CA 2391565

Disposable surgical drapes and gowns (10) exhibiting desirable softness, foldability, absorbency and breathability characteristics incorporating cluster bonded nonwoven laminates. Film layers (12) and nonwoven web layers (14) are secured together by spaced apart unbounded adhesive clusters (16). Each adhesive cluster includes a perimeterless grouping of discrete spaced apart adhesive droplets (18). A method and modified apparatus for making the cluster bonded laminates is also described.

L'invention concerne des champs opératoires et des blouses chirurgicales jetables (10) présentant les caractéristiques de douceur, de pliabilité, de pouvoir absorbant et de respirabilité recherchées, et constitués de stratifiés non-tissés liés par grappes. Des couches de films (12) et des couches de voiles non-tissés (14) sont fixées les unes aux autres par des grappes d'adhésif non reliées (16) et espacées. Chaque grappe d'adhésif est constituée d'un groupement périmétrique de gouttelettes d'adhésif séparées (18). Un procédé et un appareil modifié pour la fabrication de laminés liés par grappes sont également décrits.

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