Safety tire and hollow ring body
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United States of America Patent
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Sep 14, 2010
Grant Date -
Feb 26, 2009
app pub date -
Mar 13, 2006
filing date -
Mar 14, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
It is to solve problems in a safety tire in which hollow particles also referred to as the foamable compositions are filled in the hollow ring-shaped partition wall and to provide a safety tire having a partition wall structure capable of sufficiently developing the function of the hollow particles.In a safety tire comprising a tire/approved rim assembly constructed by assembling the tire onto the approved rim, a hollow ring-shaped partition wall disposed inside the assembly to define a chamber extending in a circumferential direction along the rim, and thermally expandable hollow particles filled in the chamber and each consisting of a continuous phase of a resin and a closed cell(s), wherein the partition wall is provided with a filter selectively passing only a gas emitted when the hollow particles are thermally expanded.
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