Core and method for casting cylinder head with exhaust port

Details Core and method for casting cylinder head with exhaust port Core and method for casting cylinder head with exhaust port

1976-08-05

1978-03-07

Baldwin, Robert D.

Metal founding

Process

Shaping a forming surface

60282, 164 9, 164369, B22D 1900, B22D 2500, B22C 910

Patent

active

040774589

ABSTRACT:
A segmented port liner is disposed about a precured inner casting core. Pre-cured casting cores are fixed onto the surface of the liner. If desired, another segmented liner may be disposed thereabout and similarly covered with the pre-cured casting cores. The above combination serves an exhaust passage casting core.

REFERENCES:
patent: 1170180 (1916-02-01), O'Dowd
patent: 2065287 (1936-12-01), Nutt
patent: 3868990 (1975-03-01), Grawey
patent: 3994270 (1976-11-01), Nakano et al.
patent: 4031699 (1977-06-01), Suga et al.

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