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.

Date of Patent:
Jul. 30, 2013

Filed:

May. 08, 2012
Applicants:

Deuk Man Kim, Daejeon, KR;

Hyun Je Cho, Daejeon, KR;

Seok MO Choi, Daejeon, KR;

Cheon Woo Kim, Daejeon, KR;

Tae Won Hwang, Daejeon, KR;

Inventors:

Deuk Man Kim, Daejeon, KR;

Hyun Je Cho, Daejeon, KR;

Seok Mo Choi, Daejeon, KR;

Cheon Woo Kim, Daejeon, KR;

Tae Won Hwang, Daejeon, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 6/34 (2006.01); H05B 6/22 (2006.01); C03B 5/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

A melting furnace includes a gas supplying unit configured to protrude inwardly of the melting furnace to supply a gas to the melting furnace, the gas supplying unit including a gas supplying pipe configured to penetrate the melting furnace to protrude inwardly of the melting furnace and configured to have a nozzle hole formed at a front end thereof; and a cooling passage pipe provided outside the gas supplying pipe to include a second cooling passage through which a cooling liquid flows, the second cooling passage being directly connected to a first cooling passage through which the cooling liquid is circulated along a wall of the melting furnace.


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