Pneumatic tire having bell shaped wide width main grooves

Details Pneumatic tire having bell shaped wide width main grooves Pneumatic tire having bell shaped wide width main grooves

2005-09-15

2008-12-09

Maki, Steven D (Department: 1791)

Resilient tires and wheels

Tires, resilient

Anti-skid devices

C152S209220, C152S209280, C152S904000

Reexamination Certificate

active

07461677

ABSTRACT:
A pneumatic tire suitable for competitive sports has a specified tread pattern comprising a central region and both shoulder regions, in which a plurality of bell-shaped wide-width main grooves each extended substantially bell-shapedly into both sides approximately centering on an equator of the tire are disposed in the tread at a given interval in the circumferential direction of the tire wherein the bell-shaped wide-width main groove has specified inclination angles in the central region and the shoulder region and specified groove width and groove depth, and a width of a connecting land portion at a position coming the bells-shaped wide-width main grooves closest to each other is not less than 1.5 mm, and the tire has a given negative ratio at the central region.

REFERENCES:
patent: 2551238 (1951-05-01), Bohannon et al.
patent: 5105864 (1992-04-01), Watanabe et al.
patent: 5154783 (1992-10-01), Kuhr et al.
patent: 5360043 (1994-11-01), Croyle et al.
patent: 5415215 (1995-05-01), Covert et al.
patent: D365071 (1995-12-01), Hamamoto et al.
patent: 5702545 (1997-12-01), Toyoshima et al.
patent: 5759313 (1998-06-01), Shirai et al.
patent: 6123129 (2000-09-01), Himuro
patent: 6520230 (2003-02-01), Ratliff, Jr.
patent: 6935392 (2005-08-01), Masaki
patent: 0 648 622 (1995-04-01), None
patent: 04-043105 (1992-02-01), None
patent: 04-050006 (1992-02-01), None
patent: 04-126612 (1992-04-01), None
patent: 05-286315 (1993-11-01), None
patent: 05-338415 (1993-12-01), None
patent: 09-226322 (1997-09-01), None
patent: 11-091316 (1999-04-01), None
patent: 2002-103920 (2002-04-01), None
patent: 2004-291775 (2004-10-01), None

Affiliated with

Also associated with

Rating

Pneumatic tire having bell shaped wide width main grooves does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pneumatic tire having bell shaped wide width main grooves, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pneumatic tire having bell shaped wide width main grooves will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4022569