Process for casting pipe with transversal hole, and casting die

Details Process for casting pipe with transversal hole, and casting die Process for casting pipe with transversal hole, and casting die

1996-11-05

1998-05-12

Lin, Kuang Y.

Metal founding

Process

Shaping liquid metal against a forming surface

164137, 164312, B22D 1710

Patent

active

057494100

ABSTRACT:
A process for casting a pipe such as a delivery pipe with transversal holes, the pipe having an elongate longitudinal hole and at least one pair of transversal holes communicating with the longitudinal hole in a substantially normal direction thereto. The process comprises the steps of positioning a rod-like center pin for forming the longitudinal hole in a predetermined positional relation to a cavity formation surface of a casting die, positioning a pair of mandrel pins for forming the pair of transversal holes such that end faces thereof are in contact with side surfaces of the center pin, and charging molten metal into a die cavity after the center pin and the pair of mandrel pins have been positioned. The molten metal is charged under the condition that the center pin is prevented from deforming by the pair of mandrel pins.

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