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:
Apr. 03, 1990
Filed:
Jan. 18, 1989
Applicant:
Inventor:
Kenshi Kondo, Tokyo, JP;
Assignee:
Nihon Den-Netsu Keiki Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
228 47 ; 228 57 ; 2281801 ; 295663 ;
Abstract
A device for correcting warp of printed circuit boards in carrierless soldering apparatus wherein the printed circuit boards are soldered while being held by holding claws of a conveying means is disclosed, which comprises a sliding means involving a single or plural warp-correcting means, sliding plates for installing the warp-correcting means thereon, and a single or plural pairs of slide beds provided in parallel to the direction of movement of the printed circuit boards, and a driving means for reciprocating the slide means in parallel to the direction of movement of the printed circuit boards.