Patent ID: 8684864
Filing Date: 2014-04-01
Classification: A63B,Y10T

Abstract:
1. A face insert for a wood-type golf club head comprising: a substrate comprising a score line groove-free front surface; a polymer layer on at least the front surface of the substrate, the polymer layer comprising a ball-striking surface spaced by the polymer layer from the substrate; plural elongated score line grooves extending into the polymer layer from the ball-striking surface at locations other than a central portion of the polymer layer, the central portion being score line groove free; and visible markings interposed between the polymer layer and the front surface of the substrate, the visible markings being visible through the polymer layer and comprising elongated score line markings interposed between the polymer layer and the front surface of the substrate at locations other than a central portion of the polymer layer, the visible markings also comprising target markings interposed between the polymer layer and the front surface of the polymer layer at the score line groove free central portion of the polymer layer; wherein the substrate comprises a peripheral edge and the polymer layer overlays at least both the peripheral edge and the front surface of the substrate.