US2007072699A1PendingUtilityA1

Clubface of golf club head and method for fabricating the same

Assignee: WONG LUK-SHANPriority: Sep 26, 2005Filed: Sep 26, 2005Published: Mar 29, 2007
Est. expirySep 26, 2025(expired)· nominal 20-yr term from priority
Inventors:Luk-Shan Wong
A63B 2209/00A63B 53/04A63B 53/0416A63B 53/047B22F 2998/00B22F 3/105A63B 60/00Y10T29/49796
19
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Claims

Abstract

A clubface of golf club head and a method for fabricating the same can fabricate the clubface in mass production and will not consume much more valuable metal. The method has the following steps: firstly, a conductive top mould and a conductive bottom mould are provided. Then, titanium powder is placed on the conductive bottom mould and press down the top mould. Following, the conductive top mould and the conductive bottom mould are electrified. The conductive top mould is provided with consistent pressure to contact with the conductive bottom mould, and consistently electrifying the conductive top mould and the conductive bottom mould for a predetermined period. After that, removing electricity, and removing the conductive top mould and taking out the clubface of the golf club head.

Claims

exact text as granted — not AI-modified
1 . A method for fabricating a clubface of a golf club head, the method including the steps: 
 providing a conductive top mould and a conductive bottom mould;    placing titanium powder on the conductive bottom mould;    providing consistent pressure to the conductive top mould;    electrifying the conductive top mould and the conductive bottom mould;    providing consistent pressure to have the conductive top mould in contact with the conductive bottom mould;    consistently electrifying the conductive top mould and the conductive bottom mould for a predetermined period;    removing electricity; and    removing the conductive top mould and taking out the clubface of the golf club head.    
   
   
       2 . The method as claimed in  claim 1 , wherein the top mould and the bottom mould are made of graphite.  
   
   
       3 . The method as claimed in  claim 1 , wherein the bottom mould has an insulation spacer encircled on a top surface thereof that abuts against a bottom surface of the top mould.  
   
   
       4 . The method as claimed in  claim 1 , wherein the size of the titanium powder is smaller than 40 μm.  
   
   
       5 . The method as claimed in  claim 1 , wherein the high voltage electrified to the moulds ranges from 10,000 voltages to 500,000 voltages.  
   
   
       6 . The method as claimed in  claim 1 , further comprising a step of impacting the clubface removed from the top mould and the bottom mould.  
   
   
       7 . The method as claimed in  claim 1 , further comprising a plurality of fixing holes are integrally formed with one side of the clubface.  
   
   
       8 . A clubface of golf club head produced according to the method of  claim 1 , comprising: 
 a main body, having a structure of sintering; and    a hitting curved surface, formed on a top surface of the main body.    
   
   
       9 . The method as claimed in  claim 8 , wherein the hitting curved surface is formed with embossing structure.

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