Desoldering apparatus

Details Desoldering apparatus Desoldering apparatus

1988-07-25

1989-12-19

Godici, Nicholas P.

Metal fusion bonding

With means to remove, compact, or shape applied flux or filler

By fluid blast or suction

B23K 300

Patent

active

048877590

ABSTRACT:
Apparatus for desoldering, characterized by its suction and pressure effects being achieved by the stroking of a piston in an air cylinder. In the preferred embodiment, the suction effect for drawing in melted solder is forced by a spring, with venting of the pressure previously existing; and the pressure effect for ejecting the melted solder is by the reverse direction stroke of the piston, which not only causes the piston-stroke to pressurize the control tube but to impart energy to the spring for its subsequent suction-stroke operativity. The pressurizing and venting of the air cylinder are controlled by valving which controls the air cylinder's venting and connection to an associated source of air pressure; and the components provide the way by which the advantageous speed differential is obtained as to the suction and ejection effects, the suction being relatively slow for easy and assurance of solder pick-up, but the ejector effect being relatively fast, for sureness of ejection of the solder at the discharge station.

REFERENCES:
patent: 3172382 (1965-03-01), Weglin
patent: 3842240 (1974-10-01), Wakita et al.
patent: 4292706 (1981-10-01), Fortune
patent: 4318504 (1982-03-01), Rauchwerger
patent: 4660249 (1987-04-01), Popovic

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