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:
Sep. 12, 2000
Filed:
Jan. 14, 1998
Applicant:
Inventor:
Toshimitsu Katoh, Yokohama, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K / ; B23K / ; B23K / ; B67D / ;
U.S. Cl.
CPC ...
228 42 ; 228 37 ; 228219 ; 22-3 ; 22-4 ;
Abstract
A gas flow controlling device including a housing having a gas inlet and a gas outlet and defining therewithin a gas flow passage diverging in the direction from the inlet to the outlet so that the cross-sectional area of the gas flow passage increases from the inlet to the outlet, and a plurality of spaced apart baffle plates provided in the gas flow passage to render the gas flow passage meandering. An apparatus for soldering an article, including a wave-soldering zone for contacting the article with a solder wave, and one or more above-mentioned gas flow controlling devices for establishing an inert gas atmosphere in the soldering zone.