Tire Ski Jump

Ski jumping is a form of Nordic skiing in which athletes descend a specially constructed takeoff ramp (known as the inrun), jump from the end of it (the table) with as much power as they can generate, and “fly” as far as possible down a steeply sloped hill.

The Bridgestone Corporation (株式会社ブリヂストン Kabushiki-gaisha Burijisuton) is a multinational auto and truck parts manufacturer founded in 1931 by Shojiro Ishibashi (石橋正二郎 Ishibashi Shōjirō) in the city of Kurume, Fukuoka, Japan. The name Bridgestone comes from a calque translation and transposition of ishibashi, meaning “stone bridge” in Japanese.

Sumitomo Rubber Industries, Ltd. (住友ゴム工業株式会社 Sumitomo Gomu Kōgyo Kabushiki-gaisha) is a global tire and rubber company based in Japan. The company traces its origins to 1909, when the Sumitomo Group made an investment in Dunlop Japan, the newly formed Japanese subsidiary of the British company Dunlop Rubber.

Toyo Tire & Rubber Co., Ltd. (東洋ゴム工業株式会社 Tōyō Gomu Kōgyo Kabushiki-gaisha) is a tire company based in Japan. The company started in 1945. In 1966, the company expanded to the United States as Toyo Tire Corporation.

The Yokohama Rubber Company, Limited (横浜ゴム株式会社 Yokohama Gomu Kabushiki-gaisha) is a tire company based in Tokyo, Japan. The company founded and started in 1917 in a joint venture between Yokohama Cable Manufacturing and B.F. Goodrich.