Metal fusion bonding – Including means to apply flux or filler to work or applicator
Patent
1997-04-07
1999-09-21
Heinrich, Samuel M.
Metal fusion bonding
Including means to apply flux or filler to work or applicator
228 443, 228 50, 249108, 249 95, 249 97, 266167, B23K 2300
Patent
active
059542616
ABSTRACT:
A mold for joining conductors such as stranded cable to each other and to other elements such as a ground rod is formed of two or more parts. The mold formed by the parts includes a weld chamber. Exothermic welding material in a crucible above forms molten metal which drops into the weld chamber through a tap hole. The mold includes sleeving passages extending upwardly at an angle from horizontal to exit the mold well above the level of molten metal forming the weld. The sleeving passages extending upwardly at an angle from the weld chamber, or as a V with two symmetrical passages, are preferably larger than normal passages and accordingly will accommodate a wide variety of cable sizes without interference with or abrasion of the sleeving passages. This enables one mold to accommodate more sizes, avoids the use of packing, adapter sleeves or shims, and maintains the weld chamber well vented. For a two, three or more cable connection, the mold system results in a two, three or more dimension V connection, joined at the crotch by the weld metal.
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Erico International Corporation
Heinrich Samuel M.
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