PNEUMATIC TIRE AND METHOD FOR MANUFACTURING PNEUMATIC TIRE

Title:

PNEUMATIC TIRE AND METHOD FOR MANUFACTURING PNEUMATIC TIRE

Document Type and Number:

WIPO Patent Application WO/2000/046049

Kind Code:

A1

Abstract:

A pneumatic tire (1) having a troidal shape and including a tread part (2), side wall parts (3) radially inwardly extending from both edges of the tread part (2), and bead parts (4) at the ends of the side wall parts (3), in which a sealant (6) for puncture prevention is extended circumferentially inside the tread part (2). The pneumatic tire (1) is characterized in that a seal unit (7) composed of a baglike member and the sealant (6) sealed in the baglike member is extended inside the tread part (2) along the circumference of the tire before the vulcanization molding.

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Inventors:

OCHIAI KIYOSHI (JP)
ISHIKAWA TAKESHI (JP)

Application Number:

PCT/JP2000/000532

Publication Date:

August 10, 2000

Filing Date:

February 01, 2000

Export Citation:

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Assignee:

SUMITOMO RUBBER IND (JP)
OCHIAI KIYOSHI (JP)
ISHIKAWA TAKESHI (JP)

International Classes:

B60C5/14; B29C73/22; B29D30/20; B29D30/30; B60C19/12; (IPC1-7): B60C19/12; B29C73/20; B29D30/30

Foreign References:

JPS4726433A
JPS4726481A
JPS3410934B1
JPS5025683B1	1975-08-26
JPS53124803A	1978-10-31
JPS4849864A	1973-07-13
JPS6064834A	1985-04-13

Other References: