Footwear reinforcement
AssigneeDunlop Limited a British Company
InventorRobert Harrington
Life of this patent
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Abstract
An article of footwear comprises an upper, a flexible metal midsole and an outsole. Between the flexible metal midsole and the outsole is located an internal arch-reinforcement member or "digging-plate". The "digging-plate" may be made of a rigid plastics material, suitably a fibre-reinforced plastics material.
Claims7
In a footwear article suitable for heavy duty outdoor use consisting of an upper attached to an outsole member and a flexible metal midsole member secured between said upper and said outsole member, the improvement which comprises securing an additional arch-reinforcement member within the sole between said flexible metal midsole member and said outsole member so as to strengthen the sole in the area contacted by a shovel when the wearer is using a shovel for digging.
Dependencies are inferred from the claim text.