Process for producing a hollow cast product

Details Process for producing a hollow cast product Process for producing a hollow cast product

1979-05-24

1982-10-05

Spruill, R. L.

Metal founding

Process

Shaping liquid metal against a forming surface

249 59, 249183, B22D 2900

Patent

active

043523870

ABSTRACT:
A process for producing a hollow cast product in which a hollow flexible mandrel is placed into the crucible of a mold with one end of the mandrel extending out of the mold, molten metal is introduced into the mold crucible and left to solidify in the crucible and the mandrel is removed from the mold to thereby form a hollow cast product having a bore which has the smooth or concavo-convex peripheral surface and is straight, bent or meandering.

REFERENCES:
patent: 2045556 (1936-06-01), Almen
patent: 2480899 (1949-09-01), Bond
patent: 3814565 (1974-06-01), Cahour et al.

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