Wheel in which heterogeneous material is inserted
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United States of America Patent
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Apr 10, 2018
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N/A
app pub date -
Jun 18, 2014
filing date -
Aug 9, 2013
priority date (Note) -
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Abstract
A wheel includes a primary ring having a stepped core part and a tire formed of a urethane material as an outer surface thereof, and an auxiliary ring provided on a circumferentially-central portion of the primary ring, on which the tire is provided, in an insertion manner. The primary ring is formed of a plastic material, and the auxiliary ring is formed of a metallic material that is different from the material of the primary ring.
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