The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7404255 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 29, 2008

Filed:

Jan. 05, 2005
Applicant:

Jia-hao LI, Kao Hsiung Hsien, TW;

Inventor:

Jia-Hao Li, Kao Hsiung Hsien, TW;

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23P 6/00 (2006.01); B23P 15/26 (2006.01); B23K 31/00 (2006.01); F28D 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An apparatus and a method for removing non-condensing gas in heat pipe are disclosed, In this method, a resilient pad is abutted against an opening of a pipe body of the heat pipe after a working fluid is filled into the heat pipe. The heat pipe is then heated to remove the non-condensing gas by pressure difference.


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