Metal fusion bonding – Metallic heat applicator – With means to handle flux or filler
Patent
1975-05-02
1976-06-29
Smith, Al Lawrence
Metal fusion bonding
Metallic heat applicator
With means to handle flux or filler
B23K 306
Patent
active
039661091
ABSTRACT:
A feeding device for solder in string form is equipped to advance a measured length of that string, when a finger clamp is actuated by a hand pulled two-arm lever. The finger clamp is pivoted and spring loaded on the free end of this lever; it clamps the solder string against a fixed lug of the hand lever, while the string is being pushed through a protective tube toward a soldering spot by a lever stroke. The stroke is halted by a stop. When the lever is released by hand, a return spring pulls the free lever end back toward a reel of rolled-up string. Meanwhile a finger of the finger clamp is sliding back along the string without gripping it, as the backward stroke of the hand lever takes the finger lock out of contact with the string. The Soldering Aid enables the solderer to use his free hand to pull in and hold wires in a compact electronic device. Without this aid, the same hand would be busy to feed solder at the risk of heating and damaging capacitors, thin plastic insulation or frame walls. Any type of solder, including silver solder with a flux core, may be used.
REFERENCES:
patent: 3707258 (1972-12-01), Schlitt
Joyce Margaret
Smith Al Lawrence
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