Golf club head and manufacturing method thereof

• US 7,128,664 B2
• Filed: 12/02/2003
• Issued: 10/31/2006
• Est. Priority Date: 12/02/2002
• Status: Expired due to Fees

• Current Assignee: Chin Shang Industrial Co. Ltd., Mizuno Corporation, Mizuno Technics Corporation (Mizuno Corporation)
• Original Assignee: Mizuno Corporation
• Inventors: Onoda, Kenji, Chuang, Hsiu Hao, Aizawa, Katsuyuki
• Primary Examiner(s): Kim, Eugene
• Assistant Examiner(s): HUNTER, ALVIN A
• Application Number:
  US10/727,079
• Publication Number:
  US 20050119068A1
• Time in Patent Office: 1,064 Days
• Field of Search: 473324-350
• US Class Current: 473/347
• CPC Class Codes: A63B 2209/02 with reinforcing fibres, e.g. carbon, polyamide fibres
• CPC Class Codes: A63B 2209/023 Long, oriented fibres, e.g. wound filaments, woven fabrics, mats
• CPC Class Codes: A63B 2209/026 Ratio fibres-total material
• CPC Class Codes: A63B 53/0408 characterised by specific dimensions, e.g. thickness
• CPC Class Codes: A63B 53/0416 Heads having an impact surface provided by a face insert
• CPC Class Codes: A63B 53/0437 with special crown configurations
• CPC Class Codes: A63B 53/0466 wood-type
• CPC Class Codes: A63B 53/047 iron-type
• CPC Class Codes: A63B 60/54 with means for damping vibrations

Abstract

The present invention intends to prevent deviation and gap from being generated in a joining section of a golf club in which a head main body 10A and a surface material 10B are integrated by joining together and provide a high quality golf club head having an improved durability and manufacturing method thereof. In the golf club head in which the head main body 10A and the surface material 10B are joined together such that they are integral, a groove 18 is provided in a joining section between the both members and joint material 19 composed of fiber reinforced resin material is embedded in that groove. Consequently, the joining strength is intensified.

Claims

1. A wood-type golf club head comprising:

a sole;

a striking plate;

a side section extending rearward of the striking plate and having toe, rear, and heel regions;

a top portion having an upper opening formed therein;

a shoulder disposed around a periphery of the upper opening;

a ledge extending from the shoulder towards a center portion of the upper opening;

a crown coupled to the ledge and having a side edge, wherein the side edge of the crown is disposed proximate to the shoulder; and

a veil disposed between the side edge of the crown and the shoulder.

2. The golf club head of claim 1, wherein at least one of the side edge of the crown and the shoulder are tapered.

3. The golf club head of claim 1, wherein both the side edge of the crown and the shoulder are tapered.

4. The golf club head of claim 3, wherein the side edge of the crown and the shoulder define an angle greater than about 90 degrees and less than about 180 degrees.

5. The golf club head of claim 1, wherein the veil is comprised of a composite material.

6. The golf club head of claim 1, wherein the crown is comprised of a first material and the veil is comprised of a second material.

7. The golf club head of claim 6, wherein the first material is carbon fiber and the second material is glass.

8. The golf club head of claim 1, wherein the crown and the veil are comprised of the same material.

9. The golf club head of claim 1, wherein the veil covers an entire side edge of the crown.

10. A wood-type golf club head comprising:

a sole;

a striking plate;

a side section extending rearward of the striking plate and having toe, rear, and heel regions;

a top portion having an upper opening formed therein;

a shoulder disposed around a periphery of the upper opening;

a ledge extending from the shoulder towards a center portion of the upper opening;

a crown coupled to the ledge and having a side edge, wherein the side edge of the crown is disposed proximate to the shoulder, thereby forming an obtuse depression therebetween; and

a means for filling at least a portion of the obtuse depression and preventing cracking and peeling of a club head surface layer.