RUBBERIZED FIBROUS MATERIAL AND PNEUMATIC TIRE

Title:

RUBBERIZED FIBROUS MATERIAL AND PNEUMATIC TIRE

Document Type and Number:

WIPO Patent Application WO/2004/089655

Kind Code:

A1

Abstract:

A rubberized fibrous material for use in the reinforcing belt layer of a pneumatic tire. The rubberized fibrous material comprises fibers of a polyketone comprising repeating units represented by the following formula (1): (wherein A is a moiety derived from an ethylenic compound and polymerized through its ethylenic bond; and the A's may be the same or different in the repeating units) and a coating rubber with which the fibers are coated, wherein the coating rubber has a modulus at 100% elongation (room temperature) of 2.5 to 5.5 MPa and has a resilience of 60% or higher. Also provided is a pneumatic tire having a reinforcing belt layer comprising the rubberized fibrous material.

Inventors:

TAKIMURA MAMORU (JP)

Application Number:

PCT/JP2004/003815

Publication Date:

October 21, 2004

Filing Date:

March 22, 2004

Export Citation:

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Assignee:

BRIDGESTONE CORP (JP)
TAKIMURA MAMORU (JP)

International Classes:

B60C9/00; B60C9/20; (IPC1-7): B60C9/00; B60C9/04; B60C9/20

Foreign References:

JPH01133313A	1989-05-25
JPH05294101A	1993-11-09
JP2001239807A	2001-09-04
JPS57151404A	1982-09-18
JPS5755203A	1982-04-02

Other References: