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.:
Date of Patent:
Jan. 10, 2012
Filed:
Feb. 06, 2006
Applicants:
Mitsuo Zen, Souka, JP;
Satoshi Ozawa, Chiba, JP;
Inventors:
Mitsuo Zen, Souka, JP;
Satoshi Ozawa, Chiba, JP;
Assignee:
Senju Metal Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 31/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a conventional wave soldering bath, molten solder spouted from a second discharge nozzle did not have a uniform height, oxides were spouted from the nozzle opening and adhered to printed circuit boards, and constituent parts of the wave soldering bath were eroded. In a wave soldering bath according to the present invention, a cylinder is disposed at one end of a duct, a spiral pump is installed in the cylinder, and the width of a nozzle opening is made narrower than the width of the duct.