Cold weather footwear

Details Cold weather footwear Cold weather footwear

1987-03-11

1989-07-11

Meyers, Steven N.

Boots, shoes, and leggings

Boots and shoes

36 4, 36 43, 36 55, A43B 110, A43B 1338, A43B 2307

Patent

active

048458627

ABSTRACT:
Cold weather footwear includes at least three assemblies: an inner preformed sock comprised of inner and outer fabric layers and an intermediate open cell polyurethane foam layer enabling moisture transmission through the preformed sock; an insole assembly including a first layer formed of a moisture retaining or accumulating fabic, separable foam and intermediate sheet plastic non-moisture permeable plastic, and an underlying layer of closed cell thermally insulating foam for disposition between the inner sock and the sole of the boot; and a boot having a sole and a shell formed integrally with the boot, the shell being backcoated with a plastic material and coated with a water repellent. The footwear has adequate thermal insulation and moisture vapor transport characteristics, while affording good wind resistance and water repellency.

REFERENCES:
patent: 3449844 (1969-06-01), Spence
patent: 3618232 (1971-11-01), Shnuriwsky
patent: 3691658 (1972-09-01), DiPerno et al.
patent: 3694940 (1972-10-01), Stohr
patent: 4170802 (1979-10-01), Roy
patent: 4333192 (1982-06-01), Stockci et al.
patent: 4461099 (1984-07-01), Bailly
patent: 4575956 (1986-03-01), Paris
patent: 4665576 (1987-05-01), Limbach
patent: 4689899 (1987-09-01), Larson et al.
patent: 4709490 (1987-12-01), Fottinger et al.
patent: 4729179 (1988-03-01), Quist, Jr.
patent: 4946193 (1976-03-01), Giese
"Fieldbook" of Boy Scouts of America, pp. 46, 47, 78-89, 336, 337, Third Edition, 1984.

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