Golf club head with a face insert

• US 20040092333A1
• Filed: 11/12/2002
• Published: 05/13/2004
• Est. Priority Date: 11/12/2002
• Status: Active Grant

• Current Assignee: Callaway Golf Company (Topgolf Callaway Brands Corp.)
• Original Assignee: Callaway Golf Company (Topgolf Callaway Brands Corp.)
• Inventors: Deshmukh, Uday V., Boyce, Ronald C., Richardson, William D.
• Granted Patent: US 6,902,497 B2
• Time in Patent Office: Days
• US Class Current: 473/342
• CPC Class Codes: A63B 2209/00 Characteristics of used materials
• CPC Class Codes: A63B 53/04 Heads
• CPC Class Codes: A63B 53/0408 characterised by specific dimensions, e.g. thickness
• CPC Class Codes: A63B 53/0412 Volume
• CPC Class Codes: A63B 53/0416 Heads having an impact surface provided by a face insert
• CPC Class Codes: A63B 53/0466 wood-type
• CPC Class Codes: A63B 60/00 Details or accessories of golf clubs, bats, rackets or the like
• CPC Class Codes: C22C 14/00 Alloys based on titanium
• CPC Class Codes: C22F 1/183 of titanium or alloys based thereon

Abstract

A golf club head (20) having a body (22) with a front wall (30) with an opening (32) and a striking plate insert (40) is disclosed herein. The striking plate insert (40) is heat treated, and preferably has a microstructure with at least 40% alpha phase. The golf club head (20) has a volume between 200 cubic centimeters and 600 cubic centimeters. The golf club head (20) has a mass between 140 grams and 215 grams.

Claims

1. A golf club head comprising:

a body having a crown, a sole, a ribbon, and a front wall with an opening, the crown having a thickness of 0.030 inch to 0.050 inch, the sole having a thickness of 0.030 inch to 0.050 inch, the body composed of a cast titanium alloy material; and

a striking plate insert positioned within the opening and welded to the body, the striking plate insert having a uniform thickness in the range of 0.080 inch to 0.120 inch, the striking plate insert composed of a formed titanium alloy material comprising titanium, aluminum, tin, chromium, molybdenum, zirconium and silicon, and having a microstructure of at least 40% alpha phase;

wherein the golf club head has a volume ranging from 350 cubic centimeters to 420 cubic centimeters and a mass ranging from 185 grams to 215 grams, and the golf club head has a coefficient of restitution ranging from 0.80 to 0.83.

2. A golf club head comprising:

a body having a crown, a sole, a ribbon, and a front wall with an opening; and

a striking plate insert positioned within the opening, the striking plate insert having a uniform thickness in the range of 0.040 inch to 0.250 inch, the striking plate insert composed of a titanium alloy material having a microstructure of at least 40% alpha phase.

3. The golf club head according to claim 2 wherein the striking plate insert is composed of a formed titanium alloy material material.

4. The golf club head according to claim 2 wherein striking plate insert is composed of a forged titanium alloy material.

5. The golf club head according to claim 2 wherein the body is composed of a cast metal material.

6. The golf club head according to claim 2 wherein the striking plate insert is composed of a formed titanium alloy material and the body is composed of a cast titanium alloy material.

7. The golf club head according to claim 2 wherein the striking plate insert is welded to the body.

8. The golf club head according to claim 2 wherein the golf club head has a volume ranging from 200 cubic centimeters to 600 cubic centimeters.

9. A golf club head comprising:

a body having a crown, a sole, a ribbon, and a front wall with a n opening, the front wall having a perimeter region encompassing the opening, the perimeter region having a thickness of 0.070 inch to 0.0110 inch, the body composed of a cast titanium alloy material; and

a striking plate insert positioned within the opening, the striking plate insert having a uniform thickness in the range of 0.080 inch to 0.120 inch, the striking plate insert composed of a formed titanium alloy material;

wherein the golf club head has a volume ranging from 350 cubic centimeters to 420 cubic centimeters, and the golf club head has a coefficient of restitution ranging from 0.80 to 0.83.