Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 14, 2009
Patent Application Number
11309070
Date Filed
June 15, 2006
Patent Primary Examiner
Patent abstract
A powder feeding apparatus of manufacturing a heat pipe includes a vibration tray having a supporting board and a plurality of pipes positioned in the supporting board of the tray. A mandrel is coaxially inserted in each of the pipes. A feeder is located corresponding to an end of each pipe for feeding powder into the pipe. A vibration source is located under the tray to drive the tray to vibrate with substantially a same amplitude in a vibration direction when feeding the powder into the pipes from the feeder.
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