Hollow golf club heads and manufacturing method thereof

• US 20040043832A1
• Filed: 04/01/2003
• Published: 03/04/2004
• Est. Priority Date: 10/31/2000
• Status: Abandoned Application

• Current Assignee: Sang Shik Kim, Tae-Beum Lee
• Original Assignee: Sang Shik Kim, Tae-Beum Lee
• Inventors: Kim, Sang Shik, Lee, Tae-Beum
• Application Number:
  US10/398,158
• Publication Number:
  US 20040043832A1
• Time in Patent Office: Days
• US Class Current: 473/342
• CPC Class Codes: A63B 2053/0491 with added weights, e.g. changeable, replaceable
• CPC Class Codes: A63B 2209/00 Characteristics of used materials
• CPC Class Codes: A63B 2209/14 with form or shape memory materials
• CPC Class Codes: A63B 53/04 Heads
• CPC Class Codes: A63B 53/0408 characterised by specific dimensions, e.g. thickness
• CPC Class Codes: A63B 53/0412 Volume
• CPC Class Codes: A63B 53/0416 Heads having an impact surface provided by a face insert
• CPC Class Codes: A63B 53/042 the face insert consisting of a material different from that of the head
• CPC Class Codes: A63B 53/0429 the face insert comprising two or more layers of material
• CPC Class Codes: A63B 53/0466 wood-type
• CPC Class Codes: A63B 60/00 Details or accessories of golf clubs, bats, rackets or the like
• CPC Class Codes: A63B 60/54 with means for damping vibrations
• CPC Class Codes: Y10T 29/49943 Riveting
• CPC Class Codes: Y10T 29/49956 Riveting

Abstract

The present invention relates to the hollow golf club heads and manufacturing method thereof.

Claims

1. A manufacturing method of a hollow golf club head comprising:

molding a golf club head body (30), composed of a crown (31), a sole (32), and a hosel (33) that are molded out of light materials such as titanium;

molding a face (50) out of particularly strong and firm materials such as Aermet and Nitinol; and

,

conjugating the face with the golf club head body by a combining means able at installation and desorption.

2. The manufacturing method of a hollow golf club head according to claim 1, wherein the combining means is chose among insert rivets, metal screws, and screws.

3. The manufacturing method of a hollow golf club head, according to claim 1, comprising:

riveting preparation step (S1), in which the golf club head body (30) is molded out of light materials such as titanium, and the face (50) out of particularly strong materials such as Aermet and Nitinol;

gasket insertion step (S2), in which a gasket (40) is inserted between the face (50) and the backside of the golf club head body (30); and

,

riveting conjugation step (S3), in which the face (50), the gasket (40), and the golf club head body (30) is conjugated by rivets (15) or metal screws.

4. A hollow golf club head manufactured by the method according to claim 1.