Golf club head having a multi-material face

• US 9,033,818 B2
• Filed: 07/26/2012
• Issued: 05/19/2015
• Est. Priority Date: 07/08/2010
• Status: Active Grant

• Current Assignee: Acushnet Company (FILA Holdings Corp.)
• Original Assignee: Acushnet Company (FILA Holdings Corp.)
• Inventors: Myrhum, Mark C., Deshmukh, Uday V.
• Primary Examiner(s): Passaniti, Sebastiano
• Application Number:
  US13/558,421
• Publication Number:
  US 20120289363A1
• Time in Patent Office: 1,027 Days
• Field of Search: 473324-350, 473287-292
• US Class Current: 473/329
• CPC Class Codes: A63B 2209/02 with reinforcing fibres, e.g. carbon, polyamide fibres
• CPC Class Codes: A63B 53/0408 characterised by specific dimensions, e.g. thickness
• CPC Class Codes: A63B 53/042 the face insert consisting of a material different from that of the head
• CPC Class Codes: A63B 53/0433 with special sole configurations
• CPC Class Codes: A63B 53/0458 with non-uniform thickness of the impact face plate
• CPC Class Codes: A63B 53/0462 characterised by tapering thickness of the impact face plate
• 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

Abstract

A golf club head with a multi-material face is disclosed herein. The layers of the multi-material face are preferably attached to the club head using adhesive and mechanical methods.

Claims

1. A golf club head comprising a face and a body portion, the face comprising:

an outer layer at least partially formed from a titanium material having a density of from about 4.0 g/cm³ to about 5.00 g/cm³ and having a plurality of male fasteners projecting from an inner surface thereof;

a lightweight layer penetrated by the plurality of male fasteners and having a thickness of greater than about 0.2 mm and less than about 2.0 mm and at least partially formed from a composite material having a density of 1.70 g/cm³ or less;

an additional layer penetrated by the plurality of male fasteners; and

a plurality of female fasteners, each female fastener affixed to one of the male fasteners.

2. The golf club head of claim 1, wherein the face additionally comprises an adhesive coating disposed between the outer layer and the lightweight layer.

3. The golf club head of claim 1, wherein the face is adhesively connected to the body portion.

4. The golf club head of claim 1, wherein the male fasteners are formed from a material selected from the group consisting of titanium, aluminum, and composites.

5. The golf club head of claim 1, wherein the male fasteners are friction welded to the inner surface of the outer layer.

6. The golf club head of claim 1, wherein at least one of the male fasteners extends to the outer surface of the outer layer.