Static molds – Including means to adjust mold volume during molding
Patent
1979-01-15
1981-05-26
Baldwin, Robert D.
Static molds
Including means to adjust mold volume during molding
249163, 249165, 249168, 249174, B22D 708
Patent
active
042693853
ABSTRACT:
A sectional ingot mold formed of a plurality of side wall sections which when assembled define at least the side periphery of a mold cavity, with means coacting on the side wall sections for coupling the wall sections together into an integral unitary ingot mold; said means, providing for automatic compensation for expansion and retraction of the mold assembly sections when molten metal is poured into the ingot mold by providing for expeditious expansion of the mold assembly sections with respect to one another while aiding in sealing the mold sections from leakage of molten metal during the pouring and cooling of the ingot in the mold. In certain embodiments, yieldable gasket material is disposed between the wall sections at their junctions for aiding in preventing leakage of molten metal from the ingot mold assembly during pouring and solidification of an ingot in the mold. The interior surface of each mold section may be sinuous for aiding in stress relief of the formed ingot while aiding in reducing external skin cracks of the ingot or leakage of molten metal from the mold and/or the interior of the newly formed ingot.
REFERENCES:
patent: 354742 (1886-12-01), Sabold
patent: 1438677 (1922-12-01), Weymerskirch
patent: 1491881 (1924-04-01), Perry
patent: 2028243 (1936-01-01), Perry et al.
patent: 2071906 (1937-02-01), Stevens
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