A - Human Necessities – 44 – B
Patent
A - Human Necessities
44
B
A44B 18/00 (2006.01) A61F 13/62 (2006.01)
Patent
CA 2148946
(see fig.I) The invention is a hook fastening material for use with a complementary loop fastening material, which hook fastening material has from about 1600 to about 2500 prongs per square inch and is substantially non-abrasive and non-irritating to human skin. In one embodiment the hook fastening material has prongs with an engaging means at an angle of about 90° to about 160° relative to the extension of the perpendicular to the plane of the substrate. In another embodiment the hook fastening material is formed on a compressible substrate. In still another embodiment the hook fastening material has prongs made of an ethylene vinyl acetate based polymer or a polyethylene based polymer. Methods for making such hook fastening materials and articles of use are also disclosed.
(Voir fig. 1) L'invention porte sur un matériau de fixation à crochets qui s'utilise avec un matériau de fixation à boucles complémentaire. Le matériau à crochets comporte environ de 1 600 à 2 500 crochets par pouce carré et est essentiellement non abrasif et non irritant pour la peau d'une personne. Dans un modèle, le matériau à crochets comprend des crochets présentant des éléments d'engagement placés à un angle de 90 à 160 degrés environ relativement au prolongement de la perpendiculaire au plan du substrat. Dans un autre modèle, il est formé sur un substrat comprimable. Dans un autre modèle encore, il comporte des crochets faits d'un polymère à base d'acétate d'éthylènevinyle ou d'un polymère à base de polyéthylène. L'invention divulgue également les méthodes de fabrication de tels matériaux de fixation à crochets et d'articles d'utilisation.
Goulait David Joseph Kenneth
Thomas Dennis Albert
Sim & Mcburney
The Procter & Gamble Company
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