Boots – shoes – and leggings – Insoles
Patent
1994-07-13
1996-03-19
Sewell, Paul T.
Boots, shoes, and leggings
Insoles
36 26, 428283, 4283202, A43B 1338, A43B 702, B32B 516/3/26
Patent
active
054994608
ABSTRACT:
A thermal barrier in the form of a base material with a plurality of microcapsules containing a phase change material forms an insulative pad, such as a shoe insole. The microcapsules are surroundingly encapsulated and embedded within the base material. In addition, substantially all of the microcapsules are spaced apart from each other, the space between neighboring adjacent microcapsules containing a phase change material. The microcapsules may be anisotropically distributed to further reduce thermal conductivity of heat through the thermal barrier.
REFERENCES:
patent: 4055699 (1977-10-01), Hsiung
patent: 4331731 (1982-05-01), Seike et al.
patent: 4513518 (1985-04-01), Jalbert et al.
patent: 4524529 (1985-06-01), Schaefer
patent: 4658515 (1987-04-01), Oatman
patent: 4756958 (1988-07-01), Bryant et al.
patent: 5366801 (1994-11-01), Bryant et al.
Bryant Yvonne G.
Colvin David P.
Cicconi BethAnne C.
Sewell Paul T.
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