Runflat tire

Details Runflat tire Runflat tire

2011-03-15

2011-03-15

Fischer, Justin (Department: 1747)

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

C152S517000, C152S520000

Reexamination Certificate

active

07905264

ABSTRACT:
A pneumatic tire comprises a sidewall reinforcing rubber disposed axially inside the carcass in each of the sidewall portion, and in order improving the ride comfort during normal running without deteriorating runflat performance, the axially inner surface of the sidewall reinforcing rubber is provided with a circumferentially extending groove. When the tire is deflated, the groove in the ground contacting patch is closed and the sidewall reinforcing rubber supports the tire load. When the tire is inflated-normally, as the sidewall portion can be bent around the groove, the ride comfort is improved.

REFERENCES:
patent: 4045362 (1977-08-01), Kuan et al.
patent: 4213491 (1980-07-01), Pope et al.
patent: 5058646 (1991-10-01), Kajikawa et al.
patent: 6923233 (2005-08-01), Girault et al.
patent: 2004/0112496 (2004-06-01), Colantonio et al.
patent: 867103 (1961-05-01), None
patent: 50-111704 (1975-09-01), None
patent: 3-104710 (1991-05-01), None
patent: 2003-94912 (2003-04-01), None
patent: 2005-67315 (2005-03-01), None
patent: 8-337101 (2006-12-01), None
Machiine translation of JP 2003-94912, Kurokawa, M., Apr. 2003.

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