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Co-forged golf club head and method of manufacture

  • US 10,071,292 B2
  • Filed: 03/10/2017
  • Issued: 09/11/2018
  • Est. Priority Date: 11/28/2011
  • Status: Active Grant
First Claim
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1. A forged golf club head comprising:

  • a body portion made out of a first material having at least one cavity;

    at least one weight adjustment portion made out of a second material encased within said body portion; and

    a cap, made out of said first material, at least partially enclosing said cavity;

    wherein an outer surface area of said at least one weight adjustment portion equals an inner surface area of said at least one cavitywherein said first material has a first thermal expansion coefficient and said second material has a second thermal expansion coefficient, and wherein said first thermal expansion coefficient is greater than or equal to said second thermal expansion coefficient,wherein said at least one weight adjustment portion is located near a sole of said golf club head, andwherein said first thermal expansion coefficient is about 8.0 μ

    in/in °

    F., and said second thermal expansion coefficient is about 6.1 μ

    in/in °

    F.

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