Appeal 2007-1676
Application 10/439,183
INTRODUCTION
The claims are directed to a golf club head. Claims 1 and 11 are
illustrative:
1. A golf club head comprising:
a metal head body defining a hollow portion and an opening portion,
the metal head body comprising a sole portion and a back portion; and
a metal piece joined to the opening portion,
wherein the metal piece includes tungsten alloy, and
the following compositions based on the total weight of the metal
piece:
tungsten in a range of 28wt% - 32wt%;
iron in a range of 45wt% - 49wt%;
nickel in a range of 15wt% - 17wt%; and copper in a range of lwt% -
3wt%; and
wherein the sum of amount of tungsten, iron, nickel and copper in the
metal piece is in a range of 93wt% to 98wt%,
wherein the metal head body is made of stainless steel, and
wherein the metal piece is directly welded to the metal head body and
wherein the metal piece extends generally from a vicinity of a central
portion of the sole portion or from a vicinity of a rear of a center of
the sole portion or from a vicinity of the metal head body that is
rearward of the sole portion to a side wall of a back portion of the
metal head body.
2
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Last modified: September 9, 2013