| 摘要 |
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. The forepart portion may be composed of plastic or may comprise a steel forepart plate anchored to a plastic shank and heel about the region of greatest flexure.
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