Metal working – Method of mechanical manufacture – Shaping one-piece blank by removing material
Reexamination Certificate
2005-06-14
2005-06-14
Bryant, David P. (Department: 3726)
Metal working
Method of mechanical manufacture
Shaping one-piece blank by removing material
C473S342000
Reexamination Certificate
active
06904663
ABSTRACT:
A method of manufacturing a face plate for a golf club head is presented to provide face having substantial thickness variation for enhanced performance. The method includes the steps of providing a rolled sheet of metal material having an initial thickness and forming a blank having a prescribed outer shape from the material. The method also includes machining a second side of the blank such that the resulting face plate has a variable thickness. The machining is such that the plate has a first thickness less than or equal to the initial thickness, a second thickness less than the first thickness and a third thickness less than the second thickness. The machining is performed over a substantial portion of the surface area of the second side. Either a CNC lathe or milling machine may be used; however, for an axisymmetric face thickness a CNC lathe is preferred and for an asymmetric face thickness a CNC end mill is preferred. The club head may be a wood-type or iron, and titanium or steel alloys may be used.
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Beach Todd P.
Hoffman Joseph H.
Kraus Stephen A.
Willett Kraig A.
Bryant David P.
Sheppard Mullin Richter & Hampton LLP
Taylor Made Golf Company Inc.
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