The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 07, 2020
Filed:
Jul. 16, 2014
Milliken & Company, Spartanburg, SC (US);
Yunzhang Wang, Duncan, SC (US);
Thomas E. Mabe, Spartanburg, SC (US);
Milliken & Company, Spartanburg, SC (US);
Abstract
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 μm or less.