Solder coating apparatus

Details Solder coating apparatus Solder coating apparatus

1988-08-31

1989-08-22

Hoag, Willard

Coating apparatus

Solid applicator contacting work

With work-handling or work-supporting

118 74, 118227, 118241, 118249, B05C 102, B05C 108

Patent

active

048585548

ABSTRACT:
A soldering machine for simultaneously applying liquid solder to opposite sides of the leads of a lead frame having I.C. devices thereon. The machine has sidewardly spaced rolls which define a vertically extending narrow nip therebetween through which the lead frame passes. A solder bath is disposed below the rolls so that the lower portions of the rolls dip into the bath and carry a solder film to the nip for application to opposite sides of the leads. A passage extends upwardly in isolation from the bath for permitting the lead frame to be fed vertically through the nip.

REFERENCES:
patent: 1654214 (1927-12-01), Evans
patent: 1707611 (1929-04-01), Hamburger et al.
patent: 1788610 (1931-01-01), Ashworth et al.
patent: 2588967 (1952-03-01), Davis
patent: 2935963 (1960-05-01), Aamot
patent: 3006318 (1961-10-01), Monroe, Jr. et al.
patent: 3882816 (1975-05-01), Booz et al.
patent: 3958039 (1976-05-01), Yabuki et al.
patent: 4594962 (1986-06-01), Focke
patent: 4799450 (1989-01-01), Cornellier

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