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US 11,059,332 B2Granted
Foldable tire
AssigneeInnova Rubber Co., Ltd.
InventorHsi-Ming Hsieh
Life of this patent
Estimating the term…
Abstract
A foldable tire includes a tire main body provided at two edges thereof with two tire beads respectively. A plurality of rings are disposed in each of the tire beads. Each of the rings has a reinforcing core, which includes a plurality of flexible steel filaments helically entwined with each other and has a diameter ranging from 0.2 millimeters to 0.5 millimeters, and a cladding layer clothing the reinforcing core, so that the reinforcing cores located in each of the tire beads are separated from each other.
Claims4
A foldable tire comprising:
- a tire main body provided with a tire bead at each of two edges thereof;
- and
- a single rope disposed in each of the tire beads, each said rope consisting of either three or four circumferential windings, each said rope having a reinforcing core, which comprises a plurality of steel filaments helically entwined with each other, and a cladding layer sheathing the reinforcing core in a way that each of the windings of each of the ropes comprises a section of the reinforcing core and a section of the cladding layer, and the sections of the reinforcing core of the windings of each of the ropes are separated from each other;
- wherein the number of steel filaments in the plurality of steel filaments is between 20 and 30;
- wherein the reinforcing core has a diameter ranging from 0.2 millimeters to 0.5 millimeters;
- and
- wherein in each of the tire beads the sections of the cladding layer of the windings of the rope contact with and adhere to each other.
4 more elements
Dependencies are inferred from the claim text.