Expendable casting core for a cylinder

Details Expendable casting core for a cylinder Expendable casting core for a cylinder

1989-07-11

1990-07-24

Seidel, Richard K.

Metal founding

Means to shape metallic material

United particle type shaping surface

B22C 910, B22C 924

Patent

active

049429175

ABSTRACT:
The hollow frusto-conical expendable core is used for forming a jacket around a cylinder in a casting die for forming a cylinder block. The core has a printout portion comprising an inwardly extending annular flange connected to the narrower end of the frusto-cone by circumferentially spaced axially extending legs. The core may comprise a plurality of frusto-cones for a corresponding plurality of cylinders in an engine block with their axes parallel in a common plane with the annular flanges of their printout portions integrally connected for strengthening the multi-cylinder jacket core.

REFERENCES:
patent: 455143 (1891-06-01), Adams
patent: 1758488 (1930-05-01), Weil
patent: 2783510 (1957-03-01), Dolza et al.
patent: 3264693 (1966-08-01), Flitz
patent: 3756309 (1973-09-01), Nishiyama et al.

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