Pneumatic tire with tread including wavy sipes having branch...

Details Pneumatic tire with tread including wavy sipes having branch... Pneumatic tire with tread including wavy sipes having branch...

2011-08-09

2011-08-09

Maki, Steven D (Department: 1747)

Resilient tires and wheels

Tires, resilient

Anti-skid devices

C152S209230, C152SDIG020

Reexamination Certificate

active

07992609

ABSTRACT:
A sipe inner wall surface of a sipe is provided with a wavy first concave and convex row, a wavy second concave and convex row arranged in a sipe bottom side from the first concave and convex row so as to be spaced, and structured such that a wavelength is made shorter than the first concave and convex row so as to increase the number of waves, and a third concave and convex row extending toward the sipe bottom side in a branched manner while being inclined to a longitudinal direction side of the sipe with respect to a normal direction of a tread surface, and interposed between the first concave and convex row and the second concave and convex row so as to be connected to both elements.

REFERENCES:
patent: 5350001 (1994-09-01), Beckmann et al.
patent: 6427737 (2002-08-01), Katayama
patent: 2002/0053383 (2002-05-01), Kleinhoff et al.
patent: 2005/0109438 (2005-05-01), Collette et al.
patent: 2006/0016533 (2006-01-01), Ohashi
patent: 2006/0027295 (2006-02-01), Knispel et al.
patent: 2007/0272337 (2007-11-01), Bovaird et al.
patent: 933235 (1999-08-01), None
patent: 9-183303 (1997-07-01), None
patent: 2004-161166 (2004-06-01), None
patent: 2006-27558 (2006-02-01), None
Machine translation for Japan 2004-161166 (no date).

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