Boots – shoes – and leggings – Soles – Cushion
Patent
1997-03-07
1999-02-02
Kavanaugh, Ted
Boots, shoes, and leggings
Soles
Cushion
36 44, A43B 1320
Patent
active
058649689
ABSTRACT:
A shoe with an improved cushioning insole containing perfluoropolyether. The perfluoropolyether resists breakdown, extending the useful life of both the insole and the shoe. Preferably, the insole contains both low- and high-viscosity perfluoropolyethers as well as a gas to enhance shock-absorbing capabilities.
REFERENCES:
patent: 4227320 (1980-10-01), Borgeas
patent: 5663127 (1997-09-01), Flynn et al.
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