Patent Number: 6,167,639

Title: Puncture resistant insole

Abstract: An improved sole or insole for providing puncture resistance in boots and other types of shoes includes multiple layers of a tightly woven, puncture resistant fabric, formed from high tensile strength synthetic or polymeric fibers, such as Kevlar.RTM., a polyaramid. The layers of puncture resistant fabric generally are not bonded together or adhered together by adhesives or the like. The layers of puncture resistant fabric may be secured together along the outer peripheries thereof, or they may be secured within a pocket formed from a covering material, such as foam, or in a pocket formed between an inner and outer sole of the boot or shoe.

Inventors: Ventura; George (Shawnee, KS)


International Classification: A43B 7/32 (20060101); A43B 13/12 (20060101); A43B 17/04 (20060101); A43B 13/02 (20060101); A43B 17/00 (20060101); A43B 013/38 (); A43B 013/12 ()

Expiration Date: 01/02/2018