Puncture resistant insole for safety footwear

Details Puncture resistant insole for safety footwear Puncture resistant insole for safety footwear

1992-10-06

1994-02-15

Sewell, Paul T.

Boots, shoes, and leggings

Insoles

Laminated

36 43, 36 73, A43B 1338

Patent

active

052855830

ABSTRACT:
A protective insole for use in safety footwear comprising a protective layer composed of plastic and including a flexible forepart portion having an insole board bonded to its bottom surface and a fabric liner bonded to its top surface during the process of molding the protective plastic layer. A fabric mesh may be embedded in the plastic layer for reinforcement. A further embodiment provides a steel forepart plate anchored to a plastic shank and heel about the region of greatest flexure.

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patent: 4296053 (1981-10-01), Doerer et al.
patent: 4522777 (1985-06-01), Peterson
patent: 4782605 (1988-11-01), Chapnick
patent: 5123180 (1992-06-01), Nannig et al.

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