Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Naruhiro Mizutani0
Date of Patent
May 26, 2015
0Patent Application Number
133279870
Date Filed
December 16, 2011
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A head 1 is provided with a head body h1 and an adherend s1. The adherend s1 has a cast resin 53 formed by casting, a metal part 51, and a vibration absorber 55. The cast resin 53 has a formed surface formed by the metal part 51. The cast resin 53 further may have a formed surface formed by the vibration absorber 55. A base material of the cast resin 53 is an epoxy resin, for example. The cast resin 53 may have a cutting surface PL1. The cutting surface PL1 may be a joint surface of the adherend to the head body h1. Preferably, a loss tangent tan δ of the vibration absorber 55 is 0.07 or greater and 0.25 or less.
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