Intake or exhaust port molding core structure

Details Intake or exhaust port molding core structure Intake or exhaust port molding core structure

2006-12-05

2006-12-05

Tran, Len (Department: 1725)

Metal founding

Means to shape metallic material

United particle type shaping surface

Reexamination Certificate

active

07143808

ABSTRACT:
An intake or exhaust port molding core of a cylinder head includes a plurality of protruders on the core to form a plurality of depressed grooves in the intake or exhaust port during casting of the cylinder head. The disposition and orientation of the intake or exhaust port formed inside the cylinder head can then be easily and precisely measured via the depressed grooves.

REFERENCES:
patent: 5260116 (1993-11-01), Hamanaka et al.
patent: 2003/0150431 (2003-08-01), Oota
patent: 26 17 938 (1976-04-01), None
patent: 2003-035197 (2000-02-01), None

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