Suction type de-soldering tool

Details Suction type de-soldering tool Suction type de-soldering tool

1979-10-22

1982-03-09

Widenfeld, Gil

Metal fusion bonding

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

By fluid blast or suction

B23K 300

Patent

active

043185045

ABSTRACT:
A hand-held, trigger-actuated tool heats solder to be removed from a workpiece and draws the melted solder into the distal tip of the tool by vacuum. From the tip, the molten solder is drawn into a relatively large diameter, thin-walled, extended tube in which the solder hardens into pellets which may be removed as required by removing a plug in a chamber at the near end of the tube. A solenoid in the handle of the tool operates a plunger in a cylinder which communicates with the top of the chamber through a duct. The plunger has a one-way valve in its head which has a sealing disk which "floats" in the head, and on the return stroke of the plunger permits air trapped in the cylinder head to escape.

REFERENCES:
patent: 1379492 (1921-05-01), Wagner
patent: 2960591 (1960-11-01), Brillinger
patent: 3024343 (1962-03-01), Siwakowski
patent: 3171374 (1965-03-01), Frenzel
patent: 3224378 (1965-12-01), Graham
patent: 3245598 (1966-04-01), Kopernak
patent: 3443733 (1969-05-01), Parente
patent: 3842240 (1974-10-01), Wakita et al.
patent: 4193160 (1980-03-01), Vandermark
patent: 4206864 (1980-06-01), Rauchwerger

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