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US 11,504,584 B2Granted
Golf ball
AssigneeBridgestone Sports Co., Ltd.
InventorsHirotaka Shinohara, Masanobu Kuwahara
Life of this patent
Estimating the term…
Abstract
A golf ball of the present disclosure includes an inner ball and a cover layer that covers the outer surface of the inner ball and includes an outer surface with dimples. The inner ball includes an inner layer, which includes an outer surface with a recess, and an inner film that covers only the surface of the recess on the outer surface of the inner layer. The inner layer and the inner film are different colors from each other, and the cover layer is transparent or semi-transparent. Peeling of the film can be suppressed in the golf ball.
Claims6
A golf ball comprising:
- an inner ball;
- and
- a cover layer covering an outer surface of the inner ball and comprising an outer surface with dimples, wherein
- the inner ball comprises
- an inner layer comprising an outer surface with a recess;
- and
- an inner film covering only a surface of the recess on the outer surface of the inner layer,
- the inner layer and the inner film are different colors from each other, wherein
- the inner film comprises a two-component curable polyurethane that uses a polyol and a polyisocyanate, and
- the cover layer is transparent or semi-transparent.
7 more elements
Dependencies are inferred from the claim text.