Single use welding mold and method

Details Single use welding mold and method Single use welding mold and method

1996-11-20

1998-02-10

Batten, Jr., J. Reed

Metal founding

Process

Shaping liquid metal against a forming surface

249 97, B23K 2300

Patent

active

057158860

ABSTRACT:
The mold includes a refractory body forming a weld chamber. Exothermic welding material in a crucible above forms molten metal which drops into the weld chamber through a tap hole or open top. The mold includes sleeving passages formed by projecting metal guide tubes extending upwardly at an angle from horizontal to a position above the level of molten metal forming the weld. In this manner, the molten metal is contained within the weld cavity of the mold without packing, adapter sleeves or shims. The guides extend upwardly at an angle from the weld chamber, or as a V with two symmetrical guides. The inside diameters of the guides are larger than normal passages and accordingly 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. The mold weld chamber may contain an opening which is closed by an object such as the rod, frame or laminate to which the conductors are welded.

REFERENCES:
patent: 3782677 (1974-01-01), Gelfand
patent: 5582228 (1996-12-01), Stidham et al.

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