Method of and apparatus for casting pipe

Details Method of and apparatus for casting pipe Method of and apparatus for casting pipe

1996-08-13

1998-01-27

Lin, Kuang Y.

Metal founding

Process

Shaping liquid metal against a forming surface

164137, 164312, 164340, 164120, B22D 1708

Patent

active

057113645

ABSTRACT:
A method of casting a pipe having an axially elongate hole of which a front end is closed, comprises the steps of positioning a rod-like center pin for forming the blind hole in a predetermined positional relation to cavity defining surfaces of a die cavity, supporting the positioned center pin sidewise with a support pin to prevent positional deviation of the center pin, charging molten metal into the die cavity, retreating the support pin apart from the center pin, and replenishing a space formed by the retreat of the support pin with molten metal.

REFERENCES:
patent: 3991811 (1976-11-01), Diez et al.
patent: 4240498 (1980-12-01), Frenette

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