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:
Sep. 07, 2004

Filed:

Aug. 13, 2001
Applicant:
Inventors:

Yukio Yamaoka, Osaka, JP;

Byungro Park, Kyoungnam, KR;

Dongsu Hwang, Kyoungnam, KR;

Assignee:

Kiswel Ltd., Changwon, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 3/502 ;
U.S. Cl.
CPC ...
B23K 3/502 ;
Abstract

The invention an arc welding solid wire whose surface comprises copper plated film, wherein the elastic limit ratio (elastic limit/tensile strength) of the wire finally produced is controlled in the range between 50 and 88% by installing three to eight elastic limit ratio control vertical rollers and three to eight elastic limit ratio control transverse rollers which have a ratio D/d equal to 40 to 60, following coil control vertical and transverse rollers after final drawing.


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