Milliken + Co

Thomas E Mabe

Yunzhang Wang

An insole with puncture-resistant properties for safety footwear. The insole contains a repeating pattern of knit layer groupings and woven layer groupings where the knit layer groupings form the upper and lower surfaces of the insole. Each layer within the knit layer groupings and the woven layer groupings is adhesively bonded to the adjacent layers. The knit layer groupings contain at least two knit layers and the woven layer groupings contain at least two woven layers. Each woven and knit layer contains yarns or fibers having a tenacity of about 5 or more grams per denier in a knit configuration. Each woven and knit layer is impregnated on both sides and at least some of the internal surfaces with about 10 wt. % or less, based on the total weight of the layer, of a coating containing a plurality of particles having a diameter of about 20 &#x3bc;m or less.

Puncture resistant insole or footwear

A flexible spike and ballistics panel having a strike surface and a rear surface. The panel contains a strike face grouping and a rear face grouping, where the normalized stiffness of each strike face layer is about 3 to 50 times greater than the normalized stiffness of each textile layer. The strike face grouping contains at least two strike face layers, each strike face layer having resin and high tenacity yarns, where the high tenacity yarns are in an amount of at least 50% by weight in each layer, where the high tenacity yarns have a tenacity of at least 5 grams per denier, and where the strike face grouping forms the strike surface of the panel. The rear face grouping contains at least ten layers of a spike resistant textile layer, each textile layer having a plurality of interwoven yarns or fibers having a tenacity of about 5 or more grams per denier, where at least one of the surfaces of the spike resistant textile layer contains about 10 wt. % or less, based on the total weight of the textile layer, of a coating comprising a plurality of particles having a diameter of about 20 &#x3bc;m or less.

Flexible spike and ballistic resistant panel

A puncture resistant composite comprises a first textile layer and a second textile layer, each of which comprises a plurality of yarns or fibers having a tenacity of about 8 or more grams per denier. The layers are stacked so that the upper surface of the second textile layer is adjacent to the lower surface of the first textile layer. At least one of the lower surface of the first textile layer and the upper surface of the second textile layer comprises about 10 wt. % or less, based on the total weight of the textile layer, of a coating comprising a plurality of particles having a diameter of about 20 &#x3bc;m or less. The coating can also comprise a binder. The composite can also be used in combination with other puncture resistant and/or ballistic resistant materials or components. A process for producing a puncture resistant composite is also provided.

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Spartanburg, SC, United States of America

Thomas E Mabe