US 12,472,663 B2
Golf club head having a multi-material face and method of manufacture
Grant M. Martens, San Diego, CA (US); and Uday V. Deshmukh, Carlsbad, CA (US)
Assigned to Acushnet Company, Fairhaven, MA (US)
Filed by Acushnet Company, Fairhaven, MA (US)
Filed on Feb. 3, 2022, as Appl. No. 17/592,245.
Application 17/592,245 is a continuation in part of application No. 17/186,514, filed on Feb. 26, 2021, granted, now 11,498,246.
Application 17/186,514 is a continuation of application No. 17/098,227, filed on Nov. 13, 2020, granted, now 11,186,016, issued on Nov. 30, 2021.
Application 17/098,227 is a continuation in part of application No. 16/453,095, filed on Jun. 26, 2019, granted, now 10,940,617, issued on Mar. 9, 2021.
Application 16/453,095 is a continuation of application No. 14/581,090, filed on Dec. 23, 2014, granted, now 10,357,901, issued on Jul. 23, 2019.
Application 14/581,090 is a continuation in part of application No. 14/070,311, filed on Nov. 1, 2013, granted, now 9,192,826, issued on Nov. 24, 2015.
Application 14/070,311 is a continuation in part of application No. 13/326,967, filed on Dec. 15, 2011, granted, now 8,876,629, issued on Nov. 4, 2014.
Application 13/326,967 is a continuation in part of application No. 12/832,461, filed on Jul. 8, 2010, granted, now 8,221,261, issued on Jul. 17, 2012.
Prior Publication US 2022/0212376 A1, Jul. 7, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A63B 53/04 (2015.01); A63B 60/00 (2015.01); B29C 43/10 (2006.01); B29L 9/00 (2006.01); B29L 31/52 (2006.01)
CPC B29C 43/102 (2013.01) [A63B 53/04 (2013.01); A63B 53/0466 (2013.01); A63B 60/00 (2015.10); A63B 53/042 (2020.08); A63B 53/0429 (2020.08); A63B 53/0433 (2020.08); A63B 53/0437 (2020.08); A63B 53/0458 (2020.08); A63B 53/0462 (2020.08); A63B 2209/02 (2013.01); A63B 2209/023 (2013.01); B29L 2009/00 (2013.01); B29L 2031/5227 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A golf club head comprising:
a striking face provided near a forward portion of said golf club head;
a body portion connected to an aft portion of said striking face further comprising a crown, a sole, and a skirt,
wherein said crown further comprises;
a constant thickness portion located near said striking face, and
a transition portion located aft of said constant thickness portion,
wherein said striking face further comprises;
a perimeter portion made out of a first material having a first density around a border of said striking face, and
a central portion near a center of said striking face surrounded by said perimeter portion,
wherein said central portion comprises a backing portion,
wherein said central portion defines a pocket having a dovetail shaped undercut, and
said pocket is filled with a face insert having a dovetail shaped protrusion around its perimeter, said dovetail protrusion adapted to engage said dovetail shaped undercut,
wherein said face insert is made out of a second material having a second density,
wherein said second density is less than said first density,
wherein said dovetail shaped protrusion extends a distance (d11) between about 3 mm to about 6 mm into said dovetail shaped undercut,
wherein said dovetail shaped protrusion forms an angle θ of between about 35 degrees to about 60 degrees with said striking face, and
wherein said distance (d11) is generally greater than a thickness (d3) of said backing portion.