Method of cooling piston blank molds

Details Method of cooling piston blank molds Method of cooling piston blank molds

Filed on

1975-04-08

Date issued

1976-12-07

Examiner

Husar, Francis S.

Patent Class

Metal founding

SubClass

Process

SubSubClass

Shaping liquid metal against a forming surface

Other Related Categories

164348, B22D 2704

Type

Patent

Status

active

Patent number

039956806

Description

ABSTRACT:
Chill mold for casting piston blanks, e.g. for internal combustion engines, from metals such as aluminum alloys, includes a steel cylinder, an inner core for reproducing the inner contours of a piston, and a spray ring which surrounds the cylinder. The spray ring delivers cooling water to the exterior of the cylinder which flows down forming a water curtain around the cylinder.

REFERENCES:
patent: 3448790 (1969-06-01), Maskall

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