Mechanical and Chemical Surface Treatment of a Golf Club Head
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United States of America Patent
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May 16, 2024
app pub date -
Nov 10, 2023
filing date -
Nov 10, 2022
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Abstract
Described herein is a method for treating a metallic golf club head in a series of post-assembly steps, to provide a hardened dark coating. The method described herein includes a quench-polish-quench (QPQ) process that results in a surface coating with improved hardness, uniformity, and porosity characteristics, thereby reducing visible surface deformation and durability loss.
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