US2007232410A1PendingUtilityA1

Golf Club Head and Its Process of Making

22
Assignee: CHU YUK MAN SIMONPriority: Mar 31, 2006Filed: Jan 23, 2007Published: Oct 4, 2007
Est. expiryMar 31, 2026(expired)· nominal 20-yr term from priority
Inventors:Yuk Man Simon Chu
A63B 53/04A63B 60/00A63B 53/0466A63B 53/0416
22
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Claims

Abstract

A technique for making a golf club head comprises the following steps: (1) making a main body and a hitting face, both of which have a rough engaging bonding surface, separately; (2) bonding the main body to the hitting face through the engaging bonding surfaces with adhesive. The main body and the hitting face pf the present invention is bonded by adhesive, thereby the difficulty is reduced greatly, and the adhesive is easy to acquired and bonding can be achieved under low temperature, as well as the costs can be reduced, production efficiency can be improved and the manufacturing process is simplified. And the hitting performance of the golf club is also improved.

Claims

exact text as granted — not AI-modified
1 . A golf club head, comprising a main body and a hitting face, wherein both of the main body and the hitting face being made separately and having a rough engaging bonding surface, and the main body and the hitting face being bonded together through the engaging bonding surfaces with adhesive. 
   
   
       2 . A process of manufacturing a golf club head, comprising: (1) making a main body and a hitting face separately, both of which have a rough engaging bonding surface, (2) bonding the main body to the hitting face through the engaging bonding surfaces with adhesive. 
   
   
       3 . The process of manufacturing a golf club head as claimed in  claim 1 , wherein the bonding surface of the hitting face is engaged with the bonding surface of the main body exactly. 
   
   
       4 . The process of manufacturing a golf club head as claimed in  claim 1 , wherein the gap between the bonding surface of hitting face and the bonding surface of the main body is 0-0.5 mm. 
   
   
       5 . The process of manufacturing a golf club head as claimed in  claim 1 , wherein the method of making the bonding surfaces includes precision molding, forging or CNC processing. 
   
   
       6 . The process of manufacturing a golf club head as claimed in  claim 1 , wherein the main body and the hitting face can be respectively made of stainless steel and Ti alloy Ti alloy, or stainless steel and stainless steel, or stainless steel and compound metal, or Ti alloy and Ti alloy, or Ti alloy and compound metal. 
   
   
       7 . The process of manufacturing a golf club head as claimed in claim  1 , wherein the bonding surfaces on the hitting face and the main body are formed with micro concave and protruded portions, whose height is <0.3 mm, after being surface processed. 
   
   
       8 . The process of manufacturing a golf club head, wherein the bonding surfaces form rough surfaces by surface treatment processing method. 
   
   
       9 . The process of manufacturing a golf club head as claimed in  claim 8 , wherein the said surface treatment processing method includes high pressure sand spraying, or CNC processing, or using acidic solution to corrode the surfaces, or precisely casting to create the rough surfaces. 
   
   
       10 . The process of manufacturing a golf club head as claimed in  claim 1 , wherein the shear strength of the adhesive is ≧25 Mpa. 
   
   
       11 . The process of manufacturing a golf club head as claimed in  claim 1 , wherein the adhesive of made of epoxy resin.

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