Sole-unit for protective footwear

Details Sole-unit for protective footwear Sole-unit for protective footwear

1979-08-08

1981-06-09

Kee Chi, James

Boots, shoes, and leggings

Soles

Laminated

36 32R, 36 72R, 36107, A43B 1312, A43B 1304

Patent

active

042716071

ABSTRACT:
A sole-unit for protective footwear comprising a prefabricated tread sole of a heat resistant plastic material, for example of nitrile rubber, with open-top cavities in the heel region and a steel plate inlay in a region directly beneath the inner sole of the upper shoe.

REFERENCES:
patent: 1566364 (1925-12-01), Blair
patent: 3553857 (1971-01-01), Pettit et al.
patent: 4044479 (1977-08-01), Brutting

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