Siping (rubber) wear and extends the life of the tire. Both Bridgestone and Michelin sell snow tires that are siped at the factory, while Saf-Tee Siping and Grooving sells machines that can sipe most standard vehicle tires. Siping can also be done by hand. Siping tires may void the manufacturer's warranty. Claims that extended life is achieved by siping may only apply to certain environments, operating temperatures, and rubber compound builds. Siped soles are a characteristic feature of boat shoes. Siping (rubber) Siping is a process of cutting thin slits across a rubber surface to improve traction in wet or icy conditions.
Goodyear Dunlop Tires Operations, S.A. v. Brown Goodyear Dunlop Tires Operations, S.A. v. Brown Goodyear Dunlop Tires Operations, S. A. v. Brown, 564 U.S. 915 (2011), was a United States Supreme Court case in which the Court held that the connection between Goodyear and its subsidiaries with the state of North Carolina was not strong enough to establish general personal jurisdiction over the companies. Two 13-year-old boys from North Carolina died as a result of a bus accident outside of Paris. The parents of the boys believed the accident was due to a defective tire manufactured by a foreign subsidiary of Goodyear Tire and Rubber Company and