Studless tire with tread having circumferential portions,...

Details Studless tire with tread having circumferential portions,... Studless tire with tread having circumferential portions,...

2007-04-17

2007-04-17

Maki, Steven D. (Department: 1733)

Resilient tires and wheels

Tires, resilient

Anti-skid devices

C152S209280, C152SDIG020

Reexamination Certificate

active

10183158

ABSTRACT:
A studless tire which is provided in the tread portion with one or more circumferential portions provided with V-shaped sipes, the total width of the one or more circumferential portions is in a range of from 10 to 25% of the tread width, each V-shaped sipe is composed of two parts extending from its vertex located in a central region of the circumferential portion, and the V-shaped sipes in each circumferential portion are oriented towards the same direction and arranged at intervals in the tire circumferential direction.

REFERENCES:
patent: 5795415 (1998-08-01), Campana et al.
patent: 5873399 (1999-02-01), Ochi et al.
patent: 6026875 (2000-02-01), Diensthuber et al.
patent: 1090781 (2001-04-01), None
patent: 60255506 (1985-12-01), None
patent: 01101204 (1989-04-01), None
patent: 3-182814 (1991-08-01), None
patent: 05178032 (1993-07-01), None
patent: 06032118 (1994-02-01), None
patent: 06191227 (1994-07-01), None
patent: 6-247110 (1994-09-01), None
patent: 10-264609 (1998-10-01), None
patent: 2002-29225 (2002-01-01), None

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