| 摘要 |
PROBLEM TO BE SOLVED: To provide an inexpensive thermal insulation material for shoe insoles which brings no feeling of strangeness to feet and which is comfortable, hygroscopic, flexible, and durable in property. SOLUTION: This material is composed of four layers; a tricot with a thickness of 0.22 mm, an evaporated aluminum film with a thickness of 0.01 mm, a polyurethane foam with a thickness of about 2.0 mm, and a nylon with a thickness of 0.44 mm, which are bonded and integrated together. The evaporated aluminum film is attached with the aluminum face turned on the foot side. COPYRIGHT: (C)2010,JPO&INPIT
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