Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Masaya Suwa0
Masanori Ueda0
Date of Patent
September 15, 2009
Patent Application Number
11789676
Date Filed
April 25, 2007
Patent Primary Examiner
Patent abstract
A mold used to manufacture, through metal mold casting, a damper that is fixed onto a housing in a disc drive and reduces a vibration of the housing, the disc drive recording information in and reproducing information from a recording medium. The mold includes a sectionally concave body that defines a shape of the damper, a first gate that introduces molten metal to the body from a runner, and is provided on a first side opposite to a concave of the body, and a second gate that introduces the molten metal to an overflow well from the body, and is provided at least one of a second side perpendicular to the first side, and a third side perpendicular to the second side and parallel to the first side.
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