Tire tread with sipes having tie bars

Details Tire tread with sipes having tie bars Tire tread with sipes having tie bars

2005-09-30

2009-02-03

Maki, Steven D (Department: 1791)

Resilient tires and wheels

Tires, resilient

Anti-skid devices

C152S209220, C152SDIG020

Reexamination Certificate

active

07484542

ABSTRACT:
A tire tread has at least three rows of tread elements, each tread element in the at rows has at least one sipe and at least one sipe in each tread element row has a tie bar therein. Each tie bar in the sipes has a volume, and the volume of the sipe tie bar in each tread element in each row is not more than 10% different than the volume of the sipe tie bar in each tread element in any other tread row. Several of the tread rows have transverse grooves having groove tie bars therein.

REFERENCES:
patent: 2302027 (1942-11-01), Havens
patent: 5109904 (1992-05-01), Numata et al.
patent: 5316062 (1994-05-01), Lurois
patent: 5361816 (1994-11-01), Hitzky
patent: 6003575 (1999-12-01), Koyama et al.
patent: 6050313 (2000-04-01), Tsuda
patent: 40 18 463 (1990-12-01), None
patent: 63-137003 (1988-06-01), None
patent: 03-014704 (1991-01-01), None
European Search Report, completed Mar. 30, 2006.
Patent Abstracts of Japan, Publication No. 63137003, Publication Date Jun. 9, 1988.

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