FIELD: personal use articles.
SUBSTANCE: invention is related to light, in particular shoe-making industry and is intended for prevention of shoe sole sliding in case of sleet and related injuries. Antiskid facility comprises tight reservoir arranged in the form of elastic shell and located in sole body. Tight reservoir is filled with working fluid that expands at negative temperatures. Reservoir is equipped with cog. Cog is located outside in lower part of shell. Extension of cog beyond sole plane takes place as working fluid volume increases at negative temperatures. Tight reservoir has shape of axisymmetric shell of rotation.
EFFECT: makes it possible to easily replace antiskid device in case of failure.
2 cl, 1 dwg
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