US 6,607,623 B2Granted

Method of manufacturing a composite golf club head

AssigneeCallaway Golf Company

InventorsJames M. Murphy, Herbert Reyes, J. Andrew Galloway, D. Clayton Evans, Richard C. Helmstetter, Daniel R. Jacobson, Steven M. Ehlers, Matthew T. Cackett, Robert S. Gonczi

Life of this patent

Estimating the term…

patentgrep

Loading patent…

Abstract

A method for manufacturing a golf club head with a face component composed of a plurality of plies of pre-preg material and having a striking plate portion with a thickness in the range of 0.010 to 0.250 inches is disclosed herein. The golf club also has a crown component composed of a plurality of plies of pre-preg material and a sole component composed of a plurality of plies of pre-preg material. The golf club head is manufactured using a bladder compression molding process.

Claims5

Dependent claims

A method for producing a golf club head composed of plies of pre-preg sheets, the method comprising:

creating a face component composed of plies of pre-preg sheets, the face component having a striking plate portion and a return portion;
creating a crown component composed of plies of pre-preg sheets;
creating a sole component composed of plies of pre-preg sheets, the sole component having a ribbon and a bottom portion;
assembling the face component, the crown component and the sole component to create an assembled unit with an inflatable bladder within a hollow interior of the assembled unit;
pre-compacting the assembled unit to create a pre-compacted unit;
and
bladder molding the pre-compacted unit to create a molded golf club head.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application: 09/947,279Filed 5 Sep 2001 · continuation in part
Priority: 23 Oct 1997
Published: US 2002/0049097 A125 Apr 2002
Granted: 19 Aug 2003
Term ends: Not estimatedThe source records don’t support an estimate.

Classification18 codes

A63B 53/04
Golf clubs: heads
A63B 53/0466
Heads: wood-type
A63B 60/00
Details or accessories of golf clubs, bats, rackets or the like
B29C 70/342
And shaping or impregnating by compression , i.e. combined with compressing after the lay-up operation: using isostatic pressure

Family

Application08/958,723Parent of this continuation-in-part · filed 23 Oct 1997
Application09/474,670Parent of this continuation · filed 29 Dec 1999
Application09/877,652Parent of this continuation-in-part · filed 8 Jun 2001
US 2002/0049097 A1Pre-grant publication · published 25 Apr 2002
US 6,440,008 B2Parent of this continuation-in-part
Application09/877,652Parent of this continuation
US 6,248,025 B1Parent of this continuation
Application09/474,670Parent of this continuation-in-part
US 6,010,411 AParent of this continuation-in-part
US 2001/0029210 A1Published application
US 6,607,623 B2This patent

From the US filing history. Foreign family members aren’t listed.