Stock material or miscellaneous articles – All metal or with adjacent metals – Mass of only fibers
Patent
1977-11-08
1979-08-14
Lanham, C. W.
Stock material or miscellaneous articles
All metal or with adjacent metals
Mass of only fibers
228264, 228 19, 29460, 428566, B23K 100
Patent
active
041646061
ABSTRACT:
A device for removing a solder alloy from a solid soldered joint comprising a multiplicity of metallic strands formed into an elongated wick operable to effect the solder removal through the application of an end portion thereof to the joint in heat exchange relation to a heat source so that when the solder alloy is rendered molten by the heat source it will flow by capillary action from the joint into the applied end portion of the wick, the improved step of each metallic strand of the wick having its exterior surface coated with solidified solder alloy having a melting point substantially below the melting point of tin prior to being formed into the wick so that when the end portion thereof is applied to the joint in heat exchange relation with the heat source as aforesaid the solid solder alloy of the coating on the strands of the applied end portion when rendered molten by the heat source mixes with the molten solder alloy from the joint flowing by capillary action into the applied end portion of the wick, and an improved wick formed by the method.
REFERENCES:
patent: 1731218 (1929-10-01), Adams
patent: 2332726 (1943-10-01), Joyce, Jr.
patent: 3627191 (1971-12-01), Hood, Jr.
patent: 3715797 (1973-02-01), Jackson et al.
patent: 3753278 (1973-08-01), Hamaguchi et al.
Soldering Manual American Welding Society, 1954, pp. 57-58.
R. Poliak and L. Rausch "Solder Wick" IBM Technical Disclosure Bulletin, vol. 13, No. 2, Jul. 1970, p. 445.
Solok Lead Frame Terminals DuPont Electric Products Publication A-78361, Nov. 1971.
Lanham C. W.
Ramsey K. J.
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