Runflat tire

Details Runflat tire Runflat tire

2011-08-23

2011-08-23

Fischer, Justin (Department: 1747)

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

C152S517000, C152S523000

Reexamination Certificate

active

08002006

ABSTRACT:
A runflat tire comprises a tread portion, a pair of sidewall portions, a pair of bead portions each having a bead core therein, a carcass extending between the bead cores, and a sidewall reinforcing rubber disposed axially inside the carcass in each sidewall portion, wherein each sidewall reinforcing rubber is provided with a plurality of grooves extending on an axially inner surface thereof, each groove has a radially outer end and a radially inner end within the inner surface of the sidewall reinforcing rubber, the grooves are arranged in a circumferential direction of the tire, a length of the groove is in a range of from 30 to 50 mm, a width of the groove is in a range of from 10 to 20 mm and a circumferential pitch of the groove is in a range of from 25 to 60 mm.

REFERENCES:
patent: 50-78003 (1975-06-01), None
patent: 2994989 (1999-10-01), None
patent: 2002-301911 (2002-10-01), None
patent: 2003-19904 (2003-01-01), None
patent: 2004-268714 (2004-09-01), None
patent: 2005-67315 (2005-03-01), None
patent: 2005-273074 (2006-10-01), None

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