EP0247422A2
Expired / Lapsed
EP
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Radial tire for passenger cars
Assignee: Yokohama Rubber Co Ltd
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Filing: 1987-05-11
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Granted: —
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Expires: 2007-05-11
Abstract
Abstract A radial tire for passenger cars comprising a turnup portion (9) of a carcass layer (4) provided along the body of the carcass layer at a bead portion (10) which has not been folded back and an upper bead filler (7) provided outside the turnup portion (9), wherein the upper bead filler (7) has a textile cord layer (8A,8B) on both of its inside and outside, thereby holding the upper bead filler (7) between the textile cord layers (8A,8B).
Inventors
- 👤 Ryoji Hanada
- 👤 Sadakazu Takei
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-29 11:29
CPC Classifications
B; B60; B60C; B60C9/00; B60C9/02; B60C9/04; B60C9/08; B60C15/00; B60C15/06; B60C15/0603; B60C15/0607; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10819; Y10T152/10828; Y10T152/10855; Y10T152/10864
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
122 words
A radial tire for passenger cars having a bead portion in which the end portion of the carcass layer is folded back about a bead wire from the inside of the tire towards the outside of the tire, wherein the turnup portion of said carcass layer is provided along the body of said bead portion which has not been folded back and an upper bead filler having a JIS hardness of 75 to 95 is provided outside said turnup portion, said upper bead filler having, on both of its inside and outside, a textile cord layer having a cord angle of 45° or less to the circumferential direction of the tire, thereby holding said upper bead filler between said textile cord layers.
Claim 2
Dependent Claim
122 words
A radial tire for passenger cars having a bead portion in which the end portion of the carcass layer is folded back about a bead wire from the inside of the tire towards the outside of the tire, wherein the turnup portion of said carcass layer is provided along the body of said bead portion which has not been folded back and an upper bead filler having a JIS hardness of 75 to 95 is provided outside said turnup portion, said upper bead filler having, on both of its inside and outside, a textile cord layer having a cord angle of 45° or less to the circumferential direction of the tire, thereby holding said upper bead filler between said textile cord layers.
Claim 3
Dependent Claim
23 words
A radial tire for passenger cars according to claim l, wherein the cord angle of said textile cord layer is l0° to 40°.
Claim 4
Dependent Claim
32 words
A radial tire for passenger cars according to claim l, wherein said textile cord layer is made of nylon fiber cord, polyester fiber cord, rayon fiber cord or aromatic polyamide fiber cord.
Claim 5
Dependent Claim
21 words
A radial tire for passenger cars according to claim l, wherein said textile cord layer has an at least two-layer structure.
References Cited (Backward Citations)
No citation records indexed.
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