Metal fusion bonding – With means to remove – compact – or shape applied flux or filler – By fluid blast or suction
Patent
1975-08-04
1976-09-14
Smith, Al Lawrence
Metal fusion bonding
With means to remove, compact, or shape applied flux or filler
By fluid blast or suction
15395, 13762568, 1376275, 228 57, B23K 300
Patent
active
039802183
ABSTRACT:
A hand held, vacuum operated desoldering tool and a holder fixture therefor is disclosed in which the desoldering tool has a tubular, barrel body with a nozzle tip forward end and a vacuum line attachment fitting at its opposite, rear end. A trigger is disposed in a trigger housing formed contiguously to the rear end for connecting the vacuum line to the interior of the barrel body and forward tip end of the tool. Thus when the trigger is actuated by the fingertip of the operator, the body is evacuated and an impulse of air is drawn thereinto through the forward nozzle tip of the tool for a desoldering operation. A baffle and filter are disposed within the tubular body to prevent solder and other particles from entering the trigger mechanism and the vacuum supply line.
Another component of the combination disclosed is a tool holder and power tip cleaner for the desoldering tool. The tool holder includes a short, large diameter cylindrical body which carries a power piston. The piston, in turn, carries a centrally axially disposed tip cleaning rod. When the tip end of the desoldering tool is nested within the tool holder and its trigger actuated, the power piston is drawn toward the desoldering tool with the tip cleaning rod pushing through the nozzle in a bore cleaning action. When the trigger is released, atmospheric pressure and a piston return spring force the power piston and its cleaning rod to withdraw away from the desoldering tool nozzle.
REFERENCES:
patent: 3549078 (1970-12-01), Fortune
patent: 3563273 (1971-02-01), Mills
patent: 3842240 (1974-10-01), Wakita et al.
Anderson Daniel T.
Ramsey K. J.
Smith Al Lawrence
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