Puncture resistant insole

Details Puncture resistant insole Puncture resistant insole

1998-08-24

1999-12-07

Kavanaugh, Ted

Boots, shoes, and leggings

Insoles

Laminated

36 73, 36 30R, 36 4, A43B 1338, A43B 1312

Patent

active

059962550

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.

REFERENCES:
patent: 2495045 (1950-01-01), Woodbury
patent: 2865097 (1958-12-01), Vollrath, Jr. et al.
patent: 4651445 (1987-03-01), Hannibal
patent: 5390430 (1995-02-01), Fitchmun et al.
patent: 5804757 (1998-09-01), Wynne
patent: 5843851 (1988-12-01), Cochran

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