GOLF CLUB HEAD
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United States of America Patent
Stats
-
N/A
Issued Date -
Mar 29, 2012
app pub date -
Sep 23, 2010
filing date -
Sep 23, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A golf club head includes: a back portion; and a front striking portion connected to the back portion and having a thickness ranging from 1.0 mm to 4.2 mm. The front striking portion includes a striking front face plate that has a characteristic time ranging from 220 μ sec-257 μsec. The front striking portion is made by rolling a titanium-based alloy and the titanium-based alloy has a density ranging from 4.35 g/cm3 to 4.36 g/cm3, a tensile strength ranging from 130 ksi to 146 ksi, a yield strength ranging from 120 ksi to 132 ksi, and a Young's modulus ranging from 120 Gpa to 135 Gpa. A total volume of the back and front striking portions ranges from 300 cc to 460 cc, and a total weight of the back and front striking portions ranges from 170 grams to 220 grams.
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