Mass soldering machines

Claim 2

In a mass soldering machine adapted to use a solder and oil intermix in the soldering contact or to use solder alone in the soldering contact and having a unit sump, vertical nozzle and exterior sluices and a circulating pump, said unit and pump being submerged in a main reservoir containing a bottom layer of solder with a layer of oil floating on said solder, said layer of oil and solder being adapted to supply said pump with oil and solder, said sluices being adapted to collect the overflow from both sides of said vertical nozzle, a supplementary oil reservoir containing blanketing oil, positioned adjacent to and above said unit and adapted to deposit oil on the top of said overflow from said nozzle after soldering contact.

Claim 3

A soldering machine as specified in cLaim 1 in which said oil supply from said top layer of floating oil in said main reservoir is adapted to be regulated from shutoff to flooding.

Claim 4

A soldering machine as specified in claim 1 in which said blanketing oil supply in said supplementary oil reservoir is adapted to be regulated from shutoff to flooding.

Claim 5

In a mass soldering machine producing a vertical wave with a horizontal crest, a combination sump, vertical nozzle, exterior overflow sluice areas and a circulating pump partially submerged in a main reservoir containing a layer of oil floating on a layer of solder, means for feeding and regulating the flow of oil from said main reservoir into said pump, means for collecting the overflow of said solder from said nozzle in designated sluice areas, means for feeding and depositing a regulated amount of blanketing oil on the upper surfaces of said overflow in said areas after the soldering contact is completed and means for returning said blanketing oil from said collecting areas to said floating layer of oil in said main reservoir, said return means comprising the drawing down in said sluice areas of the light blanketing oil by the flow of the heavy solder from the top surface of the solder in said areas after the soldering contact has been made to the bottom of said sluices and out into the solder in said main reservoir from which said light oil rises to the top of said floating layer of oil in said main reservoir.

Claim 6

In a mass soldering machine producing a vertical wave with a horizontal crest, a combination sump, vertical nozzle, exterior overflow sluice areas and a circulating pump partially submerged in a main reservoir containing a layer of oil floating on a layer of solder, means for feeding and regulating the flow of oil from said main reservoir into said pump, means for collecting the overflow of said solder from said nozzle in designated sluice areas, means for feeding and depositing a regulated amount of blanketing oil on the upper surfaces of said overflow in said areas after the soldering contact is completed and means for returning said blanketing oil from said collecting areas to said floating layer of oil in said main reservoir, said return means comprising the drawing down in said sluice areas of the light blanketing oil by the flow of the heavy solder from the top surface of the solder in said areas after the soldering contact has been made to the bottom of said sluices and out into the solder in said main reservoir from which said light oil rises to the top of said floating layer of oil in said main reservoir.