IP Library Granted Patent US 10,391,364
Granted Patent B1
US 10,391,364 · App. 16/272,919 · Granted Aug 27, 2019

Clay reinforced dual core a golf ball

Inventors: Vijay Chavan (Vista, CA); David Bartels (Carlsbad, CA)
Assignee: Callaway Golf Company
A63B37/0076A63B37/0033A63B37/0039A63B37/0044A63B37/0045A63B37/0051A63B37/0054A63B37/0064A63B37/0067A63B37/0074A63B37/0078A63B37/0081A63B37/0092A63B45/00A63B2037/0079
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Quick Facts
Patent No.
US 10,391,364
App. No.
16/272,919
Granted
Aug 27, 2019
Kind
B1
Abstract

A golf ball with a center core comprising polybutadiene and a clay material in an amount ranging from 0.4 to 2.5 weight percent of the center core is disclosed herein. Alternatively, the golf ball has a mantle layer with a blend of ionomer materials and a clay material in an amount ranging from 0.4 to 2.5 weight percent of the mantle layer.

Claims (7)

1. A method for forming a core for a golf ball, the method comprising:

mixing at least 60 weight percent of a polybutadiene, 10-50 weight percent of zinc diacrylate, 1-30 weight percent of zinc oxide, 1-20 weight percent of zinc stearate, 0.1-10 weight percent of a peroxide initiator, 0-10 weight percent of zinc pentachlorothiophenol, and 0.4 to 2.5 weight percent of an octadecyl amine (ODA) modified clay material; and

compression molding a core from the core mixture.

2. The method according to claim 1 wherein the core has a diameter ranging from 0.70 inch to 1.6 inch.

3. The method according to claim 1 further comprising forming a cover over the core.

4. The method according to claim 1 further comprising forming a mantle layer over the core.

5. The method according to claim 3 wherein the cover is formed of a TPU.

Assignments (4)
SECURITY INTEREST Recorded May 17, 2023
From: TOPGOLF CALLAWAY BRANDS CORP.; OGIO INTERNATIONAL, INC.; TOPGOLF INTERNATIONAL, INC.; TRAVISMATHEW, LLC; WORLD GOLF TOUR, LLC
To: BANK OF AMERICA, N.A.
Reel/Frame 063692/0009 →
SECURITY AGREEMENT Recorded May 16, 2023
From: TOPGOLF CALLAWAY BRANDS CORP. (FORMERLY CALLAWAY GOLF COMPANY); OGIO INTERNATIONAL, INC.; TOPGOLF INTERNATIONAL, INC.; TRAVISMATHEW, LLC; WORLD GOLF TOUR, LLC
To: BANK OF AMERICA, N.A, AS COLLATERAL AGENT
Reel/Frame 063665/0176 →
SECURITY INTEREST Recorded May 30, 2019
From: CALLAWAY GOLF COMPANY; CALLAWAY GOLF SALES COMPANY; CALLAWAY GOLF BALL OPERATIONS, INC.; OGIO INTERNATIONAL, INC.; CALLAWAY GOLF INTERACTIVE, INC.; CALLAWAY GOLF INTERNATIONAL SALES COMPANY; TRAVISMATHEW, LLC
To: BANK OF AMERICA, N.A.
Reel/Frame 049325/0870 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 11, 2019
From: CHAVAN, VIJAY; BARTELS, DAVID
To: CALLAWAY GOLF COMPANY
Reel/Frame 048298/0897 →
Continuity (2)
Division 15657992 · Jul 24, 2017
Provisional Application 62370165 · Aug 2, 2016