IP Library › Granted Patent US 12,409,585
Granted Patent B2
US 12,409,585 · App. 17/979,441 · Granted Sep 9, 2025

Golf club head having multi-material face and method of manufacture

Inventors: Grant M. Martens (San Diego, CA); Uday V. Deshmukh (Carlsbad, CA)
Assignee: Acushnet Company
B29C43/102A63B53/04A63B53/0466A63B60/00A63B53/042A63B53/0429A63B53/0433A63B53/0437A63B53/0458A63B53/0462A63B2209/02A63B2209/023B29L2009/00B29L2031/5227
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Quick Facts
Patent No.
US 12,409,585
App. No.
17/979,441
Filed
Nov 2, 2022
Granted
Sep 9, 2025
Kind
B2
Art Unit
3711
USPC
264/241
Abstract

A golf club with a multi-material face is disclosed herein. More specifically, the golf club head in accordance with the present invention has a multi-material striking face portion that is made out of a backing layer having a frontal pocket, made out of titanium, and an insert, made out of a composite material, adapted to be inserted into the frontal pocket. The frontal pocket and the insert could have complementary dovetail shaped undercut features to create a mechanical bond between these two components.

Claims (18)

1. A golf club head comprising:

a striking face provided near a forward portion of said golf club head; and

a body portion connected to an aft portion of said striking face further comprising a crown, a sole, and a skirt, wherein said body portion is made out of a first material having a first density,

wherein said striking face is substantially formed of a second material having a second density,

wherein said second density is less than about 1.70 g/cm 3 ,

wherein said striking face has a characteristic time slope of greater than about 10 and less than about 45, and

wherein said golf club head has a first peak frequency to volume ratio of greater than about 7.0 hertz/cc and less than about 15.0 hertz/cc,

said first peak frequency to volume ratio is defined as a first peak frequency of a signal power diagram of a sound of said golf club head as it impacts a golf ball, divided by a volume of said golf club head.

2. The golf club head of claim 1 , wherein said first peak frequency to volume ratio is greater than about 9.0 hertz/cc and less than about 13.0 hertz/cc.

3. The golf club head of claim 2 , wherein said first peak frequency to volume ratio is about 8.0 hertz/cc.

4. The golf club head of claim 3 , wherein said striking face further comprising;

an external layer located at a frontal surface of said striking face, adapted to make contact with a golf ball, and

an internal backing portion, located rearward and contacting a rear surface of said external layer,

wherein said internal backing portion has a thickness of greater than about 1.5 mm and less than about 3.0 mm.

5. The golf club head of claim 4 , wherein internal backing portion has a thickness of greater than about 1.75 mm and less than about 2.75 mm.

6. The golf club head of claim 5 , wherein said internal backing portion has a thickness of about 2.25 mm.

7. The golf club head of claim 4 , wherein said characteristic time slope is greater than about 12.5 and less than about 30.

8. The golf club head of claim 7 , wherein said characteristic time slope is greater than about 15 and less than about 20.

Assignments (3)
SECURITY INTEREST Recorded Nov 22, 2025
From: ACUSHNET COMPANY
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 073689/0441 →
SECURITY INTEREST Recorded Nov 22, 2025
From: ACUSHNET COMPANY
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 073689/0528 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 2, 2022
From: MARTENS, GRANT M.; DESHMUKH, UDAY V.
To: ACUSHNET COMPANY
Reel/Frame 061634/0505 →
Continuity (8)
Continuation 17186514 · Feb 26, 2021
Continuation 17098227 · Nov 13, 2020
Continuation In Part 16453095 · Jun 26, 2019
Continuation 14581090 · Dec 23, 2014
Continuation In Part 14070311 · Nov 1, 2013
Continuation In Part 13326967 · Dec 15, 2011
Continuation In Part 12832461 · Jul 8, 2010
Related Publication 20230051234A1 · Feb 16, 2023
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