Tube-incorporated tire
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United States of America Patent
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-
Jan 6, 2004
Grant Date -
Jun 6, 2002
app pub date -
Dec 14, 1999
filing date -
Dec 26, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a tube whose internal space is partitioned by a partition wall to formed an air chamber filled with air and a sealant chamber filled with a sealant, the ratio R (R=B/A) of the length B of an outer circumference of the tube accommodated in the tire and expanded by filling of air to the length A of an outer circumference of the tube in an unexpanded is set in a range of 100% to 110%. Thus, the tension of the partition wall at the time when the tube has been expanded is suppressed to a small extent. Even if the partition wall of the tube gets a punctured wound, the partition wall having only a small tension applied thereto has a weak tendency to be intended to be contracted toward the air chamber. Therefore, little, if any, of the air in the air chamber flows into the sealant chamber and thus, a reduction in sealing performance of the sealant due to the mixture with the air is prevented.
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