Assembly of pneumatic tire and rim, and a noise damper used...

Details Assembly of pneumatic tire and rim, and a noise damper used... Assembly of pneumatic tire and rim, and a noise damper used...

2008-06-06

2011-10-11

Nguyen, Khanh P (Department: 1746)

Resilient tires and wheels

Tires, resilient

With balancing feature

C152S155000, C152S157000, C152S158000

Reexamination Certificate

active

08033309

ABSTRACT:
A pneumatic tire and a rim includes a noise damper, fixed to a tire inner surface or a rim inner surface with the upper surface facing a tire inner space, and extending in the tire circumferential direction. The noise damper is made of a sponge having a volume ranging from 0.4 to 20% of the volume of the tire inner space. The noise damper is a laterally long and flat, with a maximum thickness ranging from 5 to 45 mm and a width more than the maximum thickness. The upper surface extends along a wavy curve including a hilltop, valley bottoms on each side of the hilltop and slopes extending down to the respective valley bottoms from the hilltop. Each end of the upper surface is terminated at the valley bottoms or the slopes. A thickness from the upper surface to the bottom surface ranges from 1.0 to 15.0 mm.

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