Composite ferrous castings

Stock material or miscellaneous articles – All metal or with adjacent metals – Workpiece with longitudinal passageway or stopweld material

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428614, 428677, 428682, B21D 5102

Patent

active

047496240

ABSTRACT:
Cast iron selected from the group consisting of white iron, compacted graphite iron, malleable iron, gray iron, and ductile iron is cast in a mold in which steel or metal, such as a tube defines a portion of the mold form.

REFERENCES:
patent: 1729848 (1929-10-01), Walker
patent: 3170452 (1965-02-01), Dobovan
patent: 4008052 (1977-02-01), Vishnevsky et al.
patent: 4209058 (1980-06-01), Spalding

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