Foldable tire, method and use
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 13, 2018
Issued Date -
N/A
app pub date -
May 15, 2013
filing date -
May 24, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A collapsible tire for a passenger vehicle, comprising at least one carcass reinforcement optionally associated with an inextensible crown reinforcement, itself radially on the inside of a tread, two beads and two sidewalls, said beads comprising at least one inextensible circumferential reinforcing element called a bead wire, said bead wire defining, when free of any stress, a mean line forming a substantially circular closed curve in a circumferential plane, wherein the invention is characterized in that the bead wire of each bead is flexible, wherein after the tire has been collapsed, the mean line of the bead wire simultaneously defines a first curvature, and a second curvature, the first and second curvatures being connected together by a third connecting curvature, the projection of said first, second and third curvatures of the collapsed tire onto an axial plane defining the two-dimensional envelope by way of a total perimeter P of less than or equal to [3×(2H+A)], H being the height of the sidewall and A the width of the tire, and a collapsing method for the tire.
First Claim
Other Claims data not available
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- B60C Class
- 0 % this patent is cited more than
- 7 Age
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