Investment moulding process and apparatus

Details Investment moulding process and apparatus Investment moulding process and apparatus

2006-04-25

2006-04-25

Tran, Len (Department: 1725)

Metal founding

Process

Shaping a forming surface

C164S361000

Reexamination Certificate

active

07032648

ABSTRACT:
An investment mould process for forming a cast member is described. The process comprises forming a precursor casting (12) from a master mould (10). The master mould (10) has an internal surface (16) defining a space (14) in which the precursor casting (12) can be formed. The surface (16) defines a location indentation (20) to provide a corresponding location projection (3) on the precursor casting (12). A holding member (22) can be inserted into the location projection (3) to hold an internal member (17A,17B).

REFERENCES:
patent: 5234047 (1993-08-01), Rose
patent: 5623985 (1997-04-01), Wheaton et al.

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