US2008017281A1PendingUtilityA1

Method of hardening a surface of a golf club head

47
Assignee: LIN CHON-CHENPriority: Jul 18, 2006Filed: Jul 18, 2006Published: Jan 24, 2008
Est. expiryJul 18, 2026(expired)· nominal 20-yr term from priority
Inventors:Chon-Chen LinShun-Fu HuYen-Chi Hsu
A63B 53/04C21D 9/0068C22F 1/04C21D 1/74C21D 1/09A63B 53/0416C22F 3/00C22F 1/183A63B 53/0466A63B 53/047A63B 53/0487A63B 60/00
47
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Claims

Abstract

A method of hardening a surface of a golf club head includes the steps of positioning a golf club head in a chamber filled with a protecting gas, and irradiating a predetermined metallic surface area of the golf club head with a light beam from a light generator so as to heat-treat and harden the predetermined area of the golf club head.

Claims

exact text as granted — not AI-modified
1 . A method of hardening a surface of a golf club head, comprising the steps of:
 positioning a golf club head in a chamber filled with a protecting gas; and   irradiating a predetermined metallic surface area of the golf club head with a light beam from a light generator so as to heat-treat and harden the predetermined area of the golf club head.   
   
   
       2 . The method as claimed in  claim 1 , wherein the light beam is an infrared light beam. 
   
   
       3 . The method as claimed in  claim 1 , wherein the light beam is a laser light beam. 
   
   
       4 . The method as claimed in  claim 1 , wherein the light beam has a profile resembling one of a strip and a cylinder. 
   
   
       5 . The method as claimed in  claim 1 , wherein the golf club head includes a metal selected from the group consisting of aluminum alloy, titanium alloy, carbon steel, and stainless steel. 
   
   
       6 . The method as claimed in  claim 1 , wherein the protecting gas is selected from the group consisting of nitrogen, helium, and argon. 
   
   
       7 . The method as claimed in  claim 1 , wherein the light generator has a power ranging from 2000 to 5000 watts. 
   
   
       8 . The method as claimed in  claim 1 , wherein the light beam has a wavelength ranging from 808 to 940 nm.

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