Casting and method of making such casting

Details Casting and method of making such casting Casting and method of making such casting

2006-08-08

2006-08-08

Lin, Kuang Y. (Department: 1725)

Metal founding

Process

Shaping liquid metal against a forming surface

C164S098000, C164S112000

Reexamination Certificate

active

07086448

ABSTRACT:
A method of making a casting having a cast portion and a cap nut includes forming a hole with a stepped shape in the cap nut to have a large-diameter hole on an opening side and a threaded small-diameter hole on a bottom side, inserting a fixing member into the large-diameter hole, supporting the fixing member in a sand mold, pouring a casting material into the sand mold so that the cap nut is enveloped in the cast portion and that a first surface of the cap nut adjacent to the hole is exposed outside without being covered with a second surface of the cast portion, and removing the fixing member from the cap nut after the casting is taken out of the sand mold.

REFERENCES:
patent: 5697420 (1997-12-01), Mori et al.
patent: 2005/0217819 (2005-10-01), Miyake et al.
patent: 2 691 656 (1993-12-01), None
patent: 2002-192326 (2002-07-01), None

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