SOLDERING APPARATUS

摘要

Appts. for soldering a printing circuit board comprises a vessel for contg. molten solder, an upwardly extending riser in communication with the vessel and having several ports for overflowing molten solder arranged along the riser so as to be transversely of the transfer path of a printed circuit board. The ports are movable so that the board is contacted with a progressive wave of molten solder overflowing from the moving parts.