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 Tire and Rubber Company Average. The company opened a new global headquarters building in Akron in 2013. The first Goodyear factory opened in Akron, Ohio, in 1898. The thirteen original employees manufactured bicycle and carriage tires, rubber horseshoe pads, and poker chips. The company grew with the advent of the automobile. In 1901 Frank Seiberling provided Henry Ford with racing tires. In 1903, Paul Weeks Litchfield was granted a patent for the first tubeless automobile tire. By 1908 Ford was outfitting his Model T with Goodyear tires. In 1909 Goodyear manufactured its first aircraft tire. In 1916, Litchfield found land in the Phoenix area