Title:
RUN-FLAT TIRE WITH THREE CARCASS LAYERS
Document Type and Number:
Japanese Patent JP3501859
Kind Code:
B2
Abstract:
PURPOSE: To assure extended operating efficiency (handling and durability) at higher speeds for longer distances by providing a self-supporting run-flat tire with three particular carcass layers.
CONSTITUTION: A middle carcass layer 62 having a portion turned up from inside to outside of each bead core 22 to surround each bead core 22 and a respective bead filler 24 is provided. An outer carcass layer 68 is provided which is disposed outside the middle carcass layer 62 and each carcass turned-up portion and which extends radially inward to at least one adjoining point axially outward of each bead core 22. Further, an inner carcass layer 64 is provided which extends inside the middle carcass layer 62 and below a crown portion 14 and which extends radially inwardly within each side wall 40 to at least one point adjacent to the axial inner side of each bead core 22 between first and second crescent-shaped reinforcing members 54, 56. The carcass layers 62, 64, 68 are each formed with a plurality of parallel reinforcing members.
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Inventors:
Walter, El. Willard, Jr.
Application Number:
JP31537094A
Publication Date:
March 02, 2004
Filing Date:
December 19, 1994
Export Citation:
Assignee:
Michelin Le Cherche et Technic Anonym
International Classes:
B60C9/02; B60C13/00; B60C15/00; B60C15/024; B60C17/00; (IPC1-7): B60C17/00; B60C9/02
Domestic Patent References:
| JP57110504A | ||||
| JP59106304A | ||||
| JP2283508A | ||||
| JP4334609A | ||||
| JP62225205A |
Other References:
【文献】米国特許5263526(US,A)
Attorney, Agent or Firm:
Kazuo Sato (3 others)
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