Low noise pneumatic tire

Details Low noise pneumatic tire Low noise pneumatic tire

2004-12-15

2010-06-15

Johnstone, Adrienne C (Department: 1791)

Resilient tires and wheels

Tires, resilient

Cushion and pneumatic combined

C152S450000

Reexamination Certificate

active

07735532

ABSTRACT:
Disclosed is a low noise pneumatic tire having a configuration where, while installation work of a strip-shaped sound absorbent is simple, it is possible to simultaneously reduce cavity resonance and high-frequency noise, and thereby to effectively reduce noise when a vehicle is traveling. In the low noise pneumatic tire of the present invention, the strip-shaped sound absorbent is attached to an annular elastic fixing band, and then is installed onto an inner surface of a tread of the tire taking advantage of the elastic force of the annular elastic fixing band. The strip-shaped sound absorbent is formed of at least two kinds of porous materials whose sound absorption characteristics with respect to frequencies are different from one another.

REFERENCES:
patent: 4399851 (1983-08-01), Bschorr
patent: 7140412 (2006-11-01), Tanno
patent: 7556075 (2009-07-01), Tanno
patent: 0 870 631 (1998-10-01), None
patent: 1 253 025 (2002-10-01), None
patent: 2003-226104 (2003-08-01), None
patent: 2003-252003 (2003-09-01), None
patent: 2004-291855 (2004-10-01), None

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