发明授权
US08979669B2 Polymer cover layer for golf club face 有权
高尔夫球杆面聚合物覆盖层

Polymer cover layer for golf club face
摘要:
A golf club head, comprising a striking surface having an outer cover layer comprising a polyurethane or polyurea having a material Shore D hardness of 40 to 70, a layer thickness of 0.2 to 0.6 mm, and a flexural modulus of 5 to 110 kpsi.
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