Method for sealing a heat pipe
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United States of America Patent
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-
Dec 23, 2008
Grant Date -
Apr 5, 2007
app pub date -
May 16, 2006
filing date -
Sep 30, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for sealing a heat pipe, includes the steps of: providing a metallic pipe with an end sealed and an opposite open portion; pressing the open portion of the pipe to form a two layer portion by using two pairs of pressing molds; welding an end part of the two layer portion to form a sealing structure, during which at least one pair of pressing molds continues pressing the two layer portion; and moving the at least one pair of pressing molds away from the sealing structure.
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