# US 2014/0194220 A1 · Putter face insert > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0194220 A1 - Document ID: US20140194220A1 - Status: Published application - Kind: A1 - Application number: 14/205,991 - Filed: 2014-03-12 - Published: 2014-07-10 - Earliest claimed: 2012-03-02 - Assignees: Callaway Golf Company - Applicants: Callaway Golf Company - Inventors: Alan Hocknell; Craig E. Abbott; Augustin W. Rollinson - Web page: https://patentgrep.com/patent/US20140194220A1 ## CPC - A63B 53/04: Heads - A63B 53/007: {Putters} - A63B 53/0466: {wood-type} - A63B 53/047: {iron-type} - A63B 53/0475: {with one or more enclosed cavities} - A63B 53/0487: {for putters (A63B53/065 takes precedence)} - A63B 60/00: Details or accessories of golf clubs, bats, rackets or the like - A63B 53/0408: {characterised by specific dimensions, e.g. thickness} - A63B 53/0416: {Heads having an impact surface provided by a face insert} - A63B 53/042: {the face insert consisting of a material different from that of the head} - A63B 53/0425: {the face insert comprising two or more different materials} - A63B 53/0429: {the face insert comprising two or more layers of material} - A63B 53/0445: {Details of grooves or the like on the impact surface} - A63B 53/0458: {with non-uniform thickness of the impact face plate} - A63B 60/50: with through-holes (A63B60/18 takes precedence; for stringing purposes A63B49/00) - A63B 2209/00: Characteristics of used materials - A63B 2209/10: with adhesive type surfaces, i.e. hook and loop-type fastener - A63B: APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT (apparatus for passive exercising, massage A61H) ## Abstract A putter-type golf club head having a face insert comprising a metal sheet and a urethane backing is disclosed herein. The metal sheet, which makes contact with a golf ball during use, includes a plurality of oval-shaped holes extending through the entire thickness of the sheet and having a specific size and spacing, and the urethane backing has a hardness that optimizes performance of the face insert, and thus the putter. ## Claims ### Claim 1 A golf club face insert comprising: a sheet composed of a non-metal material, the sheet comprising a front surface, a back surface, and a plurality of oval-shaped holes; and a backing; wherein the sheet is permanently attached to the backing and, wherein each of the plurality of oval-shaped holes has a width of 0.150 inch to 0.200 inch and a height of 0.020 to 0.060 inch. ### Claim 2 (depends on 1) The golf club face insert of claim 1, wherein at least one of the plurality of oval-shaped holes extends completely through the sheet ### Claim 3 (depends on 1) The golf club face insert of claim 1, wherein the width is approximately 0.180 inch, and wherein the height is approximately 0.040 inch. ### Claim 4 (depends on 1) The golf club face insert of claim 1, wherein each of the plurality of oval-shaped holes is spaced horizontally from neighboring oval-shaped holes by 0.01 to 0.03 inch, and wherein each of the plurality of oval-shaped holes is spaced vertically from neighboring oval-shaped holes by 0.005 to 0.011 inch. ### Claim 5 (depends on 1) The golf club face insert of claim 1, wherein the sheet has a thickness of no less than 0.005 inch and no more than 0.100 inch. ### Claim 6 (depends on 5) The golf club face insert of claim 5, wherein the sheet has a thickness of no less than 0.007 inch and no more than 0.016 inch. ### Claim 7 (depends on 1) The golf club face insert of claim 1, wherein the sheet is attached to the backing with an adhesive material. ### Claim 8 (depends on 1) The golf club face insert of claim 1, wherein the backing is composed of a urethane. ### Claim 9 (depends on 8) The golf club face insert of claim 8, wherein the urethane has a hardness of Shore 40D to Shore 60D. ### Claim 10 (depends on 1) The golf club face insert of claim 1, wherein the backing has a thickness of no less than 0.100 inch and no more than 0.300 inch. ### Claim 11 (depends on 10) The golf club face insert of claim 10, wherein the backing has a thickness of approximately 0.200 inch. ### Claim 12 (depends on 1) The golf club face insert of claim 1, wherein the non-metal material is a plastic. ### Claim 13 A golf club head comprising: a body comprising a top surface, a bottom surface, a heel side, a toe side, and a face recess; and a face insert comprising a sheet and a backing, wherein the sheet comprises a plurality of oval-shaped holes, wherein each of the plurality of oval-shaped holes has a width of 0.150 inch to 0.200 inch and a height of 0.020 to 0.060 inch, wherein the face insert is sized to fit within the face recess, and wherein the face insert is secured within the face recess with an adhesive material. ### Claim 14 (depends on 13) The golf club head of claim 13, wherein the golf club head is selected from the group consisting of a fairway head, driver head, hybrid head, iron head, and putter head. ### Claim 15 (depends on 14) The golf club head of claim 14, wherein the golf club head is a putter head. ### Claim 16 (depends on 13) The golf club head of claim 13, wherein the backing has a hardness of Shore 40D to Shore 60D. ### Claim 17 (depends on 13) The golf club head of claim 13, wherein at least one of the plurality of oval-shaped holes extends completely through the sheet. ### Claim 18 (depends on 13) The golf club head of claim 13, wherein the sheet is composed of a metal material selected from the group consisting of aluminum, stainless steel, and titanium. ### Claim 19 (depends on 13) The golf club head of claim 13, wherein each of the plurality of oval-shaped holes is spaced horizontally from neighboring oval-shaped holes by 0.01 to 0.03 inch, and wherein each of the plurality of oval-shaped holes is spaced vertically from neighboring oval-shaped holes by 0.005 to 0.011 inch. ### Claim 20 (depends on 19) The golf club head of claim 19, wherein each of the plurality of oval-shaped holes is spaced horizontally from neighboring oval-shaped holes by approximately 0.026 inch, and wherein each of the plurality of holes is spaced vertically from neighboring holes by approximately 0.009 inch.